diff options
Diffstat (limited to 'Documentation')
170 files changed, 7364 insertions, 6066 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-mei b/Documentation/ABI/testing/sysfs-bus-mei new file mode 100644 index 000000000000..2066f0bbd453 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-mei @@ -0,0 +1,7 @@ +What: /sys/bus/mei/devices/.../modalias +Date: March 2013 +KernelVersion: 3.10 +Contact: Samuel Ortiz <sameo@linux.intel.com> + linux-mei@linux.intel.com +Description: Stores the same MODALIAS value emitted by uevent + Format: mei:<mei device name> diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb index c8baaf53594a..f093e59cbe5f 100644 --- a/Documentation/ABI/testing/sysfs-bus-usb +++ b/Documentation/ABI/testing/sysfs-bus-usb @@ -32,7 +32,7 @@ Date: January 2008 KernelVersion: 2.6.25 Contact: Sarah Sharp <sarah.a.sharp@intel.com> Description: - If CONFIG_PM and CONFIG_USB_SUSPEND are enabled, then this file + If CONFIG_PM_RUNTIME is enabled then this file is present. When read, it returns the total time (in msec) that the USB device has been connected to the machine. This file is read-only. @@ -45,7 +45,7 @@ Date: January 2008 KernelVersion: 2.6.25 Contact: Sarah Sharp <sarah.a.sharp@intel.com> Description: - If CONFIG_PM and CONFIG_USB_SUSPEND are enabled, then this file + If CONFIG_PM_RUNTIME is enabled then this file is present. When read, it returns the total time (in msec) that the USB device has been active, i.e. not in a suspended state. This file is read-only. @@ -187,7 +187,7 @@ What: /sys/bus/usb/devices/.../power/usb2_hardware_lpm Date: September 2011 Contact: Andiry Xu <andiry.xu@amd.com> Description: - If CONFIG_USB_SUSPEND is set and a USB 2.0 lpm-capable device + If CONFIG_PM_RUNTIME is set and a USB 2.0 lpm-capable device is plugged in to a xHCI host which support link PM, it will perform a LPM test; if the test is passed and host supports USB2 hardware LPM (xHCI 1.0 feature), USB2 hardware LPM will diff --git a/Documentation/ABI/testing/sysfs-class-net-mesh b/Documentation/ABI/testing/sysfs-class-net-mesh index bc41da61608d..bdcd8b4e38f2 100644 --- a/Documentation/ABI/testing/sysfs-class-net-mesh +++ b/Documentation/ABI/testing/sysfs-class-net-mesh @@ -67,6 +67,14 @@ Description: Defines the penalty which will be applied to an originator message's tq-field on every hop. +What: /sys/class/net/<mesh_iface>/mesh/network_coding +Date: Nov 2012 +Contact: Martin Hundeboll <martin@hundeboll.net> +Description: + Controls whether Network Coding (using some magic + to send fewer wifi packets but still the same + content) is enabled or not. + What: /sys/class/net/<mesh_iface>/mesh/orig_interval Date: May 2010 Contact: Marek Lindner <lindner_marek@yahoo.de> diff --git a/Documentation/ABI/testing/sysfs-devices-lpss_ltr b/Documentation/ABI/testing/sysfs-devices-lpss_ltr new file mode 100644 index 000000000000..ea9298d9bbaf --- /dev/null +++ b/Documentation/ABI/testing/sysfs-devices-lpss_ltr @@ -0,0 +1,44 @@ +What: /sys/devices/.../lpss_ltr/ +Date: March 2013 +Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com> +Description: + The /sys/devices/.../lpss_ltr/ directory is only present for + devices included into the Intel Lynxpoint Low Power Subsystem + (LPSS). If present, it contains attributes containing the LTR + mode and the values of LTR registers of the device. + +What: /sys/devices/.../lpss_ltr/ltr_mode +Date: March 2013 +Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com> +Description: + The /sys/devices/.../lpss_ltr/ltr_mode attribute contains an + integer number (0 or 1) indicating whether or not the devices' + LTR functionality is working in the software mode (1). + + This attribute is read-only. If the device's runtime PM status + is not "active", attempts to read from this attribute cause + -EAGAIN to be returned. + +What: /sys/devices/.../lpss_ltr/auto_ltr +Date: March 2013 +Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com> +Description: + The /sys/devices/.../lpss_ltr/auto_ltr attribute contains the + current value of the device's AUTO_LTR register (raw) + represented as an 8-digit hexadecimal number. + + This attribute is read-only. If the device's runtime PM status + is not "active", attempts to read from this attribute cause + -EAGAIN to be returned. + +What: /sys/devices/.../lpss_ltr/sw_ltr +Date: March 2013 +Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com> +Description: + The /sys/devices/.../lpss_ltr/auto_ltr attribute contains the + current value of the device's SW_LTR register (raw) represented + as an 8-digit hexadecimal number. + + This attribute is read-only. If the device's runtime PM status + is not "active", attempts to read from this attribute cause + -EAGAIN to be returned. diff --git a/Documentation/ABI/testing/sysfs-devices-power_resources_wakeup b/Documentation/ABI/testing/sysfs-devices-power_resources_wakeup new file mode 100644 index 000000000000..e0588feeb6e1 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-devices-power_resources_wakeup @@ -0,0 +1,13 @@ +What: /sys/devices/.../power_resources_wakeup/ +Date: April 2013 +Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com> +Description: + The /sys/devices/.../power_resources_wakeup/ directory is only + present for device objects representing ACPI device nodes that + require ACPI power resources for wakeup signaling. + + If present, it contains symbolic links to device directories + representing ACPI power resources that need to be turned on for + the given device node to be able to signal wakeup. The names of + the links are the same as the names of the directories they + point to. diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 9c978dcae07d..2447698aed41 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -173,3 +173,15 @@ Description: Processor frequency boosting control Boosting allows the CPU and the firmware to run at a frequency beyound it's nominal limit. More details can be found in Documentation/cpu-freq/boost.txt + + +What: /sys/devices/system/cpu/cpu#/crash_notes + /sys/devices/system/cpu/cpu#/crash_notes_size +Date: April 2013 +Contact: kexec@lists.infradead.org +Description: address and size of the percpu note. + + crash_notes: the physical address of the memory that holds the + note of cpu#. + + crash_notes_size: size of the note of cpu#. diff --git a/Documentation/ABI/testing/sysfs-driver-hid-roccat-isku b/Documentation/ABI/testing/sysfs-driver-hid-roccat-isku index 9eca5a182e64..c601d0f2ac46 100644 --- a/Documentation/ABI/testing/sysfs-driver-hid-roccat-isku +++ b/Documentation/ABI/testing/sysfs-driver-hid-roccat-isku @@ -101,7 +101,8 @@ Date: June 2011 Contact: Stefan Achatz <erazor_de@users.sourceforge.net> Description: When written, this file lets one set the backlight intensity for a specific profile. Profile number is included in written data. - The data has to be 10 bytes long. + The data has to be 10 bytes long for Isku, IskuFX needs 16 bytes + of data. Before reading this file, control has to be written to select which profile to read. Users: http://roccat.sourceforge.net @@ -141,3 +142,12 @@ Description: When written, this file lets one trigger easyshift functionality The data has to be 16 bytes long. This file is writeonly. Users: http://roccat.sourceforge.net + +What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/isku/roccatisku<minor>/talkfx +Date: February 2013 +Contact: Stefan Achatz <erazor_de@users.sourceforge.net> +Description: When written, this file lets one trigger temporary color schemes + from the host. + The data has to be 16 bytes long. + This file is writeonly. +Users: http://roccat.sourceforge.net diff --git a/Documentation/ABI/testing/sysfs-driver-hid-roccat-konepure b/Documentation/ABI/testing/sysfs-driver-hid-roccat-konepure new file mode 100644 index 000000000000..41a9b7fbfc79 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-hid-roccat-konepure @@ -0,0 +1,105 @@ +What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/actual_profile +Date: December 2012 +Contact: Stefan Achatz <erazor_de@users.sourceforge.net> +Description: The mouse can store 5 profiles which can be switched by the + press of a button. actual_profile holds number of actual profile. + This value is persistent, so its value determines the profile + that's active when the mouse is powered on next time. + When written, the mouse activates the set profile immediately. + The data has to be 3 bytes long. + The mouse will reject invalid data. +Users: http://roccat.sourceforge.net + +What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/control +Date: December 2012 +Contact: Stefan Achatz <erazor_de@users.sourceforge.net> +Description: When written, this file lets one select which data from which + profile will be read next. The data has to be 3 bytes long. + This file is writeonly. +Users: http://roccat.sourceforge.net + +What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/info +Date: December 2012 +Contact: Stefan Achatz <erazor_de@users.sourceforge.net> +Description: When read, this file returns general data like firmware version. + When written, the device can be reset. + The data is 6 bytes long. +Users: http://roccat.sourceforge.net + +What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/macro +Date: December 2012 +Contact: Stefan Achatz <erazor_de@users.sourceforge.net> +Description: The mouse can store a macro with max 500 key/button strokes + internally. + When written, this file lets one set the sequence for a specific + button for a specific profile. Button and profile numbers are + included in written data. The data has to be 2082 bytes long. + This file is writeonly. +Users: http://roccat.sourceforge.net + +What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/profile_buttons +Date: December 2012 +Contact: Stefan Achatz <erazor_de@users.sourceforge.net> +Description: The mouse can store 5 profiles which can be switched by the + press of a button. A profile is split in settings and buttons. + profile_buttons holds information about button layout. + When written, this file lets one write the respective profile + buttons back to the mouse. The data has to be 59 bytes long. + The mouse will reject invalid data. + Which profile to write is determined by the profile number + contained in the data. + Before reading this file, control has to be written to select + which profile to read. +Users: http://roccat.sourceforge.net + +What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/profile_settings +Date: December 2012 +Contact: Stefan Achatz <erazor_de@users.sourceforge.net> +Description: The mouse can store 5 profiles which can be switched by the + press of a button. A profile is split in settings and buttons. + profile_settings holds information like resolution, sensitivity + and light effects. + When written, this file lets one write the respective profile + settings back to the mouse. The data has to be 31 bytes long. + The mouse will reject invalid data. + Which profile to write is determined by the profile number + contained in the data. + Before reading this file, control has to be written to select + which profile to read. +Users: http://roccat.sourceforge.net + +What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/sensor +Date: December 2012 +Contact: Stefan Achatz <erazor_de@users.sourceforge.net> +Description: The mouse has a tracking- and a distance-control-unit. These + can be activated/deactivated and the lift-off distance can be + set. The data has to be 6 bytes long. + This file is writeonly. +Users: http://roccat.sourceforge.net + +What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/talk +Date: December 2012 +Contact: Stefan Achatz <erazor_de@users.sourceforge.net> +Description: Used to active some easy* functions of the mouse from outside. + The data has to be 16 bytes long. + This file is writeonly. +Users: http://roccat.sourceforge.net + +What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/tcu +Date: December 2012 +Contact: Stefan Achatz <erazor_de@users.sourceforge.net> +Description: When written a calibration process for the tracking control unit + can be initiated/cancelled. Also lets one read/write sensor + registers. + The data has to be 4 bytes long. +Users: http://roccat.sourceforge.net + +What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/konepure/roccatkonepure<minor>/tcu_image +Date: December 2012 +Contact: Stefan Achatz <erazor_de@users.sourceforge.net> +Description: When read the mouse returns a 30x30 pixel image of the + sampled underground. This works only in the course of a + calibration process initiated with tcu. + The returned data is 1028 bytes in size. + This file is readonly. +Users: http://roccat.sourceforge.net diff --git a/Documentation/ABI/testing/sysfs-firmware-acpi b/Documentation/ABI/testing/sysfs-firmware-acpi index dd930c8db41f..ce9bee98b43b 100644 --- a/Documentation/ABI/testing/sysfs-firmware-acpi +++ b/Documentation/ABI/testing/sysfs-firmware-acpi @@ -18,6 +18,32 @@ Description: yoffset: The number of pixels between the top of the screen and the top edge of the image. +What: /sys/firmware/acpi/hotplug/ +Date: February 2013 +Contact: Rafael J. Wysocki <rafael.j.wysocki@intel.com> +Description: + There are separate hotplug profiles for different classes of + devices supported by ACPI, such as containers, memory modules, + processors, PCI root bridges etc. A hotplug profile for a given + class of devices is a collection of settings defining the way + that class of devices will be handled by the ACPI core hotplug + code. Those profiles are represented in sysfs as subdirectories + of /sys/firmware/acpi/hotplug/. + + The following setting is available to user space for each + hotplug profile: + + enabled: If set, the ACPI core will handle notifications of + hotplug events associated with the given class of + devices and will allow those devices to be ejected with + the help of the _EJ0 control method. Unsetting it + effectively disables hotplug for the correspoinding + class of devices. + + The value of the above attribute is an integer number: 1 (set) + or 0 (unset). Attempts to write any other values to it will + cause -EINVAL to be returned. + What: /sys/firmware/acpi/interrupts/ Date: February 2008 Contact: Len Brown <lenb@kernel.org> diff --git a/Documentation/DocBook/80211.tmpl b/Documentation/DocBook/80211.tmpl index 284ced7a228f..0f6a3edcd44b 100644 --- a/Documentation/DocBook/80211.tmpl +++ b/Documentation/DocBook/80211.tmpl @@ -437,7 +437,7 @@ </section> !Finclude/net/mac80211.h ieee80211_get_buffered_bc !Finclude/net/mac80211.h ieee80211_beacon_get -!Finclude/net/mac80211.h ieee80211_sta_eosp_irqsafe +!Finclude/net/mac80211.h ieee80211_sta_eosp !Finclude/net/mac80211.h ieee80211_frame_release_type !Finclude/net/mac80211.h ieee80211_sta_ps_transition !Finclude/net/mac80211.h ieee80211_sta_ps_transition_ni diff --git a/Documentation/DocBook/media/dvb/dvbproperty.xml b/Documentation/DocBook/media/dvb/dvbproperty.xml index 4a5eaeed0b9e..a9b15e34c5b2 100644 --- a/Documentation/DocBook/media/dvb/dvbproperty.xml +++ b/Documentation/DocBook/media/dvb/dvbproperty.xml @@ -1,6 +1,6 @@ <section id="FE_GET_SET_PROPERTY"> <title><constant>FE_GET_PROPERTY/FE_SET_PROPERTY</constant></title> -<para>This section describes the DVB version 5 extention of the DVB-API, also +<para>This section describes the DVB version 5 extension of the DVB-API, also called "S2API", as this API were added to provide support for DVB-S2. It was designed to be able to replace the old frontend API. Yet, the DISEQC and the capability ioctls weren't implemented yet via the new way.</para> @@ -903,14 +903,12 @@ enum fe_interleaving { <constant>svalue</constant> is for signed values of the measure (dB measures) and <constant>uvalue</constant> is for unsigned values (counters, relative scale)</para></listitem> <listitem><para><constant>scale</constant> - Scale for the value. It can be:</para> - <section id = "fecap-scale-params"> - <itemizedlist mark='bullet'> + <itemizedlist mark='bullet' id="fecap-scale-params"> <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - The parameter is supported by the frontend, but it was not possible to collect it (could be a transitory or permanent condition)</para></listitem> <listitem><para><constant>FE_SCALE_DECIBEL</constant> - parameter is a signed value, measured in 1/1000 dB</para></listitem> <listitem><para><constant>FE_SCALE_RELATIVE</constant> - parameter is a unsigned value, where 0 means 0% and 65535 means 100%.</para></listitem> <listitem><para><constant>FE_SCALE_COUNTER</constant> - parameter is a unsigned value that counts the occurrence of an event, like bit error, block error, or lapsed time.</para></listitem> </itemizedlist> - </section> </listitem> </itemizedlist> <section id="DTV-STAT-SIGNAL-STRENGTH"> @@ -918,9 +916,9 @@ enum fe_interleaving { <para>Indicates the signal strength level at the analog part of the tuner or of the demod.</para> <para>Possible scales for this metric are:</para> <itemizedlist mark='bullet'> - <listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem> - <listitem><constant>FE_SCALE_DECIBEL</constant> - signal strength is in 0.0001 dBm units, power measured in miliwatts. This value is generally negative.</listitem> - <listitem><constant>FE_SCALE_RELATIVE</constant> - The frontend provides a 0% to 100% measurement for power (actually, 0 to 65535).</listitem> + <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> + <listitem><para><constant>FE_SCALE_DECIBEL</constant> - signal strength is in 0.0001 dBm units, power measured in miliwatts. This value is generally negative.</para></listitem> + <listitem><para><constant>FE_SCALE_RELATIVE</constant> - The frontend provides a 0% to 100% measurement for power (actually, 0 to 65535).</para></listitem> </itemizedlist> </section> <section id="DTV-STAT-CNR"> @@ -928,9 +926,9 @@ enum fe_interleaving { <para>Indicates the Signal to Noise ratio for the main carrier.</para> <para>Possible scales for this metric are:</para> <itemizedlist mark='bullet'> - <listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem> - <listitem><constant>FE_SCALE_DECIBEL</constant> - Signal/Noise ratio is in 0.0001 dB units.</listitem> - <listitem><constant>FE_SCALE_RELATIVE</constant> - The frontend provides a 0% to 100% measurement for Signal/Noise (actually, 0 to 65535).</listitem> + <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> + <listitem><para><constant>FE_SCALE_DECIBEL</constant> - Signal/Noise ratio is in 0.0001 dB units.</para></listitem> + <listitem><para><constant>FE_SCALE_RELATIVE</constant> - The frontend provides a 0% to 100% measurement for Signal/Noise (actually, 0 to 65535).</para></listitem> </itemizedlist> </section> <section id="DTV-STAT-PRE-ERROR-BIT-COUNT"> @@ -943,8 +941,8 @@ enum fe_interleaving { The frontend may reset it when a channel/transponder is tuned.</para> <para>Possible scales for this metric are:</para> <itemizedlist mark='bullet'> - <listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem> - <listitem><constant>FE_SCALE_COUNTER</constant> - Number of error bits counted before the inner coding.</listitem> + <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> + <listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of error bits counted before the inner coding.</para></listitem> </itemizedlist> </section> <section id="DTV-STAT-PRE-TOTAL-BIT-COUNT"> @@ -952,14 +950,14 @@ enum fe_interleaving { <para>Measures the amount of bits received before the inner code block, during the same period as <link linkend="DTV-STAT-PRE-ERROR-BIT-COUNT"><constant>DTV_STAT_PRE_ERROR_BIT_COUNT</constant></link> measurement was taken.</para> <para>It should be noticed that this measurement can be smaller than the total amount of bits on the transport stream, - as the frontend may need to manually restart the measurement, loosing some data between each measurement interval.</para> + as the frontend may need to manually restart the measurement, losing some data between each measurement interval.</para> <para>This measurement is monotonically increased, as the frontend gets more bit count measurements. The frontend may reset it when a channel/transponder is tuned.</para> <para>Possible scales for this metric are:</para> <itemizedlist mark='bullet'> - <listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem> - <listitem><constant>FE_SCALE_COUNTER</constant> - Number of bits counted while measuring - <link linkend="DTV-STAT-PRE-ERROR-BIT-COUNT"><constant>DTV_STAT_PRE_ERROR_BIT_COUNT</constant></link>.</listitem> + <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> + <listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of bits counted while measuring + <link linkend="DTV-STAT-PRE-ERROR-BIT-COUNT"><constant>DTV_STAT_PRE_ERROR_BIT_COUNT</constant></link>.</para></listitem> </itemizedlist> </section> <section id="DTV-STAT-POST-ERROR-BIT-COUNT"> @@ -972,8 +970,8 @@ enum fe_interleaving { The frontend may reset it when a channel/transponder is tuned.</para> <para>Possible scales for this metric are:</para> <itemizedlist mark='bullet'> - <listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem> - <listitem><constant>FE_SCALE_COUNTER</constant> - Number of error bits counted after the inner coding.</listitem> + <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> + <listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of error bits counted after the inner coding.</para></listitem> </itemizedlist> </section> <section id="DTV-STAT-POST-TOTAL-BIT-COUNT"> @@ -981,14 +979,14 @@ enum fe_interleaving { <para>Measures the amount of bits received after the inner coding, during the same period as <link linkend="DTV-STAT-POST-ERROR-BIT-COUNT"><constant>DTV_STAT_POST_ERROR_BIT_COUNT</constant></link> measurement was taken.</para> <para>It should be noticed that this measurement can be smaller than the total amount of bits on the transport stream, - as the frontend may need to manually restart the measurement, loosing some data between each measurement interval.</para> + as the frontend may need to manually restart the measurement, losing some data between each measurement interval.</para> <para>This measurement is monotonically increased, as the frontend gets more bit count measurements. The frontend may reset it when a channel/transponder is tuned.</para> <para>Possible scales for this metric are:</para> <itemizedlist mark='bullet'> - <listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem> - <listitem><constant>FE_SCALE_COUNTER</constant> - Number of bits counted while measuring - <link linkend="DTV-STAT-POST-ERROR-BIT-COUNT"><constant>DTV_STAT_POST_ERROR_BIT_COUNT</constant></link>.</listitem> + <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> + <listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of bits counted while measuring + <link linkend="DTV-STAT-POST-ERROR-BIT-COUNT"><constant>DTV_STAT_POST_ERROR_BIT_COUNT</constant></link>.</para></listitem> </itemizedlist> </section> <section id="DTV-STAT-ERROR-BLOCK-COUNT"> @@ -998,8 +996,8 @@ enum fe_interleaving { The frontend may reset it when a channel/transponder is tuned.</para> <para>Possible scales for this metric are:</para> <itemizedlist mark='bullet'> - <listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem> - <listitem><constant>FE_SCALE_COUNTER</constant> - Number of error blocks counted after the outer coding.</listitem> + <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> + <listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of error blocks counted after the outer coding.</para></listitem> </itemizedlist> </section> <section id="DTV-STAT-TOTAL-BLOCK-COUNT"> @@ -1011,9 +1009,9 @@ enum fe_interleaving { by <link linkend="DTV-STAT-TOTAL-BLOCK-COUNT"><constant>DTV-STAT-TOTAL-BLOCK-COUNT</constant></link>.</para> <para>Possible scales for this metric are:</para> <itemizedlist mark='bullet'> - <listitem><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</listitem> - <listitem><constant>FE_SCALE_COUNTER</constant> - Number of blocks counted while measuring - <link linkend="DTV-STAT-ERROR-BLOCK-COUNT"><constant>DTV_STAT_ERROR_BLOCK_COUNT</constant></link>.</listitem> + <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> + <listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of blocks counted while measuring + <link linkend="DTV-STAT-ERROR-BLOCK-COUNT"><constant>DTV_STAT_ERROR_BLOCK_COUNT</constant></link>.</para></listitem> </itemizedlist> </section> </section> diff --git a/Documentation/DocBook/media/v4l/common.xml b/Documentation/DocBook/media/v4l/common.xml index ae06afbbb3a9..1ddf354aa997 100644 --- a/Documentation/DocBook/media/v4l/common.xml +++ b/Documentation/DocBook/media/v4l/common.xml @@ -750,15 +750,6 @@ header can be used to get the timings of the formats in the <xref linkend="cea86 <xref linkend="vesadmt" /> standards. </para> </listitem> - <listitem> - <para>DV Presets: Digital Video (DV) presets (<emphasis role="bold">deprecated</emphasis>). - These are IDs representing a -video timing at the input/output. Presets are pre-defined timings implemented -by the hardware according to video standards. A __u32 data type is used to represent -a preset unlike the bit mask that is used in &v4l2-std-id; allowing future extensions -to support as many different presets as needed. This API is deprecated in favor of the DV Timings -API.</para> - </listitem> </itemizedlist> <para>To enumerate and query the attributes of the DV timings supported by a device, applications use the &VIDIOC-ENUM-DV-TIMINGS; and &VIDIOC-DV-TIMINGS-CAP; ioctls. @@ -766,11 +757,6 @@ API.</para> &VIDIOC-S-DV-TIMINGS; ioctl and to get current DV timings they use the &VIDIOC-G-DV-TIMINGS; ioctl. To detect the DV timings as seen by the video receiver applications use the &VIDIOC-QUERY-DV-TIMINGS; ioctl.</para> - <para>To enumerate and query the attributes of DV presets supported by a device, -applications use the &VIDIOC-ENUM-DV-PRESETS; ioctl. To get the current DV preset, -applications use the &VIDIOC-G-DV-PRESET; ioctl and to set a preset they use the -&VIDIOC-S-DV-PRESET; ioctl. To detect the preset as seen by the video receiver applications -use the &VIDIOC-QUERY-DV-PRESET; ioctl.</para> <para>Applications can make use of the <xref linkend="input-capabilities" /> and <xref linkend="output-capabilities"/> flags to decide what ioctls are available to set the video timings for the device.</para> diff --git a/Documentation/DocBook/media/v4l/compat.xml b/Documentation/DocBook/media/v4l/compat.xml index 104a1a2b8849..f43542ae2981 100644 --- a/Documentation/DocBook/media/v4l/compat.xml +++ b/Documentation/DocBook/media/v4l/compat.xml @@ -2310,6 +2310,9 @@ more information.</para> <listitem> <para>Added FM Modulator (FM TX) Extended Control Class: <constant>V4L2_CTRL_CLASS_FM_TX</constant> and their Control IDs.</para> </listitem> +<listitem> + <para>Added FM Receiver (FM RX) Extended Control Class: <constant>V4L2_CTRL_CLASS_FM_RX</constant> and their Control IDs.</para> + </listitem> <listitem> <para>Added Remote Controller chapter, describing the default Remote Controller mapping for media devices.</para> </listitem> @@ -2493,6 +2496,23 @@ that used it. It was originally scheduled for removal in 2.6.35. </orderedlist> </section> + <section> + <title>V4L2 in Linux 3.10</title> + <orderedlist> + <listitem> + <para>Removed obsolete and unused DV_PRESET ioctls + VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET, VIDIOC_QUERY_DV_PRESET and + VIDIOC_ENUM_DV_PRESET. Remove the related v4l2_input/output capability + flags V4L2_IN_CAP_PRESETS and V4L2_OUT_CAP_PRESETS. + </para> + </listitem> + <listitem> + <para>Added new debugging ioctl &VIDIOC-DBG-G-CHIP-INFO;. + </para> + </listitem> + </orderedlist> + </section> + <section id="other"> <title>Relation of V4L2 to other Linux multimedia APIs</title> @@ -2625,8 +2645,8 @@ interfaces and should not be implemented in new drivers.</para> <xref linkend="extended-controls" />.</para> </listitem> <listitem> - <para>&VIDIOC-G-DV-PRESET;, &VIDIOC-S-DV-PRESET;, &VIDIOC-ENUM-DV-PRESETS; and - &VIDIOC-QUERY-DV-PRESET; ioctls. Use the DV Timings API (<xref linkend="dv-timings" />).</para> + <para>VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET, VIDIOC_ENUM_DV_PRESETS and + VIDIOC_QUERY_DV_PRESET ioctls. Use the DV Timings API (<xref linkend="dv-timings" />).</para> </listitem> <listitem> <para><constant>VIDIOC_SUBDEV_G_CROP</constant> and diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index 9e8f85498678..8d7a77928d49 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -2300,6 +2300,12 @@ Possible values are:</entry> </row> <row><entry></entry></row> <row> + <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER</constant> </entry> + <entry>boolean</entry> + </row><row><entry spanname="descr">Repeat the video sequence headers. Repeating these +headers makes random access to the video stream easier. Applicable to the MPEG1, 2 and 4 encoder.</entry> + </row> + <row> <entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER</constant> </entry> <entry>boolean</entry> </row><row><entry spanname="descr">Enabled the deblocking post processing filter for MPEG4 decoder. @@ -3136,6 +3142,13 @@ giving priority to the center of the metered area.</entry> <entry><constant>V4L2_EXPOSURE_METERING_SPOT</constant> </entry> <entry>Measure only very small area at the center of the frame.</entry> </row> + <row> + <entry><constant>V4L2_EXPOSURE_METERING_MATRIX</constant> </entry> + <entry>A multi-zone metering. The light intensity is measured +in several points of the frame and the the results are combined. The +algorithm of the zones selection and their significance in calculating the +final value is device dependant.</entry> + </row> </tbody> </entrytbl> </row> @@ -3848,7 +3861,7 @@ in Hz. The range and step are driver-specific.</entry> </row> <row> <entry spanname="id"><constant>V4L2_CID_TUNE_PREEMPHASIS</constant> </entry> - <entry>integer</entry> + <entry>enum v4l2_preemphasis</entry> </row> <row id="v4l2-preemphasis"><entry spanname="descr">Configures the pre-emphasis value for broadcasting. A pre-emphasis filter is applied to the broadcast to accentuate the high audio frequencies. @@ -4687,4 +4700,76 @@ interface and may change in the future.</para> </table> </section> + + <section id="fm-rx-controls"> + <title>FM Receiver Control Reference</title> + + <para>The FM Receiver (FM_RX) class includes controls for common features of + FM Reception capable devices.</para> + + <table pgwide="1" frame="none" id="fm-rx-control-id"> + <title>FM_RX Control IDs</title> + + <tgroup cols="4"> + <colspec colname="c1" colwidth="1*" /> + <colspec colname="c2" colwidth="6*" /> + <colspec colname="c3" colwidth="2*" /> + <colspec colname="c4" colwidth="6*" /> + <spanspec namest="c1" nameend="c2" spanname="id" /> + <spanspec namest="c2" nameend="c4" spanname="descr" /> + <thead> + <row> + <entry spanname="id" align="left">ID</entry> + <entry align="left">Type</entry> + </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry> + </row> + </thead> + <tbody valign="top"> + <row><entry></entry></row> + <row> + <entry spanname="id"><constant>V4L2_CID_FM_RX_CLASS</constant> </entry> + <entry>class</entry> + </row><row><entry spanname="descr">The FM_RX class +descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a +description of this control class.</entry> + </row> + <row> + <entry spanname="id"><constant>V4L2_CID_RDS_RECEPTION</constant> </entry> + <entry>boolean</entry> + </row><row><entry spanname="descr">Enables/disables RDS + reception by the radio tuner</entry> + </row> + <row> + <entry spanname="id"><constant>V4L2_CID_TUNE_DEEMPHASIS</constant> </entry> + <entry>enum v4l2_deemphasis</entry> + </row> + <row id="v4l2-deemphasis"><entry spanname="descr">Configures the de-emphasis value for reception. +A de-emphasis filter is applied to the broadcast to accentuate the high audio frequencies. +Depending on the region, a time constant of either 50 or 75 useconds is used. The enum v4l2_deemphasis +defines possible values for de-emphasis. Here they are:</entry> + </row><row> + <entrytbl spanname="descr" cols="2"> + <tbody valign="top"> + <row> + <entry><constant>V4L2_DEEMPHASIS_DISABLED</constant> </entry> + <entry>No de-emphasis is applied.</entry> + </row> + <row> + <entry><constant>V4L2_DEEMPHASIS_50_uS</constant> </entry> + <entry>A de-emphasis of 50 uS is used.</entry> + </row> + <row> + <entry><constant>V4L2_DEEMPHASIS_75_uS</constant> </entry> + <entry>A de-emphasis of 75 uS is used.</entry> + </row> + </tbody> + </entrytbl> + + </row> + <row><entry></entry></row> + </tbody> + </tgroup> + </table> + + </section> </section> diff --git a/Documentation/DocBook/media/v4l/io.xml b/Documentation/DocBook/media/v4l/io.xml index e6c58559ca6b..2c4c068dde83 100644 --- a/Documentation/DocBook/media/v4l/io.xml +++ b/Documentation/DocBook/media/v4l/io.xml @@ -1145,6 +1145,12 @@ in which case caches have not been used.</entry> same clock outside V4L2, use <function>clock_gettime(2)</function> .</entry> </row> + <row> + <entry><constant>V4L2_BUF_FLAG_TIMESTAMP_COPY</constant></entry> + <entry>0x4000</entry> + <entry>The CAPTURE buffer timestamp has been taken from the + corresponding OUTPUT buffer. This flag applies only to mem2mem devices.</entry> + </row> </tbody> </tgroup> </table> diff --git a/Documentation/DocBook/media/v4l/media-ioc-enum-entities.xml b/Documentation/DocBook/media/v4l/media-ioc-enum-entities.xml index 576b68b33f2c..116c301656e0 100644 --- a/Documentation/DocBook/media/v4l/media-ioc-enum-entities.xml +++ b/Documentation/DocBook/media/v4l/media-ioc-enum-entities.xml @@ -272,6 +272,16 @@ <entry><constant>MEDIA_ENT_T_V4L2_SUBDEV_LENS</constant></entry> <entry>Lens controller</entry> </row> + <row> + <entry><constant>MEDIA_ENT_T_V4L2_SUBDEV_DECODER</constant></entry> + <entry>Video decoder, the basic function of the video decoder is to + accept analogue video from a wide variety of sources such as + broadcast, DVD players, cameras and video cassette recorders, in + either NTSC, PAL or HD format and still occasionally SECAM, separate + it into its component parts, luminance and chrominance, and output + it in some digital video standard, with appropriate embedded timing + signals.</entry> + </row> </tbody> </tgroup> </table> diff --git a/Documentation/DocBook/media/v4l/subdev-formats.xml b/Documentation/DocBook/media/v4l/subdev-formats.xml index cc51372ed5e0..adc61982df7b 100644 --- a/Documentation/DocBook/media/v4l/subdev-formats.xml +++ b/Documentation/DocBook/media/v4l/subdev-formats.xml @@ -93,19 +93,35 @@ <table pgwide="0" frame="none" id="v4l2-mbus-pixelcode-rgb"> <title>RGB formats</title> - <tgroup cols="11"> + <tgroup cols="27"> <colspec colname="id" align="left" /> <colspec colname="code" align="center"/> <colspec colname="bit" /> - <colspec colnum="4" colname="b07" align="center" /> - <colspec colnum="5" colname="b06" align="center" /> - <colspec colnum="6" colname="b05" align="center" /> - <colspec colnum="7" colname="b04" align="center" /> - <colspec colnum="8" colname="b03" align="center" /> - <colspec colnum="9" colname="b02" align="center" /> - <colspec colnum="10" colname="b01" align="center" /> - <colspec colnum="11" colname="b00" align="center" /> - <spanspec namest="b07" nameend="b00" spanname="b0" /> + <colspec colnum="4" colname="b23" align="center" /> + <colspec colnum="5" colname="b22" align="center" /> + <colspec colnum="6" colname="b21" align="center" /> + <colspec colnum="7" colname="b20" align="center" /> + <colspec colnum="8" colname="b19" align="center" /> + <colspec colnum="9" colname="b18" align="center" /> + <colspec colnum="10" colname="b17" align="center" /> + <colspec colnum="11" colname="b16" align="center" /> + <colspec colnum="12" colname="b15" align="center" /> + <colspec colnum="13" colname="b14" align="center" /> + <colspec colnum="14" colname="b13" align="center" /> + <colspec colnum="15" colname="b12" align="center" /> + <colspec colnum="16" colname="b11" align="center" /> + <colspec colnum="17" colname="b10" align="center" /> + <colspec colnum="18" colname="b09" align="center" /> + <colspec colnum="19" colname="b08" align="center" /> + <colspec colnum="20" colname="b07" align="center" /> + <colspec colnum="21" colname="b06" align="center" /> + <colspec colnum="22" colname="b05" align="center" /> + <colspec colnum="23" colname="b04" align="center" /> + <colspec colnum="24" colname="b03" align="center" /> + <colspec colnum="25" colname="b02" align="center" /> + <colspec colnum="26" colname="b01" align="center" /> + <colspec colnum="27" colname="b00" align="center" /> + <spanspec namest="b23" nameend="b00" spanname="b0" /> <thead> <row> <entry>Identifier</entry> @@ -117,6 +133,22 @@ <entry></entry> <entry></entry> <entry>Bit</entry> + <entry>23</entry> + <entry>22</entry> + <entry>21</entry> + <entry>20</entry> + <entry>19</entry> + <entry>18</entry> + <entry>17</entry> + <entry>16</entry> + <entry>15</entry> + <entry>14</entry> + <entry>13</entry> + <entry>12</entry> + <entry>11</entry> + <entry>10</entry> + <entry>9</entry> + <entry>8</entry> <entry>7</entry> <entry>6</entry> <entry>5</entry> @@ -132,6 +164,7 @@ <entry>V4L2_MBUS_FMT_RGB444_2X8_PADHI_BE</entry> <entry>0x1001</entry> <entry></entry> + &dash-ent-16; <entry>0</entry> <entry>0</entry> <entry>0</entry> @@ -145,6 +178,7 @@ <entry></entry> <entry></entry> <entry></entry> + &dash-ent-16; <entry>g<subscript>3</subscript></entry> <entry>g<subscript>2</subscript></entry> <entry>g<subscript>1</subscript></entry> @@ -158,6 +192,7 @@ <entry>V4L2_MBUS_FMT_RGB444_2X8_PADHI_LE</entry> <entry>0x1002</entry> <entry></entry> + &dash-ent-16; <entry>g<subscript>3</subscript></entry> <entry>g<subscript>2</subscript></entry> <entry>g<subscript>1</subscript></entry> @@ -171,6 +206,7 @@ <entry></entry> <entry></entry> <entry></entry> + &dash-ent-16; <entry>0</entry> <entry>0</entry> <entry>0</entry> @@ -184,6 +220,7 @@ <entry>V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE</entry> <entry>0x1003</entry> <entry></entry> + &dash-ent-16; <entry>0</entry> <entry>r<subscript>4</subscript></entry> <entry>r<subscript>3</subscript></entry> @@ -197,6 +234,7 @@ <entry></entry> <entry></entry> <entry></entry> + &dash-ent-16; <entry>g<subscript>2</subscript></entry> <entry>g<subscript>1</subscript></entry> <entry>g<subscript>0</subscript></entry> @@ -210,6 +248,7 @@ <entry>V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE</entry> <entry>0x1004</entry> <entry></entry> + &dash-ent-16; <entry>g<subscript>2</subscript></entry> <entry>g<subscript>1</subscript></entry> <entry>g<subscript>0</subscript></entry> @@ -223,6 +262,7 @@ <entry></entry> <entry></entry> <entry></entry> + &dash-ent-16; <entry>0</entry> <entry>r<subscript>4</subscript></entry> <entry>r<subscript>3</subscript></entry> @@ -236,6 +276,7 @@ <entry>V4L2_MBUS_FMT_BGR565_2X8_BE</entry> <entry>0x1005</entry> <entry></entry> + &dash-ent-16; <entry>b<subscript>4</subscript></entry> <entry>b<subscript>3</subscript></entry> <entry>b<subscript>2</subscript></entry> @@ -249,6 +290,7 @@ <entry></entry> <entry></entry> <entry></entry> + &dash-ent-16; <entry>g<subscript>2</subscript></entry> <entry>g<subscript>1</subscript></entry> <entry>g<subscript>0</subscript></entry> @@ -262,6 +304,7 @@ <entry>V4L2_MBUS_FMT_BGR565_2X8_LE</entry> <entry>0x1006</entry> <entry></entry> + &dash-ent-16; <entry>g<subscript>2</subscript></entry> <entry>g<subscript>1</subscript></entry> <entry>g<subscript>0</subscript></entry> @@ -275,6 +318,7 @@ <entry></entry> <entry></entry> <entry></entry> + &dash-ent-16; <entry>b<subscript>4</subscript></entry> <entry>b<subscript>3</subscript></entry> <entry>b<subscript>2</subscript></entry> @@ -288,6 +332,7 @@ <entry>V4L2_MBUS_FMT_RGB565_2X8_BE</entry> <entry>0x1007</entry> <entry></entry> + &dash-ent-16; <entry>r<subscript>4</subscript></entry> <entry>r<subscript>3</subscript></entry> <entry>r<subscript>2</subscript></entry> @@ -301,6 +346,7 @@ <entry></entry> <entry></entry> <entry></entry> + &dash-ent-16; <entry>g<subscript>2</subscript></entry> <entry>g<subscript>1</subscript></entry> <entry>g<subscript>0</subscript></entry> @@ -314,6 +360,7 @@ <entry>V4L2_MBUS_FMT_RGB565_2X8_LE</entry> <entry>0x1008</entry> <entry></entry> + &dash-ent-16; <entry>g<subscript>2</subscript></entry> <entry>g<subscript>1</subscript></entry> <entry>g<subscript>0</subscript></entry> @@ -327,6 +374,27 @@ <entry></entry> <entry></entry> <entry></entry> + &dash-ent-16; + <entry>r<subscript>4</subscript></entry> + <entry>r<subscript>3</subscript></entry> + <entry>r<subscript>2</subscript></entry> + <entry>r<subscript>1</subscript></entry> + <entry>r<subscript>0</subscript></entry> + <entry>g<subscript>5</subscript></entry> + <entry>g<subscript>4</subscript></entry> + <entry>g<subscript>3</subscript></entry> + </row> + <row id="V4L2-MBUS-FMT-RGB666-1X18"> + <entry>V4L2_MBUS_FMT_RGB666_1X18</entry> + <entry>0x1009</entry> + <entry></entry> + <entry>-</entry> + <entry>-</entry> + <entry>-</entry> + <entry>-</entry> + <entry>-</entry> + <entry>-</entry> + <entry>r<subscript>5</subscript></entry> <entry>r<subscript>4</subscript></entry> <entry>r<subscript>3</subscript></entry> <entry>r<subscript>2</subscript></entry> @@ -335,6 +403,124 @@ <entry>g<subscript>5</subscript></entry> <entry>g<subscript>4</subscript></entry> <entry>g<subscript>3</subscript></entry> + <entry>g<subscript>2</subscript></entry> + <entry>g<subscript>1</subscript></entry> + <entry>g<subscript>0</subscript></entry> + <entry>b<subscript>5</subscript></entry> + <entry>b<subscript>4</subscript></entry> + <entry>b<subscript>3</subscript></entry> + <entry>b<subscript>2</subscript></entry> + <entry>b<subscript>1</subscript></entry> + <entry>b<subscript>0</subscript></entry> + </row> + <row id="V4L2-MBUS-FMT-RGB888-1X24"> + <entry>V4L2_MBUS_FMT_RGB888_1X24</entry> + <entry>0x100a</entry> + <entry></entry> + <entry>r<subscript>7</subscript></entry> + <entry>r<subscript>6</subscript></entry> + <entry>r<subscript>5</subscript></entry> + <entry>r<subscript>4</subscript></entry> + <entry>r<subscript>3</subscript></entry> + <entry>r<subscript>2</subscript></entry> + <entry>r<subscript>1</subscript></entry> + <entry>r<subscript>0</subscript></entry> + <entry>g<subscript>7</subscript></entry> + <entry>g<subscript>6</subscript></entry> + <entry>g<subscript>5</subscript></entry> + <entry>g<subscript>4</subscript></entry> + <entry>g<subscript>3</subscript></entry> + <entry>g<subscript>2</subscript></entry> + <entry>g<subscript>1</subscript></entry> + <entry>g<subscript>0</subscript></entry> + <entry>b<subscript>7</subscript></entry> + <entry>b<subscript>6</subscript></entry> + <entry>b<subscript>5</subscript></entry> + <entry>b<subscript>4</subscript></entry> + <entry>b<subscript>3</subscript></entry> + <entry>b<subscript>2</subscript></entry> + <entry>b<subscript>1</subscript></entry> + <entry>b<subscript>0</subscript></entry> + </row> + <row id="V4L2-MBUS-FMT-RGB888-2X12-BE"> + <entry>V4L2_MBUS_FMT_RGB888_2X12_BE</entry> + <entry>0x100b</entry> + <entry></entry> + &dash-ent-10; + <entry>-</entry> + <entry>-</entry> + <entry>r<subscript>7</subscript></entry> + <entry>r<subscript>6</subscript></entry> + <entry>r<subscript>5</subscript></entry> + <entry>r<subscript>4</subscript></entry> + <entry>r<subscript>3</subscript></entry> + <entry>r<subscript>2</subscript></entry> + <entry>r<subscript>1</subscript></entry> + <entry>r<subscript>0</subscript></entry> + <entry>g<subscript>7</subscript></entry> + <entry>g<subscript>6</subscript></entry> + <entry>g<subscript>5</subscript></entry> + <entry>g<subscript>4</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry></entry> + &dash-ent-10; + <entry>-</entry> + <entry>-</entry> + <entry>g<subscript>3</subscript></entry> + <entry>g<subscript>2</subscript></entry> + <entry>g<subscript>1</subscript></entry> + <entry>g<subscript>0</subscript></entry> + <entry>b<subscript>7</subscript></entry> + <entry>b<subscript>6</subscript></entry> + <entry>b<subscript>5</subscript></entry> + <entry>b<subscript>4</subscript></entry> + <entry>b<subscript>3</subscript></entry> + <entry>b<subscript>2</subscript></entry> + <entry>b<subscript>1</subscript></entry> + <entry>b<subscript>0</subscript></entry> + </row> + <row id="V4L2-MBUS-FMT-RGB888-2X12-LE"> + <entry>V4L2_MBUS_FMT_RGB888_2X12_LE</entry> + <entry>0x100c</entry> + <entry></entry> + &dash-ent-10; + <entry>-</entry> + <entry>-</entry> + <entry>g<subscript>3</subscript></entry> + <entry>g<subscript>2</subscript></entry> + <entry>g<subscript>1</subscript></entry> + <entry>g<subscript>0</subscript></entry> + <entry>b<subscript>7</subscript></entry> + <entry>b<subscript>6</subscript></entry> + <entry>b<subscript>5</subscript></entry> + <entry>b<subscript>4</subscript></entry> + <entry>b<subscript>3</subscript></entry> + <entry>b<subscript>2</subscript></entry> + <entry>b<subscript>1</subscript></entry> + <entry>b<subscript>0</subscript></entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry></entry> + &dash-ent-10; + <entry>-</entry> + <entry>-</entry> + <entry>r<subscript>7</subscript></entry> + <entry>r<subscript>6</subscript></entry> + <entry>r<subscript>5</subscript></entry> + <entry>r<subscript>4</subscript></entry> + <entry>r<subscript>3</subscript></entry> + <entry>r<subscript>2</subscript></entry> + <entry>r<subscript>1</subscript></entry> + <entry>r<subscript>0</subscript></entry> + <entry>g<subscript>7</subscript></entry> + <entry>g<subscript>6</subscript></entry> + <entry>g<subscript>5</subscript></entry> + <entry>g<subscript>4</subscript></entry> </row> </tbody> </tgroup> diff --git a/Documentation/DocBook/media/v4l/v4l2.xml b/Documentation/DocBook/media/v4l/v4l2.xml index a3cce18384e9..bfc93cdcf696 100644 --- a/Documentation/DocBook/media/v4l/v4l2.xml +++ b/Documentation/DocBook/media/v4l/v4l2.xml @@ -124,6 +124,7 @@ Remote Controller chapter.</contrib> <year>2010</year> <year>2011</year> <year>2012</year> + <year>2013</year> <holder>Bill Dirks, Michael H. Schimek, Hans Verkuil, Martin Rubli, Andy Walls, Muralidharan Karicheri, Mauro Carvalho Chehab, Pawel Osciak</holder> @@ -140,12 +141,22 @@ structs, ioctls) must be noted in more detail in the history chapter applications. --> <revision> + <revnumber>3.10</revnumber> + <date>2013-03-25</date> + <authorinitials>hv</authorinitials> + <revremark>Remove obsolete and unused DV_PRESET ioctls: + VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET, VIDIOC_QUERY_DV_PRESET and + VIDIOC_ENUM_DV_PRESET. Remove the related v4l2_input/output capability + flags V4L2_IN_CAP_PRESETS and V4L2_OUT_CAP_PRESETS. Added VIDIOC_DBG_G_CHIP_INFO. + </revremark> + </revision> + + <revision> <revnumber>3.9</revnumber> <date>2012-12-03</date> <authorinitials>sa, sn</authorinitials> <revremark>Added timestamp types to v4l2_buffer. - Added <constant>V4L2_EVENT_CTRL_CH_RANGE</constant> control - event changes flag, see <xref linkend="changes-flags"/>. + Added V4L2_EVENT_CTRL_CH_RANGE control event changes flag. </revremark> </revision> @@ -537,6 +548,7 @@ and discussions on the V4L mailing list.</revremark> &sub-create-bufs; &sub-cropcap; &sub-dbg-g-chip-ident; + &sub-dbg-g-chip-info; &sub-dbg-g-register; &sub-decoder-cmd; &sub-dqevent; @@ -544,7 +556,6 @@ and discussions on the V4L mailing list.</revremark> &sub-encoder-cmd; &sub-enumaudio; &sub-enumaudioout; - &sub-enum-dv-presets; &sub-enum-dv-timings; &sub-enum-fmt; &sub-enum-framesizes; @@ -558,7 +569,6 @@ and discussions on the V4L mailing list.</revremark> &sub-g-audioout; &sub-g-crop; &sub-g-ctrl; - &sub-g-dv-preset; &sub-g-dv-timings; &sub-g-enc-index; &sub-g-ext-ctrls; @@ -582,7 +592,6 @@ and discussions on the V4L mailing list.</revremark> &sub-querybuf; &sub-querycap; &sub-queryctrl; - &sub-query-dv-preset; &sub-query-dv-timings; &sub-querystd; &sub-reqbufs; diff --git a/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-ident.xml b/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-ident.xml index 4ecd966808de..921e18550d26 100644 --- a/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-ident.xml +++ b/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-ident.xml @@ -200,10 +200,10 @@ the values from <xref linkend="chip-ids" />.</entry> &cs-def; <tbody valign="top"> <row> - <entry><constant>V4L2_CHIP_MATCH_HOST</constant></entry> + <entry><constant>V4L2_CHIP_MATCH_BRIDGE</constant></entry> <entry>0</entry> <entry>Match the nth chip on the card, zero for the - host chip. Does not match &i2c; chips.</entry> + bridge chip. Does not match sub-devices.</entry> </row> <row> <entry><constant>V4L2_CHIP_MATCH_I2C_DRIVER</constant></entry> @@ -220,6 +220,11 @@ the values from <xref linkend="chip-ids" />.</entry> <entry>3</entry> <entry>Match the nth anciliary AC97 chip.</entry> </row> + <row> + <entry><constant>V4L2_CHIP_MATCH_SUBDEV</constant></entry> + <entry>4</entry> + <entry>Match the nth sub-device. Can't be used with this ioctl.</entry> + </row> </tbody> </tgroup> </table> diff --git a/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-info.xml b/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-info.xml new file mode 100644 index 000000000000..e1cece6c5de1 --- /dev/null +++ b/Documentation/DocBook/media/v4l/vidioc-dbg-g-chip-info.xml @@ -0,0 +1,223 @@ +<refentry id="vidioc-dbg-g-chip-info"> + <refmeta> + <refentrytitle>ioctl VIDIOC_DBG_G_CHIP_INFO</refentrytitle> + &manvol; + </refmeta> + + <refnamediv> + <refname>VIDIOC_DBG_G_CHIP_INFO</refname> + <refpurpose>Identify the chips on a TV card</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <funcsynopsis> + <funcprototype> + <funcdef>int <function>ioctl</function></funcdef> + <paramdef>int <parameter>fd</parameter></paramdef> + <paramdef>int <parameter>request</parameter></paramdef> + <paramdef>struct v4l2_dbg_chip_info +*<parameter>argp</parameter></paramdef> + </funcprototype> + </funcsynopsis> + </refsynopsisdiv> + + <refsect1> + <title>Arguments</title> + + <variablelist> + <varlistentry> + <term><parameter>fd</parameter></term> + <listitem> + <para>&fd;</para> + </listitem> + </varlistentry> + <varlistentry> + <term><parameter>request</parameter></term> + <listitem> + <para>VIDIOC_DBG_G_CHIP_INFO</para> + </listitem> + </varlistentry> + <varlistentry> + <term><parameter>argp</parameter></term> + <listitem> + <para></para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>Description</title> + + <note> + <title>Experimental</title> + + <para>This is an <link +linkend="experimental">experimental</link> interface and may change in +the future.</para> + </note> + + <para>For driver debugging purposes this ioctl allows test +applications to query the driver about the chips present on the TV +card. Regular applications must not use it. When you found a chip +specific bug, please contact the linux-media mailing list (&v4l-ml;) +so it can be fixed.</para> + + <para>Additionally the Linux kernel must be compiled with the +<constant>CONFIG_VIDEO_ADV_DEBUG</constant> option to enable this ioctl.</para> + + <para>To query the driver applications must initialize the +<structfield>match.type</structfield> and +<structfield>match.addr</structfield> or <structfield>match.name</structfield> +fields of a &v4l2-dbg-chip-info; +and call <constant>VIDIOC_DBG_G_CHIP_INFO</constant> with a pointer to +this structure. On success the driver stores information about the +selected chip in the <structfield>name</structfield> and +<structfield>flags</structfield> fields. On failure the structure +remains unchanged.</para> + + <para>When <structfield>match.type</structfield> is +<constant>V4L2_CHIP_MATCH_BRIDGE</constant>, +<structfield>match.addr</structfield> selects the nth bridge 'chip' +on the TV card. You can enumerate all chips by starting at zero and +incrementing <structfield>match.addr</structfield> by one until +<constant>VIDIOC_DBG_G_CHIP_INFO</constant> fails with an &EINVAL;. +The number zero always selects the bridge chip itself, ⪚ the chip +connected to the PCI or USB bus. Non-zero numbers identify specific +parts of the bridge chip such as an AC97 register block.</para> + + <para>When <structfield>match.type</structfield> is +<constant>V4L2_CHIP_MATCH_SUBDEV</constant>, +<structfield>match.addr</structfield> selects the nth sub-device. This +allows you to enumerate over all sub-devices.</para> + + <para>On success, the <structfield>name</structfield> field will +contain a chip name and the <structfield>flags</structfield> field will +contain <constant>V4L2_CHIP_FL_READABLE</constant> if the driver supports +reading registers from the device or <constant>V4L2_CHIP_FL_WRITABLE</constant> +if the driver supports writing registers to the device.</para> + + <para>We recommended the <application>v4l2-dbg</application> +utility over calling this ioctl directly. It is available from the +LinuxTV v4l-dvb repository; see <ulink +url="http://linuxtv.org/repo/">http://linuxtv.org/repo/</ulink> for +access instructions.</para> + + <!-- Note for convenience vidioc-dbg-g-register.sgml + contains a duplicate of this table. --> + <table pgwide="1" frame="none" id="name-v4l2-dbg-match"> + <title>struct <structname>v4l2_dbg_match</structname></title> + <tgroup cols="4"> + &cs-ustr; + <tbody valign="top"> + <row> + <entry>__u32</entry> + <entry><structfield>type</structfield></entry> + <entry>See <xref linkend="name-chip-match-types" /> for a list of +possible types.</entry> + </row> + <row> + <entry>union</entry> + <entry>(anonymous)</entry> + </row> + <row> + <entry></entry> + <entry>__u32</entry> + <entry><structfield>addr</structfield></entry> + <entry>Match a chip by this number, interpreted according +to the <structfield>type</structfield> field.</entry> + </row> + <row> + <entry></entry> + <entry>char</entry> + <entry><structfield>name[32]</structfield></entry> + <entry>Match a chip by this name, interpreted according +to the <structfield>type</structfield> field.</entry> + </row> + </tbody> + </tgroup> + </table> + + <table pgwide="1" frame="none" id="v4l2-dbg-chip-info"> + <title>struct <structname>v4l2_dbg_chip_info</structname></title> + <tgroup cols="3"> + &cs-str; + <tbody valign="top"> + <row> + <entry>struct v4l2_dbg_match</entry> + <entry><structfield>match</structfield></entry> + <entry>How to match the chip, see <xref linkend="name-v4l2-dbg-match" />.</entry> + </row> + <row> + <entry>char</entry> + <entry><structfield>name[32]</structfield></entry> + <entry>The name of the chip.</entry> + </row> + <row> + <entry>__u32</entry> + <entry><structfield>flags</structfield></entry> + <entry>Set by the driver. If <constant>V4L2_CHIP_FL_READABLE</constant> +is set, then the driver supports reading registers from the device. If +<constant>V4L2_CHIP_FL_WRITABLE</constant> is set, then it supports writing registers.</entry> + </row> + <row> + <entry>__u32</entry> + <entry><structfield>reserved[8]</structfield></entry> + <entry>Reserved fields, both application and driver must set these to 0.</entry> + </row> + </tbody> + </tgroup> + </table> + + <!-- Note for convenience vidioc-dbg-g-register.sgml + contains a duplicate of this table. --> + <table pgwide="1" frame="none" id="name-chip-match-types"> + <title>Chip Match Types</title> + <tgroup cols="3"> + &cs-def; + <tbody valign="top"> + <row> + <entry><constant>V4L2_CHIP_MATCH_BRIDGE</constant></entry> + <entry>0</entry> + <entry>Match the nth chip on the card, zero for the + bridge chip. Does not match sub-devices.</entry> + </row> + <row> + <entry><constant>V4L2_CHIP_MATCH_I2C_DRIVER</constant></entry> + <entry>1</entry> + <entry>Match an &i2c; chip by its driver name. Can't be used with this ioctl.</entry> + </row> + <row> + <entry><constant>V4L2_CHIP_MATCH_I2C_ADDR</constant></entry> + <entry>2</entry> + <entry>Match a chip by its 7 bit &i2c; bus address. Can't be used with this ioctl.</entry> + </row> + <row> + <entry><constant>V4L2_CHIP_MATCH_AC97</constant></entry> + <entry>3</entry> + <entry>Match the nth anciliary AC97 chip. Can't be used with this ioctl.</entry> + </row> + <row> + <entry><constant>V4L2_CHIP_MATCH_SUBDEV</constant></entry> + <entry>4</entry> + <entry>Match the nth sub-device.</entry> + </row> + </tbody> + </tgroup> + </table> + </refsect1> + + <refsect1> + &return-value; + + <variablelist> + <varlistentry> + <term><errorcode>EINVAL</errorcode></term> + <listitem> + <para>The <structfield>match_type</structfield> is invalid or +no device could be matched.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> +</refentry> diff --git a/Documentation/DocBook/media/v4l/vidioc-dbg-g-register.xml b/Documentation/DocBook/media/v4l/vidioc-dbg-g-register.xml index a44aebc7997a..d13bac9e2445 100644 --- a/Documentation/DocBook/media/v4l/vidioc-dbg-g-register.xml +++ b/Documentation/DocBook/media/v4l/vidioc-dbg-g-register.xml @@ -87,7 +87,7 @@ written into the register.</para> <para>To read a register applications must initialize the <structfield>match.type</structfield>, -<structfield>match.chip</structfield> or <structfield>match.name</structfield> and +<structfield>match.addr</structfield> or <structfield>match.name</structfield> and <structfield>reg</structfield> fields, and call <constant>VIDIOC_DBG_G_REGISTER</constant> with a pointer to this structure. On success the driver stores the register value in the @@ -95,11 +95,11 @@ structure. On success the driver stores the register value in the unchanged.</para> <para>When <structfield>match.type</structfield> is -<constant>V4L2_CHIP_MATCH_HOST</constant>, -<structfield>match.addr</structfield> selects the nth non-&i2c; chip +<constant>V4L2_CHIP_MATCH_BRIDGE</constant>, +<structfield>match.addr</structfield> selects the nth non-sub-device chip on the TV card. The number zero always selects the host chip, ⪚ the chip connected to the PCI or USB bus. You can find out which chips are -present with the &VIDIOC-DBG-G-CHIP-IDENT; ioctl.</para> +present with the &VIDIOC-DBG-G-CHIP-INFO; ioctl.</para> <para>When <structfield>match.type</structfield> is <constant>V4L2_CHIP_MATCH_I2C_DRIVER</constant>, @@ -109,7 +109,7 @@ For instance supported by the saa7127 driver, regardless of its &i2c; bus address. When multiple chips supported by the same driver are present, the effect of these ioctls is undefined. Again with the -&VIDIOC-DBG-G-CHIP-IDENT; ioctl you can find out which &i2c; chips are +&VIDIOC-DBG-G-CHIP-INFO; ioctl you can find out which &i2c; chips are present.</para> <para>When <structfield>match.type</structfield> is @@ -122,19 +122,23 @@ bus address.</para> <structfield>match.addr</structfield> selects the nth AC97 chip on the TV card.</para> + <para>When <structfield>match.type</structfield> is +<constant>V4L2_CHIP_MATCH_SUBDEV</constant>, +<structfield>match.addr</structfield> selects the nth sub-device.</para> + <note> <title>Success not guaranteed</title> <para>Due to a flaw in the Linux &i2c; bus driver these ioctls may return successfully without actually reading or writing a register. To -catch the most likely failure we recommend a &VIDIOC-DBG-G-CHIP-IDENT; +catch the most likely failure we recommend a &VIDIOC-DBG-G-CHIP-INFO; call confirming the presence of the selected &i2c; chip.</para> </note> <para>These ioctls are optional, not all drivers may support them. However when a driver supports these ioctls it must also support -&VIDIOC-DBG-G-CHIP-IDENT;. Conversely it may support -<constant>VIDIOC_DBG_G_CHIP_IDENT</constant> but not these ioctls.</para> +&VIDIOC-DBG-G-CHIP-INFO;. Conversely it may support +<constant>VIDIOC_DBG_G_CHIP_INFO</constant> but not these ioctls.</para> <para><constant>VIDIOC_DBG_G_REGISTER</constant> and <constant>VIDIOC_DBG_S_REGISTER</constant> were introduced in Linux @@ -217,10 +221,10 @@ register.</entry> &cs-def; <tbody valign="top"> <row> - <entry><constant>V4L2_CHIP_MATCH_HOST</constant></entry> + <entry><constant>V4L2_CHIP_MATCH_BRIDGE</constant></entry> <entry>0</entry> <entry>Match the nth chip on the card, zero for the - host chip. Does not match &i2c; chips.</entry> + bridge chip. Does not match sub-devices.</entry> </row> <row> <entry><constant>V4L2_CHIP_MATCH_I2C_DRIVER</constant></entry> @@ -237,6 +241,11 @@ register.</entry> <entry>3</entry> <entry>Match the nth anciliary AC97 chip.</entry> </row> + <row> + <entry><constant>V4L2_CHIP_MATCH_SUBDEV</constant></entry> + <entry>4</entry> + <entry>Match the nth sub-device.</entry> + </row> </tbody> </tgroup> </table> diff --git a/Documentation/DocBook/media/v4l/vidioc-enum-dv-presets.xml b/Documentation/DocBook/media/v4l/vidioc-enum-dv-presets.xml deleted file mode 100644 index fced5fb0dbf0..000000000000 --- a/Documentation/DocBook/media/v4l/vidioc-enum-dv-presets.xml +++ /dev/null @@ -1,240 +0,0 @@ -<refentry id="vidioc-enum-dv-presets"> - <refmeta> - <refentrytitle>ioctl VIDIOC_ENUM_DV_PRESETS</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>VIDIOC_ENUM_DV_PRESETS</refname> - <refpurpose>Enumerate supported Digital Video presets</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct v4l2_dv_enum_preset *<parameter>argp</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>VIDIOC_ENUM_DV_PRESETS</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>argp</parameter></term> - <listitem> - <para></para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>This ioctl is <emphasis role="bold">deprecated</emphasis>. - New drivers and applications should use &VIDIOC-ENUM-DV-TIMINGS; instead. - </para> - - <para>To query the attributes of a DV preset, applications initialize the -<structfield>index</structfield> field and zero the reserved array of &v4l2-dv-enum-preset; -and call the <constant>VIDIOC_ENUM_DV_PRESETS</constant> ioctl with a pointer to this -structure. Drivers fill the rest of the structure or return an -&EINVAL; when the index is out of bounds. To enumerate all DV Presets supported, -applications shall begin at index zero, incrementing by one until the -driver returns <errorcode>EINVAL</errorcode>. Drivers may enumerate a -different set of DV presets after switching the video input or -output.</para> - - <table pgwide="1" frame="none" id="v4l2-dv-enum-preset"> - <title>struct <structname>v4l2_dv_enum_presets</structname></title> - <tgroup cols="3"> - &cs-str; - <tbody valign="top"> - <row> - <entry>__u32</entry> - <entry><structfield>index</structfield></entry> - <entry>Number of the DV preset, set by the -application.</entry> - </row> - <row> - <entry>__u32</entry> - <entry><structfield>preset</structfield></entry> - <entry>This field identifies one of the DV preset values listed in <xref linkend="v4l2-dv-presets-vals"/>.</entry> - </row> - <row> - <entry>__u8</entry> - <entry><structfield>name</structfield>[24]</entry> - <entry>Name of the preset, a NUL-terminated ASCII string, for example: "720P-60", "1080I-60". This information is -intended for the user.</entry> - </row> - <row> - <entry>__u32</entry> - <entry><structfield>width</structfield></entry> - <entry>Width of the active video in pixels for the DV preset.</entry> - </row> - <row> - <entry>__u32</entry> - <entry><structfield>height</structfield></entry> - <entry>Height of the active video in lines for the DV preset.</entry> - </row> - <row> - <entry>__u32</entry> - <entry><structfield>reserved</structfield>[4]</entry> - <entry>Reserved for future extensions. Drivers must set the array to zero.</entry> - </row> - </tbody> - </tgroup> - </table> - - <table pgwide="1" frame="none" id="v4l2-dv-presets-vals"> - <title>struct <structname>DV Presets</structname></title> - <tgroup cols="3"> - &cs-str; - <tbody valign="top"> - <row> - <entry>Preset</entry> - <entry>Preset value</entry> - <entry>Description</entry> - </row> - <row> - <entry></entry> - <entry></entry> - <entry></entry> - </row> - <row> - <entry>V4L2_DV_INVALID</entry> - <entry>0</entry> - <entry>Invalid preset value.</entry> - </row> - <row> - <entry>V4L2_DV_480P59_94</entry> - <entry>1</entry> - <entry>720x480 progressive video at 59.94 fps as per BT.1362.</entry> - </row> - <row> - <entry>V4L2_DV_576P50</entry> - <entry>2</entry> - <entry>720x576 progressive video at 50 fps as per BT.1362.</entry> - </row> - <row> - <entry>V4L2_DV_720P24</entry> - <entry>3</entry> - <entry>1280x720 progressive video at 24 fps as per SMPTE 296M.</entry> - </row> - <row> - <entry>V4L2_DV_720P25</entry> - <entry>4</entry> - <entry>1280x720 progressive video at 25 fps as per SMPTE 296M.</entry> - </row> - <row> - <entry>V4L2_DV_720P30</entry> - <entry>5</entry> - <entry>1280x720 progressive video at 30 fps as per SMPTE 296M.</entry> - </row> - <row> - <entry>V4L2_DV_720P50</entry> - <entry>6</entry> - <entry>1280x720 progressive video at 50 fps as per SMPTE 296M.</entry> - </row> - <row> - <entry>V4L2_DV_720P59_94</entry> - <entry>7</entry> - <entry>1280x720 progressive video at 59.94 fps as per SMPTE 274M.</entry> - </row> - <row> - <entry>V4L2_DV_720P60</entry> - <entry>8</entry> - <entry>1280x720 progressive video at 60 fps as per SMPTE 274M/296M.</entry> - </row> - <row> - <entry>V4L2_DV_1080I29_97</entry> - <entry>9</entry> - <entry>1920x1080 interlaced video at 29.97 fps as per BT.1120/SMPTE 274M.</entry> - </row> - <row> - <entry>V4L2_DV_1080I30</entry> - <entry>10</entry> - <entry>1920x1080 interlaced video at 30 fps as per BT.1120/SMPTE 274M.</entry> - </row> - <row> - <entry>V4L2_DV_1080I25</entry> - <entry>11</entry> - <entry>1920x1080 interlaced video at 25 fps as per BT.1120.</entry> - </row> - <row> - <entry>V4L2_DV_1080I50</entry> - <entry>12</entry> - <entry>1920x1080 interlaced video at 50 fps as per SMPTE 296M.</entry> - </row> - <row> - <entry>V4L2_DV_1080I60</entry> - <entry>13</entry> - <entry>1920x1080 interlaced video at 60 fps as per SMPTE 296M.</entry> - </row> - <row> - <entry>V4L2_DV_1080P24</entry> - <entry>14</entry> - <entry>1920x1080 progressive video at 24 fps as per SMPTE 296M.</entry> - </row> - <row> - <entry>V4L2_DV_1080P25</entry> - <entry>15</entry> - <entry>1920x1080 progressive video at 25 fps as per SMPTE 296M.</entry> - </row> - <row> - <entry>V4L2_DV_1080P30</entry> - <entry>16</entry> - <entry>1920x1080 progressive video at 30 fps as per SMPTE 296M.</entry> - </row> - <row> - <entry>V4L2_DV_1080P50</entry> - <entry>17</entry> - <entry>1920x1080 progressive video at 50 fps as per BT.1120.</entry> - </row> - <row> - <entry>V4L2_DV_1080P60</entry> - <entry>18</entry> - <entry>1920x1080 progressive video at 60 fps as per BT.1120.</entry> - </row> - </tbody> - </tgroup> - </table> - </refsect1> - - <refsect1> - &return-value; - - <variablelist> - <varlistentry> - <term><errorcode>EINVAL</errorcode></term> - <listitem> - <para>The &v4l2-dv-enum-preset; <structfield>index</structfield> -is out of bounds.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>ENODATA</errorcode></term> - <listitem> - <para>Digital video presets are not supported for this input or output.</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> -</refentry> diff --git a/Documentation/DocBook/media/v4l/vidioc-enuminput.xml b/Documentation/DocBook/media/v4l/vidioc-enuminput.xml index 3c9a81305ad4..493a39a8ef21 100644 --- a/Documentation/DocBook/media/v4l/vidioc-enuminput.xml +++ b/Documentation/DocBook/media/v4l/vidioc-enuminput.xml @@ -278,11 +278,6 @@ input/output interface to linux-media@vger.kernel.org on 19 Oct 2009. &cs-def; <tbody valign="top"> <row> - <entry><constant>V4L2_IN_CAP_PRESETS</constant></entry> - <entry>0x00000001</entry> - <entry>This input supports setting DV presets by using VIDIOC_S_DV_PRESET.</entry> - </row> - <row> <entry><constant>V4L2_IN_CAP_DV_TIMINGS</constant></entry> <entry>0x00000002</entry> <entry>This input supports setting video timings by using VIDIOC_S_DV_TIMINGS.</entry> diff --git a/Documentation/DocBook/media/v4l/vidioc-enumoutput.xml b/Documentation/DocBook/media/v4l/vidioc-enumoutput.xml index f4ab0798545d..2654e097df39 100644 --- a/Documentation/DocBook/media/v4l/vidioc-enumoutput.xml +++ b/Documentation/DocBook/media/v4l/vidioc-enumoutput.xml @@ -163,11 +163,6 @@ input/output interface to linux-media@vger.kernel.org on 19 Oct 2009. &cs-def; <tbody valign="top"> <row> - <entry><constant>V4L2_OUT_CAP_PRESETS</constant></entry> - <entry>0x00000001</entry> - <entry>This output supports setting DV presets by using VIDIOC_S_DV_PRESET.</entry> - </row> - <row> <entry><constant>V4L2_OUT_CAP_DV_TIMINGS</constant></entry> <entry>0x00000002</entry> <entry>This output supports setting video timings by using VIDIOC_S_DV_TIMINGS.</entry> diff --git a/Documentation/DocBook/media/v4l/vidioc-g-dv-preset.xml b/Documentation/DocBook/media/v4l/vidioc-g-dv-preset.xml deleted file mode 100644 index b9ea37634f6c..000000000000 --- a/Documentation/DocBook/media/v4l/vidioc-g-dv-preset.xml +++ /dev/null @@ -1,113 +0,0 @@ -<refentry id="vidioc-g-dv-preset"> - <refmeta> - <refentrytitle>ioctl VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>VIDIOC_G_DV_PRESET</refname> - <refname>VIDIOC_S_DV_PRESET</refname> - <refpurpose>Query or select the DV preset of the current input or output</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct v4l2_dv_preset *<parameter>argp</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>argp</parameter></term> - <listitem> - <para></para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>These ioctls are <emphasis role="bold">deprecated</emphasis>. - New drivers and applications should use &VIDIOC-G-DV-TIMINGS; and &VIDIOC-S-DV-TIMINGS; - instead. - </para> - - <para>To query and select the current DV preset, applications -use the <constant>VIDIOC_G_DV_PRESET</constant> and <constant>VIDIOC_S_DV_PRESET</constant> -ioctls which take a pointer to a &v4l2-dv-preset; type as argument. -Applications must zero the reserved array in &v4l2-dv-preset;. -<constant>VIDIOC_G_DV_PRESET</constant> returns a dv preset in the field -<structfield>preset</structfield> of &v4l2-dv-preset;.</para> - - <para><constant>VIDIOC_S_DV_PRESET</constant> accepts a pointer to a &v4l2-dv-preset; -that has the preset value to be set. Applications must zero the reserved array in &v4l2-dv-preset;. -If the preset is not supported, it returns an &EINVAL; </para> - </refsect1> - - <refsect1> - &return-value; - - <variablelist> - <varlistentry> - <term><errorcode>EINVAL</errorcode></term> - <listitem> - <para>This ioctl is not supported, or the -<constant>VIDIOC_S_DV_PRESET</constant>,<constant>VIDIOC_S_DV_PRESET</constant> parameter was unsuitable.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>ENODATA</errorcode></term> - <listitem> - <para>Digital video presets are not supported for this input or output.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>EBUSY</errorcode></term> - <listitem> - <para>The device is busy and therefore can not change the preset.</para> - </listitem> - </varlistentry> - </variablelist> - - <table pgwide="1" frame="none" id="v4l2-dv-preset"> - <title>struct <structname>v4l2_dv_preset</structname></title> - <tgroup cols="3"> - &cs-str; - <tbody valign="top"> - <row> - <entry>__u32</entry> - <entry><structfield>preset</structfield></entry> - <entry>Preset value to represent the digital video timings</entry> - </row> - <row> - <entry>__u32</entry> - <entry><structfield>reserved[4]</structfield></entry> - <entry>Reserved fields for future use</entry> - </row> - </tbody> - </tgroup> - </table> - </refsect1> -</refentry> diff --git a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml index 4e16112df992..b3bb9575b2e0 100644 --- a/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml +++ b/Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml @@ -319,6 +319,15 @@ These controls are described in <xref processing controls. These controls are described in <xref linkend="image-process-controls" />.</entry> </row> + + <row> + <entry><constant>V4L2_CTRL_CLASS_FM_RX</constant></entry> + <entry>0xa10000</entry> + <entry>The class containing FM Receiver (FM RX) controls. +These controls are described in <xref + linkend="fm-rx-controls" />.</entry> + </row> + </tbody> </tgroup> </table> diff --git a/Documentation/DocBook/media/v4l/vidioc-query-dv-preset.xml b/Documentation/DocBook/media/v4l/vidioc-query-dv-preset.xml deleted file mode 100644 index 68b49d09e245..000000000000 --- a/Documentation/DocBook/media/v4l/vidioc-query-dv-preset.xml +++ /dev/null @@ -1,78 +0,0 @@ -<refentry id="vidioc-query-dv-preset"> - <refmeta> - <refentrytitle>ioctl VIDIOC_QUERY_DV_PRESET</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>VIDIOC_QUERY_DV_PRESET</refname> - <refpurpose>Sense the DV preset received by the current -input</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct v4l2_dv_preset *<parameter>argp</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>VIDIOC_QUERY_DV_PRESET</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>argp</parameter></term> - <listitem> - <para></para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>This ioctl is <emphasis role="bold">deprecated</emphasis>. - New drivers and applications should use &VIDIOC-QUERY-DV-TIMINGS; instead. - </para> - - <para>The hardware may be able to detect the current DV preset -automatically, similar to sensing the video standard. To do so, applications -call <constant> VIDIOC_QUERY_DV_PRESET</constant> with a pointer to a -&v4l2-dv-preset; type. Once the hardware detects a preset, that preset is -returned in the preset field of &v4l2-dv-preset;. If the preset could not be -detected because there was no signal, or the signal was unreliable, or the -signal did not map to a supported preset, then the value V4L2_DV_INVALID is -returned.</para> - </refsect1> - - <refsect1> - &return-value; - - <variablelist> - <varlistentry> - <term><errorcode>ENODATA</errorcode></term> - <listitem> - <para>Digital video presets are not supported for this input or output.</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> -</refentry> diff --git a/Documentation/DocBook/media_api.tmpl b/Documentation/DocBook/media_api.tmpl index 1f6593deb995..6a8b7158697f 100644 --- a/Documentation/DocBook/media_api.tmpl +++ b/Documentation/DocBook/media_api.tmpl @@ -23,6 +23,7 @@ <!-- LinuxTV v4l-dvb repository. --> <!ENTITY v4l-dvb "<ulink url='http://linuxtv.org/repo/'>http://linuxtv.org/repo/</ulink>"> <!ENTITY dash-ent-10 "<entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry>"> +<!ENTITY dash-ent-16 "<entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry><entry>-</entry>"> ]> <book id="media_api"> diff --git a/Documentation/RCU/checklist.txt b/Documentation/RCU/checklist.txt index 31ef8fe07f82..79e789b8b8ea 100644 --- a/Documentation/RCU/checklist.txt +++ b/Documentation/RCU/checklist.txt @@ -217,9 +217,14 @@ over a rather long period of time, but improvements are always welcome! whether the increased speed is worth it. 8. Although synchronize_rcu() is slower than is call_rcu(), it - usually results in simpler code. So, unless update performance - is critically important or the updaters cannot block, - synchronize_rcu() should be used in preference to call_rcu(). + usually results in simpler code. So, unless update performance is + critically important, the updaters cannot block, or the latency of + synchronize_rcu() is visible from userspace, synchronize_rcu() + should be used in preference to call_rcu(). Furthermore, + kfree_rcu() usually results in even simpler code than does + synchronize_rcu() without synchronize_rcu()'s multi-millisecond + latency. So please take advantage of kfree_rcu()'s "fire and + forget" memory-freeing capabilities where it applies. An especially important property of the synchronize_rcu() primitive is that it automatically self-limits: if grace periods @@ -268,7 +273,8 @@ over a rather long period of time, but improvements are always welcome! e. Periodically invoke synchronize_rcu(), permitting a limited number of updates per grace period. - The same cautions apply to call_rcu_bh() and call_rcu_sched(). + The same cautions apply to call_rcu_bh(), call_rcu_sched(), + call_srcu(), and kfree_rcu(). 9. All RCU list-traversal primitives, which include rcu_dereference(), list_for_each_entry_rcu(), and @@ -296,9 +302,9 @@ over a rather long period of time, but improvements are always welcome! all currently executing rcu_read_lock()-protected RCU read-side critical sections complete. It does -not- necessarily guarantee that all currently running interrupts, NMIs, preempt_disable() - code, or idle loops will complete. Therefore, if you do not have - rcu_read_lock()-protected read-side critical sections, do -not- - use synchronize_rcu(). + code, or idle loops will complete. Therefore, if your + read-side critical sections are protected by something other + than rcu_read_lock(), do -not- use synchronize_rcu(). Similarly, disabling preemption is not an acceptable substitute for rcu_read_lock(). Code that attempts to use preemption @@ -401,9 +407,9 @@ over a rather long period of time, but improvements are always welcome! read-side critical sections. It is the responsibility of the RCU update-side primitives to deal with this. -17. Use CONFIG_PROVE_RCU, CONFIG_DEBUG_OBJECTS_RCU_HEAD, and - the __rcu sparse checks to validate your RCU code. These - can help find problems as follows: +17. Use CONFIG_PROVE_RCU, CONFIG_DEBUG_OBJECTS_RCU_HEAD, and the + __rcu sparse checks (enabled by CONFIG_SPARSE_RCU_POINTER) to + validate your RCU code. These can help find problems as follows: CONFIG_PROVE_RCU: check that accesses to RCU-protected data structures are carried out under the proper RCU diff --git a/Documentation/RCU/lockdep.txt b/Documentation/RCU/lockdep.txt index a102d4b3724b..cd83d2348fef 100644 --- a/Documentation/RCU/lockdep.txt +++ b/Documentation/RCU/lockdep.txt @@ -64,6 +64,11 @@ checking of rcu_dereference() primitives: but retain the compiler constraints that prevent duplicating or coalescsing. This is useful when when testing the value of the pointer itself, for example, against NULL. + rcu_access_index(idx): + Return the value of the index and omit all barriers, but + retain the compiler constraints that prevent duplicating + or coalescsing. This is useful when when testing the + value of the index itself, for example, against -1. The rcu_dereference_check() check expression can be any boolean expression, but would normally include a lockdep expression. However, diff --git a/Documentation/RCU/rcubarrier.txt b/Documentation/RCU/rcubarrier.txt index 38428c125135..2e319d1b9ef2 100644 --- a/Documentation/RCU/rcubarrier.txt +++ b/Documentation/RCU/rcubarrier.txt @@ -79,7 +79,20 @@ complete. Pseudo-code using rcu_barrier() is as follows: 2. Execute rcu_barrier(). 3. Allow the module to be unloaded. -The rcutorture module makes use of rcu_barrier in its exit function +There are also rcu_barrier_bh(), rcu_barrier_sched(), and srcu_barrier() +functions for the other flavors of RCU, and you of course must match +the flavor of rcu_barrier() with that of call_rcu(). If your module +uses multiple flavors of call_rcu(), then it must also use multiple +flavors of rcu_barrier() when unloading that module. For example, if +it uses call_rcu_bh(), call_srcu() on srcu_struct_1, and call_srcu() on +srcu_struct_2(), then the following three lines of code will be required +when unloading: + + 1 rcu_barrier_bh(); + 2 srcu_barrier(&srcu_struct_1); + 3 srcu_barrier(&srcu_struct_2); + +The rcutorture module makes use of rcu_barrier() in its exit function as follows: 1 static void diff --git a/Documentation/RCU/stallwarn.txt b/Documentation/RCU/stallwarn.txt index 1927151b386b..e38b8df3d727 100644 --- a/Documentation/RCU/stallwarn.txt +++ b/Documentation/RCU/stallwarn.txt @@ -92,14 +92,14 @@ If the CONFIG_RCU_CPU_STALL_INFO kernel configuration parameter is set, more information is printed with the stall-warning message, for example: INFO: rcu_preempt detected stall on CPU - 0: (63959 ticks this GP) idle=241/3fffffffffffffff/0 + 0: (63959 ticks this GP) idle=241/3fffffffffffffff/0 softirq=82/543 (t=65000 jiffies) In kernels with CONFIG_RCU_FAST_NO_HZ, even more information is printed: INFO: rcu_preempt detected stall on CPU - 0: (64628 ticks this GP) idle=dd5/3fffffffffffffff/0 drain=0 . timer not pending + 0: (64628 ticks this GP) idle=dd5/3fffffffffffffff/0 softirq=82/543 last_accelerate: a345/d342 nonlazy_posted: 25 .D (t=65000 jiffies) The "(64628 ticks this GP)" indicates that this CPU has taken more @@ -116,13 +116,28 @@ number between the two "/"s is the value of the nesting, which will be a small positive number if in the idle loop and a very large positive number (as shown above) otherwise. -For CONFIG_RCU_FAST_NO_HZ kernels, the "drain=0" indicates that the CPU is -not in the process of trying to force itself into dyntick-idle state, the -"." indicates that the CPU has not given up forcing RCU into dyntick-idle -mode (it would be "H" otherwise), and the "timer not pending" indicates -that the CPU has not recently forced RCU into dyntick-idle mode (it -would otherwise indicate the number of microseconds remaining in this -forced state). +The "softirq=" portion of the message tracks the number of RCU softirq +handlers that the stalled CPU has executed. The number before the "/" +is the number that had executed since boot at the time that this CPU +last noted the beginning of a grace period, which might be the current +(stalled) grace period, or it might be some earlier grace period (for +example, if the CPU might have been in dyntick-idle mode for an extended +time period. The number after the "/" is the number that have executed +since boot until the current time. If this latter number stays constant +across repeated stall-warning messages, it is possible that RCU's softirq +handlers are no longer able to execute on this CPU. This can happen if +the stalled CPU is spinning with interrupts are disabled, or, in -rt +kernels, if a high-priority process is starving RCU's softirq handler. + +For CONFIG_RCU_FAST_NO_HZ kernels, the "last_accelerate:" prints the +low-order 16 bits (in hex) of the jiffies counter when this CPU last +invoked rcu_try_advance_all_cbs() from rcu_needs_cpu() or last invoked +rcu_accelerate_cbs() from rcu_prepare_for_idle(). The "nonlazy_posted:" +prints the number of non-lazy callbacks posted since the last call to +rcu_needs_cpu(). Finally, an "L" indicates that there are currently +no non-lazy callbacks ("." is printed otherwise, as shown above) and +"D" indicates that dyntick-idle processing is enabled ("." is printed +otherwise, for example, if disabled via the "nohz=" kernel boot parameter). Multiple Warnings From One Stall diff --git a/Documentation/RCU/whatisRCU.txt b/Documentation/RCU/whatisRCU.txt index 0cc7820967f4..10df0b82f459 100644 --- a/Documentation/RCU/whatisRCU.txt +++ b/Documentation/RCU/whatisRCU.txt @@ -265,9 +265,9 @@ rcu_dereference() rcu_read_lock(); p = rcu_dereference(head.next); rcu_read_unlock(); - x = p->address; + x = p->address; /* BUG!!! */ rcu_read_lock(); - y = p->data; + y = p->data; /* BUG!!! */ rcu_read_unlock(); Holding a reference from one RCU read-side critical section diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index aa0c1e63f050..6e97e73d87b5 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -420,7 +420,7 @@ person it names. This tag documents that potentially interested parties have been included in the discussion -14) Using Reported-by:, Tested-by: and Reviewed-by: +14) Using Reported-by:, Tested-by:, Reviewed-by: and Suggested-by: If this patch fixes a problem reported by somebody else, consider adding a Reported-by: tag to credit the reporter for their contribution. Please @@ -468,6 +468,13 @@ done on the patch. Reviewed-by: tags, when supplied by reviewers known to understand the subject area and to perform thorough reviews, will normally increase the likelihood of your patch getting into the kernel. +A Suggested-by: tag indicates that the patch idea is suggested by the person +named and ensures credit to the person for the idea. Please note that this +tag should not be added without the reporter's permission, especially if the +idea was not posted in a public forum. That said, if we diligently credit our +idea reporters, they will, hopefully, be inspired to help us again in the +future. + 15) The canonical patch format diff --git a/Documentation/arm/sunxi/clocks.txt b/Documentation/arm/sunxi/clocks.txt new file mode 100644 index 000000000000..e09a88aa3136 --- /dev/null +++ b/Documentation/arm/sunxi/clocks.txt @@ -0,0 +1,56 @@ +Frequently asked questions about the sunxi clock system +======================================================= + +This document contains useful bits of information that people tend to ask +about the sunxi clock system, as well as accompanying ASCII art when adequate. + +Q: Why is the main 24MHz oscillator gatable? Wouldn't that break the + system? + +A: The 24MHz oscillator allows gating to save power. Indeed, if gated + carelessly the system would stop functioning, but with the right + steps, one can gate it and keep the system running. Consider this + simplified suspend example: + + While the system is operational, you would see something like + + 24MHz 32kHz + | + PLL1 + \ + \_ CPU Mux + | + [CPU] + + When you are about to suspend, you switch the CPU Mux to the 32kHz + oscillator: + + 24Mhz 32kHz + | | + PLL1 | + / + CPU Mux _/ + | + [CPU] + + Finally you can gate the main oscillator + + 32kHz + | + | + / + CPU Mux _/ + | + [CPU] + +Q: Were can I learn more about the sunxi clocks? + +A: The linux-sunxi wiki contains a page documenting the clock registers, + you can find it at + + http://linux-sunxi.org/A10/CCM + + The authoritative source for information at this time is the ccmu driver + released by Allwinner, you can find it at + + https://github.com/linux-sunxi/linux-sunxi/tree/sunxi-3.0/arch/arm/mach-sun4i/clock/ccmu diff --git a/Documentation/backlight/lp855x-driver.txt b/Documentation/backlight/lp855x-driver.txt index 18b06ca038ea..1c732f0c6758 100644 --- a/Documentation/backlight/lp855x-driver.txt +++ b/Documentation/backlight/lp855x-driver.txt @@ -32,14 +32,10 @@ Platform data for lp855x For supporting platform specific data, the lp855x platform data can be used. * name : Backlight driver name. If it is not defined, default name is set. -* mode : Brightness control mode. PWM or register based. * device_control : Value of DEVICE CONTROL register. * initial_brightness : Initial value of backlight brightness. * period_ns : Platform specific PWM period value. unit is nano. Only valid when brightness is pwm input mode. -* load_new_rom_data : - 0 : use default configuration data - 1 : update values of eeprom or eprom registers on loading driver * size_program : Total size of lp855x_rom_data. * rom_data : List of new eeprom/eprom registers. @@ -54,10 +50,8 @@ static struct lp855x_rom_data lp8552_eeprom_arr[] = { static struct lp855x_platform_data lp8552_pdata = { .name = "lcd-bl", - .mode = REGISTER_BASED, .device_control = I2C_CONFIG(LP8552), .initial_brightness = INITIAL_BRT, - .load_new_rom_data = 1, .size_program = ARRAY_SIZE(lp8552_eeprom_arr), .rom_data = lp8552_eeprom_arr, }; @@ -65,7 +59,6 @@ static struct lp855x_platform_data lp8552_pdata = { example 2) lp8556 platform data : pwm input mode with default rom data static struct lp855x_platform_data lp8556_pdata = { - .mode = PWM_BASED, .device_control = PWM_CONFIG(LP8556), .initial_brightness = INITIAL_BRT, .period_ns = 1000000, diff --git a/Documentation/cgroups/00-INDEX b/Documentation/cgroups/00-INDEX index f5635a09c3f6..bc461b6425a7 100644 --- a/Documentation/cgroups/00-INDEX +++ b/Documentation/cgroups/00-INDEX @@ -18,6 +18,8 @@ memcg_test.txt - Memory Resource Controller; implementation details. memory.txt - Memory Resource Controller; design, accounting, interface, testing. +net_cls.txt + - Network classifier cgroups details and usages. net_prio.txt - Network priority cgroups details and usages. resource_counter.txt diff --git a/Documentation/cgroups/cgroups.txt b/Documentation/cgroups/cgroups.txt index bcf1a00b06a1..638bf17ff869 100644 --- a/Documentation/cgroups/cgroups.txt +++ b/Documentation/cgroups/cgroups.txt @@ -442,7 +442,7 @@ You can attach the current shell task by echoing 0: You can use the cgroup.procs file instead of the tasks file to move all threads in a threadgroup at once. Echoing the PID of any task in a threadgroup to cgroup.procs causes all tasks in that threadgroup to be -be attached to the cgroup. Writing 0 to cgroup.procs moves all tasks +attached to the cgroup. Writing 0 to cgroup.procs moves all tasks in the writing task's threadgroup. Note: Since every task is always a member of exactly one cgroup in each @@ -580,6 +580,7 @@ propagation along the hierarchy. See the comment on cgroup_for_each_descendant_pre() for details. void css_offline(struct cgroup *cgrp); +(cgroup_mutex held by caller) This is the counterpart of css_online() and called iff css_online() has succeeded on @cgrp. This signifies the beginning of the end of diff --git a/Documentation/cgroups/devices.txt b/Documentation/cgroups/devices.txt index 16624a7f8222..3c1095ca02ea 100644 --- a/Documentation/cgroups/devices.txt +++ b/Documentation/cgroups/devices.txt @@ -13,9 +13,7 @@ either an integer or * for all. Access is a composition of r The root device cgroup starts with rwm to 'all'. A child device cgroup gets a copy of the parent. Administrators can then remove devices from the whitelist or add new entries. A child cgroup can -never receive a device access which is denied by its parent. However -when a device access is removed from a parent it will not also be -removed from the child(ren). +never receive a device access which is denied by its parent. 2. User Interface @@ -50,3 +48,69 @@ task to a new cgroup. (Again we'll probably want to change that). A cgroup may not be granted more permissions than the cgroup's parent has. + +4. Hierarchy + +device cgroups maintain hierarchy by making sure a cgroup never has more +access permissions than its parent. Every time an entry is written to +a cgroup's devices.deny file, all its children will have that entry removed +from their whitelist and all the locally set whitelist entries will be +re-evaluated. In case one of the locally set whitelist entries would provide +more access than the cgroup's parent, it'll be removed from the whitelist. + +Example: + A + / \ + B + + group behavior exceptions + A allow "b 8:* rwm", "c 116:1 rw" + B deny "c 1:3 rwm", "c 116:2 rwm", "b 3:* rwm" + +If a device is denied in group A: + # echo "c 116:* r" > A/devices.deny +it'll propagate down and after revalidating B's entries, the whitelist entry +"c 116:2 rwm" will be removed: + + group whitelist entries denied devices + A all "b 8:* rwm", "c 116:* rw" + B "c 1:3 rwm", "b 3:* rwm" all the rest + +In case parent's exceptions change and local exceptions are not allowed +anymore, they'll be deleted. + +Notice that new whitelist entries will not be propagated: + A + / \ + B + + group whitelist entries denied devices + A "c 1:3 rwm", "c 1:5 r" all the rest + B "c 1:3 rwm", "c 1:5 r" all the rest + +when adding "c *:3 rwm": + # echo "c *:3 rwm" >A/devices.allow + +the result: + group whitelist entries denied devices + A "c *:3 rwm", "c 1:5 r" all the rest + B "c 1:3 rwm", "c 1:5 r" all the rest + +but now it'll be possible to add new entries to B: + # echo "c 2:3 rwm" >B/devices.allow + # echo "c 50:3 r" >B/devices.allow +or even + # echo "c *:3 rwm" >B/devices.allow + +Allowing or denying all by writing 'a' to devices.allow or devices.deny will +not be possible once the device cgroups has children. + +4.1 Hierarchy (internal implementation) + +device cgroups is implemented internally using a behavior (ALLOW, DENY) and a +list of exceptions. The internal state is controlled using the same user +interface to preserve compatibility with the previous whitelist-only +implementation. Removal or addition of exceptions that will reduce the access +to devices will be propagated down the hierarchy. +For every propagated exception, the effective rules will be re-evaluated based +on current parent's access rules. diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt index 8b8c28b9864c..09027a9fece5 100644 --- a/Documentation/cgroups/memory.txt +++ b/Documentation/cgroups/memory.txt @@ -40,6 +40,7 @@ Features: - soft limit - moving (recharging) account at moving a task is selectable. - usage threshold notifier + - memory pressure notifier - oom-killer disable knob and oom-notifier - Root cgroup has no limit controls. @@ -65,6 +66,7 @@ Brief summary of control files. memory.stat # show various statistics memory.use_hierarchy # set/show hierarchical account enabled memory.force_empty # trigger forced move charge to parent + memory.pressure_level # set memory pressure notifications memory.swappiness # set/show swappiness parameter of vmscan (See sysctl's vm.swappiness) memory.move_charge_at_immigrate # set/show controls of moving charges @@ -194,7 +196,7 @@ the cgroup that brought it in -- this will happen on memory pressure). But see section 8.2: when moving a task to another cgroup, its pages may be recharged to the new cgroup, if move_charge_at_immigrate has been chosen. -Exception: If CONFIG_CGROUP_CGROUP_MEMCG_SWAP is not used. +Exception: If CONFIG_MEMCG_SWAP is not used. When you do swapoff and make swapped-out pages of shmem(tmpfs) to be backed into memory in force, charges for pages are accounted against the caller of swapoff rather than the users of shmem. @@ -762,7 +764,73 @@ At reading, current status of OOM is shown. under_oom 0 or 1 (if 1, the memory cgroup is under OOM, tasks may be stopped.) -11. TODO +11. Memory Pressure + +The pressure level notifications can be used to monitor the memory +allocation cost; based on the pressure, applications can implement +different strategies of managing their memory resources. The pressure +levels are defined as following: + +The "low" level means that the system is reclaiming memory for new +allocations. Monitoring this reclaiming activity might be useful for +maintaining cache level. Upon notification, the program (typically +"Activity Manager") might analyze vmstat and act in advance (i.e. +prematurely shutdown unimportant services). + +The "medium" level means that the system is experiencing medium memory +pressure, the system might be making swap, paging out active file caches, +etc. Upon this event applications may decide to further analyze +vmstat/zoneinfo/memcg or internal memory usage statistics and free any +resources that can be easily reconstructed or re-read from a disk. + +The "critical" level means that the system is actively thrashing, it is +about to out of memory (OOM) or even the in-kernel OOM killer is on its +way to trigger. Applications should do whatever they can to help the +system. It might be too late to consult with vmstat or any other +statistics, so it's advisable to take an immediate action. + +The events are propagated upward until the event is handled, i.e. the +events are not pass-through. Here is what this means: for example you have +three cgroups: A->B->C. Now you set up an event listener on cgroups A, B +and C, and suppose group C experiences some pressure. In this situation, +only group C will receive the notification, i.e. groups A and B will not +receive it. This is done to avoid excessive "broadcasting" of messages, +which disturbs the system and which is especially bad if we are low on +memory or thrashing. So, organize the cgroups wisely, or propagate the +events manually (or, ask us to implement the pass-through events, +explaining why would you need them.) + +The file memory.pressure_level is only used to setup an eventfd. To +register a notification, an application must: + +- create an eventfd using eventfd(2); +- open memory.pressure_level; +- write string like "<event_fd> <fd of memory.pressure_level> <level>" + to cgroup.event_control. + +Application will be notified through eventfd when memory pressure is at +the specific level (or higher). Read/write operations to +memory.pressure_level are no implemented. + +Test: + + Here is a small script example that makes a new cgroup, sets up a + memory limit, sets up a notification in the cgroup and then makes child + cgroup experience a critical pressure: + + # cd /sys/fs/cgroup/memory/ + # mkdir foo + # cd foo + # cgroup_event_listener memory.pressure_level low & + # echo 8000000 > memory.limit_in_bytes + # echo 8000000 > memory.memsw.limit_in_bytes + # echo $$ > tasks + # dd if=/dev/zero | read x + + (Expect a bunch of notifications, and eventually, the oom-killer will + trigger.) + +12. TODO 1. Add support for accounting huge pages (as a separate controller) 2. Make per-cgroup scanner reclaim not-shared pages first diff --git a/Documentation/cgroups/net_cls.txt b/Documentation/cgroups/net_cls.txt new file mode 100644 index 000000000000..9face6bb578a --- /dev/null +++ b/Documentation/cgroups/net_cls.txt @@ -0,0 +1,34 @@ +Network classifier cgroup +------------------------- + +The Network classifier cgroup provides an interface to +tag network packets with a class identifier (classid). + +The Traffic Controller (tc) can be used to assign +different priorities to packets from different cgroups. + +Creating a net_cls cgroups instance creates a net_cls.classid file. +This net_cls.classid value is initialized to 0. + +You can write hexadecimal values to net_cls.classid; the format for these +values is 0xAAAABBBB; AAAA is the major handle number and BBBB +is the minor handle number. +Reading net_cls.classid yields a decimal result. + +Example: +mkdir /sys/fs/cgroup/net_cls +mount -t cgroup -onet_cls net_cls /sys/fs/cgroup/net_cls +mkdir /sys/fs/cgroup/net_cls/0 +echo 0x100001 > /sys/fs/cgroup/net_cls/0/net_cls.classid + - setting a 10:1 handle. + +cat /sys/fs/cgroup/net_cls/0/net_cls.classid +1048577 + +configuring tc: +tc qdisc add dev eth0 root handle 10: htb + +tc class add dev eth0 parent 10: classid 10:1 htb rate 40mbit + - creating traffic class 10:1 + +tc filter add dev eth0 parent 10: protocol ip prio 10 handle 1: cgroup diff --git a/Documentation/clk.txt b/Documentation/clk.txt index 1943fae014fd..b9911c27f496 100644 --- a/Documentation/clk.txt +++ b/Documentation/clk.txt @@ -174,9 +174,9 @@ int clk_foo_enable(struct clk_hw *hw) }; Below is a matrix detailing which clk_ops are mandatory based upon the -hardware capbilities of that clock. A cell marked as "y" means +hardware capabilities of that clock. A cell marked as "y" means mandatory, a cell marked as "n" implies that either including that -callback is invalid or otherwise uneccesary. Empty cells are either +callback is invalid or otherwise unnecessary. Empty cells are either optional or must be evaluated on a case-by-case basis. clock hardware characteristics @@ -231,3 +231,14 @@ To better enforce this policy, always follow this simple rule: any statically initialized clock data MUST be defined in a separate file from the logic that implements its ops. Basically separate the logic from the data and all is well. + + Part 6 - Disabling clock gating of unused clocks + +Sometimes during development it can be useful to be able to bypass the +default disabling of unused clocks. For example, if drivers aren't enabling +clocks properly but rely on them being on from the bootloader, bypassing +the disabling means that the driver will remain functional while the issues +are sorted out. + +To bypass this disabling, include "clk_ignore_unused" in the bootargs to the +kernel. diff --git a/Documentation/cpu-freq/cpu-drivers.txt b/Documentation/cpu-freq/cpu-drivers.txt index 72f70b16d299..a3585eac83b6 100644 --- a/Documentation/cpu-freq/cpu-drivers.txt +++ b/Documentation/cpu-freq/cpu-drivers.txt @@ -108,8 +108,9 @@ policy->governor must contain the "default policy" for cpufreq_driver.target is called with these values. -For setting some of these values, the frequency table helpers might be -helpful. See the section 2 for more information on them. +For setting some of these values (cpuinfo.min[max]_freq, policy->min[max]), the +frequency table helpers might be helpful. See the section 2 for more information +on them. SMP systems normally have same clock source for a group of cpus. For these the .init() would be called only once for the first online cpu. Here the .init() @@ -184,10 +185,10 @@ the reference implementation in drivers/cpufreq/longrun.c As most cpufreq processors only allow for being set to a few specific frequencies, a "frequency table" with some functions might assist in some work of the processor driver. Such a "frequency table" consists -of an array of struct cpufreq_freq_table entries, with any value in +of an array of struct cpufreq_frequency_table entries, with any value in "index" you want to use, and the corresponding frequency in "frequency". At the end of the table, you need to add a -cpufreq_freq_table entry with frequency set to CPUFREQ_TABLE_END. And +cpufreq_frequency_table entry with frequency set to CPUFREQ_TABLE_END. And if you want to skip one entry in the table, set the frequency to CPUFREQ_ENTRY_INVALID. The entries don't need to be in ascending order. diff --git a/Documentation/cpu-freq/governors.txt b/Documentation/cpu-freq/governors.txt index c7a2eb8450c2..66f9cc310686 100644 --- a/Documentation/cpu-freq/governors.txt +++ b/Documentation/cpu-freq/governors.txt @@ -167,6 +167,27 @@ of load evaluation and helping the CPU stay at its top speed when truly busy, rather than shifting back and forth in speed. This tunable has no effect on behavior at lower speeds/lower CPU loads. +powersave_bias: this parameter takes a value between 0 to 1000. It +defines the percentage (times 10) value of the target frequency that +will be shaved off of the target. For example, when set to 100 -- 10%, +when ondemand governor would have targeted 1000 MHz, it will target +1000 MHz - (10% of 1000 MHz) = 900 MHz instead. This is set to 0 +(disabled) by default. +When AMD frequency sensitivity powersave bias driver -- +drivers/cpufreq/amd_freq_sensitivity.c is loaded, this parameter +defines the workload frequency sensitivity threshold in which a lower +frequency is chosen instead of ondemand governor's original target. +The frequency sensitivity is a hardware reported (on AMD Family 16h +Processors and above) value between 0 to 100% that tells software how +the performance of the workload running on a CPU will change when +frequency changes. A workload with sensitivity of 0% (memory/IO-bound) +will not perform any better on higher core frequency, whereas a +workload with sensitivity of 100% (CPU-bound) will perform better +higher the frequency. When the driver is loaded, this is set to 400 +by default -- for CPUs running workloads with sensitivity value below +40%, a lower frequency is chosen. Unloading the driver or writing 0 +will disable this feature. + 2.5 Conservative ---------------- @@ -191,6 +212,12 @@ governor but for the opposite direction. For example when set to its default value of '20' it means that if the CPU usage needs to be below 20% between samples to have the frequency decreased. +sampling_down_factor: similar functionality as in "ondemand" governor. +But in "conservative", it controls the rate at which the kernel makes +a decision on when to decrease the frequency while running in any +speed. Load for frequency increase is still evaluated every +sampling rate. + 3. The Governor Interface in the CPUfreq Core ============================================= diff --git a/Documentation/cpuidle/driver.txt b/Documentation/cpuidle/driver.txt index 7a9e09ece931..1b0d81d92583 100644 --- a/Documentation/cpuidle/driver.txt +++ b/Documentation/cpuidle/driver.txt @@ -15,11 +15,17 @@ has mechanisms in place to support actual entry-exit into CPU idle states. cpuidle driver initializes the cpuidle_device structure for each CPU device and registers with cpuidle using cpuidle_register_device. +If all the idle states are the same, the wrapper function cpuidle_register +could be used instead. + It can also support the dynamic changes (like battery <-> AC), by using cpuidle_pause_and_lock, cpuidle_disable_device and cpuidle_enable_device, cpuidle_resume_and_unlock. Interfaces: +extern int cpuidle_register(struct cpuidle_driver *drv, + const struct cpumask *const coupled_cpus); +extern int cpuidle_unregister(struct cpuidle_driver *drv); extern int cpuidle_register_driver(struct cpuidle_driver *drv); extern void cpuidle_unregister_driver(struct cpuidle_driver *drv); extern int cpuidle_register_device(struct cpuidle_device *dev); diff --git a/Documentation/device-mapper/dm-raid.txt b/Documentation/device-mapper/dm-raid.txt index b428556197c9..e9192283e5a5 100644 --- a/Documentation/device-mapper/dm-raid.txt +++ b/Documentation/device-mapper/dm-raid.txt @@ -1,10 +1,13 @@ dm-raid -------- +======= The device-mapper RAID (dm-raid) target provides a bridge from DM to MD. It allows the MD RAID drivers to be accessed using a device-mapper interface. + +Mapping Table Interface +----------------------- The target is named "raid" and it accepts the following parameters: <raid_type> <#raid_params> <raid_params> \ @@ -47,7 +50,7 @@ The target is named "raid" and it accepts the following parameters: followed by optional parameters (in any order): [sync|nosync] Force or prevent RAID initialization. - [rebuild <idx>] Rebuild drive number idx (first drive is 0). + [rebuild <idx>] Rebuild drive number 'idx' (first drive is 0). [daemon_sleep <ms>] Interval between runs of the bitmap daemon that @@ -56,9 +59,9 @@ The target is named "raid" and it accepts the following parameters: [min_recovery_rate <kB/sec/disk>] Throttle RAID initialization [max_recovery_rate <kB/sec/disk>] Throttle RAID initialization - [write_mostly <idx>] Drive index is write-mostly - [max_write_behind <sectors>] See '-write-behind=' (man mdadm) - [stripe_cache <sectors>] Stripe cache size (higher RAIDs only) + [write_mostly <idx>] Mark drive index 'idx' write-mostly. + [max_write_behind <sectors>] See '--write-behind=' (man mdadm) + [stripe_cache <sectors>] Stripe cache size (RAID 4/5/6 only) [region_size <sectors>] The region_size multiplied by the number of regions is the logical size of the array. The bitmap records the device @@ -122,7 +125,7 @@ The target is named "raid" and it accepts the following parameters: given for both the metadata and data drives for a given position. -Example tables +Example Tables -------------- # RAID4 - 4 data drives, 1 parity (no metadata devices) # No metadata devices specified to hold superblock/bitmap info @@ -141,26 +144,70 @@ Example tables raid4 4 2048 sync min_recovery_rate 20 \ 5 8:17 8:18 8:33 8:34 8:49 8:50 8:65 8:66 8:81 8:82 + +Status Output +------------- 'dmsetup table' displays the table used to construct the mapping. The optional parameters are always printed in the order listed above with "sync" or "nosync" always output ahead of the other arguments, regardless of the order used when originally loading the table. Arguments that can be repeated are ordered by value. -'dmsetup status' yields information on the state and health of the -array. -The output is as follows: + +'dmsetup status' yields information on the state and health of the array. +The output is as follows (normally a single line, but expanded here for +clarity): 1: <s> <l> raid \ -2: <raid_type> <#devices> <1 health char for each dev> <resync_ratio> +2: <raid_type> <#devices> <health_chars> \ +3: <sync_ratio> <sync_action> <mismatch_cnt> Line 1 is the standard output produced by device-mapper. -Line 2 is produced by the raid target, and best explained by example: - 0 1960893648 raid raid4 5 AAAAA 2/490221568 +Line 2 & 3 are produced by the raid target and are best explained by example: + 0 1960893648 raid raid4 5 AAAAA 2/490221568 init 0 Here we can see the RAID type is raid4, there are 5 devices - all of -which are 'A'live, and the array is 2/490221568 complete with recovery. -Faulty or missing devices are marked 'D'. Devices that are out-of-sync -are marked 'a'. - +which are 'A'live, and the array is 2/490221568 complete with its initial +recovery. Here is a fuller description of the individual fields: + <raid_type> Same as the <raid_type> used to create the array. + <health_chars> One char for each device, indicating: 'A' = alive and + in-sync, 'a' = alive but not in-sync, 'D' = dead/failed. + <sync_ratio> The ratio indicating how much of the array has undergone + the process described by 'sync_action'. If the + 'sync_action' is "check" or "repair", then the process + of "resync" or "recover" can be considered complete. + <sync_action> One of the following possible states: + idle - No synchronization action is being performed. + frozen - The current action has been halted. + resync - Array is undergoing its initial synchronization + or is resynchronizing after an unclean shutdown + (possibly aided by a bitmap). + recover - A device in the array is being rebuilt or + replaced. + check - A user-initiated full check of the array is + being performed. All blocks are read and + checked for consistency. The number of + discrepancies found are recorded in + <mismatch_cnt>. No changes are made to the + array by this action. + repair - The same as "check", but discrepancies are + corrected. + reshape - The array is undergoing a reshape. + <mismatch_cnt> The number of discrepancies found between mirror copies + in RAID1/10 or wrong parity values found in RAID4/5/6. + This value is valid only after a "check" of the array + is performed. A healthy array has a 'mismatch_cnt' of 0. + +Message Interface +----------------- +The dm-raid target will accept certain actions through the 'message' interface. +('man dmsetup' for more information on the message interface.) These actions +include: + "idle" - Halt the current sync action. + "frozen" - Freeze the current sync action. + "resync" - Initiate/continue a resync. + "recover"- Initiate/continue a recover process. + "check" - Initiate a check (i.e. a "scrub") of the array. + "repair" - Initiate a repair of the array. + "reshape"- Currently unsupported (-EINVAL). Version History --------------- @@ -171,4 +218,7 @@ Version History 1.3.1 Allow device replacement/rebuild for RAID 10 1.3.2 Fix/improve redundancy checking for RAID10 1.4.0 Non-functional change. Removes arg from mapping function. -1.4.1 Add RAID10 "far" and "offset" algorithm support. +1.4.1 RAID10 fix redundancy validation checks (commit 55ebbb5). +1.4.2 Add RAID10 "far" and "offset" algorithm support. +1.5.0 Add message interface to allow manipulation of the sync_action. + New status (STATUSTYPE_INFO) fields: sync_action and mismatch_cnt. diff --git a/Documentation/devicetree/bindings/arm/altera/socfpga-clk-manager.txt b/Documentation/devicetree/bindings/arm/altera/socfpga-clk-manager.txt new file mode 100644 index 000000000000..2c28f1d12f45 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/altera/socfpga-clk-manager.txt @@ -0,0 +1,11 @@ +Altera SOCFPGA Clock Manager + +Required properties: +- compatible : "altr,clk-mgr" +- reg : Should contain base address and length for Clock Manager + +Example: + clkmgr@ffd04000 { + compatible = "altr,clk-mgr"; + reg = <0xffd04000 0x1000>; + }; diff --git a/Documentation/devicetree/bindings/arm/atmel-adc.txt b/Documentation/devicetree/bindings/arm/atmel-adc.txt index c63097d6afeb..16769d9cedd6 100644 --- a/Documentation/devicetree/bindings/arm/atmel-adc.txt +++ b/Documentation/devicetree/bindings/arm/atmel-adc.txt @@ -14,9 +14,19 @@ Required properties: - atmel,adc-status-register: Offset of the Interrupt Status Register - atmel,adc-trigger-register: Offset of the Trigger Register - atmel,adc-vref: Reference voltage in millivolts for the conversions + - atmel,adc-res: List of resolution in bits supported by the ADC. List size + must be two at least. + - atmel,adc-res-names: Contains one identifier string for each resolution + in atmel,adc-res property. "lowres" and "highres" + identifiers are required. Optional properties: - atmel,adc-use-external: Boolean to enable of external triggers + - atmel,adc-use-res: String corresponding to an identifier from + atmel,adc-res-names property. If not specified, the highest + resolution will be used. + - atmel,adc-sleep-mode: Boolean to enable sleep mode when no conversion + - atmel,adc-sample-hold-time: Sample and Hold Time in microseconds Optional trigger Nodes: - Required properties: @@ -40,6 +50,9 @@ adc0: adc@fffb0000 { atmel,adc-trigger-register = <0x08>; atmel,adc-use-external; atmel,adc-vref = <3300>; + atmel,adc-res = <8 10>; + atmel,adc-res-names = "lowres", "highres"; + atmel,adc-use-res = "lowres"; trigger@0 { trigger-name = "external-rising"; diff --git a/Documentation/devicetree/bindings/arm/bcm/bcm,kona-timer.txt b/Documentation/devicetree/bindings/arm/bcm/bcm,kona-timer.txt new file mode 100644 index 000000000000..59fa6e68d4f6 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/bcm/bcm,kona-timer.txt @@ -0,0 +1,19 @@ +Broadcom Kona Family timer +----------------------------------------------------- +This timer is used in the following Broadcom SoCs: + BCM11130, BCM11140, BCM11351, BCM28145, BCM28155 + +Required properties: +- compatible : "bcm,kona-timer" +- reg : Register range for the timer +- interrupts : interrupt for the timer +- clock-frequency: frequency that the clock operates + +Example: + timer@35006000 { + compatible = "bcm,kona-timer"; + reg = <0x35006000 0x1000>; + interrupts = <0x0 7 0x4>; + clock-frequency = <32768>; + }; + diff --git a/Documentation/devicetree/bindings/arm/msm/ssbi.txt b/Documentation/devicetree/bindings/arm/msm/ssbi.txt new file mode 100644 index 000000000000..54fd5ced3401 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/msm/ssbi.txt @@ -0,0 +1,18 @@ +* Qualcomm SSBI + +Some Qualcomm MSM devices contain a point-to-point serial bus used to +communicate with a limited range of devices (mostly power management +chips). + +These require the following properties: + +- compatible: "qcom,ssbi" + +- qcom,controller-type + indicates the SSBI bus variant the controller should use to talk + with the slave device. This should be one of "ssbi", "ssbi2", or + "pmic-arbiter". The type chosen is determined by the attached + slave. + +The slave device should be the single child node of the ssbi device +with a compatible field. diff --git a/Documentation/devicetree/bindings/arm/msm/timer.txt b/Documentation/devicetree/bindings/arm/msm/timer.txt index 8c5907b9cae8..c6ef8f13dc7e 100644 --- a/Documentation/devicetree/bindings/arm/msm/timer.txt +++ b/Documentation/devicetree/bindings/arm/msm/timer.txt @@ -3,36 +3,35 @@ Properties: - compatible : Should at least contain "qcom,msm-timer". More specific - properties such as "qcom,msm-gpt" and "qcom,msm-dgt" specify a general - purpose timer and a debug timer respectively. + properties specify which subsystem the timers are paired with. -- interrupts : Interrupt indicating a match event. + "qcom,kpss-timer" - krait subsystem + "qcom,scss-timer" - scorpion subsystem -- reg : Specifies the base address of the timer registers. The second region - specifies an optional register used to configure the clock divider. +- interrupts : Interrupts for the the debug timer, the first general purpose + timer, and optionally a second general purpose timer in that + order. -- clock-frequency : The frequency of the timer in Hz. +- reg : Specifies the base address of the timer registers. + +- clock-frequency : The frequency of the debug timer and the general purpose + timer(s) in Hz in that order. Optional: - cpu-offset : per-cpu offset used when the timer is accessed without the - CPU remapping facilities. The offset is cpu-offset * cpu-nr. + CPU remapping facilities. The offset is + cpu-offset + (0x10000 * cpu-nr). Example: - timer@200a004 { - compatible = "qcom,msm-gpt", "qcom,msm-timer"; - interrupts = <1 2 0x301>; - reg = <0x0200a004 0x10>; - clock-frequency = <32768>; - cpu-offset = <0x40000>; - }; - - timer@200a024 { - compatible = "qcom,msm-dgt", "qcom,msm-timer"; - interrupts = <1 3 0x301>; - reg = <0x0200a024 0x10>, - <0x0200a034 0x4>; - clock-frequency = <6750000>; + timer@200a000 { + compatible = "qcom,scss-timer", "qcom,msm-timer"; + interrupts = <1 1 0x301>, + <1 2 0x301>, + <1 3 0x301>; + reg = <0x0200a000 0x100>; + clock-frequency = <19200000>, + <32768>; cpu-offset = <0x40000>; }; diff --git a/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt b/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt new file mode 100644 index 000000000000..47ada1dff216 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt @@ -0,0 +1,60 @@ +Samsung Exynos Analog to Digital Converter bindings + +The devicetree bindings are for the new ADC driver written for +Exynos4 and upward SoCs from Samsung. + +New driver handles the following +1. Supports ADC IF found on EXYNOS4412/EXYNOS5250 + and future SoCs from Samsung +2. Add ADC driver under iio/adc framework +3. Also adds the Documentation for device tree bindings + +Required properties: +- compatible: Must be "samsung,exynos-adc-v1" + for exynos4412/5250 controllers. + Must be "samsung,exynos-adc-v2" for + future controllers. +- reg: Contains ADC register address range (base address and + length) and the address of the phy enable register. +- interrupts: Contains the interrupt information for the timer. The + format is being dependent on which interrupt controller + the Samsung device uses. +- #io-channel-cells = <1>; As ADC has multiple outputs +- clocks From common clock binding: handle to adc clock. +- clock-names From common clock binding: Shall be "adc". +- vdd-supply VDD input supply. + +Note: child nodes can be added for auto probing from device tree. + +Example: adding device info in dtsi file + +adc: adc@12D10000 { + compatible = "samsung,exynos-adc-v1"; + reg = <0x12D10000 0x100>, <0x10040718 0x4>; + interrupts = <0 106 0>; + #io-channel-cells = <1>; + io-channel-ranges; + + clocks = <&clock 303>; + clock-names = "adc"; + + vdd-supply = <&buck5_reg>; +}; + + +Example: Adding child nodes in dts file + +adc@12D10000 { + + /* NTC thermistor is a hwmon device */ + ncp15wb473@0 { + compatible = "ntc,ncp15wb473"; + pullup-uV = <1800000>; + pullup-ohm = <47000>; + pulldown-ohm = <0>; + io-channels = <&adc 4>; + }; +}; + +Note: Does not apply to ADC driver under arch/arm/plat-samsung/ +Note: The child node can be added under the adc node or separately. diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt index b5846e21cc2e..1608a54e90e1 100644 --- a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt +++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.txt @@ -1,19 +1,84 @@ NVIDIA Tegra Power Management Controller (PMC) -Properties: +The PMC block interacts with an external Power Management Unit. The PMC +mostly controls the entry and exit of the system from different sleep +modes. It provides power-gating controllers for SoC and CPU power-islands. + +Required properties: - name : Should be pmc - compatible : Should contain "nvidia,tegra<chip>-pmc". - reg : Offset and length of the register set for the device +- clocks : Must contain an entry for each entry in clock-names. +- clock-names : Must include the following entries: + "pclk" (The Tegra clock of that name), + "clk32k_in" (The 32KHz clock input to Tegra). + +Optional properties: - nvidia,invert-interrupt : If present, inverts the PMU interrupt signal. The PMU is an external Power Management Unit, whose interrupt output signal is fed into the PMC. This signal is optionally inverted, and then fed into the ARM GIC. The PMC is not involved in the detection or handling of this interrupt signal, merely its inversion. +- nvidia,suspend-mode : The suspend mode that the platform should use. + Valid values are 0, 1 and 2: + 0 (LP0): CPU + Core voltage off and DRAM in self-refresh + 1 (LP1): CPU voltage off and DRAM in self-refresh + 2 (LP2): CPU voltage off +- nvidia,core-power-req-active-high : Boolean, core power request active-high +- nvidia,sys-clock-req-active-high : Boolean, system clock request active-high +- nvidia,combined-power-req : Boolean, combined power request for CPU & Core +- nvidia,cpu-pwr-good-en : Boolean, CPU power good signal (from PMIC to PMC) + is enabled. + +Required properties when nvidia,suspend-mode is specified: +- nvidia,cpu-pwr-good-time : CPU power good time in uS. +- nvidia,cpu-pwr-off-time : CPU power off time in uS. +- nvidia,core-pwr-good-time : <Oscillator-stable-time Power-stable-time> + Core power good time in uS. +- nvidia,core-pwr-off-time : Core power off time in uS. + +Required properties when nvidia,suspend-mode=<0>: +- nvidia,lp0-vec : <start length> Starting address and length of LP0 vector + The LP0 vector contains the warm boot code that is executed by AVP when + resuming from the LP0 state. The AVP (Audio-Video Processor) is an ARM7 + processor and always being the first boot processor when chip is power on + or resume from deep sleep mode. When the system is resumed from the deep + sleep mode, the warm boot code will restore some PLLs, clocks and then + bring up CPU0 for resuming the system. Example: +/ SoC dts including file pmc@7000f400 { compatible = "nvidia,tegra20-pmc"; reg = <0x7000e400 0x400>; + clocks = <&tegra_car 110>, <&clk32k_in>; + clock-names = "pclk", "clk32k_in"; nvidia,invert-interrupt; + nvidia,suspend-mode = <1>; + nvidia,cpu-pwr-good-time = <2000>; + nvidia,cpu-pwr-off-time = <100>; + nvidia,core-pwr-good-time = <3845 3845>; + nvidia,core-pwr-off-time = <458>; + nvidia,core-power-req-active-high; + nvidia,sys-clock-req-active-high; + nvidia,lp0-vec = <0xbdffd000 0x2000>; +}; + +/ Tegra board dts file +{ + ... + clocks { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + clk32k_in: clock { + compatible = "fixed-clock"; + reg=<0>; + #clock-cells = <0>; + clock-frequency = <32768>; + }; + }; + ... }; diff --git a/Documentation/devicetree/bindings/ata/imx-pata.txt b/Documentation/devicetree/bindings/ata/imx-pata.txt new file mode 100644 index 000000000000..e38d73414b0d --- /dev/null +++ b/Documentation/devicetree/bindings/ata/imx-pata.txt @@ -0,0 +1,17 @@ +* Freescale i.MX PATA Controller + +Required properties: +- compatible: "fsl,imx27-pata" +- reg: Address range of the PATA Controller +- interrupts: The interrupt of the PATA Controller +- clocks: the clocks for the PATA Controller + +Example: + + pata: pata@83fe0000 { + compatible = "fsl,imx51-pata", "fsl,imx27-pata"; + reg = <0x83fe0000 0x4000>; + interrupts = <70>; + clocks = <&clks 161>; + status = "disabled"; + }; diff --git a/Documentation/devicetree/bindings/clock/altr_socfpga.txt b/Documentation/devicetree/bindings/clock/altr_socfpga.txt new file mode 100644 index 000000000000..bd0c8416a5c8 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/altr_socfpga.txt @@ -0,0 +1,18 @@ +Device Tree Clock bindings for Altera's SoCFPGA platform + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be one of the following: + "altr,socfpga-pll-clock" - for a PLL clock + "altr,socfpga-perip-clock" - The peripheral clock divided from the + PLL clock. +- reg : shall be the control register offset from CLOCK_MANAGER's base for the clock. +- clocks : shall be the input parent clock phandle for the clock. This is + either an oscillator or a pll output. +- #clock-cells : from common clock binding, shall be set to 0. + +Optional properties: +- fixed-divider : If clocks have a fixed divider value, use this property. diff --git a/Documentation/devicetree/bindings/clock/axi-clkgen.txt b/Documentation/devicetree/bindings/clock/axi-clkgen.txt new file mode 100644 index 000000000000..028b493e97ff --- /dev/null +++ b/Documentation/devicetree/bindings/clock/axi-clkgen.txt @@ -0,0 +1,22 @@ +Binding for the axi-clkgen clock generator + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "adi,axi-clkgen". +- #clock-cells : from common clock binding; Should always be set to 0. +- reg : Address and length of the axi-clkgen register set. +- clocks : Phandle and clock specifier for the parent clock. + +Optional properties: +- clock-output-names : From common clock binding. + +Example: + clock@0xff000000 { + compatible = "adi,axi-clkgen"; + #clock-cells = <0>; + reg = <0xff000000 0x1000>; + clocks = <&osc 1>; + }; diff --git a/Documentation/devicetree/bindings/clock/fixed-factor-clock.txt b/Documentation/devicetree/bindings/clock/fixed-factor-clock.txt new file mode 100644 index 000000000000..5757f9abfc26 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/fixed-factor-clock.txt @@ -0,0 +1,24 @@ +Binding for simple fixed factor rate clock sources. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be "fixed-factor-clock". +- #clock-cells : from common clock binding; shall be set to 0. +- clock-div: fixed divider. +- clock-mult: fixed multiplier. +- clocks: parent clock. + +Optional properties: +- clock-output-names : From common clock binding. + +Example: + clock { + compatible = "fixed-factor-clock"; + clocks = <&parentclk>; + #clock-cells = <0>; + div = <2>; + mult = <1>; + }; diff --git a/Documentation/devicetree/bindings/clock/imx27-clock.txt b/Documentation/devicetree/bindings/clock/imx27-clock.txt new file mode 100644 index 000000000000..ab1a56e9de9d --- /dev/null +++ b/Documentation/devicetree/bindings/clock/imx27-clock.txt @@ -0,0 +1,117 @@ +* Clock bindings for Freescale i.MX27 + +Required properties: +- compatible: Should be "fsl,imx27-ccm" +- reg: Address and length of the register set +- interrupts: Should contain CCM interrupt +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. The following is a full list of i.MX27 +clocks and IDs. + + Clock ID + ----------------------- + dummy 0 + ckih 1 + ckil 2 + mpll 3 + spll 4 + mpll_main2 5 + ahb 6 + ipg 7 + nfc_div 8 + per1_div 9 + per2_div 10 + per3_div 11 + per4_div 12 + vpu_sel 13 + vpu_div 14 + usb_div 15 + cpu_sel 16 + clko_sel 17 + cpu_div 18 + clko_div 19 + ssi1_sel 20 + ssi2_sel 21 + ssi1_div 22 + ssi2_div 23 + clko_en 24 + ssi2_ipg_gate 25 + ssi1_ipg_gate 26 + slcdc_ipg_gate 27 + sdhc3_ipg_gate 28 + sdhc2_ipg_gate 29 + sdhc1_ipg_gate 30 + scc_ipg_gate 31 + sahara_ipg_gate 32 + rtc_ipg_gate 33 + pwm_ipg_gate 34 + owire_ipg_gate 35 + lcdc_ipg_gate 36 + kpp_ipg_gate 37 + iim_ipg_gate 38 + i2c2_ipg_gate 39 + i2c1_ipg_gate 40 + gpt6_ipg_gate 41 + gpt5_ipg_gate 42 + gpt4_ipg_gate 43 + gpt3_ipg_gate 44 + gpt2_ipg_gate 45 + gpt1_ipg_gate 46 + gpio_ipg_gate 47 + fec_ipg_gate 48 + emma_ipg_gate 49 + dma_ipg_gate 50 + cspi3_ipg_gate 51 + cspi2_ipg_gate 52 + cspi1_ipg_gate 53 + nfc_baud_gate 54 + ssi2_baud_gate 55 + ssi1_baud_gate 56 + vpu_baud_gate 57 + per4_gate 58 + per3_gate 59 + per2_gate 60 + per1_gate 61 + usb_ahb_gate 62 + slcdc_ahb_gate 63 + sahara_ahb_gate 64 + lcdc_ahb_gate 65 + vpu_ahb_gate 66 + fec_ahb_gate 67 + emma_ahb_gate 68 + emi_ahb_gate 69 + dma_ahb_gate 70 + csi_ahb_gate 71 + brom_ahb_gate 72 + ata_ahb_gate 73 + wdog_ipg_gate 74 + usb_ipg_gate 75 + uart6_ipg_gate 76 + uart5_ipg_gate 77 + uart4_ipg_gate 78 + uart3_ipg_gate 79 + uart2_ipg_gate 80 + uart1_ipg_gate 81 + ckih_div1p5 82 + fpm 83 + mpll_osc_sel 84 + mpll_sel 85 + +Examples: + +clks: ccm@10027000{ + compatible = "fsl,imx27-ccm"; + reg = <0x10027000 0x1000>; + #clock-cells = <1>; +}; + +uart1: serial@1000a000 { + compatible = "fsl,imx27-uart", "fsl,imx21-uart"; + reg = <0x1000a000 0x1000>; + interrupts = <20>; + clocks = <&clks 81>, <&clks 61>; + clock-names = "ipg", "per"; + status = "disabled"; +}; diff --git a/Documentation/devicetree/bindings/clock/silabs,si5351.txt b/Documentation/devicetree/bindings/clock/silabs,si5351.txt new file mode 100644 index 000000000000..cc374651662c --- /dev/null +++ b/Documentation/devicetree/bindings/clock/silabs,si5351.txt @@ -0,0 +1,114 @@ +Binding for Silicon Labs Si5351a/b/c programmable i2c clock generator. + +Reference +[1] Si5351A/B/C Data Sheet + http://www.silabs.com/Support%20Documents/TechnicalDocs/Si5351.pdf + +The Si5351a/b/c are programmable i2c clock generators with upto 8 output +clocks. Si5351a also has a reduced pin-count package (MSOP10) where only +3 output clocks are accessible. The internal structure of the clock +generators can be found in [1]. + +==I2C device node== + +Required properties: +- compatible: shall be one of "silabs,si5351{a,a-msop,b,c}". +- reg: i2c device address, shall be 0x60 or 0x61. +- #clock-cells: from common clock binding; shall be set to 1. +- clocks: from common clock binding; list of parent clock + handles, shall be xtal reference clock or xtal and clkin for + si5351c only. +- #address-cells: shall be set to 1. +- #size-cells: shall be set to 0. + +Optional properties: +- silabs,pll-source: pair of (number, source) for each pll. Allows + to overwrite clock source of pll A (number=0) or B (number=1). + +==Child nodes== + +Each of the clock outputs can be overwritten individually by +using a child node to the I2C device node. If a child node for a clock +output is not set, the eeprom configuration is not overwritten. + +Required child node properties: +- reg: number of clock output. + +Optional child node properties: +- silabs,clock-source: source clock of the output divider stage N, shall be + 0 = multisynth N + 1 = multisynth 0 for output clocks 0-3, else multisynth4 + 2 = xtal + 3 = clkin (si5351c only) +- silabs,drive-strength: output drive strength in mA, shall be one of {2,4,6,8}. +- silabs,multisynth-source: source pll A(0) or B(1) of corresponding multisynth + divider. +- silabs,pll-master: boolean, multisynth can change pll frequency. + +==Example== + +/* 25MHz reference crystal */ +ref25: ref25M { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; +}; + +i2c-master-node { + + /* Si5351a msop10 i2c clock generator */ + si5351a: clock-generator@60 { + compatible = "silabs,si5351a-msop"; + reg = <0x60>; + #address-cells = <1>; + #size-cells = <0>; + #clock-cells = <1>; + + /* connect xtal input to 25MHz reference */ + clocks = <&ref25>; + + /* connect xtal input as source of pll0 and pll1 */ + silabs,pll-source = <0 0>, <1 0>; + + /* + * overwrite clkout0 configuration with: + * - 8mA output drive strength + * - pll0 as clock source of multisynth0 + * - multisynth0 as clock source of output divider + * - multisynth0 can change pll0 + * - set initial clock frequency of 74.25MHz + */ + clkout0 { + reg = <0>; + silabs,drive-strength = <8>; + silabs,multisynth-source = <0>; + silabs,clock-source = <0>; + silabs,pll-master; + clock-frequency = <74250000>; + }; + + /* + * overwrite clkout1 configuration with: + * - 4mA output drive strength + * - pll1 as clock source of multisynth1 + * - multisynth1 as clock source of output divider + * - multisynth1 can change pll1 + */ + clkout1 { + reg = <1>; + silabs,drive-strength = <4>; + silabs,multisynth-source = <1>; + silabs,clock-source = <0>; + pll-master; + }; + + /* + * overwrite clkout2 configuration with: + * - xtal as clock source of output divider + */ + clkout2 { + reg = <2>; + silabs,clock-source = <2>; + }; + }; +}; diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt new file mode 100644 index 000000000000..729f52426fe1 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/sunxi.txt @@ -0,0 +1,151 @@ +Device Tree Clock bindings for arch-sunxi + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : shall be one of the following: + "allwinner,sun4i-osc-clk" - for a gatable oscillator + "allwinner,sun4i-pll1-clk" - for the main PLL clock + "allwinner,sun4i-cpu-clk" - for the CPU multiplexer clock + "allwinner,sun4i-axi-clk" - for the AXI clock + "allwinner,sun4i-axi-gates-clk" - for the AXI gates + "allwinner,sun4i-ahb-clk" - for the AHB clock + "allwinner,sun4i-ahb-gates-clk" - for the AHB gates + "allwinner,sun4i-apb0-clk" - for the APB0 clock + "allwinner,sun4i-apb0-gates-clk" - for the APB0 gates + "allwinner,sun4i-apb1-clk" - for the APB1 clock + "allwinner,sun4i-apb1-mux-clk" - for the APB1 clock muxing + "allwinner,sun4i-apb1-gates-clk" - for the APB1 gates + +Required properties for all clocks: +- reg : shall be the control register address for the clock. +- clocks : shall be the input parent clock(s) phandle for the clock +- #clock-cells : from common clock binding; shall be set to 0 except for + "allwinner,sun4i-*-gates-clk" where it shall be set to 1 + +Additionally, "allwinner,sun4i-*-gates-clk" clocks require: +- clock-output-names : the corresponding gate names that the clock controls + +For example: + +osc24M: osc24M@01c20050 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-osc-clk"; + reg = <0x01c20050 0x4>; + clocks = <&osc24M_fixed>; +}; + +pll1: pll1@01c20000 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-pll1-clk"; + reg = <0x01c20000 0x4>; + clocks = <&osc24M>; +}; + +cpu: cpu@01c20054 { + #clock-cells = <0>; + compatible = "allwinner,sun4i-cpu-clk"; + reg = <0x01c20054 0x4>; + clocks = <&osc32k>, <&osc24M>, <&pll1>; +}; + + + +Gate clock outputs + +The "allwinner,sun4i-*-gates-clk" clocks provide several gatable outputs; +their corresponding offsets as present on sun4i are listed below. Note that +some of these gates are not present on sun5i. + + * AXI gates ("allwinner,sun4i-axi-gates-clk") + + DRAM 0 + + * AHB gates ("allwinner,sun4i-ahb-gates-clk") + + USB0 0 + EHCI0 1 + OHCI0 2* + EHCI1 3 + OHCI1 4* + SS 5 + DMA 6 + BIST 7 + MMC0 8 + MMC1 9 + MMC2 10 + MMC3 11 + MS 12** + NAND 13 + SDRAM 14 + + ACE 16 + EMAC 17 + TS 18 + + SPI0 20 + SPI1 21 + SPI2 22 + SPI3 23 + PATA 24 + SATA 25** + GPS 26* + + VE 32 + TVD 33 + TVE0 34 + TVE1 35 + LCD0 36 + LCD1 37 + + CSI0 40 + CSI1 41 + + HDMI 43 + DE_BE0 44 + DE_BE1 45 + DE_FE0 46 + DE_FE1 47 + + MP 50 + + MALI400 52 + + * APB0 gates ("allwinner,sun4i-apb0-gates-clk") + + CODEC 0 + SPDIF 1* + AC97 2 + IIS 3 + + PIO 5 + IR0 6 + IR1 7 + + KEYPAD 10 + + * APB1 gates ("allwinner,sun4i-apb1-gates-clk") + + I2C0 0 + I2C1 1 + I2C2 2 + + CAN 4 + SCR 5 + PS20 6 + PS21 7 + + UART0 16 + UART1 17 + UART2 18 + UART3 19 + UART4 20 + UART5 21 + UART6 22 + UART7 23 + +Notation: + [*]: The datasheet didn't mention these, but they are present on AW code + [**]: The datasheet had this marked as "NC" but they are used on AW code diff --git a/Documentation/devicetree/bindings/cpufreq/arm_big_little_dt.txt b/Documentation/devicetree/bindings/cpufreq/arm_big_little_dt.txt new file mode 100644 index 000000000000..0715695e94a9 --- /dev/null +++ b/Documentation/devicetree/bindings/cpufreq/arm_big_little_dt.txt @@ -0,0 +1,65 @@ +Generic ARM big LITTLE cpufreq driver's DT glue +----------------------------------------------- + +This is DT specific glue layer for generic cpufreq driver for big LITTLE +systems. + +Both required and optional properties listed below must be defined +under node /cpus/cpu@x. Where x is the first cpu inside a cluster. + +FIXME: Cpus should boot in the order specified in DT and all cpus for a cluster +must be present contiguously. Generic DT driver will check only node 'x' for +cpu:x. + +Required properties: +- operating-points: Refer to Documentation/devicetree/bindings/power/opp.txt + for details + +Optional properties: +- clock-latency: Specify the possible maximum transition latency for clock, + in unit of nanoseconds. + +Examples: + +cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,cortex-a15"; + reg = <0>; + next-level-cache = <&L2>; + operating-points = < + /* kHz uV */ + 792000 1100000 + 396000 950000 + 198000 850000 + >; + clock-latency = <61036>; /* two CLK32 periods */ + }; + + cpu@1 { + compatible = "arm,cortex-a15"; + reg = <1>; + next-level-cache = <&L2>; + }; + + cpu@100 { + compatible = "arm,cortex-a7"; + reg = <100>; + next-level-cache = <&L2>; + operating-points = < + /* kHz uV */ + 792000 950000 + 396000 750000 + 198000 450000 + >; + clock-latency = <61036>; /* two CLK32 periods */ + }; + + cpu@101 { + compatible = "arm,cortex-a7"; + reg = <101>; + next-level-cache = <&L2>; + }; +}; diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt b/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt index 4416ccc33472..051f764bedb8 100644 --- a/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-cpu0.txt @@ -32,7 +32,7 @@ cpus { 396000 950000 198000 850000 >; - transition-latency = <61036>; /* two CLK32 periods */ + clock-latency = <61036>; /* two CLK32 periods */ }; cpu@1 { diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-exynos5440.txt b/Documentation/devicetree/bindings/cpufreq/cpufreq-exynos5440.txt new file mode 100644 index 000000000000..caff1a57436f --- /dev/null +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-exynos5440.txt @@ -0,0 +1,28 @@ + +Exynos5440 cpufreq driver +------------------- + +Exynos5440 SoC cpufreq driver for CPU frequency scaling. + +Required properties: +- interrupts: Interrupt to know the completion of cpu frequency change. +- operating-points: Table of frequencies and voltage CPU could be transitioned into, + in the decreasing order. Frequency should be in KHz units and voltage + should be in microvolts. + +Optional properties: +- clock-latency: Clock monitor latency in microsecond. + +All the required listed above must be defined under node cpufreq. + +Example: +-------- + cpufreq@160000 { + compatible = "samsung,exynos5440-cpufreq"; + reg = <0x160000 0x1000>; + interrupts = <0 57 0>; + operating-points = < + 1000000 975000 + 800000 925000>; + clock-latency = <100000>; + }; diff --git a/Documentation/devicetree/bindings/gpio/gpio.txt b/Documentation/devicetree/bindings/gpio/gpio.txt index a33628759d36..d933af370697 100644 --- a/Documentation/devicetree/bindings/gpio/gpio.txt +++ b/Documentation/devicetree/bindings/gpio/gpio.txt @@ -98,7 +98,7 @@ announce the pinrange to the pin ctrl subsystem. For example, compatible = "fsl,qe-pario-bank-e", "fsl,qe-pario-bank"; reg = <0x1460 0x18>; gpio-controller; - gpio-ranges = <&pinctrl1 20 10>, <&pinctrl2 50 20>; + gpio-ranges = <&pinctrl1 0 20 10>, <&pinctrl2 10 50 20>; } @@ -107,8 +107,8 @@ where, Next values specify the base pin and number of pins for the range handled by 'qe_pio_e' gpio. In the given example from base pin 20 to - pin 29 under pinctrl1 and pin 50 to pin 69 under pinctrl2 is handled - by this gpio controller. + pin 29 under pinctrl1 with gpio offset 0 and pin 50 to pin 69 under + pinctrl2 with gpio offset 10 is handled by this gpio controller. The pinctrl node must have "#gpio-range-cells" property to show number of arguments to pass with phandle from gpio controllers node. diff --git a/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt new file mode 100644 index 000000000000..c6f66674f19c --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/ntc_thermistor.txt @@ -0,0 +1,29 @@ +NTC Thermistor hwmon sensors +------------------------------- + +Requires node properties: +- "compatible" value : one of + "ntc,ncp15wb473" + "ntc,ncp18wb473" + "ntc,ncp21wb473" + "ntc,ncp03wb473" + "ntc,ncp15wl333" +- "pullup-uv" Pull up voltage in micro volts +- "pullup-ohm" Pull up resistor value in ohms +- "pulldown-ohm" Pull down resistor value in ohms +- "connected-positive" Always ON, If not specified. + Status change is possible. +- "io-channels" Channel node of ADC to be used for + conversion. + +Read more about iio bindings at + Documentation/devicetree/bindings/iio/iio-bindings.txt + +Example: + ncp15wb473@0 { + compatible = "ntc,ncp15wb473"; + pullup-uv = <1800000>; + pullup-ohm = <47000>; + pulldown-ohm = <0>; + io-channels = <&adc 3>; + }; diff --git a/Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt b/Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt index f98d4c5b5cca..296eb4536129 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-s3c2410.txt @@ -26,7 +26,7 @@ Required for all cases except "samsung,s3c2440-hdmiphy-i2c": - pinctrl-names: Should contain only one value - "default". Optional properties: - - samsung,i2c-slave-addr: Slave address in multi-master enviroment. If not + - samsung,i2c-slave-addr: Slave address in multi-master environment. If not specified, default value is 0. - samsung,i2c-max-bus-freq: Desired frequency in Hz of the bus. If not specified, the default value in Hz is 100000. diff --git a/Documentation/devicetree/bindings/i2c/trivial-devices.txt b/Documentation/devicetree/bindings/i2c/trivial-devices.txt index 446859fcdca4..ad6a73852f08 100644 --- a/Documentation/devicetree/bindings/i2c/trivial-devices.txt +++ b/Documentation/devicetree/bindings/i2c/trivial-devices.txt @@ -35,6 +35,8 @@ fsl,mc13892 MC13892: Power Management Integrated Circuit (PMIC) for i.MX35/51 fsl,mma8450 MMA8450Q: Xtrinsic Low-power, 3-axis Xtrinsic Accelerometer fsl,mpr121 MPR121: Proximity Capacitive Touch Sensor Controller fsl,sgtl5000 SGTL5000: Ultra Low-Power Audio Codec +infineon,slb9635tt Infineon SLB9635 (Soft-) I2C TPM (old protocol, max 100khz) +infineon,slb9645tt Infineon SLB9645 I2C TPM (new protocol, max 400khz) maxim,ds1050 5 Bit Programmable, Pulse-Width Modulator maxim,max1237 Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs maxim,max6625 9-Bit/12-Bit Temperature Sensors with I²C-Compatible Serial Interface diff --git a/Documentation/devicetree/bindings/iio/iio-bindings.txt b/Documentation/devicetree/bindings/iio/iio-bindings.txt new file mode 100644 index 000000000000..0b447d9ad196 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/iio-bindings.txt @@ -0,0 +1,97 @@ +This binding is derived from clock bindings, and based on suggestions +from Lars-Peter Clausen [1]. + +Sources of IIO channels can be represented by any node in the device +tree. Those nodes are designated as IIO providers. IIO consumer +nodes use a phandle and IIO specifier pair to connect IIO provider +outputs to IIO inputs. Similar to the gpio specifiers, an IIO +specifier is an array of one or more cells identifying the IIO +output on a device. The length of an IIO specifier is defined by the +value of a #io-channel-cells property in the IIO provider node. + +[1] http://marc.info/?l=linux-iio&m=135902119507483&w=2 + +==IIO providers== + +Required properties: +#io-channel-cells: Number of cells in an IIO specifier; Typically 0 for nodes + with a single IIO output and 1 for nodes with multiple + IIO outputs. + +Example for a simple configuration with no trigger: + + adc: voltage-sensor@35 { + compatible = "maxim,max1139"; + reg = <0x35>; + #io-channel-cells = <1>; + }; + +Example for a configuration with trigger: + + adc@35 { + compatible = "some-vendor,some-adc"; + reg = <0x35>; + + adc1: iio-device@0 { + #io-channel-cells = <1>; + /* other properties */ + }; + adc2: iio-device@1 { + #io-channel-cells = <1>; + /* other properties */ + }; + }; + +==IIO consumers== + +Required properties: +io-channels: List of phandle and IIO specifier pairs, one pair + for each IIO input to the device. Note: if the + IIO provider specifies '0' for #io-channel-cells, + then only the phandle portion of the pair will appear. + +Optional properties: +io-channel-names: + List of IIO input name strings sorted in the same + order as the io-channels property. Consumers drivers + will use io-channel-names to match IIO input names + with IIO specifiers. +io-channel-ranges: + Empty property indicating that child nodes can inherit named + IIO channels from this node. Useful for bus nodes to provide + and IIO channel to their children. + +For example: + + device { + io-channels = <&adc 1>, <&ref 0>; + io-channel-names = "vcc", "vdd"; + }; + +This represents a device with two IIO inputs, named "vcc" and "vdd". +The vcc channel is connected to output 1 of the &adc device, and the +vdd channel is connected to output 0 of the &ref device. + +==Example== + + adc: max1139@35 { + compatible = "maxim,max1139"; + reg = <0x35>; + #io-channel-cells = <1>; + }; + + ... + + iio_hwmon { + compatible = "iio-hwmon"; + io-channels = <&adc 0>, <&adc 1>, <&adc 2>, + <&adc 3>, <&adc 4>, <&adc 5>, + <&adc 6>, <&adc 7>, <&adc 8>, + <&adc 9>; + }; + + some_consumer { + compatible = "some-consumer"; + io-channels = <&adc 10>, <&adc 11>; + io-channel-names = "adc1", "adc2"; + }; diff --git a/Documentation/devicetree/bindings/input/ps2keyb-mouse-apbps2.txt b/Documentation/devicetree/bindings/input/ps2keyb-mouse-apbps2.txt new file mode 100644 index 000000000000..3029c5694cf6 --- /dev/null +++ b/Documentation/devicetree/bindings/input/ps2keyb-mouse-apbps2.txt @@ -0,0 +1,16 @@ +Aeroflex Gaisler APBPS2 PS/2 Core, supporting Keyboard or Mouse. + +The APBPS2 PS/2 core is available in the GRLIB VHDL IP core library. + +Note: In the ordinary environment for the APBPS2 core, a LEON SPARC system, +these properties are built from information in the AMBA plug&play and from +bootloader settings. + +Required properties: + +- name : Should be "GAISLER_APBPS2" or "01_060" +- reg : Address and length of the register set for the device +- interrupts : Interrupt numbers for this device + +For further information look in the documentation for the GLIB IP core library: +http://www.gaisler.com/products/grlib/grip.pdf diff --git a/Documentation/devicetree/bindings/input/touchscreen/auo_pixcir_ts.txt b/Documentation/devicetree/bindings/input/touchscreen/auo_pixcir_ts.txt new file mode 100644 index 000000000000..f40f21c642b9 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/auo_pixcir_ts.txt @@ -0,0 +1,30 @@ +* AUO in-cell touchscreen controller using Pixcir sensors + +Required properties: +- compatible: must be "auo,auo_pixcir_ts" +- reg: I2C address of the chip +- interrupts: interrupt to which the chip is connected +- gpios: gpios the chip is connected to + first one is the interrupt gpio and second one the reset gpio +- x-size: horizontal resolution of touchscreen +- y-size: vertical resolution of touchscreen + +Example: + + i2c@00000000 { + /* ... */ + + auo_pixcir_ts@5c { + compatible = "auo,auo_pixcir_ts"; + reg = <0x5c>; + interrupts = <2 0>; + + gpios = <&gpf 2 0 2>, /* INT */ + <&gpf 5 1 0>; /* RST */ + + x-size = <800>; + y-size = <600>; + }; + + /* ... */ + }; diff --git a/Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt b/Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt new file mode 100644 index 000000000000..64ad48b824a2 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt @@ -0,0 +1,24 @@ +* Sitronix st1232 touchscreen controller + +Required properties: +- compatible: must be "sitronix,st1232" +- reg: I2C address of the chip +- interrupts: interrupt to which the chip is connected + +Optional properties: +- gpios: a phandle to the reset GPIO + +Example: + + i2c@00000000 { + /* ... */ + + touchscreen@55 { + compatible = "sitronix,st1232"; + reg = <0x55>; + interrupts = <2 0>; + gpios = <&gpio1 166 0>; + }; + + /* ... */ + }; diff --git a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sunxi-ic.txt b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun4i-ic.txt index 7f9fb85f5456..e7f4dc14eff2 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sunxi-ic.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun4i-ic.txt @@ -2,7 +2,7 @@ Allwinner Sunxi Interrupt Controller Required properties: -- compatible : should be "allwinner,sunxi-ic" +- compatible : should be "allwinner,sun4i-ic" - reg : Specifies base physical address and size of the registers. - interrupt-controller : Identifies the node as an interrupt controller - #interrupt-cells : Specifies the number of cells needed to encode an @@ -97,7 +97,7 @@ The interrupt sources are as follows: Example: intc: interrupt-controller { - compatible = "allwinner,sunxi-ic"; + compatible = "allwinner,sun4i-ic"; reg = <0x01c20400 0x400>; interrupt-controller; #interrupt-cells = <2>; diff --git a/Documentation/devicetree/bindings/leds/tca6507.txt b/Documentation/devicetree/bindings/leds/tca6507.txt index 2b6693b972fb..80ff3dfb1f32 100644 --- a/Documentation/devicetree/bindings/leds/tca6507.txt +++ b/Documentation/devicetree/bindings/leds/tca6507.txt @@ -1,4 +1,4 @@ -LEDs conected to tca6507 +LEDs connected to tca6507 Required properties: - compatible : should be : "ti,tca6507". diff --git a/Documentation/devicetree/bindings/marvell.txt b/Documentation/devicetree/bindings/marvell.txt index f1533d91953a..f7a0da6b4022 100644 --- a/Documentation/devicetree/bindings/marvell.txt +++ b/Documentation/devicetree/bindings/marvell.txt @@ -115,6 +115,9 @@ prefixed with the string "marvell,", for Marvell Technology Group Ltd. - compatible : "marvell,mv64360-eth-block" - reg : Offset and length of the register set for this block + Optional properties: + - clocks : Phandle to the clock control device and gate bit + Example Discovery Ethernet block node: ethernet-block@2000 { #address-cells = <1>; diff --git a/Documentation/devicetree/bindings/media/coda.txt b/Documentation/devicetree/bindings/media/coda.txt new file mode 100644 index 000000000000..2865d04e4030 --- /dev/null +++ b/Documentation/devicetree/bindings/media/coda.txt @@ -0,0 +1,30 @@ +Chips&Media Coda multi-standard codec IP +======================================== + +Coda codec IPs are present in i.MX SoCs in various versions, +called VPU (Video Processing Unit). + +Required properties: +- compatible : should be "fsl,<chip>-src" for i.MX SoCs: + (a) "fsl,imx27-vpu" for CodaDx6 present in i.MX27 + (b) "fsl,imx53-vpu" for CODA7541 present in i.MX53 + (c) "fsl,imx6q-vpu" for CODA960 present in i.MX6q +- reg: should be register base and length as documented in the + SoC reference manual +- interrupts : Should contain the VPU interrupt. For CODA960, + a second interrupt is needed for the MJPEG unit. +- clocks : Should contain the ahb and per clocks, in the order + determined by the clock-names property. +- clock-names : Should be "ahb", "per" +- iram : phandle pointing to the SRAM device node + +Example: + +vpu: vpu@63ff4000 { + compatible = "fsl,imx53-vpu"; + reg = <0x63ff4000 0x1000>; + interrupts = <9>; + clocks = <&clks 63>, <&clks 63>; + clock-names = "ahb", "per"; + iram = <&ocram>; +}; diff --git a/Documentation/devicetree/bindings/media/exynos-fimc-lite.txt b/Documentation/devicetree/bindings/media/exynos-fimc-lite.txt new file mode 100644 index 000000000000..3f62adfb3e0b --- /dev/null +++ b/Documentation/devicetree/bindings/media/exynos-fimc-lite.txt @@ -0,0 +1,14 @@ +Exynos4x12/Exynos5 SoC series camera host interface (FIMC-LITE) + +Required properties: + +- compatible : should be "samsung,exynos4212-fimc" for Exynos4212 and + Exynos4412 SoCs; +- reg : physical base address and size of the device memory mapped + registers; +- interrupts : should contain FIMC-LITE interrupt; +- clocks : FIMC LITE gate clock should be specified in this property. +- clock-names : should contain "flite" entry. + +Each FIMC device should have an alias in the aliases node, in the form of +fimc-lite<n>, where <n> is an integer specifying the IP block instance. diff --git a/Documentation/devicetree/bindings/media/exynos4-fimc-is.txt b/Documentation/devicetree/bindings/media/exynos4-fimc-is.txt new file mode 100644 index 000000000000..55c9ad6f9599 --- /dev/null +++ b/Documentation/devicetree/bindings/media/exynos4-fimc-is.txt @@ -0,0 +1,49 @@ +Exynos4x12 SoC series Imaging Subsystem (FIMC-IS) + +The FIMC-IS is a subsystem for processing image signal from an image sensor. +The Exynos4x12 SoC series FIMC-IS V1.5 comprises of a dedicated ARM Cortex-A5 +processor, ISP, DRC and FD IP blocks and peripheral devices such as UART, I2C +and SPI bus controllers, PWM and ADC. + +fimc-is node +------------ + +Required properties: +- compatible : should be "samsung,exynos4212-fimc-is" for Exynos4212 and + Exynos4412 SoCs; +- reg : physical base address and length of the registers set; +- interrupts : must contain two FIMC-IS interrupts, in order: ISP0, ISP1; +- clocks : list of clock specifiers, corresponding to entries in + clock-names property; +- clock-names : must contain "ppmuispx", "ppmuispx", "lite0", "lite1" + "mpll", "sysreg", "isp", "drc", "fd", "mcuisp", "uart", + "ispdiv0", "ispdiv1", "mcuispdiv0", "mcuispdiv1", "aclk200", + "div_aclk200", "aclk400mcuisp", "div_aclk400mcuisp" entries, + matching entries in the clocks property. +pmu subnode +----------- + +Required properties: + - reg : must contain PMU physical base address and size of the register set. + +The following are the FIMC-IS peripheral device nodes and can be specified +either standalone or as the fimc-is node child nodes. + +i2c-isp (ISP I2C bus controller) nodes +------------------------------------------ + +Required properties: + +- compatible : should be "samsung,exynos4212-i2c-isp" for Exynos4212 and + Exynos4412 SoCs; +- reg : physical base address and length of the registers set; +- clocks : must contain gate clock specifier for this controller; +- clock-names : must contain "i2c_isp" entry. + +For the above nodes it is required to specify a pinctrl state named "default", +according to the pinctrl bindings defined in ../pinctrl/pinctrl-bindings.txt. + +Device tree nodes of the image sensors' controlled directly by the FIMC-IS +firmware must be child nodes of their corresponding ISP I2C bus controller node. +The data link of these image sensors must be specified using the common video +interfaces bindings, defined in video-interfaces.txt. diff --git a/Documentation/devicetree/bindings/media/samsung-fimc.txt b/Documentation/devicetree/bindings/media/samsung-fimc.txt new file mode 100644 index 000000000000..51c776b7f7a3 --- /dev/null +++ b/Documentation/devicetree/bindings/media/samsung-fimc.txt @@ -0,0 +1,197 @@ +Samsung S5P/EXYNOS SoC Camera Subsystem (FIMC) +---------------------------------------------- + +The S5P/Exynos SoC Camera subsystem comprises of multiple sub-devices +represented by separate device tree nodes. Currently this includes: FIMC (in +the S5P SoCs series known as CAMIF), MIPI CSIS, FIMC-LITE and FIMC-IS (ISP). + +The sub-subdevices are defined as child nodes of the common 'camera' node which +also includes common properties of the whole subsystem not really specific to +any single sub-device, like common camera port pins or the CAMCLK clock outputs +for external image sensors attached to an SoC. + +Common 'camera' node +-------------------- + +Required properties: + +- compatible : must be "samsung,fimc", "simple-bus" +- clocks : list of clock specifiers, corresponding to entries in + the clock-names property; +- clock-names : must contain "sclk_cam0", "sclk_cam1", "pxl_async0", + "pxl_async1" entries, matching entries in the clocks property. + +The pinctrl bindings defined in ../pinctrl/pinctrl-bindings.txt must be used +to define a required pinctrl state named "default" and optional pinctrl states: +"idle", "active-a", active-b". These optional states can be used to switch the +camera port pinmux at runtime. The "idle" state should configure both the camera +ports A and B into high impedance state, especially the CAMCLK clock output +should be inactive. For the "active-a" state the camera port A must be activated +and the port B deactivated and for the state "active-b" it should be the other +way around. + +The 'camera' node must include at least one 'fimc' child node. + +'fimc' device nodes +------------------- + +Required properties: + +- compatible: "samsung,s5pv210-fimc" for S5PV210, "samsung,exynos4210-fimc" + for Exynos4210 and "samsung,exynos4212-fimc" for Exynos4x12 SoCs; +- reg: physical base address and length of the registers set for the device; +- interrupts: should contain FIMC interrupt; +- clocks: list of clock specifiers, must contain an entry for each required + entry in clock-names; +- clock-names: must contain "fimc", "sclk_fimc" entries. +- samsung,pix-limits: an array of maximum supported image sizes in pixels, for + details refer to Table 2-1 in the S5PV210 SoC User Manual; The meaning of + each cell is as follows: + 0 - scaler input horizontal size, + 1 - input horizontal size for the scaler bypassed, + 2 - REAL_WIDTH without input rotation, + 3 - REAL_HEIGHT with input rotation, +- samsung,sysreg: a phandle to the SYSREG node. + +Each FIMC device should have an alias in the aliases node, in the form of +fimc<n>, where <n> is an integer specifying the IP block instance. + +Optional properties: + +- clock-frequency: maximum FIMC local clock (LCLK) frequency; +- samsung,min-pix-sizes: an array specyfing minimum image size in pixels at + the FIMC input and output DMA, in the first and second cell respectively. + Default value when this property is not present is <16 16>; +- samsung,min-pix-alignment: minimum supported image height alignment (first + cell) and the horizontal image offset (second cell). The values are in pixels + and default to <2 1> when this property is not present; +- samsung,mainscaler-ext: a boolean property indicating whether the FIMC IP + supports extended image size and has CIEXTEN register; +- samsung,rotators: a bitmask specifying whether this IP has the input and + the output rotator. Bits 4 and 0 correspond to input and output rotator + respectively. If a rotator is present its corresponding bit should be set. + Default value when this property is not specified is 0x11. +- samsung,cam-if: a bolean property indicating whether the IP block includes + the camera input interface. +- samsung,isp-wb: this property must be present if the IP block has the ISP + writeback input. +- samsung,lcd-wb: this property must be present if the IP block has the LCD + writeback input. + + +'parallel-ports' node +--------------------- + +This node should contain child 'port' nodes specifying active parallel video +input ports. It includes camera A and camera B inputs. 'reg' property in the +port nodes specifies data input - 0, 1 indicates input A, B respectively. + +Optional properties + +- samsung,camclk-out : specifies clock output for remote sensor, + 0 - CAM_A_CLKOUT, 1 - CAM_B_CLKOUT; + +Image sensor nodes +------------------ + +The sensor device nodes should be added to their control bus controller (e.g. +I2C0) nodes and linked to a port node in the csis or the parallel-ports node, +using the common video interfaces bindings, defined in video-interfaces.txt. +The implementation of this bindings requires clock-frequency property to be +present in the sensor device nodes. + +Example: + + aliases { + fimc0 = &fimc_0; + }; + + /* Parallel bus IF sensor */ + i2c_0: i2c@13860000 { + s5k6aa: sensor@3c { + compatible = "samsung,s5k6aafx"; + reg = <0x3c>; + vddio-supply = <...>; + + clock-frequency = <24000000>; + clocks = <...>; + clock-names = "mclk"; + + port { + s5k6aa_ep: endpoint { + remote-endpoint = <&fimc0_ep>; + bus-width = <8>; + hsync-active = <0>; + vsync-active = <1>; + pclk-sample = <1>; + }; + }; + }; + }; + + /* MIPI CSI-2 bus IF sensor */ + s5c73m3: sensor@0x1a { + compatible = "samsung,s5c73m3"; + reg = <0x1a>; + vddio-supply = <...>; + + clock-frequency = <24000000>; + clocks = <...>; + clock-names = "mclk"; + + port { + s5c73m3_1: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&csis0_ep>; + }; + }; + }; + + camera { + compatible = "samsung,fimc", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + status = "okay"; + + pinctrl-names = "default"; + pinctrl-0 = <&cam_port_a_clk_active>; + + /* parallel camera ports */ + parallel-ports { + /* camera A input */ + port@0 { + reg = <0>; + fimc0_ep: endpoint { + remote-endpoint = <&s5k6aa_ep>; + bus-width = <8>; + hsync-active = <0>; + vsync-active = <1>; + pclk-sample = <1>; + }; + }; + }; + + fimc_0: fimc@11800000 { + compatible = "samsung,exynos4210-fimc"; + reg = <0x11800000 0x1000>; + interrupts = <0 85 0>; + status = "okay"; + }; + + csis_0: csis@11880000 { + compatible = "samsung,exynos4210-csis"; + reg = <0x11880000 0x1000>; + interrupts = <0 78 0>; + /* camera C input */ + port@3 { + reg = <3>; + csis0_ep: endpoint { + remote-endpoint = <&s5c73m3_ep>; + data-lanes = <1 2 3 4>; + samsung,csis-hs-settle = <12>; + }; + }; + }; + }; + +The MIPI-CSIS device binding is defined in samsung-mipi-csis.txt. diff --git a/Documentation/devicetree/bindings/media/samsung-mipi-csis.txt b/Documentation/devicetree/bindings/media/samsung-mipi-csis.txt new file mode 100644 index 000000000000..5f8e28e2484f --- /dev/null +++ b/Documentation/devicetree/bindings/media/samsung-mipi-csis.txt @@ -0,0 +1,81 @@ +Samsung S5P/EXYNOS SoC series MIPI CSI-2 receiver (MIPI CSIS) +------------------------------------------------------------- + +Required properties: + +- compatible : "samsung,s5pv210-csis" for S5PV210 (S5PC110), + "samsung,exynos4210-csis" for Exynos4210 (S5PC210), + "samsung,exynos4212-csis" for Exynos4212/Exynos4412 + SoC series; +- reg : offset and length of the register set for the device; +- interrupts : should contain MIPI CSIS interrupt; the format of the + interrupt specifier depends on the interrupt controller; +- bus-width : maximum number of data lanes supported (SoC specific); +- vddio-supply : MIPI CSIS I/O and PLL voltage supply (e.g. 1.8V); +- vddcore-supply : MIPI CSIS Core voltage supply (e.g. 1.1V); +- clocks : list of clock specifiers, corresponding to entries in + clock-names property; +- clock-names : must contain "csis", "sclk_csis" entries, matching entries + in the clocks property. + +Optional properties: + +- clock-frequency : The IP's main (system bus) clock frequency in Hz, default + value when this property is not specified is 166 MHz; +- samsung,csis-wclk : CSI-2 wrapper clock selection. If this property is present + external clock from CMU will be used, or the bus clock if + if it's not specified. + +The device node should contain one 'port' child node with one child 'endpoint' +node, according to the bindings defined in Documentation/devicetree/bindings/ +media/video-interfaces.txt. The following are properties specific to those nodes. + +port node +--------- + +- reg : (required) must be 3 for camera C input (CSIS0) or 4 for + camera D input (CSIS1); + +endpoint node +------------- + +- data-lanes : (required) an array specifying active physical MIPI-CSI2 + data input lanes and their mapping to logical lanes; the + array's content is unused, only its length is meaningful; + +- samsung,csis-hs-settle : (optional) differential receiver (HS-RX) settle time; + + +Example: + + reg0: regulator@0 { + }; + + reg1: regulator@1 { + }; + +/* SoC properties */ + + csis_0: csis@11880000 { + compatible = "samsung,exynos4210-csis"; + reg = <0x11880000 0x1000>; + interrupts = <0 78 0>; + #address-cells = <1>; + #size-cells = <0>; + }; + +/* Board properties */ + + csis_0: csis@11880000 { + clock-frequency = <166000000>; + vddio-supply = <®0>; + vddcore-supply = <®1>; + port { + reg = <3>; /* 3 - CSIS0, 4 - CSIS1 */ + csis0_ep: endpoint { + remote-endpoint = <...>; + data-lanes = <1>, <2>; + samsung,csis-hs-settle = <12>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt new file mode 100644 index 000000000000..e022d2dc4962 --- /dev/null +++ b/Documentation/devicetree/bindings/media/video-interfaces.txt @@ -0,0 +1,228 @@ +Common bindings for video receiver and transmitter interfaces + +General concept +--------------- + +Video data pipelines usually consist of external devices, e.g. camera sensors, +controlled over an I2C, SPI or UART bus, and SoC internal IP blocks, including +video DMA engines and video data processors. + +SoC internal blocks are described by DT nodes, placed similarly to other SoC +blocks. External devices are represented as child nodes of their respective +bus controller nodes, e.g. I2C. + +Data interfaces on all video devices are described by their child 'port' nodes. +Configuration of a port depends on other devices participating in the data +transfer and is described by 'endpoint' subnodes. + +device { + ... + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + ... + endpoint@0 { ... }; + endpoint@1 { ... }; + }; + port@1 { ... }; + }; +}; + +If a port can be configured to work with more than one remote device on the same +bus, an 'endpoint' child node must be provided for each of them. If more than +one port is present in a device node or there is more than one endpoint at a +port, or port node needs to be associated with a selected hardware interface, +a common scheme using '#address-cells', '#size-cells' and 'reg' properties is +used. + +All 'port' nodes can be grouped under optional 'ports' node, which allows to +specify #address-cells, #size-cells properties independently for the 'port' +and 'endpoint' nodes and any child device nodes a device might have. + +Two 'endpoint' nodes are linked with each other through their 'remote-endpoint' +phandles. An endpoint subnode of a device contains all properties needed for +configuration of this device for data exchange with other device. In most +cases properties at the peer 'endpoint' nodes will be identical, however they +might need to be different when there is any signal modifications on the bus +between two devices, e.g. there are logic signal inverters on the lines. + +It is allowed for multiple endpoints at a port to be active simultaneously, +where supported by a device. For example, in case where a data interface of +a device is partitioned into multiple data busses, e.g. 16-bit input port +divided into two separate ITU-R BT.656 8-bit busses. In such case bus-width +and data-shift properties can be used to assign physical data lines to each +endpoint node (logical bus). + + +Required properties +------------------- + +If there is more than one 'port' or more than one 'endpoint' node or 'reg' +property is present in port and/or endpoint nodes the following properties +are required in a relevant parent node: + + - #address-cells : number of cells required to define port/endpoint + identifier, should be 1. + - #size-cells : should be zero. + +Optional endpoint properties +---------------------------- + +- remote-endpoint: phandle to an 'endpoint' subnode of a remote device node. +- slave-mode: a boolean property indicating that the link is run in slave mode. + The default when this property is not specified is master mode. In the slave + mode horizontal and vertical synchronization signals are provided to the + slave device (data source) by the master device (data sink). In the master + mode the data source device is also the source of the synchronization signals. +- bus-width: number of data lines actively used, valid for the parallel busses. +- data-shift: on the parallel data busses, if bus-width is used to specify the + number of data lines, data-shift can be used to specify which data lines are + used, e.g. "bus-width=<8>; data-shift=<2>;" means, that lines 9:2 are used. +- hsync-active: active state of the HSYNC signal, 0/1 for LOW/HIGH respectively. +- vsync-active: active state of the VSYNC signal, 0/1 for LOW/HIGH respectively. + Note, that if HSYNC and VSYNC polarities are not specified, embedded + synchronization may be required, where supported. +- data-active: similar to HSYNC and VSYNC, specifies data line polarity. +- field-even-active: field signal level during the even field data transmission. +- pclk-sample: sample data on rising (1) or falling (0) edge of the pixel clock + signal. +- data-lanes: an array of physical data lane indexes. Position of an entry + determines the logical lane number, while the value of an entry indicates + physical lane, e.g. for 2-lane MIPI CSI-2 bus we could have + "data-lanes = <1 2>;", assuming the clock lane is on hardware lane 0. + This property is valid for serial busses only (e.g. MIPI CSI-2). +- clock-lanes: an array of physical clock lane indexes. Position of an entry + determines the logical lane number, while the value of an entry indicates + physical lane, e.g. for a MIPI CSI-2 bus we could have "clock-lanes = <0>;", + which places the clock lane on hardware lane 0. This property is valid for + serial busses only (e.g. MIPI CSI-2). Note that for the MIPI CSI-2 bus this + array contains only one entry. +- clock-noncontinuous: a boolean property to allow MIPI CSI-2 non-continuous + clock mode. + + +Example +------- + +The example snippet below describes two data pipelines. ov772x and imx074 are +camera sensors with a parallel and serial (MIPI CSI-2) video bus respectively. +Both sensors are on the I2C control bus corresponding to the i2c0 controller +node. ov772x sensor is linked directly to the ceu0 video host interface. +imx074 is linked to ceu0 through the MIPI CSI-2 receiver (csi2). ceu0 has a +(single) DMA engine writing captured data to memory. ceu0 node has a single +'port' node which may indicate that at any time only one of the following data +pipelines can be active: ov772x -> ceu0 or imx074 -> csi2 -> ceu0. + + ceu0: ceu@0xfe910000 { + compatible = "renesas,sh-mobile-ceu"; + reg = <0xfe910000 0xa0>; + interrupts = <0x880>; + + mclk: master_clock { + compatible = "renesas,ceu-clock"; + #clock-cells = <1>; + clock-frequency = <50000000>; /* Max clock frequency */ + clock-output-names = "mclk"; + }; + + port { + #address-cells = <1>; + #size-cells = <0>; + + /* Parallel bus endpoint */ + ceu0_1: endpoint@1 { + reg = <1>; /* Local endpoint # */ + remote = <&ov772x_1_1>; /* Remote phandle */ + bus-width = <8>; /* Used data lines */ + data-shift = <2>; /* Lines 9:2 are used */ + + /* If hsync-active/vsync-active are missing, + embedded BT.656 sync is used */ + hsync-active = <0>; /* Active low */ + vsync-active = <0>; /* Active low */ + data-active = <1>; /* Active high */ + pclk-sample = <1>; /* Rising */ + }; + + /* MIPI CSI-2 bus endpoint */ + ceu0_0: endpoint@0 { + reg = <0>; + remote = <&csi2_2>; + }; + }; + }; + + i2c0: i2c@0xfff20000 { + ... + ov772x_1: camera@0x21 { + compatible = "omnivision,ov772x"; + reg = <0x21>; + vddio-supply = <®ulator1>; + vddcore-supply = <®ulator2>; + + clock-frequency = <20000000>; + clocks = <&mclk 0>; + clock-names = "xclk"; + + port { + /* With 1 endpoint per port no need for addresses. */ + ov772x_1_1: endpoint { + bus-width = <8>; + remote-endpoint = <&ceu0_1>; + hsync-active = <1>; + vsync-active = <0>; /* Who came up with an + inverter here ?... */ + data-active = <1>; + pclk-sample = <1>; + }; + }; + }; + + imx074: camera@0x1a { + compatible = "sony,imx074"; + reg = <0x1a>; + vddio-supply = <®ulator1>; + vddcore-supply = <®ulator2>; + + clock-frequency = <30000000>; /* Shared clock with ov772x_1 */ + clocks = <&mclk 0>; + clock-names = "sysclk"; /* Assuming this is the + name in the datasheet */ + port { + imx074_1: endpoint { + clock-lanes = <0>; + data-lanes = <1 2>; + remote-endpoint = <&csi2_1>; + }; + }; + }; + }; + + csi2: csi2@0xffc90000 { + compatible = "renesas,sh-mobile-csi2"; + reg = <0xffc90000 0x1000>; + interrupts = <0x17a0>; + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + compatible = "renesas,csi2c"; /* One of CSI2I and CSI2C. */ + reg = <1>; /* CSI-2 PHY #1 of 2: PHY_S, + PHY_M has port address 0, + is unused. */ + csi2_1: endpoint { + clock-lanes = <0>; + data-lanes = <2 1>; + remote-endpoint = <&imx074_1>; + }; + }; + port@2 { + reg = <2>; /* port 2: link to the CEU */ + + csi2_2: endpoint { + remote-endpoint = <&ceu0_0>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/metag/meta-intc.txt b/Documentation/devicetree/bindings/metag/meta-intc.txt index 8c47dcbfabc6..80994adab392 100644 --- a/Documentation/devicetree/bindings/metag/meta-intc.txt +++ b/Documentation/devicetree/bindings/metag/meta-intc.txt @@ -12,7 +12,7 @@ Required properties: handle 32 interrupt sources). - interrupt-controller: The presence of this property identifies the node - as an interupt controller. No property value shall be defined. + as an interrupt controller. No property value shall be defined. - #interrupt-cells: Specifies the number of cells needed to encode an interrupt source. The type shall be a <u32> and the value shall be 2. diff --git a/Documentation/devicetree/bindings/mfd/mc13xxx.txt b/Documentation/devicetree/bindings/mfd/mc13xxx.txt index baf07987ae68..abd9e3cb2db7 100644 --- a/Documentation/devicetree/bindings/mfd/mc13xxx.txt +++ b/Documentation/devicetree/bindings/mfd/mc13xxx.txt @@ -10,10 +10,40 @@ Optional properties: - fsl,mc13xxx-uses-touch : Indicate the touchscreen controller is being used Sub-nodes: -- regulators : Contain the regulator nodes. The MC13892 regulators are - bound using their names as listed below with their registers and bits - for enabling. +- regulators : Contain the regulator nodes. The regulators are bound using + their names as listed below with their registers and bits for enabling. +MC13783 regulators: + sw1a : regulator SW1A (register 24, bit 0) + sw1b : regulator SW1B (register 25, bit 0) + sw2a : regulator SW2A (register 26, bit 0) + sw2b : regulator SW2B (register 27, bit 0) + sw3 : regulator SW3 (register 29, bit 20) + vaudio : regulator VAUDIO (register 32, bit 0) + viohi : regulator VIOHI (register 32, bit 3) + violo : regulator VIOLO (register 32, bit 6) + vdig : regulator VDIG (register 32, bit 9) + vgen : regulator VGEN (register 32, bit 12) + vrfdig : regulator VRFDIG (register 32, bit 15) + vrfref : regulator VRFREF (register 32, bit 18) + vrfcp : regulator VRFCP (register 32, bit 21) + vsim : regulator VSIM (register 33, bit 0) + vesim : regulator VESIM (register 33, bit 3) + vcam : regulator VCAM (register 33, bit 6) + vrfbg : regulator VRFBG (register 33, bit 9) + vvib : regulator VVIB (register 33, bit 11) + vrf1 : regulator VRF1 (register 33, bit 12) + vrf2 : regulator VRF2 (register 33, bit 15) + vmmc1 : regulator VMMC1 (register 33, bit 18) + vmmc2 : regulator VMMC2 (register 33, bit 21) + gpo1 : regulator GPO1 (register 34, bit 6) + gpo2 : regulator GPO2 (register 34, bit 8) + gpo3 : regulator GPO3 (register 34, bit 10) + gpo4 : regulator GPO4 (register 34, bit 12) + pwgt1spi : regulator PWGT1SPI (register 34, bit 15) + pwgt2spi : regulator PWGT2SPI (register 34, bit 16) + +MC13892 regulators: vcoincell : regulator VCOINCELL (register 13, bit 23) sw1 : regulator SW1 (register 24, bit 0) sw2 : regulator SW2 (register 25, bit 0) diff --git a/Documentation/devicetree/bindings/misc/sram.txt b/Documentation/devicetree/bindings/misc/sram.txt new file mode 100644 index 000000000000..4d0a00e453a8 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/sram.txt @@ -0,0 +1,16 @@ +Generic on-chip SRAM + +Simple IO memory regions to be managed by the genalloc API. + +Required properties: + +- compatible : mmio-sram + +- reg : SRAM iomem address range + +Example: + +sram: sram@5c000000 { + compatible = "mmio-sram"; + reg = <0x5c000000 0x40000>; /* 256 KiB SRAM at address 0x5c000000 */ +}; diff --git a/Documentation/devicetree/bindings/mmc/davinci_mmc.txt b/Documentation/devicetree/bindings/mmc/davinci_mmc.txt new file mode 100644 index 000000000000..e5a0140b2381 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/davinci_mmc.txt @@ -0,0 +1,33 @@ +* TI Highspeed MMC host controller for DaVinci + +The Highspeed MMC Host Controller on TI DaVinci family +provides an interface for MMC, SD and SDIO types of memory cards. + +This file documents the properties used by the davinci_mmc driver. + +Required properties: +- compatible: + Should be "ti,da830-mmc": for da830, da850, dm365 + Should be "ti,dm355-mmc": for dm355, dm644x + +Optional properties: +- bus-width: Number of data lines, can be <1>, <4>, or <8>, default <1> +- max-frequency: Maximum operating clock frequency, default 25MHz. +- dmas: List of DMA specifiers with the controller specific format + as described in the generic DMA client binding. A tx and rx + specifier is required. +- dma-names: RX and TX DMA request names. These strings correspond + 1:1 with the DMA specifiers listed in dmas. + +Example: +mmc0: mmc@1c40000 { + compatible = "ti,da830-mmc", + reg = <0x40000 0x1000>; + interrupts = <16>; + status = "okay"; + bus-width = <4>; + max-frequency = <50000000>; + dmas = <&edma 16 + &edma 17>; + dma-names = "rx", "tx"; +}; diff --git a/Documentation/devicetree/bindings/net/can/atmel-can.txt b/Documentation/devicetree/bindings/net/can/atmel-can.txt new file mode 100644 index 000000000000..72cf0c5daff4 --- /dev/null +++ b/Documentation/devicetree/bindings/net/can/atmel-can.txt @@ -0,0 +1,14 @@ +* AT91 CAN * + +Required properties: + - compatible: Should be "atmel,at91sam9263-can" or "atmel,at91sam9x5-can" + - reg: Should contain CAN controller registers location and length + - interrupts: Should contain IRQ line for the CAN controller + +Example: + + can0: can@f000c000 { + compatbile = "atmel,at91sam9x5-can"; + reg = <0xf000c000 0x300>; + interrupts = <40 4 5> + }; diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt index ecfdf756d10f..4f2ca6b4a182 100644 --- a/Documentation/devicetree/bindings/net/cpsw.txt +++ b/Documentation/devicetree/bindings/net/cpsw.txt @@ -15,16 +15,22 @@ Required properties: - mac_control : Specifies Default MAC control register content for the specific platform - slaves : Specifies number for slaves -- cpts_active_slave : Specifies the slave to use for time stamping +- active_slave : Specifies the slave to use for time stamping, + ethtool and SIOCGMIIPHY - cpts_clock_mult : Numerator to convert input clock ticks into nanoseconds - cpts_clock_shift : Denominator to convert input clock ticks into nanoseconds -- phy_id : Specifies slave phy id -- mac-address : Specifies slave MAC address Optional properties: - ti,hwmods : Must be "cpgmac0" - no_bd_ram : Must be 0 or 1 - dual_emac : Specifies Switch to act as Dual EMAC + +Slave Properties: +Required properties: +- phy_id : Specifies slave phy id +- mac-address : Specifies slave MAC address + +Optional properties: - dual_emac_res_vlan : Specifies VID to be used to segregate the ports Note: "ti,hwmods" field is used to fetch the base address and irq @@ -47,7 +53,7 @@ Examples: rx_descs = <64>; mac_control = <0x20>; slaves = <2>; - cpts_active_slave = <0>; + active_slave = <0>; cpts_clock_mult = <0x80000000>; cpts_clock_shift = <29>; cpsw_emac0: slave@0 { @@ -73,7 +79,7 @@ Examples: rx_descs = <64>; mac_control = <0x20>; slaves = <2>; - cpts_active_slave = <0>; + active_slave = <0>; cpts_clock_mult = <0x80000000>; cpts_clock_shift = <29>; cpsw_emac0: slave@0 { diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.txt b/Documentation/devicetree/bindings/net/dsa/dsa.txt new file mode 100644 index 000000000000..49f4f7ae3f51 --- /dev/null +++ b/Documentation/devicetree/bindings/net/dsa/dsa.txt @@ -0,0 +1,91 @@ +Marvell Distributed Switch Architecture Device Tree Bindings +------------------------------------------------------------ + +Required properties: +- compatible : Should be "marvell,dsa" +- #address-cells : Must be 2, first cell is the address on the MDIO bus + and second cell is the address in the switch tree. + Second cell is used only when cascading/chaining. +- #size-cells : Must be 0 +- dsa,ethernet : Should be a phandle to a valid Ethernet device node +- dsa,mii-bus : Should be a phandle to a valid MDIO bus device node + +Optionnal properties: +- interrupts : property with a value describing the switch + interrupt number (not supported by the driver) + +A DSA node can contain multiple switch chips which are therefore child nodes of +the parent DSA node. The maximum number of allowed child nodes is 4 +(DSA_MAX_SWITCHES). +Each of these switch child nodes should have the following required properties: + +- reg : Describes the switch address on the MII bus +- #address-cells : Must be 1 +- #size-cells : Must be 0 + +A switch may have multiple "port" children nodes + +Each port children node must have the following mandatory properties: +- reg : Describes the port address in the switch +- label : Describes the label associated with this port, special + labels are "cpu" to indicate a CPU port and "dsa" to + indicate an uplink/downlink port. + +Note that a port labelled "dsa" will imply checking for the uplink phandle +described below. + +Optionnal property: +- link : Should be a phandle to another switch's DSA port. + This property is only used when switches are being + chained/cascaded together. + +Example: + + dsa@0 { + compatible = "marvell,dsa"; + #address-cells = <2>; + #size-cells = <0>; + + interrupts = <10>; + dsa,ethernet = <ðernet0>; + dsa,mii-bus = <&mii_bus0>; + + switch@0 { + #address-cells = <1>; + #size-cells = <0>; + reg = <16 0>; /* MDIO address 16, switch 0 in tree */ + + port@0 { + reg = <0>; + label = "lan1"; + }; + + port@1 { + reg = <1>; + label = "lan2"; + }; + + port@5 { + reg = <5>; + label = "cpu"; + }; + + switch0uplink: port@6 { + reg = <6>; + label = "dsa"; + link = <&switch1uplink>; + }; + }; + + switch@1 { + #address-cells = <1>; + #size-cells = <0>; + reg = <17 1>; /* MDIO address 17, switch 1 in tree */ + + switch1uplink: port@0 { + reg = <0>; + label = "dsa"; + link = <&switch0uplink>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt b/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt index 34e7aafa321c..9417e54c26c0 100644 --- a/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt +++ b/Documentation/devicetree/bindings/net/marvell-orion-mdio.txt @@ -9,6 +9,10 @@ Required properties: - compatible: "marvell,orion-mdio" - reg: address and length of the SMI register +Optional properties: +- interrupts: interrupt line number for the SMI error/done interrupt +- clocks: Phandle to the clock control device and gate bit + The child nodes of the MDIO driver are the individual PHY devices connected to this MDIO bus. They must have a "reg" property given the PHY address on the MDIO bus. diff --git a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt index bc50899e0c81..648d60eb9fd8 100644 --- a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt @@ -1,6 +1,6 @@ * Atmel AT91 Pinmux Controller -The AT91 Pinmux Controler, enables the IC +The AT91 Pinmux Controller, enables the IC to share one PAD to several functional blocks. The sharing is done by multiplexing the PAD input/output signals. For each PAD there are up to 8 muxing options (called periph modes). Since different modules require diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt index 8edc20e1b09e..2569866c692f 100644 --- a/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt @@ -5,7 +5,7 @@ controller, and pinmux/control device. Required properties: - compatible: "brcm,bcm2835-gpio" -- reg: Should contain the physical address of the GPIO module's registes. +- reg: Should contain the physical address of the GPIO module's registers. - gpio-controller: Marks the device node as a GPIO controller. - #gpio-cells : Should be two. The first cell is the pin number and the second cell is used to specify optional parameters: diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt index ab19e6bc7d3b..bcfdab5d442e 100644 --- a/Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt @@ -24,9 +24,9 @@ Required properties for iomux controller: Required properties for pin configuration node: - fsl,pins: two integers array, represents a group of pins mux and config setting. The format is fsl,pins = <PIN_FUNC_ID CONFIG>, PIN_FUNC_ID is a - pin working on a specific function, CONFIG is the pad setting value like - pull-up on this pin. Please refer to fsl,<soc>-pinctrl.txt for the valid - pins and functions of each SoC. + pin working on a specific function, which consists of a tuple of + <mux_reg conf_reg input_reg mux_val input_val>. CONFIG is the pad setting + value like pull-up on this pin. Bits used for CONFIG: NO_PAD_CTL(1 << 31): indicate this pin does not need config. diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx35-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx35-pinctrl.txt index 1183f1a3be33..c083dfd25db9 100644 --- a/Documentation/devicetree/bindings/pinctrl/fsl,imx35-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx35-pinctrl.txt @@ -29,956 +29,5 @@ PAD_CTL_DSE_MAX (2 << 1) PAD_CTL_SRE_FAST (1 << 0) PAD_CTL_SRE_SLOW (0 << 0) -See below for available PIN_FUNC_ID for imx35: -0 MX35_PAD_CAPTURE__GPT_CAPIN1 -1 MX35_PAD_CAPTURE__GPT_CMPOUT2 -2 MX35_PAD_CAPTURE__CSPI2_SS1 -3 MX35_PAD_CAPTURE__EPIT1_EPITO -4 MX35_PAD_CAPTURE__CCM_CLK32K -5 MX35_PAD_CAPTURE__GPIO1_4 -6 MX35_PAD_COMPARE__GPT_CMPOUT1 -7 MX35_PAD_COMPARE__GPT_CAPIN2 -8 MX35_PAD_COMPARE__GPT_CMPOUT3 -9 MX35_PAD_COMPARE__EPIT2_EPITO -10 MX35_PAD_COMPARE__GPIO1_5 -11 MX35_PAD_COMPARE__SDMA_EXTDMA_2 -12 MX35_PAD_WDOG_RST__WDOG_WDOG_B -13 MX35_PAD_WDOG_RST__IPU_FLASH_STROBE -14 MX35_PAD_WDOG_RST__GPIO1_6 -15 MX35_PAD_GPIO1_0__GPIO1_0 -16 MX35_PAD_GPIO1_0__CCM_PMIC_RDY -17 MX35_PAD_GPIO1_0__OWIRE_LINE -18 MX35_PAD_GPIO1_0__SDMA_EXTDMA_0 -19 MX35_PAD_GPIO1_1__GPIO1_1 -20 MX35_PAD_GPIO1_1__PWM_PWMO -21 MX35_PAD_GPIO1_1__CSPI1_SS2 -22 MX35_PAD_GPIO1_1__SCC_TAMPER_DETECT -23 MX35_PAD_GPIO1_1__SDMA_EXTDMA_1 -24 MX35_PAD_GPIO2_0__GPIO2_0 -25 MX35_PAD_GPIO2_0__USB_TOP_USBOTG_CLK -26 MX35_PAD_GPIO3_0__GPIO3_0 -27 MX35_PAD_GPIO3_0__USB_TOP_USBH2_CLK -28 MX35_PAD_RESET_IN_B__CCM_RESET_IN_B -29 MX35_PAD_POR_B__CCM_POR_B -30 MX35_PAD_CLKO__CCM_CLKO -31 MX35_PAD_CLKO__GPIO1_8 -32 MX35_PAD_BOOT_MODE0__CCM_BOOT_MODE_0 -33 MX35_PAD_BOOT_MODE1__CCM_BOOT_MODE_1 -34 MX35_PAD_CLK_MODE0__CCM_CLK_MODE_0 -35 MX35_PAD_CLK_MODE1__CCM_CLK_MODE_1 -36 MX35_PAD_POWER_FAIL__CCM_DSM_WAKEUP_INT_26 -37 MX35_PAD_VSTBY__CCM_VSTBY -38 MX35_PAD_VSTBY__GPIO1_7 -39 MX35_PAD_A0__EMI_EIM_DA_L_0 -40 MX35_PAD_A1__EMI_EIM_DA_L_1 -41 MX35_PAD_A2__EMI_EIM_DA_L_2 -42 MX35_PAD_A3__EMI_EIM_DA_L_3 -43 MX35_PAD_A4__EMI_EIM_DA_L_4 -44 MX35_PAD_A5__EMI_EIM_DA_L_5 -45 MX35_PAD_A6__EMI_EIM_DA_L_6 -46 MX35_PAD_A7__EMI_EIM_DA_L_7 -47 MX35_PAD_A8__EMI_EIM_DA_H_8 -48 MX35_PAD_A9__EMI_EIM_DA_H_9 -49 MX35_PAD_A10__EMI_EIM_DA_H_10 -50 MX35_PAD_MA10__EMI_MA10 -51 MX35_PAD_A11__EMI_EIM_DA_H_11 -52 MX35_PAD_A12__EMI_EIM_DA_H_12 -53 MX35_PAD_A13__EMI_EIM_DA_H_13 -54 MX35_PAD_A14__EMI_EIM_DA_H2_14 -55 MX35_PAD_A15__EMI_EIM_DA_H2_15 -56 MX35_PAD_A16__EMI_EIM_A_16 -57 MX35_PAD_A17__EMI_EIM_A_17 -58 MX35_PAD_A18__EMI_EIM_A_18 -59 MX35_PAD_A19__EMI_EIM_A_19 -60 MX35_PAD_A20__EMI_EIM_A_20 -61 MX35_PAD_A21__EMI_EIM_A_21 -62 MX35_PAD_A22__EMI_EIM_A_22 -63 MX35_PAD_A23__EMI_EIM_A_23 -64 MX35_PAD_A24__EMI_EIM_A_24 -65 MX35_PAD_A25__EMI_EIM_A_25 -66 MX35_PAD_SDBA1__EMI_EIM_SDBA1 -67 MX35_PAD_SDBA0__EMI_EIM_SDBA0 -68 MX35_PAD_SD0__EMI_DRAM_D_0 -69 MX35_PAD_SD1__EMI_DRAM_D_1 -70 MX35_PAD_SD2__EMI_DRAM_D_2 -71 MX35_PAD_SD3__EMI_DRAM_D_3 -72 MX35_PAD_SD4__EMI_DRAM_D_4 -73 MX35_PAD_SD5__EMI_DRAM_D_5 -74 MX35_PAD_SD6__EMI_DRAM_D_6 -75 MX35_PAD_SD7__EMI_DRAM_D_7 -76 MX35_PAD_SD8__EMI_DRAM_D_8 -77 MX35_PAD_SD9__EMI_DRAM_D_9 -78 MX35_PAD_SD10__EMI_DRAM_D_10 -79 MX35_PAD_SD11__EMI_DRAM_D_11 -80 MX35_PAD_SD12__EMI_DRAM_D_12 -81 MX35_PAD_SD13__EMI_DRAM_D_13 -82 MX35_PAD_SD14__EMI_DRAM_D_14 -83 MX35_PAD_SD15__EMI_DRAM_D_15 -84 MX35_PAD_SD16__EMI_DRAM_D_16 -85 MX35_PAD_SD17__EMI_DRAM_D_17 -86 MX35_PAD_SD18__EMI_DRAM_D_18 -87 MX35_PAD_SD19__EMI_DRAM_D_19 -88 MX35_PAD_SD20__EMI_DRAM_D_20 -89 MX35_PAD_SD21__EMI_DRAM_D_21 -90 MX35_PAD_SD22__EMI_DRAM_D_22 -91 MX35_PAD_SD23__EMI_DRAM_D_23 -92 MX35_PAD_SD24__EMI_DRAM_D_24 -93 MX35_PAD_SD25__EMI_DRAM_D_25 -94 MX35_PAD_SD26__EMI_DRAM_D_26 -95 MX35_PAD_SD27__EMI_DRAM_D_27 -96 MX35_PAD_SD28__EMI_DRAM_D_28 -97 MX35_PAD_SD29__EMI_DRAM_D_29 -98 MX35_PAD_SD30__EMI_DRAM_D_30 -99 MX35_PAD_SD31__EMI_DRAM_D_31 -100 MX35_PAD_DQM0__EMI_DRAM_DQM_0 -101 MX35_PAD_DQM1__EMI_DRAM_DQM_1 -102 MX35_PAD_DQM2__EMI_DRAM_DQM_2 -103 MX35_PAD_DQM3__EMI_DRAM_DQM_3 -104 MX35_PAD_EB0__EMI_EIM_EB0_B -105 MX35_PAD_EB1__EMI_EIM_EB1_B -106 MX35_PAD_OE__EMI_EIM_OE -107 MX35_PAD_CS0__EMI_EIM_CS0 -108 MX35_PAD_CS1__EMI_EIM_CS1 -109 MX35_PAD_CS1__EMI_NANDF_CE3 -110 MX35_PAD_CS2__EMI_EIM_CS2 -111 MX35_PAD_CS3__EMI_EIM_CS3 -112 MX35_PAD_CS4__EMI_EIM_CS4 -113 MX35_PAD_CS4__EMI_DTACK_B -114 MX35_PAD_CS4__EMI_NANDF_CE1 -115 MX35_PAD_CS4__GPIO1_20 -116 MX35_PAD_CS5__EMI_EIM_CS5 -117 MX35_PAD_CS5__CSPI2_SS2 -118 MX35_PAD_CS5__CSPI1_SS2 -119 MX35_PAD_CS5__EMI_NANDF_CE2 -120 MX35_PAD_CS5__GPIO1_21 -121 MX35_PAD_NF_CE0__EMI_NANDF_CE0 -122 MX35_PAD_NF_CE0__GPIO1_22 -123 MX35_PAD_ECB__EMI_EIM_ECB -124 MX35_PAD_LBA__EMI_EIM_LBA -125 MX35_PAD_BCLK__EMI_EIM_BCLK -126 MX35_PAD_RW__EMI_EIM_RW -127 MX35_PAD_RAS__EMI_DRAM_RAS -128 MX35_PAD_CAS__EMI_DRAM_CAS -129 MX35_PAD_SDWE__EMI_DRAM_SDWE -130 MX35_PAD_SDCKE0__EMI_DRAM_SDCKE_0 -131 MX35_PAD_SDCKE1__EMI_DRAM_SDCKE_1 -132 MX35_PAD_SDCLK__EMI_DRAM_SDCLK -133 MX35_PAD_SDQS0__EMI_DRAM_SDQS_0 -134 MX35_PAD_SDQS1__EMI_DRAM_SDQS_1 -135 MX35_PAD_SDQS2__EMI_DRAM_SDQS_2 -136 MX35_PAD_SDQS3__EMI_DRAM_SDQS_3 -137 MX35_PAD_NFWE_B__EMI_NANDF_WE_B -138 MX35_PAD_NFWE_B__USB_TOP_USBH2_DATA_3 -139 MX35_PAD_NFWE_B__IPU_DISPB_D0_VSYNC -140 MX35_PAD_NFWE_B__GPIO2_18 -141 MX35_PAD_NFWE_B__ARM11P_TOP_TRACE_0 -142 MX35_PAD_NFRE_B__EMI_NANDF_RE_B -143 MX35_PAD_NFRE_B__USB_TOP_USBH2_DIR -144 MX35_PAD_NFRE_B__IPU_DISPB_BCLK -145 MX35_PAD_NFRE_B__GPIO2_19 -146 MX35_PAD_NFRE_B__ARM11P_TOP_TRACE_1 -147 MX35_PAD_NFALE__EMI_NANDF_ALE -148 MX35_PAD_NFALE__USB_TOP_USBH2_STP -149 MX35_PAD_NFALE__IPU_DISPB_CS0 -150 MX35_PAD_NFALE__GPIO2_20 -151 MX35_PAD_NFALE__ARM11P_TOP_TRACE_2 -152 MX35_PAD_NFCLE__EMI_NANDF_CLE -153 MX35_PAD_NFCLE__USB_TOP_USBH2_NXT -154 MX35_PAD_NFCLE__IPU_DISPB_PAR_RS -155 MX35_PAD_NFCLE__GPIO2_21 -156 MX35_PAD_NFCLE__ARM11P_TOP_TRACE_3 -157 MX35_PAD_NFWP_B__EMI_NANDF_WP_B -158 MX35_PAD_NFWP_B__USB_TOP_USBH2_DATA_7 -159 MX35_PAD_NFWP_B__IPU_DISPB_WR -160 MX35_PAD_NFWP_B__GPIO2_22 -161 MX35_PAD_NFWP_B__ARM11P_TOP_TRCTL -162 MX35_PAD_NFRB__EMI_NANDF_RB -163 MX35_PAD_NFRB__IPU_DISPB_RD -164 MX35_PAD_NFRB__GPIO2_23 -165 MX35_PAD_NFRB__ARM11P_TOP_TRCLK -166 MX35_PAD_D15__EMI_EIM_D_15 -167 MX35_PAD_D14__EMI_EIM_D_14 -168 MX35_PAD_D13__EMI_EIM_D_13 -169 MX35_PAD_D12__EMI_EIM_D_12 -170 MX35_PAD_D11__EMI_EIM_D_11 -171 MX35_PAD_D10__EMI_EIM_D_10 -172 MX35_PAD_D9__EMI_EIM_D_9 -173 MX35_PAD_D8__EMI_EIM_D_8 -174 MX35_PAD_D7__EMI_EIM_D_7 -175 MX35_PAD_D6__EMI_EIM_D_6 -176 MX35_PAD_D5__EMI_EIM_D_5 -177 MX35_PAD_D4__EMI_EIM_D_4 -178 MX35_PAD_D3__EMI_EIM_D_3 -179 MX35_PAD_D2__EMI_EIM_D_2 -180 MX35_PAD_D1__EMI_EIM_D_1 -181 MX35_PAD_D0__EMI_EIM_D_0 -182 MX35_PAD_CSI_D8__IPU_CSI_D_8 -183 MX35_PAD_CSI_D8__KPP_COL_0 -184 MX35_PAD_CSI_D8__GPIO1_20 -185 MX35_PAD_CSI_D8__ARM11P_TOP_EVNTBUS_13 -186 MX35_PAD_CSI_D9__IPU_CSI_D_9 -187 MX35_PAD_CSI_D9__KPP_COL_1 -188 MX35_PAD_CSI_D9__GPIO1_21 -189 MX35_PAD_CSI_D9__ARM11P_TOP_EVNTBUS_14 -190 MX35_PAD_CSI_D10__IPU_CSI_D_10 -191 MX35_PAD_CSI_D10__KPP_COL_2 -192 MX35_PAD_CSI_D10__GPIO1_22 -193 MX35_PAD_CSI_D10__ARM11P_TOP_EVNTBUS_15 -194 MX35_PAD_CSI_D11__IPU_CSI_D_11 -195 MX35_PAD_CSI_D11__KPP_COL_3 -196 MX35_PAD_CSI_D11__GPIO1_23 -197 MX35_PAD_CSI_D12__IPU_CSI_D_12 -198 MX35_PAD_CSI_D12__KPP_ROW_0 -199 MX35_PAD_CSI_D12__GPIO1_24 -200 MX35_PAD_CSI_D13__IPU_CSI_D_13 -201 MX35_PAD_CSI_D13__KPP_ROW_1 -202 MX35_PAD_CSI_D13__GPIO1_25 -203 MX35_PAD_CSI_D14__IPU_CSI_D_14 -204 MX35_PAD_CSI_D14__KPP_ROW_2 -205 MX35_PAD_CSI_D14__GPIO1_26 -206 MX35_PAD_CSI_D15__IPU_CSI_D_15 -207 MX35_PAD_CSI_D15__KPP_ROW_3 -208 MX35_PAD_CSI_D15__GPIO1_27 -209 MX35_PAD_CSI_MCLK__IPU_CSI_MCLK -210 MX35_PAD_CSI_MCLK__GPIO1_28 -211 MX35_PAD_CSI_VSYNC__IPU_CSI_VSYNC -212 MX35_PAD_CSI_VSYNC__GPIO1_29 -213 MX35_PAD_CSI_HSYNC__IPU_CSI_HSYNC -214 MX35_PAD_CSI_HSYNC__GPIO1_30 -215 MX35_PAD_CSI_PIXCLK__IPU_CSI_PIXCLK -216 MX35_PAD_CSI_PIXCLK__GPIO1_31 -217 MX35_PAD_I2C1_CLK__I2C1_SCL -218 MX35_PAD_I2C1_CLK__GPIO2_24 -219 MX35_PAD_I2C1_CLK__CCM_USB_BYP_CLK -220 MX35_PAD_I2C1_DAT__I2C1_SDA -221 MX35_PAD_I2C1_DAT__GPIO2_25 -222 MX35_PAD_I2C2_CLK__I2C2_SCL -223 MX35_PAD_I2C2_CLK__CAN1_TXCAN -224 MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR -225 MX35_PAD_I2C2_CLK__GPIO2_26 -226 MX35_PAD_I2C2_CLK__SDMA_DEBUG_BUS_DEVICE_2 -227 MX35_PAD_I2C2_DAT__I2C2_SDA -228 MX35_PAD_I2C2_DAT__CAN1_RXCAN -229 MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC -230 MX35_PAD_I2C2_DAT__GPIO2_27 -231 MX35_PAD_I2C2_DAT__SDMA_DEBUG_BUS_DEVICE_3 -232 MX35_PAD_STXD4__AUDMUX_AUD4_TXD -233 MX35_PAD_STXD4__GPIO2_28 -234 MX35_PAD_STXD4__ARM11P_TOP_ARM_COREASID0 -235 MX35_PAD_SRXD4__AUDMUX_AUD4_RXD -236 MX35_PAD_SRXD4__GPIO2_29 -237 MX35_PAD_SRXD4__ARM11P_TOP_ARM_COREASID1 -238 MX35_PAD_SCK4__AUDMUX_AUD4_TXC -239 MX35_PAD_SCK4__GPIO2_30 -240 MX35_PAD_SCK4__ARM11P_TOP_ARM_COREASID2 -241 MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS -242 MX35_PAD_STXFS4__GPIO2_31 -243 MX35_PAD_STXFS4__ARM11P_TOP_ARM_COREASID3 -244 MX35_PAD_STXD5__AUDMUX_AUD5_TXD -245 MX35_PAD_STXD5__SPDIF_SPDIF_OUT1 -246 MX35_PAD_STXD5__CSPI2_MOSI -247 MX35_PAD_STXD5__GPIO1_0 -248 MX35_PAD_STXD5__ARM11P_TOP_ARM_COREASID4 -249 MX35_PAD_SRXD5__AUDMUX_AUD5_RXD -250 MX35_PAD_SRXD5__SPDIF_SPDIF_IN1 -251 MX35_PAD_SRXD5__CSPI2_MISO -252 MX35_PAD_SRXD5__GPIO1_1 -253 MX35_PAD_SRXD5__ARM11P_TOP_ARM_COREASID5 -254 MX35_PAD_SCK5__AUDMUX_AUD5_TXC -255 MX35_PAD_SCK5__SPDIF_SPDIF_EXTCLK -256 MX35_PAD_SCK5__CSPI2_SCLK -257 MX35_PAD_SCK5__GPIO1_2 -258 MX35_PAD_SCK5__ARM11P_TOP_ARM_COREASID6 -259 MX35_PAD_STXFS5__AUDMUX_AUD5_TXFS -260 MX35_PAD_STXFS5__CSPI2_RDY -261 MX35_PAD_STXFS5__GPIO1_3 -262 MX35_PAD_STXFS5__ARM11P_TOP_ARM_COREASID7 -263 MX35_PAD_SCKR__ESAI_SCKR -264 MX35_PAD_SCKR__GPIO1_4 -265 MX35_PAD_SCKR__ARM11P_TOP_EVNTBUS_10 -266 MX35_PAD_FSR__ESAI_FSR -267 MX35_PAD_FSR__GPIO1_5 -268 MX35_PAD_FSR__ARM11P_TOP_EVNTBUS_11 -269 MX35_PAD_HCKR__ESAI_HCKR -270 MX35_PAD_HCKR__AUDMUX_AUD5_RXFS -271 MX35_PAD_HCKR__CSPI2_SS0 -272 MX35_PAD_HCKR__IPU_FLASH_STROBE -273 MX35_PAD_HCKR__GPIO1_6 -274 MX35_PAD_HCKR__ARM11P_TOP_EVNTBUS_12 -275 MX35_PAD_SCKT__ESAI_SCKT -276 MX35_PAD_SCKT__GPIO1_7 -277 MX35_PAD_SCKT__IPU_CSI_D_0 -278 MX35_PAD_SCKT__KPP_ROW_2 -279 MX35_PAD_FST__ESAI_FST -280 MX35_PAD_FST__GPIO1_8 -281 MX35_PAD_FST__IPU_CSI_D_1 -282 MX35_PAD_FST__KPP_ROW_3 -283 MX35_PAD_HCKT__ESAI_HCKT -284 MX35_PAD_HCKT__AUDMUX_AUD5_RXC -285 MX35_PAD_HCKT__GPIO1_9 -286 MX35_PAD_HCKT__IPU_CSI_D_2 -287 MX35_PAD_HCKT__KPP_COL_3 -288 MX35_PAD_TX5_RX0__ESAI_TX5_RX0 -289 MX35_PAD_TX5_RX0__AUDMUX_AUD4_RXC -290 MX35_PAD_TX5_RX0__CSPI2_SS2 -291 MX35_PAD_TX5_RX0__CAN2_TXCAN -292 MX35_PAD_TX5_RX0__UART2_DTR -293 MX35_PAD_TX5_RX0__GPIO1_10 -294 MX35_PAD_TX5_RX0__EMI_M3IF_CHOSEN_MASTER_0 -295 MX35_PAD_TX4_RX1__ESAI_TX4_RX1 -296 MX35_PAD_TX4_RX1__AUDMUX_AUD4_RXFS -297 MX35_PAD_TX4_RX1__CSPI2_SS3 -298 MX35_PAD_TX4_RX1__CAN2_RXCAN -299 MX35_PAD_TX4_RX1__UART2_DSR -300 MX35_PAD_TX4_RX1__GPIO1_11 -301 MX35_PAD_TX4_RX1__IPU_CSI_D_3 -302 MX35_PAD_TX4_RX1__KPP_ROW_0 -303 MX35_PAD_TX3_RX2__ESAI_TX3_RX2 -304 MX35_PAD_TX3_RX2__I2C3_SCL -305 MX35_PAD_TX3_RX2__EMI_NANDF_CE1 -306 MX35_PAD_TX3_RX2__GPIO1_12 -307 MX35_PAD_TX3_RX2__IPU_CSI_D_4 -308 MX35_PAD_TX3_RX2__KPP_ROW_1 -309 MX35_PAD_TX2_RX3__ESAI_TX2_RX3 -310 MX35_PAD_TX2_RX3__I2C3_SDA -311 MX35_PAD_TX2_RX3__EMI_NANDF_CE2 -312 MX35_PAD_TX2_RX3__GPIO1_13 -313 MX35_PAD_TX2_RX3__IPU_CSI_D_5 -314 MX35_PAD_TX2_RX3__KPP_COL_0 -315 MX35_PAD_TX1__ESAI_TX1 -316 MX35_PAD_TX1__CCM_PMIC_RDY -317 MX35_PAD_TX1__CSPI1_SS2 -318 MX35_PAD_TX1__EMI_NANDF_CE3 -319 MX35_PAD_TX1__UART2_RI -320 MX35_PAD_TX1__GPIO1_14 -321 MX35_PAD_TX1__IPU_CSI_D_6 -322 MX35_PAD_TX1__KPP_COL_1 -323 MX35_PAD_TX0__ESAI_TX0 -324 MX35_PAD_TX0__SPDIF_SPDIF_EXTCLK -325 MX35_PAD_TX0__CSPI1_SS3 -326 MX35_PAD_TX0__EMI_DTACK_B -327 MX35_PAD_TX0__UART2_DCD -328 MX35_PAD_TX0__GPIO1_15 -329 MX35_PAD_TX0__IPU_CSI_D_7 -330 MX35_PAD_TX0__KPP_COL_2 -331 MX35_PAD_CSPI1_MOSI__CSPI1_MOSI -332 MX35_PAD_CSPI1_MOSI__GPIO1_16 -333 MX35_PAD_CSPI1_MOSI__ECT_CTI_TRIG_OUT1_2 -334 MX35_PAD_CSPI1_MISO__CSPI1_MISO -335 MX35_PAD_CSPI1_MISO__GPIO1_17 -336 MX35_PAD_CSPI1_MISO__ECT_CTI_TRIG_OUT1_3 -337 MX35_PAD_CSPI1_SS0__CSPI1_SS0 -338 MX35_PAD_CSPI1_SS0__OWIRE_LINE -339 MX35_PAD_CSPI1_SS0__CSPI2_SS3 -340 MX35_PAD_CSPI1_SS0__GPIO1_18 -341 MX35_PAD_CSPI1_SS0__ECT_CTI_TRIG_OUT1_4 -342 MX35_PAD_CSPI1_SS1__CSPI1_SS1 -343 MX35_PAD_CSPI1_SS1__PWM_PWMO -344 MX35_PAD_CSPI1_SS1__CCM_CLK32K -345 MX35_PAD_CSPI1_SS1__GPIO1_19 -346 MX35_PAD_CSPI1_SS1__IPU_DIAGB_29 -347 MX35_PAD_CSPI1_SS1__ECT_CTI_TRIG_OUT1_5 -348 MX35_PAD_CSPI1_SCLK__CSPI1_SCLK -349 MX35_PAD_CSPI1_SCLK__GPIO3_4 -350 MX35_PAD_CSPI1_SCLK__IPU_DIAGB_30 -351 MX35_PAD_CSPI1_SCLK__EMI_M3IF_CHOSEN_MASTER_1 -352 MX35_PAD_CSPI1_SPI_RDY__CSPI1_RDY -353 MX35_PAD_CSPI1_SPI_RDY__GPIO3_5 -354 MX35_PAD_CSPI1_SPI_RDY__IPU_DIAGB_31 -355 MX35_PAD_CSPI1_SPI_RDY__EMI_M3IF_CHOSEN_MASTER_2 -356 MX35_PAD_RXD1__UART1_RXD_MUX -357 MX35_PAD_RXD1__CSPI2_MOSI -358 MX35_PAD_RXD1__KPP_COL_4 -359 MX35_PAD_RXD1__GPIO3_6 -360 MX35_PAD_RXD1__ARM11P_TOP_EVNTBUS_16 -361 MX35_PAD_TXD1__UART1_TXD_MUX -362 MX35_PAD_TXD1__CSPI2_MISO -363 MX35_PAD_TXD1__KPP_COL_5 -364 MX35_PAD_TXD1__GPIO3_7 -365 MX35_PAD_TXD1__ARM11P_TOP_EVNTBUS_17 -366 MX35_PAD_RTS1__UART1_RTS -367 MX35_PAD_RTS1__CSPI2_SCLK -368 MX35_PAD_RTS1__I2C3_SCL -369 MX35_PAD_RTS1__IPU_CSI_D_0 -370 MX35_PAD_RTS1__KPP_COL_6 -371 MX35_PAD_RTS1__GPIO3_8 -372 MX35_PAD_RTS1__EMI_NANDF_CE1 -373 MX35_PAD_RTS1__ARM11P_TOP_EVNTBUS_18 -374 MX35_PAD_CTS1__UART1_CTS -375 MX35_PAD_CTS1__CSPI2_RDY -376 MX35_PAD_CTS1__I2C3_SDA -377 MX35_PAD_CTS1__IPU_CSI_D_1 -378 MX35_PAD_CTS1__KPP_COL_7 -379 MX35_PAD_CTS1__GPIO3_9 -380 MX35_PAD_CTS1__EMI_NANDF_CE2 -381 MX35_PAD_CTS1__ARM11P_TOP_EVNTBUS_19 -382 MX35_PAD_RXD2__UART2_RXD_MUX -383 MX35_PAD_RXD2__KPP_ROW_4 -384 MX35_PAD_RXD2__GPIO3_10 -385 MX35_PAD_TXD2__UART2_TXD_MUX -386 MX35_PAD_TXD2__SPDIF_SPDIF_EXTCLK -387 MX35_PAD_TXD2__KPP_ROW_5 -388 MX35_PAD_TXD2__GPIO3_11 -389 MX35_PAD_RTS2__UART2_RTS -390 MX35_PAD_RTS2__SPDIF_SPDIF_IN1 -391 MX35_PAD_RTS2__CAN2_RXCAN -392 MX35_PAD_RTS2__IPU_CSI_D_2 -393 MX35_PAD_RTS2__KPP_ROW_6 -394 MX35_PAD_RTS2__GPIO3_12 -395 MX35_PAD_RTS2__AUDMUX_AUD5_RXC -396 MX35_PAD_RTS2__UART3_RXD_MUX -397 MX35_PAD_CTS2__UART2_CTS -398 MX35_PAD_CTS2__SPDIF_SPDIF_OUT1 -399 MX35_PAD_CTS2__CAN2_TXCAN -400 MX35_PAD_CTS2__IPU_CSI_D_3 -401 MX35_PAD_CTS2__KPP_ROW_7 -402 MX35_PAD_CTS2__GPIO3_13 -403 MX35_PAD_CTS2__AUDMUX_AUD5_RXFS -404 MX35_PAD_CTS2__UART3_TXD_MUX -405 MX35_PAD_RTCK__ARM11P_TOP_RTCK -406 MX35_PAD_TCK__SJC_TCK -407 MX35_PAD_TMS__SJC_TMS -408 MX35_PAD_TDI__SJC_TDI -409 MX35_PAD_TDO__SJC_TDO -410 MX35_PAD_TRSTB__SJC_TRSTB -411 MX35_PAD_DE_B__SJC_DE_B -412 MX35_PAD_SJC_MOD__SJC_MOD -413 MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR -414 MX35_PAD_USBOTG_PWR__USB_TOP_USBH2_PWR -415 MX35_PAD_USBOTG_PWR__GPIO3_14 -416 MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC -417 MX35_PAD_USBOTG_OC__USB_TOP_USBH2_OC -418 MX35_PAD_USBOTG_OC__GPIO3_15 -419 MX35_PAD_LD0__IPU_DISPB_DAT_0 -420 MX35_PAD_LD0__GPIO2_0 -421 MX35_PAD_LD0__SDMA_SDMA_DEBUG_PC_0 -422 MX35_PAD_LD1__IPU_DISPB_DAT_1 -423 MX35_PAD_LD1__GPIO2_1 -424 MX35_PAD_LD1__SDMA_SDMA_DEBUG_PC_1 -425 MX35_PAD_LD2__IPU_DISPB_DAT_2 -426 MX35_PAD_LD2__GPIO2_2 -427 MX35_PAD_LD2__SDMA_SDMA_DEBUG_PC_2 -428 MX35_PAD_LD3__IPU_DISPB_DAT_3 -429 MX35_PAD_LD3__GPIO2_3 -430 MX35_PAD_LD3__SDMA_SDMA_DEBUG_PC_3 -431 MX35_PAD_LD4__IPU_DISPB_DAT_4 -432 MX35_PAD_LD4__GPIO2_4 -433 MX35_PAD_LD4__SDMA_SDMA_DEBUG_PC_4 -434 MX35_PAD_LD5__IPU_DISPB_DAT_5 -435 MX35_PAD_LD5__GPIO2_5 -436 MX35_PAD_LD5__SDMA_SDMA_DEBUG_PC_5 -437 MX35_PAD_LD6__IPU_DISPB_DAT_6 -438 MX35_PAD_LD6__GPIO2_6 -439 MX35_PAD_LD6__SDMA_SDMA_DEBUG_PC_6 -440 MX35_PAD_LD7__IPU_DISPB_DAT_7 -441 MX35_PAD_LD7__GPIO2_7 -442 MX35_PAD_LD7__SDMA_SDMA_DEBUG_PC_7 -443 MX35_PAD_LD8__IPU_DISPB_DAT_8 -444 MX35_PAD_LD8__GPIO2_8 -445 MX35_PAD_LD8__SDMA_SDMA_DEBUG_PC_8 -446 MX35_PAD_LD9__IPU_DISPB_DAT_9 -447 MX35_PAD_LD9__GPIO2_9 -448 MX35_PAD_LD9__SDMA_SDMA_DEBUG_PC_9 -449 MX35_PAD_LD10__IPU_DISPB_DAT_10 -450 MX35_PAD_LD10__GPIO2_10 -451 MX35_PAD_LD10__SDMA_SDMA_DEBUG_PC_10 -452 MX35_PAD_LD11__IPU_DISPB_DAT_11 -453 MX35_PAD_LD11__GPIO2_11 -454 MX35_PAD_LD11__SDMA_SDMA_DEBUG_PC_11 -455 MX35_PAD_LD11__ARM11P_TOP_TRACE_4 -456 MX35_PAD_LD12__IPU_DISPB_DAT_12 -457 MX35_PAD_LD12__GPIO2_12 -458 MX35_PAD_LD12__SDMA_SDMA_DEBUG_PC_12 -459 MX35_PAD_LD12__ARM11P_TOP_TRACE_5 -460 MX35_PAD_LD13__IPU_DISPB_DAT_13 -461 MX35_PAD_LD13__GPIO2_13 -462 MX35_PAD_LD13__SDMA_SDMA_DEBUG_PC_13 -463 MX35_PAD_LD13__ARM11P_TOP_TRACE_6 -464 MX35_PAD_LD14__IPU_DISPB_DAT_14 -465 MX35_PAD_LD14__GPIO2_14 -466 MX35_PAD_LD14__SDMA_SDMA_DEBUG_EVENT_CHANNEL_0 -467 MX35_PAD_LD14__ARM11P_TOP_TRACE_7 -468 MX35_PAD_LD15__IPU_DISPB_DAT_15 -469 MX35_PAD_LD15__GPIO2_15 -470 MX35_PAD_LD15__SDMA_SDMA_DEBUG_EVENT_CHANNEL_1 -471 MX35_PAD_LD15__ARM11P_TOP_TRACE_8 -472 MX35_PAD_LD16__IPU_DISPB_DAT_16 -473 MX35_PAD_LD16__IPU_DISPB_D12_VSYNC -474 MX35_PAD_LD16__GPIO2_16 -475 MX35_PAD_LD16__SDMA_SDMA_DEBUG_EVENT_CHANNEL_2 -476 MX35_PAD_LD16__ARM11P_TOP_TRACE_9 -477 MX35_PAD_LD17__IPU_DISPB_DAT_17 -478 MX35_PAD_LD17__IPU_DISPB_CS2 -479 MX35_PAD_LD17__GPIO2_17 -480 MX35_PAD_LD17__SDMA_SDMA_DEBUG_EVENT_CHANNEL_3 -481 MX35_PAD_LD17__ARM11P_TOP_TRACE_10 -482 MX35_PAD_LD18__IPU_DISPB_DAT_18 -483 MX35_PAD_LD18__IPU_DISPB_D0_VSYNC -484 MX35_PAD_LD18__IPU_DISPB_D12_VSYNC -485 MX35_PAD_LD18__ESDHC3_CMD -486 MX35_PAD_LD18__USB_TOP_USBOTG_DATA_3 -487 MX35_PAD_LD18__GPIO3_24 -488 MX35_PAD_LD18__SDMA_SDMA_DEBUG_EVENT_CHANNEL_4 -489 MX35_PAD_LD18__ARM11P_TOP_TRACE_11 -490 MX35_PAD_LD19__IPU_DISPB_DAT_19 -491 MX35_PAD_LD19__IPU_DISPB_BCLK -492 MX35_PAD_LD19__IPU_DISPB_CS1 -493 MX35_PAD_LD19__ESDHC3_CLK -494 MX35_PAD_LD19__USB_TOP_USBOTG_DIR -495 MX35_PAD_LD19__GPIO3_25 -496 MX35_PAD_LD19__SDMA_SDMA_DEBUG_EVENT_CHANNEL_5 -497 MX35_PAD_LD19__ARM11P_TOP_TRACE_12 -498 MX35_PAD_LD20__IPU_DISPB_DAT_20 -499 MX35_PAD_LD20__IPU_DISPB_CS0 -500 MX35_PAD_LD20__IPU_DISPB_SD_CLK -501 MX35_PAD_LD20__ESDHC3_DAT0 -502 MX35_PAD_LD20__GPIO3_26 -503 MX35_PAD_LD20__SDMA_SDMA_DEBUG_CORE_STATUS_3 -504 MX35_PAD_LD20__ARM11P_TOP_TRACE_13 -505 MX35_PAD_LD21__IPU_DISPB_DAT_21 -506 MX35_PAD_LD21__IPU_DISPB_PAR_RS -507 MX35_PAD_LD21__IPU_DISPB_SER_RS -508 MX35_PAD_LD21__ESDHC3_DAT1 -509 MX35_PAD_LD21__USB_TOP_USBOTG_STP -510 MX35_PAD_LD21__GPIO3_27 -511 MX35_PAD_LD21__SDMA_DEBUG_EVENT_CHANNEL_SEL -512 MX35_PAD_LD21__ARM11P_TOP_TRACE_14 -513 MX35_PAD_LD22__IPU_DISPB_DAT_22 -514 MX35_PAD_LD22__IPU_DISPB_WR -515 MX35_PAD_LD22__IPU_DISPB_SD_D_I -516 MX35_PAD_LD22__ESDHC3_DAT2 -517 MX35_PAD_LD22__USB_TOP_USBOTG_NXT -518 MX35_PAD_LD22__GPIO3_28 -519 MX35_PAD_LD22__SDMA_DEBUG_BUS_ERROR -520 MX35_PAD_LD22__ARM11P_TOP_TRCTL -521 MX35_PAD_LD23__IPU_DISPB_DAT_23 -522 MX35_PAD_LD23__IPU_DISPB_RD -523 MX35_PAD_LD23__IPU_DISPB_SD_D_IO -524 MX35_PAD_LD23__ESDHC3_DAT3 -525 MX35_PAD_LD23__USB_TOP_USBOTG_DATA_7 -526 MX35_PAD_LD23__GPIO3_29 -527 MX35_PAD_LD23__SDMA_DEBUG_MATCHED_DMBUS -528 MX35_PAD_LD23__ARM11P_TOP_TRCLK -529 MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC -530 MX35_PAD_D3_HSYNC__IPU_DISPB_SD_D_IO -531 MX35_PAD_D3_HSYNC__GPIO3_30 -532 MX35_PAD_D3_HSYNC__SDMA_DEBUG_RTBUFFER_WRITE -533 MX35_PAD_D3_HSYNC__ARM11P_TOP_TRACE_15 -534 MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK -535 MX35_PAD_D3_FPSHIFT__IPU_DISPB_SD_CLK -536 MX35_PAD_D3_FPSHIFT__GPIO3_31 -537 MX35_PAD_D3_FPSHIFT__SDMA_SDMA_DEBUG_CORE_STATUS_0 -538 MX35_PAD_D3_FPSHIFT__ARM11P_TOP_TRACE_16 -539 MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY -540 MX35_PAD_D3_DRDY__IPU_DISPB_SD_D_O -541 MX35_PAD_D3_DRDY__GPIO1_0 -542 MX35_PAD_D3_DRDY__SDMA_SDMA_DEBUG_CORE_STATUS_1 -543 MX35_PAD_D3_DRDY__ARM11P_TOP_TRACE_17 -544 MX35_PAD_CONTRAST__IPU_DISPB_CONTR -545 MX35_PAD_CONTRAST__GPIO1_1 -546 MX35_PAD_CONTRAST__SDMA_SDMA_DEBUG_CORE_STATUS_2 -547 MX35_PAD_CONTRAST__ARM11P_TOP_TRACE_18 -548 MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC -549 MX35_PAD_D3_VSYNC__IPU_DISPB_CS1 -550 MX35_PAD_D3_VSYNC__GPIO1_2 -551 MX35_PAD_D3_VSYNC__SDMA_DEBUG_YIELD -552 MX35_PAD_D3_VSYNC__ARM11P_TOP_TRACE_19 -553 MX35_PAD_D3_REV__IPU_DISPB_D3_REV -554 MX35_PAD_D3_REV__IPU_DISPB_SER_RS -555 MX35_PAD_D3_REV__GPIO1_3 -556 MX35_PAD_D3_REV__SDMA_DEBUG_BUS_RWB -557 MX35_PAD_D3_REV__ARM11P_TOP_TRACE_20 -558 MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS -559 MX35_PAD_D3_CLS__IPU_DISPB_CS2 -560 MX35_PAD_D3_CLS__GPIO1_4 -561 MX35_PAD_D3_CLS__SDMA_DEBUG_BUS_DEVICE_0 -562 MX35_PAD_D3_CLS__ARM11P_TOP_TRACE_21 -563 MX35_PAD_D3_SPL__IPU_DISPB_D3_SPL -564 MX35_PAD_D3_SPL__IPU_DISPB_D12_VSYNC -565 MX35_PAD_D3_SPL__GPIO1_5 -566 MX35_PAD_D3_SPL__SDMA_DEBUG_BUS_DEVICE_1 -567 MX35_PAD_D3_SPL__ARM11P_TOP_TRACE_22 -568 MX35_PAD_SD1_CMD__ESDHC1_CMD -569 MX35_PAD_SD1_CMD__MSHC_SCLK -570 MX35_PAD_SD1_CMD__IPU_DISPB_D0_VSYNC -571 MX35_PAD_SD1_CMD__USB_TOP_USBOTG_DATA_4 -572 MX35_PAD_SD1_CMD__GPIO1_6 -573 MX35_PAD_SD1_CMD__ARM11P_TOP_TRCTL -574 MX35_PAD_SD1_CLK__ESDHC1_CLK -575 MX35_PAD_SD1_CLK__MSHC_BS -576 MX35_PAD_SD1_CLK__IPU_DISPB_BCLK -577 MX35_PAD_SD1_CLK__USB_TOP_USBOTG_DATA_5 -578 MX35_PAD_SD1_CLK__GPIO1_7 -579 MX35_PAD_SD1_CLK__ARM11P_TOP_TRCLK -580 MX35_PAD_SD1_DATA0__ESDHC1_DAT0 -581 MX35_PAD_SD1_DATA0__MSHC_DATA_0 -582 MX35_PAD_SD1_DATA0__IPU_DISPB_CS0 -583 MX35_PAD_SD1_DATA0__USB_TOP_USBOTG_DATA_6 -584 MX35_PAD_SD1_DATA0__GPIO1_8 -585 MX35_PAD_SD1_DATA0__ARM11P_TOP_TRACE_23 -586 MX35_PAD_SD1_DATA1__ESDHC1_DAT1 -587 MX35_PAD_SD1_DATA1__MSHC_DATA_1 -588 MX35_PAD_SD1_DATA1__IPU_DISPB_PAR_RS -589 MX35_PAD_SD1_DATA1__USB_TOP_USBOTG_DATA_0 -590 MX35_PAD_SD1_DATA1__GPIO1_9 -591 MX35_PAD_SD1_DATA1__ARM11P_TOP_TRACE_24 -592 MX35_PAD_SD1_DATA2__ESDHC1_DAT2 -593 MX35_PAD_SD1_DATA2__MSHC_DATA_2 -594 MX35_PAD_SD1_DATA2__IPU_DISPB_WR -595 MX35_PAD_SD1_DATA2__USB_TOP_USBOTG_DATA_1 -596 MX35_PAD_SD1_DATA2__GPIO1_10 -597 MX35_PAD_SD1_DATA2__ARM11P_TOP_TRACE_25 -598 MX35_PAD_SD1_DATA3__ESDHC1_DAT3 -599 MX35_PAD_SD1_DATA3__MSHC_DATA_3 -600 MX35_PAD_SD1_DATA3__IPU_DISPB_RD -601 MX35_PAD_SD1_DATA3__USB_TOP_USBOTG_DATA_2 -602 MX35_PAD_SD1_DATA3__GPIO1_11 -603 MX35_PAD_SD1_DATA3__ARM11P_TOP_TRACE_26 -604 MX35_PAD_SD2_CMD__ESDHC2_CMD -605 MX35_PAD_SD2_CMD__I2C3_SCL -606 MX35_PAD_SD2_CMD__ESDHC1_DAT4 -607 MX35_PAD_SD2_CMD__IPU_CSI_D_2 -608 MX35_PAD_SD2_CMD__USB_TOP_USBH2_DATA_4 -609 MX35_PAD_SD2_CMD__GPIO2_0 -610 MX35_PAD_SD2_CMD__SPDIF_SPDIF_OUT1 -611 MX35_PAD_SD2_CMD__IPU_DISPB_D12_VSYNC -612 MX35_PAD_SD2_CLK__ESDHC2_CLK -613 MX35_PAD_SD2_CLK__I2C3_SDA -614 MX35_PAD_SD2_CLK__ESDHC1_DAT5 -615 MX35_PAD_SD2_CLK__IPU_CSI_D_3 -616 MX35_PAD_SD2_CLK__USB_TOP_USBH2_DATA_5 -617 MX35_PAD_SD2_CLK__GPIO2_1 -618 MX35_PAD_SD2_CLK__SPDIF_SPDIF_IN1 -619 MX35_PAD_SD2_CLK__IPU_DISPB_CS2 -620 MX35_PAD_SD2_DATA0__ESDHC2_DAT0 -621 MX35_PAD_SD2_DATA0__UART3_RXD_MUX -622 MX35_PAD_SD2_DATA0__ESDHC1_DAT6 -623 MX35_PAD_SD2_DATA0__IPU_CSI_D_4 -624 MX35_PAD_SD2_DATA0__USB_TOP_USBH2_DATA_6 -625 MX35_PAD_SD2_DATA0__GPIO2_2 -626 MX35_PAD_SD2_DATA0__SPDIF_SPDIF_EXTCLK -627 MX35_PAD_SD2_DATA1__ESDHC2_DAT1 -628 MX35_PAD_SD2_DATA1__UART3_TXD_MUX -629 MX35_PAD_SD2_DATA1__ESDHC1_DAT7 -630 MX35_PAD_SD2_DATA1__IPU_CSI_D_5 -631 MX35_PAD_SD2_DATA1__USB_TOP_USBH2_DATA_0 -632 MX35_PAD_SD2_DATA1__GPIO2_3 -633 MX35_PAD_SD2_DATA2__ESDHC2_DAT2 -634 MX35_PAD_SD2_DATA2__UART3_RTS -635 MX35_PAD_SD2_DATA2__CAN1_RXCAN -636 MX35_PAD_SD2_DATA2__IPU_CSI_D_6 -637 MX35_PAD_SD2_DATA2__USB_TOP_USBH2_DATA_1 -638 MX35_PAD_SD2_DATA2__GPIO2_4 -639 MX35_PAD_SD2_DATA3__ESDHC2_DAT3 -640 MX35_PAD_SD2_DATA3__UART3_CTS -641 MX35_PAD_SD2_DATA3__CAN1_TXCAN -642 MX35_PAD_SD2_DATA3__IPU_CSI_D_7 -643 MX35_PAD_SD2_DATA3__USB_TOP_USBH2_DATA_2 -644 MX35_PAD_SD2_DATA3__GPIO2_5 -645 MX35_PAD_ATA_CS0__ATA_CS0 -646 MX35_PAD_ATA_CS0__CSPI1_SS3 -647 MX35_PAD_ATA_CS0__IPU_DISPB_CS1 -648 MX35_PAD_ATA_CS0__GPIO2_6 -649 MX35_PAD_ATA_CS0__IPU_DIAGB_0 -650 MX35_PAD_ATA_CS0__ARM11P_TOP_MAX1_HMASTER_0 -651 MX35_PAD_ATA_CS1__ATA_CS1 -652 MX35_PAD_ATA_CS1__IPU_DISPB_CS2 -653 MX35_PAD_ATA_CS1__CSPI2_SS0 -654 MX35_PAD_ATA_CS1__GPIO2_7 -655 MX35_PAD_ATA_CS1__IPU_DIAGB_1 -656 MX35_PAD_ATA_CS1__ARM11P_TOP_MAX1_HMASTER_1 -657 MX35_PAD_ATA_DIOR__ATA_DIOR -658 MX35_PAD_ATA_DIOR__ESDHC3_DAT0 -659 MX35_PAD_ATA_DIOR__USB_TOP_USBOTG_DIR -660 MX35_PAD_ATA_DIOR__IPU_DISPB_BE0 -661 MX35_PAD_ATA_DIOR__CSPI2_SS1 -662 MX35_PAD_ATA_DIOR__GPIO2_8 -663 MX35_PAD_ATA_DIOR__IPU_DIAGB_2 -664 MX35_PAD_ATA_DIOR__ARM11P_TOP_MAX1_HMASTER_2 -665 MX35_PAD_ATA_DIOW__ATA_DIOW -666 MX35_PAD_ATA_DIOW__ESDHC3_DAT1 -667 MX35_PAD_ATA_DIOW__USB_TOP_USBOTG_STP -668 MX35_PAD_ATA_DIOW__IPU_DISPB_BE1 -669 MX35_PAD_ATA_DIOW__CSPI2_MOSI -670 MX35_PAD_ATA_DIOW__GPIO2_9 -671 MX35_PAD_ATA_DIOW__IPU_DIAGB_3 -672 MX35_PAD_ATA_DIOW__ARM11P_TOP_MAX1_HMASTER_3 -673 MX35_PAD_ATA_DMACK__ATA_DMACK -674 MX35_PAD_ATA_DMACK__ESDHC3_DAT2 -675 MX35_PAD_ATA_DMACK__USB_TOP_USBOTG_NXT -676 MX35_PAD_ATA_DMACK__CSPI2_MISO -677 MX35_PAD_ATA_DMACK__GPIO2_10 -678 MX35_PAD_ATA_DMACK__IPU_DIAGB_4 -679 MX35_PAD_ATA_DMACK__ARM11P_TOP_MAX0_HMASTER_0 -680 MX35_PAD_ATA_RESET_B__ATA_RESET_B -681 MX35_PAD_ATA_RESET_B__ESDHC3_DAT3 -682 MX35_PAD_ATA_RESET_B__USB_TOP_USBOTG_DATA_0 -683 MX35_PAD_ATA_RESET_B__IPU_DISPB_SD_D_O -684 MX35_PAD_ATA_RESET_B__CSPI2_RDY -685 MX35_PAD_ATA_RESET_B__GPIO2_11 -686 MX35_PAD_ATA_RESET_B__IPU_DIAGB_5 -687 MX35_PAD_ATA_RESET_B__ARM11P_TOP_MAX0_HMASTER_1 -688 MX35_PAD_ATA_IORDY__ATA_IORDY -689 MX35_PAD_ATA_IORDY__ESDHC3_DAT4 -690 MX35_PAD_ATA_IORDY__USB_TOP_USBOTG_DATA_1 -691 MX35_PAD_ATA_IORDY__IPU_DISPB_SD_D_IO -692 MX35_PAD_ATA_IORDY__ESDHC2_DAT4 -693 MX35_PAD_ATA_IORDY__GPIO2_12 -694 MX35_PAD_ATA_IORDY__IPU_DIAGB_6 -695 MX35_PAD_ATA_IORDY__ARM11P_TOP_MAX0_HMASTER_2 -696 MX35_PAD_ATA_DATA0__ATA_DATA_0 -697 MX35_PAD_ATA_DATA0__ESDHC3_DAT5 -698 MX35_PAD_ATA_DATA0__USB_TOP_USBOTG_DATA_2 -699 MX35_PAD_ATA_DATA0__IPU_DISPB_D12_VSYNC -700 MX35_PAD_ATA_DATA0__ESDHC2_DAT5 -701 MX35_PAD_ATA_DATA0__GPIO2_13 -702 MX35_PAD_ATA_DATA0__IPU_DIAGB_7 -703 MX35_PAD_ATA_DATA0__ARM11P_TOP_MAX0_HMASTER_3 -704 MX35_PAD_ATA_DATA1__ATA_DATA_1 -705 MX35_PAD_ATA_DATA1__ESDHC3_DAT6 -706 MX35_PAD_ATA_DATA1__USB_TOP_USBOTG_DATA_3 -707 MX35_PAD_ATA_DATA1__IPU_DISPB_SD_CLK -708 MX35_PAD_ATA_DATA1__ESDHC2_DAT6 -709 MX35_PAD_ATA_DATA1__GPIO2_14 -710 MX35_PAD_ATA_DATA1__IPU_DIAGB_8 -711 MX35_PAD_ATA_DATA1__ARM11P_TOP_TRACE_27 -712 MX35_PAD_ATA_DATA2__ATA_DATA_2 -713 MX35_PAD_ATA_DATA2__ESDHC3_DAT7 -714 MX35_PAD_ATA_DATA2__USB_TOP_USBOTG_DATA_4 -715 MX35_PAD_ATA_DATA2__IPU_DISPB_SER_RS -716 MX35_PAD_ATA_DATA2__ESDHC2_DAT7 -717 MX35_PAD_ATA_DATA2__GPIO2_15 -718 MX35_PAD_ATA_DATA2__IPU_DIAGB_9 -719 MX35_PAD_ATA_DATA2__ARM11P_TOP_TRACE_28 -720 MX35_PAD_ATA_DATA3__ATA_DATA_3 -721 MX35_PAD_ATA_DATA3__ESDHC3_CLK -722 MX35_PAD_ATA_DATA3__USB_TOP_USBOTG_DATA_5 -723 MX35_PAD_ATA_DATA3__CSPI2_SCLK -724 MX35_PAD_ATA_DATA3__GPIO2_16 -725 MX35_PAD_ATA_DATA3__IPU_DIAGB_10 -726 MX35_PAD_ATA_DATA3__ARM11P_TOP_TRACE_29 -727 MX35_PAD_ATA_DATA4__ATA_DATA_4 -728 MX35_PAD_ATA_DATA4__ESDHC3_CMD -729 MX35_PAD_ATA_DATA4__USB_TOP_USBOTG_DATA_6 -730 MX35_PAD_ATA_DATA4__GPIO2_17 -731 MX35_PAD_ATA_DATA4__IPU_DIAGB_11 -732 MX35_PAD_ATA_DATA4__ARM11P_TOP_TRACE_30 -733 MX35_PAD_ATA_DATA5__ATA_DATA_5 -734 MX35_PAD_ATA_DATA5__USB_TOP_USBOTG_DATA_7 -735 MX35_PAD_ATA_DATA5__GPIO2_18 -736 MX35_PAD_ATA_DATA5__IPU_DIAGB_12 -737 MX35_PAD_ATA_DATA5__ARM11P_TOP_TRACE_31 -738 MX35_PAD_ATA_DATA6__ATA_DATA_6 -739 MX35_PAD_ATA_DATA6__CAN1_TXCAN -740 MX35_PAD_ATA_DATA6__UART1_DTR -741 MX35_PAD_ATA_DATA6__AUDMUX_AUD6_TXD -742 MX35_PAD_ATA_DATA6__GPIO2_19 -743 MX35_PAD_ATA_DATA6__IPU_DIAGB_13 -744 MX35_PAD_ATA_DATA7__ATA_DATA_7 -745 MX35_PAD_ATA_DATA7__CAN1_RXCAN -746 MX35_PAD_ATA_DATA7__UART1_DSR -747 MX35_PAD_ATA_DATA7__AUDMUX_AUD6_RXD -748 MX35_PAD_ATA_DATA7__GPIO2_20 -749 MX35_PAD_ATA_DATA7__IPU_DIAGB_14 -750 MX35_PAD_ATA_DATA8__ATA_DATA_8 -751 MX35_PAD_ATA_DATA8__UART3_RTS -752 MX35_PAD_ATA_DATA8__UART1_RI -753 MX35_PAD_ATA_DATA8__AUDMUX_AUD6_TXC -754 MX35_PAD_ATA_DATA8__GPIO2_21 -755 MX35_PAD_ATA_DATA8__IPU_DIAGB_15 -756 MX35_PAD_ATA_DATA9__ATA_DATA_9 -757 MX35_PAD_ATA_DATA9__UART3_CTS -758 MX35_PAD_ATA_DATA9__UART1_DCD -759 MX35_PAD_ATA_DATA9__AUDMUX_AUD6_TXFS -760 MX35_PAD_ATA_DATA9__GPIO2_22 -761 MX35_PAD_ATA_DATA9__IPU_DIAGB_16 -762 MX35_PAD_ATA_DATA10__ATA_DATA_10 -763 MX35_PAD_ATA_DATA10__UART3_RXD_MUX -764 MX35_PAD_ATA_DATA10__AUDMUX_AUD6_RXC -765 MX35_PAD_ATA_DATA10__GPIO2_23 -766 MX35_PAD_ATA_DATA10__IPU_DIAGB_17 -767 MX35_PAD_ATA_DATA11__ATA_DATA_11 -768 MX35_PAD_ATA_DATA11__UART3_TXD_MUX -769 MX35_PAD_ATA_DATA11__AUDMUX_AUD6_RXFS -770 MX35_PAD_ATA_DATA11__GPIO2_24 -771 MX35_PAD_ATA_DATA11__IPU_DIAGB_18 -772 MX35_PAD_ATA_DATA12__ATA_DATA_12 -773 MX35_PAD_ATA_DATA12__I2C3_SCL -774 MX35_PAD_ATA_DATA12__GPIO2_25 -775 MX35_PAD_ATA_DATA12__IPU_DIAGB_19 -776 MX35_PAD_ATA_DATA13__ATA_DATA_13 -777 MX35_PAD_ATA_DATA13__I2C3_SDA -778 MX35_PAD_ATA_DATA13__GPIO2_26 -779 MX35_PAD_ATA_DATA13__IPU_DIAGB_20 -780 MX35_PAD_ATA_DATA14__ATA_DATA_14 -781 MX35_PAD_ATA_DATA14__IPU_CSI_D_0 -782 MX35_PAD_ATA_DATA14__KPP_ROW_0 -783 MX35_PAD_ATA_DATA14__GPIO2_27 -784 MX35_PAD_ATA_DATA14__IPU_DIAGB_21 -785 MX35_PAD_ATA_DATA15__ATA_DATA_15 -786 MX35_PAD_ATA_DATA15__IPU_CSI_D_1 -787 MX35_PAD_ATA_DATA15__KPP_ROW_1 -788 MX35_PAD_ATA_DATA15__GPIO2_28 -789 MX35_PAD_ATA_DATA15__IPU_DIAGB_22 -790 MX35_PAD_ATA_INTRQ__ATA_INTRQ -791 MX35_PAD_ATA_INTRQ__IPU_CSI_D_2 -792 MX35_PAD_ATA_INTRQ__KPP_ROW_2 -793 MX35_PAD_ATA_INTRQ__GPIO2_29 -794 MX35_PAD_ATA_INTRQ__IPU_DIAGB_23 -795 MX35_PAD_ATA_BUFF_EN__ATA_BUFFER_EN -796 MX35_PAD_ATA_BUFF_EN__IPU_CSI_D_3 -797 MX35_PAD_ATA_BUFF_EN__KPP_ROW_3 -798 MX35_PAD_ATA_BUFF_EN__GPIO2_30 -799 MX35_PAD_ATA_BUFF_EN__IPU_DIAGB_24 -800 MX35_PAD_ATA_DMARQ__ATA_DMARQ -801 MX35_PAD_ATA_DMARQ__IPU_CSI_D_4 -802 MX35_PAD_ATA_DMARQ__KPP_COL_0 -803 MX35_PAD_ATA_DMARQ__GPIO2_31 -804 MX35_PAD_ATA_DMARQ__IPU_DIAGB_25 -805 MX35_PAD_ATA_DMARQ__ECT_CTI_TRIG_IN1_4 -806 MX35_PAD_ATA_DA0__ATA_DA_0 -807 MX35_PAD_ATA_DA0__IPU_CSI_D_5 -808 MX35_PAD_ATA_DA0__KPP_COL_1 -809 MX35_PAD_ATA_DA0__GPIO3_0 -810 MX35_PAD_ATA_DA0__IPU_DIAGB_26 -811 MX35_PAD_ATA_DA0__ECT_CTI_TRIG_IN1_5 -812 MX35_PAD_ATA_DA1__ATA_DA_1 -813 MX35_PAD_ATA_DA1__IPU_CSI_D_6 -814 MX35_PAD_ATA_DA1__KPP_COL_2 -815 MX35_PAD_ATA_DA1__GPIO3_1 -816 MX35_PAD_ATA_DA1__IPU_DIAGB_27 -817 MX35_PAD_ATA_DA1__ECT_CTI_TRIG_IN1_6 -818 MX35_PAD_ATA_DA2__ATA_DA_2 -819 MX35_PAD_ATA_DA2__IPU_CSI_D_7 -820 MX35_PAD_ATA_DA2__KPP_COL_3 -821 MX35_PAD_ATA_DA2__GPIO3_2 -822 MX35_PAD_ATA_DA2__IPU_DIAGB_28 -823 MX35_PAD_ATA_DA2__ECT_CTI_TRIG_IN1_7 -824 MX35_PAD_MLB_CLK__MLB_MLBCLK -825 MX35_PAD_MLB_CLK__GPIO3_3 -826 MX35_PAD_MLB_DAT__MLB_MLBDAT -827 MX35_PAD_MLB_DAT__GPIO3_4 -828 MX35_PAD_MLB_SIG__MLB_MLBSIG -829 MX35_PAD_MLB_SIG__GPIO3_5 -830 MX35_PAD_FEC_TX_CLK__FEC_TX_CLK -831 MX35_PAD_FEC_TX_CLK__ESDHC1_DAT4 -832 MX35_PAD_FEC_TX_CLK__UART3_RXD_MUX -833 MX35_PAD_FEC_TX_CLK__USB_TOP_USBH2_DIR -834 MX35_PAD_FEC_TX_CLK__CSPI2_MOSI -835 MX35_PAD_FEC_TX_CLK__GPIO3_6 -836 MX35_PAD_FEC_TX_CLK__IPU_DISPB_D12_VSYNC -837 MX35_PAD_FEC_TX_CLK__ARM11P_TOP_EVNTBUS_0 -838 MX35_PAD_FEC_RX_CLK__FEC_RX_CLK -839 MX35_PAD_FEC_RX_CLK__ESDHC1_DAT5 -840 MX35_PAD_FEC_RX_CLK__UART3_TXD_MUX -841 MX35_PAD_FEC_RX_CLK__USB_TOP_USBH2_STP -842 MX35_PAD_FEC_RX_CLK__CSPI2_MISO -843 MX35_PAD_FEC_RX_CLK__GPIO3_7 -844 MX35_PAD_FEC_RX_CLK__IPU_DISPB_SD_D_I -845 MX35_PAD_FEC_RX_CLK__ARM11P_TOP_EVNTBUS_1 -846 MX35_PAD_FEC_RX_DV__FEC_RX_DV -847 MX35_PAD_FEC_RX_DV__ESDHC1_DAT6 -848 MX35_PAD_FEC_RX_DV__UART3_RTS -849 MX35_PAD_FEC_RX_DV__USB_TOP_USBH2_NXT -850 MX35_PAD_FEC_RX_DV__CSPI2_SCLK -851 MX35_PAD_FEC_RX_DV__GPIO3_8 -852 MX35_PAD_FEC_RX_DV__IPU_DISPB_SD_CLK -853 MX35_PAD_FEC_RX_DV__ARM11P_TOP_EVNTBUS_2 -854 MX35_PAD_FEC_COL__FEC_COL -855 MX35_PAD_FEC_COL__ESDHC1_DAT7 -856 MX35_PAD_FEC_COL__UART3_CTS -857 MX35_PAD_FEC_COL__USB_TOP_USBH2_DATA_0 -858 MX35_PAD_FEC_COL__CSPI2_RDY -859 MX35_PAD_FEC_COL__GPIO3_9 -860 MX35_PAD_FEC_COL__IPU_DISPB_SER_RS -861 MX35_PAD_FEC_COL__ARM11P_TOP_EVNTBUS_3 -862 MX35_PAD_FEC_RDATA0__FEC_RDATA_0 -863 MX35_PAD_FEC_RDATA0__PWM_PWMO -864 MX35_PAD_FEC_RDATA0__UART3_DTR -865 MX35_PAD_FEC_RDATA0__USB_TOP_USBH2_DATA_1 -866 MX35_PAD_FEC_RDATA0__CSPI2_SS0 -867 MX35_PAD_FEC_RDATA0__GPIO3_10 -868 MX35_PAD_FEC_RDATA0__IPU_DISPB_CS1 -869 MX35_PAD_FEC_RDATA0__ARM11P_TOP_EVNTBUS_4 -870 MX35_PAD_FEC_TDATA0__FEC_TDATA_0 -871 MX35_PAD_FEC_TDATA0__SPDIF_SPDIF_OUT1 -872 MX35_PAD_FEC_TDATA0__UART3_DSR -873 MX35_PAD_FEC_TDATA0__USB_TOP_USBH2_DATA_2 -874 MX35_PAD_FEC_TDATA0__CSPI2_SS1 -875 MX35_PAD_FEC_TDATA0__GPIO3_11 -876 MX35_PAD_FEC_TDATA0__IPU_DISPB_CS0 -877 MX35_PAD_FEC_TDATA0__ARM11P_TOP_EVNTBUS_5 -878 MX35_PAD_FEC_TX_EN__FEC_TX_EN -879 MX35_PAD_FEC_TX_EN__SPDIF_SPDIF_IN1 -880 MX35_PAD_FEC_TX_EN__UART3_RI -881 MX35_PAD_FEC_TX_EN__USB_TOP_USBH2_DATA_3 -882 MX35_PAD_FEC_TX_EN__GPIO3_12 -883 MX35_PAD_FEC_TX_EN__IPU_DISPB_PAR_RS -884 MX35_PAD_FEC_TX_EN__ARM11P_TOP_EVNTBUS_6 -885 MX35_PAD_FEC_MDC__FEC_MDC -886 MX35_PAD_FEC_MDC__CAN2_TXCAN -887 MX35_PAD_FEC_MDC__UART3_DCD -888 MX35_PAD_FEC_MDC__USB_TOP_USBH2_DATA_4 -889 MX35_PAD_FEC_MDC__GPIO3_13 -890 MX35_PAD_FEC_MDC__IPU_DISPB_WR -891 MX35_PAD_FEC_MDC__ARM11P_TOP_EVNTBUS_7 -892 MX35_PAD_FEC_MDIO__FEC_MDIO -893 MX35_PAD_FEC_MDIO__CAN2_RXCAN -894 MX35_PAD_FEC_MDIO__USB_TOP_USBH2_DATA_5 -895 MX35_PAD_FEC_MDIO__GPIO3_14 -896 MX35_PAD_FEC_MDIO__IPU_DISPB_RD -897 MX35_PAD_FEC_MDIO__ARM11P_TOP_EVNTBUS_8 -898 MX35_PAD_FEC_TX_ERR__FEC_TX_ERR -899 MX35_PAD_FEC_TX_ERR__OWIRE_LINE -900 MX35_PAD_FEC_TX_ERR__SPDIF_SPDIF_EXTCLK -901 MX35_PAD_FEC_TX_ERR__USB_TOP_USBH2_DATA_6 -902 MX35_PAD_FEC_TX_ERR__GPIO3_15 -903 MX35_PAD_FEC_TX_ERR__IPU_DISPB_D0_VSYNC -904 MX35_PAD_FEC_TX_ERR__ARM11P_TOP_EVNTBUS_9 -905 MX35_PAD_FEC_RX_ERR__FEC_RX_ERR -906 MX35_PAD_FEC_RX_ERR__IPU_CSI_D_0 -907 MX35_PAD_FEC_RX_ERR__USB_TOP_USBH2_DATA_7 -908 MX35_PAD_FEC_RX_ERR__KPP_COL_4 -909 MX35_PAD_FEC_RX_ERR__GPIO3_16 -910 MX35_PAD_FEC_RX_ERR__IPU_DISPB_SD_D_IO -911 MX35_PAD_FEC_CRS__FEC_CRS -912 MX35_PAD_FEC_CRS__IPU_CSI_D_1 -913 MX35_PAD_FEC_CRS__USB_TOP_USBH2_PWR -914 MX35_PAD_FEC_CRS__KPP_COL_5 -915 MX35_PAD_FEC_CRS__GPIO3_17 -916 MX35_PAD_FEC_CRS__IPU_FLASH_STROBE -917 MX35_PAD_FEC_RDATA1__FEC_RDATA_1 -918 MX35_PAD_FEC_RDATA1__IPU_CSI_D_2 -919 MX35_PAD_FEC_RDATA1__AUDMUX_AUD6_RXC -920 MX35_PAD_FEC_RDATA1__USB_TOP_USBH2_OC -921 MX35_PAD_FEC_RDATA1__KPP_COL_6 -922 MX35_PAD_FEC_RDATA1__GPIO3_18 -923 MX35_PAD_FEC_RDATA1__IPU_DISPB_BE0 -924 MX35_PAD_FEC_TDATA1__FEC_TDATA_1 -925 MX35_PAD_FEC_TDATA1__IPU_CSI_D_3 -926 MX35_PAD_FEC_TDATA1__AUDMUX_AUD6_RXFS -927 MX35_PAD_FEC_TDATA1__KPP_COL_7 -928 MX35_PAD_FEC_TDATA1__GPIO3_19 -929 MX35_PAD_FEC_TDATA1__IPU_DISPB_BE1 -930 MX35_PAD_FEC_RDATA2__FEC_RDATA_2 -931 MX35_PAD_FEC_RDATA2__IPU_CSI_D_4 -932 MX35_PAD_FEC_RDATA2__AUDMUX_AUD6_TXD -933 MX35_PAD_FEC_RDATA2__KPP_ROW_4 -934 MX35_PAD_FEC_RDATA2__GPIO3_20 -935 MX35_PAD_FEC_TDATA2__FEC_TDATA_2 -936 MX35_PAD_FEC_TDATA2__IPU_CSI_D_5 -937 MX35_PAD_FEC_TDATA2__AUDMUX_AUD6_RXD -938 MX35_PAD_FEC_TDATA2__KPP_ROW_5 -939 MX35_PAD_FEC_TDATA2__GPIO3_21 -940 MX35_PAD_FEC_RDATA3__FEC_RDATA_3 -941 MX35_PAD_FEC_RDATA3__IPU_CSI_D_6 -942 MX35_PAD_FEC_RDATA3__AUDMUX_AUD6_TXC -943 MX35_PAD_FEC_RDATA3__KPP_ROW_6 -944 MX35_PAD_FEC_RDATA3__GPIO3_22 -945 MX35_PAD_FEC_TDATA3__FEC_TDATA_3 -946 MX35_PAD_FEC_TDATA3__IPU_CSI_D_7 -947 MX35_PAD_FEC_TDATA3__AUDMUX_AUD6_TXFS -948 MX35_PAD_FEC_TDATA3__KPP_ROW_7 -949 MX35_PAD_FEC_TDATA3__GPIO3_23 -950 MX35_PAD_EXT_ARMCLK__CCM_EXT_ARMCLK -951 MX35_PAD_TEST_MODE__TCU_TEST_MODE +Refer to imx35-pinfunc.h in device tree source folder for all available +imx35 PIN_FUNC_ID. diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx51-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx51-pinctrl.txt index b96fa4c31745..4d1408fcc99c 100644 --- a/Documentation/devicetree/bindings/pinctrl/fsl,imx51-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx51-pinctrl.txt @@ -28,760 +28,5 @@ PAD_CTL_DSE_MAX (3 << 1) PAD_CTL_SRE_FAST (1 << 0) PAD_CTL_SRE_SLOW (0 << 0) -See below for available PIN_FUNC_ID for imx51: -MX51_PAD_EIM_D16__AUD4_RXFS 0 -MX51_PAD_EIM_D16__AUD5_TXD 1 -MX51_PAD_EIM_D16__EIM_D16 2 -MX51_PAD_EIM_D16__GPIO2_0 3 -MX51_PAD_EIM_D16__I2C1_SDA 4 -MX51_PAD_EIM_D16__UART2_CTS 5 -MX51_PAD_EIM_D16__USBH2_DATA0 6 -MX51_PAD_EIM_D17__AUD5_RXD 7 -MX51_PAD_EIM_D17__EIM_D17 8 -MX51_PAD_EIM_D17__GPIO2_1 9 -MX51_PAD_EIM_D17__UART2_RXD 10 -MX51_PAD_EIM_D17__UART3_CTS 11 -MX51_PAD_EIM_D17__USBH2_DATA1 12 -MX51_PAD_EIM_D18__AUD5_TXC 13 -MX51_PAD_EIM_D18__EIM_D18 14 -MX51_PAD_EIM_D18__GPIO2_2 15 -MX51_PAD_EIM_D18__UART2_TXD 16 -MX51_PAD_EIM_D18__UART3_RTS 17 -MX51_PAD_EIM_D18__USBH2_DATA2 18 -MX51_PAD_EIM_D19__AUD4_RXC 19 -MX51_PAD_EIM_D19__AUD5_TXFS 20 -MX51_PAD_EIM_D19__EIM_D19 21 -MX51_PAD_EIM_D19__GPIO2_3 22 -MX51_PAD_EIM_D19__I2C1_SCL 23 -MX51_PAD_EIM_D19__UART2_RTS 24 -MX51_PAD_EIM_D19__USBH2_DATA3 25 -MX51_PAD_EIM_D20__AUD4_TXD 26 -MX51_PAD_EIM_D20__EIM_D20 27 -MX51_PAD_EIM_D20__GPIO2_4 28 -MX51_PAD_EIM_D20__SRTC_ALARM_DEB 29 -MX51_PAD_EIM_D20__USBH2_DATA4 30 -MX51_PAD_EIM_D21__AUD4_RXD 31 -MX51_PAD_EIM_D21__EIM_D21 32 -MX51_PAD_EIM_D21__GPIO2_5 33 -MX51_PAD_EIM_D21__SRTC_ALARM_DEB 34 -MX51_PAD_EIM_D21__USBH2_DATA5 35 -MX51_PAD_EIM_D22__AUD4_TXC 36 -MX51_PAD_EIM_D22__EIM_D22 37 -MX51_PAD_EIM_D22__GPIO2_6 38 -MX51_PAD_EIM_D22__USBH2_DATA6 39 -MX51_PAD_EIM_D23__AUD4_TXFS 40 -MX51_PAD_EIM_D23__EIM_D23 41 -MX51_PAD_EIM_D23__GPIO2_7 42 -MX51_PAD_EIM_D23__SPDIF_OUT1 43 -MX51_PAD_EIM_D23__USBH2_DATA7 44 -MX51_PAD_EIM_D24__AUD6_RXFS 45 -MX51_PAD_EIM_D24__EIM_D24 46 -MX51_PAD_EIM_D24__GPIO2_8 47 -MX51_PAD_EIM_D24__I2C2_SDA 48 -MX51_PAD_EIM_D24__UART3_CTS 49 -MX51_PAD_EIM_D24__USBOTG_DATA0 50 -MX51_PAD_EIM_D25__EIM_D25 51 -MX51_PAD_EIM_D25__KEY_COL6 52 -MX51_PAD_EIM_D25__UART2_CTS 53 -MX51_PAD_EIM_D25__UART3_RXD 54 -MX51_PAD_EIM_D25__USBOTG_DATA1 55 -MX51_PAD_EIM_D26__EIM_D26 56 -MX51_PAD_EIM_D26__KEY_COL7 57 -MX51_PAD_EIM_D26__UART2_RTS 58 -MX51_PAD_EIM_D26__UART3_TXD 59 -MX51_PAD_EIM_D26__USBOTG_DATA2 60 -MX51_PAD_EIM_D27__AUD6_RXC 61 -MX51_PAD_EIM_D27__EIM_D27 62 -MX51_PAD_EIM_D27__GPIO2_9 63 -MX51_PAD_EIM_D27__I2C2_SCL 64 -MX51_PAD_EIM_D27__UART3_RTS 65 -MX51_PAD_EIM_D27__USBOTG_DATA3 66 -MX51_PAD_EIM_D28__AUD6_TXD 67 -MX51_PAD_EIM_D28__EIM_D28 68 -MX51_PAD_EIM_D28__KEY_ROW4 69 -MX51_PAD_EIM_D28__USBOTG_DATA4 70 -MX51_PAD_EIM_D29__AUD6_RXD 71 -MX51_PAD_EIM_D29__EIM_D29 72 -MX51_PAD_EIM_D29__KEY_ROW5 73 -MX51_PAD_EIM_D29__USBOTG_DATA5 74 -MX51_PAD_EIM_D30__AUD6_TXC 75 -MX51_PAD_EIM_D30__EIM_D30 76 -MX51_PAD_EIM_D30__KEY_ROW6 77 -MX51_PAD_EIM_D30__USBOTG_DATA6 78 -MX51_PAD_EIM_D31__AUD6_TXFS 79 -MX51_PAD_EIM_D31__EIM_D31 80 -MX51_PAD_EIM_D31__KEY_ROW7 81 -MX51_PAD_EIM_D31__USBOTG_DATA7 82 -MX51_PAD_EIM_A16__EIM_A16 83 -MX51_PAD_EIM_A16__GPIO2_10 84 -MX51_PAD_EIM_A16__OSC_FREQ_SEL0 85 -MX51_PAD_EIM_A17__EIM_A17 86 -MX51_PAD_EIM_A17__GPIO2_11 87 -MX51_PAD_EIM_A17__OSC_FREQ_SEL1 88 -MX51_PAD_EIM_A18__BOOT_LPB0 89 -MX51_PAD_EIM_A18__EIM_A18 90 -MX51_PAD_EIM_A18__GPIO2_12 91 -MX51_PAD_EIM_A19__BOOT_LPB1 92 -MX51_PAD_EIM_A19__EIM_A19 93 -MX51_PAD_EIM_A19__GPIO2_13 94 -MX51_PAD_EIM_A20__BOOT_UART_SRC0 95 -MX51_PAD_EIM_A20__EIM_A20 96 -MX51_PAD_EIM_A20__GPIO2_14 97 -MX51_PAD_EIM_A21__BOOT_UART_SRC1 98 -MX51_PAD_EIM_A21__EIM_A21 99 -MX51_PAD_EIM_A21__GPIO2_15 100 -MX51_PAD_EIM_A22__EIM_A22 101 -MX51_PAD_EIM_A22__GPIO2_16 102 -MX51_PAD_EIM_A23__BOOT_HPN_EN 103 -MX51_PAD_EIM_A23__EIM_A23 104 -MX51_PAD_EIM_A23__GPIO2_17 105 -MX51_PAD_EIM_A24__EIM_A24 106 -MX51_PAD_EIM_A24__GPIO2_18 107 -MX51_PAD_EIM_A24__USBH2_CLK 108 -MX51_PAD_EIM_A25__DISP1_PIN4 109 -MX51_PAD_EIM_A25__EIM_A25 110 -MX51_PAD_EIM_A25__GPIO2_19 111 -MX51_PAD_EIM_A25__USBH2_DIR 112 -MX51_PAD_EIM_A26__CSI1_DATA_EN 113 -MX51_PAD_EIM_A26__DISP2_EXT_CLK 114 -MX51_PAD_EIM_A26__EIM_A26 115 -MX51_PAD_EIM_A26__GPIO2_20 116 -MX51_PAD_EIM_A26__USBH2_STP 117 -MX51_PAD_EIM_A27__CSI2_DATA_EN 118 -MX51_PAD_EIM_A27__DISP1_PIN1 119 -MX51_PAD_EIM_A27__EIM_A27 120 -MX51_PAD_EIM_A27__GPIO2_21 121 -MX51_PAD_EIM_A27__USBH2_NXT 122 -MX51_PAD_EIM_EB0__EIM_EB0 123 -MX51_PAD_EIM_EB1__EIM_EB1 124 -MX51_PAD_EIM_EB2__AUD5_RXFS 125 -MX51_PAD_EIM_EB2__CSI1_D2 126 -MX51_PAD_EIM_EB2__EIM_EB2 127 -MX51_PAD_EIM_EB2__FEC_MDIO 128 -MX51_PAD_EIM_EB2__GPIO2_22 129 -MX51_PAD_EIM_EB2__GPT_CMPOUT1 130 -MX51_PAD_EIM_EB3__AUD5_RXC 131 -MX51_PAD_EIM_EB3__CSI1_D3 132 -MX51_PAD_EIM_EB3__EIM_EB3 133 -MX51_PAD_EIM_EB3__FEC_RDATA1 134 -MX51_PAD_EIM_EB3__GPIO2_23 135 -MX51_PAD_EIM_EB3__GPT_CMPOUT2 136 -MX51_PAD_EIM_OE__EIM_OE 137 -MX51_PAD_EIM_OE__GPIO2_24 138 -MX51_PAD_EIM_CS0__EIM_CS0 139 -MX51_PAD_EIM_CS0__GPIO2_25 140 -MX51_PAD_EIM_CS1__EIM_CS1 141 -MX51_PAD_EIM_CS1__GPIO2_26 142 -MX51_PAD_EIM_CS2__AUD5_TXD 143 -MX51_PAD_EIM_CS2__CSI1_D4 144 -MX51_PAD_EIM_CS2__EIM_CS2 145 -MX51_PAD_EIM_CS2__FEC_RDATA2 146 -MX51_PAD_EIM_CS2__GPIO2_27 147 -MX51_PAD_EIM_CS2__USBOTG_STP 148 -MX51_PAD_EIM_CS3__AUD5_RXD 149 -MX51_PAD_EIM_CS3__CSI1_D5 150 -MX51_PAD_EIM_CS3__EIM_CS3 151 -MX51_PAD_EIM_CS3__FEC_RDATA3 152 -MX51_PAD_EIM_CS3__GPIO2_28 153 -MX51_PAD_EIM_CS3__USBOTG_NXT 154 -MX51_PAD_EIM_CS4__AUD5_TXC 155 -MX51_PAD_EIM_CS4__CSI1_D6 156 -MX51_PAD_EIM_CS4__EIM_CS4 157 -MX51_PAD_EIM_CS4__FEC_RX_ER 158 -MX51_PAD_EIM_CS4__GPIO2_29 159 -MX51_PAD_EIM_CS4__USBOTG_CLK 160 -MX51_PAD_EIM_CS5__AUD5_TXFS 161 -MX51_PAD_EIM_CS5__CSI1_D7 162 -MX51_PAD_EIM_CS5__DISP1_EXT_CLK 163 -MX51_PAD_EIM_CS5__EIM_CS5 164 -MX51_PAD_EIM_CS5__FEC_CRS 165 -MX51_PAD_EIM_CS5__GPIO2_30 166 -MX51_PAD_EIM_CS5__USBOTG_DIR 167 -MX51_PAD_EIM_DTACK__EIM_DTACK 168 -MX51_PAD_EIM_DTACK__GPIO2_31 169 -MX51_PAD_EIM_LBA__EIM_LBA 170 -MX51_PAD_EIM_LBA__GPIO3_1 171 -MX51_PAD_EIM_CRE__EIM_CRE 172 -MX51_PAD_EIM_CRE__GPIO3_2 173 -MX51_PAD_DRAM_CS1__DRAM_CS1 174 -MX51_PAD_NANDF_WE_B__GPIO3_3 175 -MX51_PAD_NANDF_WE_B__NANDF_WE_B 176 -MX51_PAD_NANDF_WE_B__PATA_DIOW 177 -MX51_PAD_NANDF_WE_B__SD3_DATA0 178 -MX51_PAD_NANDF_RE_B__GPIO3_4 179 -MX51_PAD_NANDF_RE_B__NANDF_RE_B 180 -MX51_PAD_NANDF_RE_B__PATA_DIOR 181 -MX51_PAD_NANDF_RE_B__SD3_DATA1 182 -MX51_PAD_NANDF_ALE__GPIO3_5 183 -MX51_PAD_NANDF_ALE__NANDF_ALE 184 -MX51_PAD_NANDF_ALE__PATA_BUFFER_EN 185 -MX51_PAD_NANDF_CLE__GPIO3_6 186 -MX51_PAD_NANDF_CLE__NANDF_CLE 187 -MX51_PAD_NANDF_CLE__PATA_RESET_B 188 -MX51_PAD_NANDF_WP_B__GPIO3_7 189 -MX51_PAD_NANDF_WP_B__NANDF_WP_B 190 -MX51_PAD_NANDF_WP_B__PATA_DMACK 191 -MX51_PAD_NANDF_WP_B__SD3_DATA2 192 -MX51_PAD_NANDF_RB0__ECSPI2_SS1 193 -MX51_PAD_NANDF_RB0__GPIO3_8 194 -MX51_PAD_NANDF_RB0__NANDF_RB0 195 -MX51_PAD_NANDF_RB0__PATA_DMARQ 196 -MX51_PAD_NANDF_RB0__SD3_DATA3 197 -MX51_PAD_NANDF_RB1__CSPI_MOSI 198 -MX51_PAD_NANDF_RB1__ECSPI2_RDY 199 -MX51_PAD_NANDF_RB1__GPIO3_9 200 -MX51_PAD_NANDF_RB1__NANDF_RB1 201 -MX51_PAD_NANDF_RB1__PATA_IORDY 202 -MX51_PAD_NANDF_RB1__SD4_CMD 203 -MX51_PAD_NANDF_RB2__DISP2_WAIT 204 -MX51_PAD_NANDF_RB2__ECSPI2_SCLK 205 -MX51_PAD_NANDF_RB2__FEC_COL 206 -MX51_PAD_NANDF_RB2__GPIO3_10 207 -MX51_PAD_NANDF_RB2__NANDF_RB2 208 -MX51_PAD_NANDF_RB2__USBH3_H3_DP 209 -MX51_PAD_NANDF_RB2__USBH3_NXT 210 -MX51_PAD_NANDF_RB3__DISP1_WAIT 211 -MX51_PAD_NANDF_RB3__ECSPI2_MISO 212 -MX51_PAD_NANDF_RB3__FEC_RX_CLK 213 -MX51_PAD_NANDF_RB3__GPIO3_11 214 -MX51_PAD_NANDF_RB3__NANDF_RB3 215 -MX51_PAD_NANDF_RB3__USBH3_CLK 216 -MX51_PAD_NANDF_RB3__USBH3_H3_DM 217 -MX51_PAD_GPIO_NAND__GPIO_NAND 218 -MX51_PAD_GPIO_NAND__PATA_INTRQ 219 -MX51_PAD_NANDF_CS0__GPIO3_16 220 -MX51_PAD_NANDF_CS0__NANDF_CS0 221 -MX51_PAD_NANDF_CS1__GPIO3_17 222 -MX51_PAD_NANDF_CS1__NANDF_CS1 223 -MX51_PAD_NANDF_CS2__CSPI_SCLK 224 -MX51_PAD_NANDF_CS2__FEC_TX_ER 225 -MX51_PAD_NANDF_CS2__GPIO3_18 226 -MX51_PAD_NANDF_CS2__NANDF_CS2 227 -MX51_PAD_NANDF_CS2__PATA_CS_0 228 -MX51_PAD_NANDF_CS2__SD4_CLK 229 -MX51_PAD_NANDF_CS2__USBH3_H1_DP 230 -MX51_PAD_NANDF_CS3__FEC_MDC 231 -MX51_PAD_NANDF_CS3__GPIO3_19 232 -MX51_PAD_NANDF_CS3__NANDF_CS3 233 -MX51_PAD_NANDF_CS3__PATA_CS_1 234 -MX51_PAD_NANDF_CS3__SD4_DAT0 235 -MX51_PAD_NANDF_CS3__USBH3_H1_DM 236 -MX51_PAD_NANDF_CS4__FEC_TDATA1 237 -MX51_PAD_NANDF_CS4__GPIO3_20 238 -MX51_PAD_NANDF_CS4__NANDF_CS4 239 -MX51_PAD_NANDF_CS4__PATA_DA_0 240 -MX51_PAD_NANDF_CS4__SD4_DAT1 241 -MX51_PAD_NANDF_CS4__USBH3_STP 242 -MX51_PAD_NANDF_CS5__FEC_TDATA2 243 -MX51_PAD_NANDF_CS5__GPIO3_21 244 -MX51_PAD_NANDF_CS5__NANDF_CS5 245 -MX51_PAD_NANDF_CS5__PATA_DA_1 246 -MX51_PAD_NANDF_CS5__SD4_DAT2 247 -MX51_PAD_NANDF_CS5__USBH3_DIR 248 -MX51_PAD_NANDF_CS6__CSPI_SS3 249 -MX51_PAD_NANDF_CS6__FEC_TDATA3 250 -MX51_PAD_NANDF_CS6__GPIO3_22 251 -MX51_PAD_NANDF_CS6__NANDF_CS6 252 -MX51_PAD_NANDF_CS6__PATA_DA_2 253 -MX51_PAD_NANDF_CS6__SD4_DAT3 254 -MX51_PAD_NANDF_CS7__FEC_TX_EN 255 -MX51_PAD_NANDF_CS7__GPIO3_23 256 -MX51_PAD_NANDF_CS7__NANDF_CS7 257 -MX51_PAD_NANDF_CS7__SD3_CLK 258 -MX51_PAD_NANDF_RDY_INT__ECSPI2_SS0 259 -MX51_PAD_NANDF_RDY_INT__FEC_TX_CLK 260 -MX51_PAD_NANDF_RDY_INT__GPIO3_24 261 -MX51_PAD_NANDF_RDY_INT__NANDF_RDY_INT 262 -MX51_PAD_NANDF_RDY_INT__SD3_CMD 263 -MX51_PAD_NANDF_D15__ECSPI2_MOSI 264 -MX51_PAD_NANDF_D15__GPIO3_25 265 -MX51_PAD_NANDF_D15__NANDF_D15 266 -MX51_PAD_NANDF_D15__PATA_DATA15 267 -MX51_PAD_NANDF_D15__SD3_DAT7 268 -MX51_PAD_NANDF_D14__ECSPI2_SS3 269 -MX51_PAD_NANDF_D14__GPIO3_26 270 -MX51_PAD_NANDF_D14__NANDF_D14 271 -MX51_PAD_NANDF_D14__PATA_DATA14 272 -MX51_PAD_NANDF_D14__SD3_DAT6 273 -MX51_PAD_NANDF_D13__ECSPI2_SS2 274 -MX51_PAD_NANDF_D13__GPIO3_27 275 -MX51_PAD_NANDF_D13__NANDF_D13 276 -MX51_PAD_NANDF_D13__PATA_DATA13 277 -MX51_PAD_NANDF_D13__SD3_DAT5 278 -MX51_PAD_NANDF_D12__ECSPI2_SS1 279 -MX51_PAD_NANDF_D12__GPIO3_28 280 -MX51_PAD_NANDF_D12__NANDF_D12 281 -MX51_PAD_NANDF_D12__PATA_DATA12 282 -MX51_PAD_NANDF_D12__SD3_DAT4 283 -MX51_PAD_NANDF_D11__FEC_RX_DV 284 -MX51_PAD_NANDF_D11__GPIO3_29 285 -MX51_PAD_NANDF_D11__NANDF_D11 286 -MX51_PAD_NANDF_D11__PATA_DATA11 287 -MX51_PAD_NANDF_D11__SD3_DATA3 288 -MX51_PAD_NANDF_D10__GPIO3_30 289 -MX51_PAD_NANDF_D10__NANDF_D10 290 -MX51_PAD_NANDF_D10__PATA_DATA10 291 -MX51_PAD_NANDF_D10__SD3_DATA2 292 -MX51_PAD_NANDF_D9__FEC_RDATA0 293 -MX51_PAD_NANDF_D9__GPIO3_31 294 -MX51_PAD_NANDF_D9__NANDF_D9 295 -MX51_PAD_NANDF_D9__PATA_DATA9 296 -MX51_PAD_NANDF_D9__SD3_DATA1 297 -MX51_PAD_NANDF_D8__FEC_TDATA0 298 -MX51_PAD_NANDF_D8__GPIO4_0 299 -MX51_PAD_NANDF_D8__NANDF_D8 300 -MX51_PAD_NANDF_D8__PATA_DATA8 301 -MX51_PAD_NANDF_D8__SD3_DATA0 302 -MX51_PAD_NANDF_D7__GPIO4_1 303 -MX51_PAD_NANDF_D7__NANDF_D7 304 -MX51_PAD_NANDF_D7__PATA_DATA7 305 -MX51_PAD_NANDF_D7__USBH3_DATA0 306 -MX51_PAD_NANDF_D6__GPIO4_2 307 -MX51_PAD_NANDF_D6__NANDF_D6 308 -MX51_PAD_NANDF_D6__PATA_DATA6 309 -MX51_PAD_NANDF_D6__SD4_LCTL 310 -MX51_PAD_NANDF_D6__USBH3_DATA1 311 -MX51_PAD_NANDF_D5__GPIO4_3 312 -MX51_PAD_NANDF_D5__NANDF_D5 313 -MX51_PAD_NANDF_D5__PATA_DATA5 314 -MX51_PAD_NANDF_D5__SD4_WP 315 -MX51_PAD_NANDF_D5__USBH3_DATA2 316 -MX51_PAD_NANDF_D4__GPIO4_4 317 -MX51_PAD_NANDF_D4__NANDF_D4 318 -MX51_PAD_NANDF_D4__PATA_DATA4 319 -MX51_PAD_NANDF_D4__SD4_CD 320 -MX51_PAD_NANDF_D4__USBH3_DATA3 321 -MX51_PAD_NANDF_D3__GPIO4_5 322 -MX51_PAD_NANDF_D3__NANDF_D3 323 -MX51_PAD_NANDF_D3__PATA_DATA3 324 -MX51_PAD_NANDF_D3__SD4_DAT4 325 -MX51_PAD_NANDF_D3__USBH3_DATA4 326 -MX51_PAD_NANDF_D2__GPIO4_6 327 -MX51_PAD_NANDF_D2__NANDF_D2 328 -MX51_PAD_NANDF_D2__PATA_DATA2 329 -MX51_PAD_NANDF_D2__SD4_DAT5 330 -MX51_PAD_NANDF_D2__USBH3_DATA5 331 -MX51_PAD_NANDF_D1__GPIO4_7 332 -MX51_PAD_NANDF_D1__NANDF_D1 333 -MX51_PAD_NANDF_D1__PATA_DATA1 334 -MX51_PAD_NANDF_D1__SD4_DAT6 335 -MX51_PAD_NANDF_D1__USBH3_DATA6 336 -MX51_PAD_NANDF_D0__GPIO4_8 337 -MX51_PAD_NANDF_D0__NANDF_D0 338 -MX51_PAD_NANDF_D0__PATA_DATA0 339 -MX51_PAD_NANDF_D0__SD4_DAT7 340 -MX51_PAD_NANDF_D0__USBH3_DATA7 341 -MX51_PAD_CSI1_D8__CSI1_D8 342 -MX51_PAD_CSI1_D8__GPIO3_12 343 -MX51_PAD_CSI1_D9__CSI1_D9 344 -MX51_PAD_CSI1_D9__GPIO3_13 345 -MX51_PAD_CSI1_D10__CSI1_D10 346 -MX51_PAD_CSI1_D11__CSI1_D11 347 -MX51_PAD_CSI1_D12__CSI1_D12 348 -MX51_PAD_CSI1_D13__CSI1_D13 349 -MX51_PAD_CSI1_D14__CSI1_D14 350 -MX51_PAD_CSI1_D15__CSI1_D15 351 -MX51_PAD_CSI1_D16__CSI1_D16 352 -MX51_PAD_CSI1_D17__CSI1_D17 353 -MX51_PAD_CSI1_D18__CSI1_D18 354 -MX51_PAD_CSI1_D19__CSI1_D19 355 -MX51_PAD_CSI1_VSYNC__CSI1_VSYNC 356 -MX51_PAD_CSI1_VSYNC__GPIO3_14 357 -MX51_PAD_CSI1_HSYNC__CSI1_HSYNC 358 -MX51_PAD_CSI1_HSYNC__GPIO3_15 359 -MX51_PAD_CSI1_PIXCLK__CSI1_PIXCLK 360 -MX51_PAD_CSI1_MCLK__CSI1_MCLK 361 -MX51_PAD_CSI2_D12__CSI2_D12 362 -MX51_PAD_CSI2_D12__GPIO4_9 363 -MX51_PAD_CSI2_D13__CSI2_D13 364 -MX51_PAD_CSI2_D13__GPIO4_10 365 -MX51_PAD_CSI2_D14__CSI2_D14 366 -MX51_PAD_CSI2_D15__CSI2_D15 367 -MX51_PAD_CSI2_D16__CSI2_D16 368 -MX51_PAD_CSI2_D17__CSI2_D17 369 -MX51_PAD_CSI2_D18__CSI2_D18 370 -MX51_PAD_CSI2_D18__GPIO4_11 371 -MX51_PAD_CSI2_D19__CSI2_D19 372 -MX51_PAD_CSI2_D19__GPIO4_12 373 -MX51_PAD_CSI2_VSYNC__CSI2_VSYNC 374 -MX51_PAD_CSI2_VSYNC__GPIO4_13 375 -MX51_PAD_CSI2_HSYNC__CSI2_HSYNC 376 -MX51_PAD_CSI2_HSYNC__GPIO4_14 377 -MX51_PAD_CSI2_PIXCLK__CSI2_PIXCLK 378 -MX51_PAD_CSI2_PIXCLK__GPIO4_15 379 -MX51_PAD_I2C1_CLK__GPIO4_16 380 -MX51_PAD_I2C1_CLK__I2C1_CLK 381 -MX51_PAD_I2C1_DAT__GPIO4_17 382 -MX51_PAD_I2C1_DAT__I2C1_DAT 383 -MX51_PAD_AUD3_BB_TXD__AUD3_TXD 384 -MX51_PAD_AUD3_BB_TXD__GPIO4_18 385 -MX51_PAD_AUD3_BB_RXD__AUD3_RXD 386 -MX51_PAD_AUD3_BB_RXD__GPIO4_19 387 -MX51_PAD_AUD3_BB_RXD__UART3_RXD 388 -MX51_PAD_AUD3_BB_CK__AUD3_TXC 389 -MX51_PAD_AUD3_BB_CK__GPIO4_20 390 -MX51_PAD_AUD3_BB_FS__AUD3_TXFS 391 -MX51_PAD_AUD3_BB_FS__GPIO4_21 392 -MX51_PAD_AUD3_BB_FS__UART3_TXD 393 -MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI 394 -MX51_PAD_CSPI1_MOSI__GPIO4_22 395 -MX51_PAD_CSPI1_MOSI__I2C1_SDA 396 -MX51_PAD_CSPI1_MISO__AUD4_RXD 397 -MX51_PAD_CSPI1_MISO__ECSPI1_MISO 398 -MX51_PAD_CSPI1_MISO__GPIO4_23 399 -MX51_PAD_CSPI1_SS0__AUD4_TXC 400 -MX51_PAD_CSPI1_SS0__ECSPI1_SS0 401 -MX51_PAD_CSPI1_SS0__GPIO4_24 402 -MX51_PAD_CSPI1_SS1__AUD4_TXD 403 -MX51_PAD_CSPI1_SS1__ECSPI1_SS1 404 -MX51_PAD_CSPI1_SS1__GPIO4_25 405 -MX51_PAD_CSPI1_RDY__AUD4_TXFS 406 -MX51_PAD_CSPI1_RDY__ECSPI1_RDY 407 -MX51_PAD_CSPI1_RDY__GPIO4_26 408 -MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK 409 -MX51_PAD_CSPI1_SCLK__GPIO4_27 410 -MX51_PAD_CSPI1_SCLK__I2C1_SCL 411 -MX51_PAD_UART1_RXD__GPIO4_28 412 -MX51_PAD_UART1_RXD__UART1_RXD 413 -MX51_PAD_UART1_TXD__GPIO4_29 414 -MX51_PAD_UART1_TXD__PWM2_PWMO 415 -MX51_PAD_UART1_TXD__UART1_TXD 416 -MX51_PAD_UART1_RTS__GPIO4_30 417 -MX51_PAD_UART1_RTS__UART1_RTS 418 -MX51_PAD_UART1_CTS__GPIO4_31 419 -MX51_PAD_UART1_CTS__UART1_CTS 420 -MX51_PAD_UART2_RXD__FIRI_TXD 421 -MX51_PAD_UART2_RXD__GPIO1_20 422 -MX51_PAD_UART2_RXD__UART2_RXD 423 -MX51_PAD_UART2_TXD__FIRI_RXD 424 -MX51_PAD_UART2_TXD__GPIO1_21 425 -MX51_PAD_UART2_TXD__UART2_TXD 426 -MX51_PAD_UART3_RXD__CSI1_D0 427 -MX51_PAD_UART3_RXD__GPIO1_22 428 -MX51_PAD_UART3_RXD__UART1_DTR 429 -MX51_PAD_UART3_RXD__UART3_RXD 430 -MX51_PAD_UART3_TXD__CSI1_D1 431 -MX51_PAD_UART3_TXD__GPIO1_23 432 -MX51_PAD_UART3_TXD__UART1_DSR 433 -MX51_PAD_UART3_TXD__UART3_TXD 434 -MX51_PAD_OWIRE_LINE__GPIO1_24 435 -MX51_PAD_OWIRE_LINE__OWIRE_LINE 436 -MX51_PAD_OWIRE_LINE__SPDIF_OUT 437 -MX51_PAD_KEY_ROW0__KEY_ROW0 438 -MX51_PAD_KEY_ROW1__KEY_ROW1 439 -MX51_PAD_KEY_ROW2__KEY_ROW2 440 -MX51_PAD_KEY_ROW3__KEY_ROW3 441 -MX51_PAD_KEY_COL0__KEY_COL0 442 -MX51_PAD_KEY_COL0__PLL1_BYP 443 -MX51_PAD_KEY_COL1__KEY_COL1 444 -MX51_PAD_KEY_COL1__PLL2_BYP 445 -MX51_PAD_KEY_COL2__KEY_COL2 446 -MX51_PAD_KEY_COL2__PLL3_BYP 447 -MX51_PAD_KEY_COL3__KEY_COL3 448 -MX51_PAD_KEY_COL4__I2C2_SCL 449 -MX51_PAD_KEY_COL4__KEY_COL4 450 -MX51_PAD_KEY_COL4__SPDIF_OUT1 451 -MX51_PAD_KEY_COL4__UART1_RI 452 -MX51_PAD_KEY_COL4__UART3_RTS 453 -MX51_PAD_KEY_COL5__I2C2_SDA 454 -MX51_PAD_KEY_COL5__KEY_COL5 455 -MX51_PAD_KEY_COL5__UART1_DCD 456 -MX51_PAD_KEY_COL5__UART3_CTS 457 -MX51_PAD_USBH1_CLK__CSPI_SCLK 458 -MX51_PAD_USBH1_CLK__GPIO1_25 459 -MX51_PAD_USBH1_CLK__I2C2_SCL 460 -MX51_PAD_USBH1_CLK__USBH1_CLK 461 -MX51_PAD_USBH1_DIR__CSPI_MOSI 462 -MX51_PAD_USBH1_DIR__GPIO1_26 463 -MX51_PAD_USBH1_DIR__I2C2_SDA 464 -MX51_PAD_USBH1_DIR__USBH1_DIR 465 -MX51_PAD_USBH1_STP__CSPI_RDY 466 -MX51_PAD_USBH1_STP__GPIO1_27 467 -MX51_PAD_USBH1_STP__UART3_RXD 468 -MX51_PAD_USBH1_STP__USBH1_STP 469 -MX51_PAD_USBH1_NXT__CSPI_MISO 470 -MX51_PAD_USBH1_NXT__GPIO1_28 471 -MX51_PAD_USBH1_NXT__UART3_TXD 472 -MX51_PAD_USBH1_NXT__USBH1_NXT 473 -MX51_PAD_USBH1_DATA0__GPIO1_11 474 -MX51_PAD_USBH1_DATA0__UART2_CTS 475 -MX51_PAD_USBH1_DATA0__USBH1_DATA0 476 -MX51_PAD_USBH1_DATA1__GPIO1_12 477 -MX51_PAD_USBH1_DATA1__UART2_RXD 478 -MX51_PAD_USBH1_DATA1__USBH1_DATA1 479 -MX51_PAD_USBH1_DATA2__GPIO1_13 480 -MX51_PAD_USBH1_DATA2__UART2_TXD 481 -MX51_PAD_USBH1_DATA2__USBH1_DATA2 482 -MX51_PAD_USBH1_DATA3__GPIO1_14 483 -MX51_PAD_USBH1_DATA3__UART2_RTS 484 -MX51_PAD_USBH1_DATA3__USBH1_DATA3 485 -MX51_PAD_USBH1_DATA4__CSPI_SS0 486 -MX51_PAD_USBH1_DATA4__GPIO1_15 487 -MX51_PAD_USBH1_DATA4__USBH1_DATA4 488 -MX51_PAD_USBH1_DATA5__CSPI_SS1 489 -MX51_PAD_USBH1_DATA5__GPIO1_16 490 -MX51_PAD_USBH1_DATA5__USBH1_DATA5 491 -MX51_PAD_USBH1_DATA6__CSPI_SS3 492 -MX51_PAD_USBH1_DATA6__GPIO1_17 493 -MX51_PAD_USBH1_DATA6__USBH1_DATA6 494 -MX51_PAD_USBH1_DATA7__ECSPI1_SS3 495 -MX51_PAD_USBH1_DATA7__ECSPI2_SS3 496 -MX51_PAD_USBH1_DATA7__GPIO1_18 497 -MX51_PAD_USBH1_DATA7__USBH1_DATA7 498 -MX51_PAD_DI1_PIN11__DI1_PIN11 499 -MX51_PAD_DI1_PIN11__ECSPI1_SS2 500 -MX51_PAD_DI1_PIN11__GPIO3_0 501 -MX51_PAD_DI1_PIN12__DI1_PIN12 502 -MX51_PAD_DI1_PIN12__GPIO3_1 503 -MX51_PAD_DI1_PIN13__DI1_PIN13 504 -MX51_PAD_DI1_PIN13__GPIO3_2 505 -MX51_PAD_DI1_D0_CS__DI1_D0_CS 506 -MX51_PAD_DI1_D0_CS__GPIO3_3 507 -MX51_PAD_DI1_D1_CS__DI1_D1_CS 508 -MX51_PAD_DI1_D1_CS__DISP1_PIN14 509 -MX51_PAD_DI1_D1_CS__DISP1_PIN5 510 -MX51_PAD_DI1_D1_CS__GPIO3_4 511 -MX51_PAD_DISPB2_SER_DIN__DISP1_PIN1 512 -MX51_PAD_DISPB2_SER_DIN__DISPB2_SER_DIN 513 -MX51_PAD_DISPB2_SER_DIN__GPIO3_5 514 -MX51_PAD_DISPB2_SER_DIO__DISP1_PIN6 515 -MX51_PAD_DISPB2_SER_DIO__DISPB2_SER_DIO 516 -MX51_PAD_DISPB2_SER_DIO__GPIO3_6 517 -MX51_PAD_DISPB2_SER_CLK__DISP1_PIN17 518 -MX51_PAD_DISPB2_SER_CLK__DISP1_PIN7 519 -MX51_PAD_DISPB2_SER_CLK__DISPB2_SER_CLK 520 -MX51_PAD_DISPB2_SER_CLK__GPIO3_7 521 -MX51_PAD_DISPB2_SER_RS__DISP1_EXT_CLK 522 -MX51_PAD_DISPB2_SER_RS__DISP1_PIN16 523 -MX51_PAD_DISPB2_SER_RS__DISP1_PIN8 524 -MX51_PAD_DISPB2_SER_RS__DISPB2_SER_RS 525 -MX51_PAD_DISPB2_SER_RS__DISPB2_SER_RS 526 -MX51_PAD_DISPB2_SER_RS__GPIO3_8 527 -MX51_PAD_DISP1_DAT0__DISP1_DAT0 528 -MX51_PAD_DISP1_DAT1__DISP1_DAT1 529 -MX51_PAD_DISP1_DAT2__DISP1_DAT2 530 -MX51_PAD_DISP1_DAT3__DISP1_DAT3 531 -MX51_PAD_DISP1_DAT4__DISP1_DAT4 532 -MX51_PAD_DISP1_DAT5__DISP1_DAT5 533 -MX51_PAD_DISP1_DAT6__BOOT_USB_SRC 534 -MX51_PAD_DISP1_DAT6__DISP1_DAT6 535 -MX51_PAD_DISP1_DAT7__BOOT_EEPROM_CFG 536 -MX51_PAD_DISP1_DAT7__DISP1_DAT7 537 -MX51_PAD_DISP1_DAT8__BOOT_SRC0 538 -MX51_PAD_DISP1_DAT8__DISP1_DAT8 539 -MX51_PAD_DISP1_DAT9__BOOT_SRC1 540 -MX51_PAD_DISP1_DAT9__DISP1_DAT9 541 -MX51_PAD_DISP1_DAT10__BOOT_SPARE_SIZE 542 -MX51_PAD_DISP1_DAT10__DISP1_DAT10 543 -MX51_PAD_DISP1_DAT11__BOOT_LPB_FREQ2 544 -MX51_PAD_DISP1_DAT11__DISP1_DAT11 545 -MX51_PAD_DISP1_DAT12__BOOT_MLC_SEL 546 -MX51_PAD_DISP1_DAT12__DISP1_DAT12 547 -MX51_PAD_DISP1_DAT13__BOOT_MEM_CTL0 548 -MX51_PAD_DISP1_DAT13__DISP1_DAT13 549 -MX51_PAD_DISP1_DAT14__BOOT_MEM_CTL1 550 -MX51_PAD_DISP1_DAT14__DISP1_DAT14 551 -MX51_PAD_DISP1_DAT15__BOOT_BUS_WIDTH 552 -MX51_PAD_DISP1_DAT15__DISP1_DAT15 553 -MX51_PAD_DISP1_DAT16__BOOT_PAGE_SIZE0 554 -MX51_PAD_DISP1_DAT16__DISP1_DAT16 555 -MX51_PAD_DISP1_DAT17__BOOT_PAGE_SIZE1 556 -MX51_PAD_DISP1_DAT17__DISP1_DAT17 557 -MX51_PAD_DISP1_DAT18__BOOT_WEIM_MUXED0 558 -MX51_PAD_DISP1_DAT18__DISP1_DAT18 559 -MX51_PAD_DISP1_DAT18__DISP2_PIN11 560 -MX51_PAD_DISP1_DAT18__DISP2_PIN5 561 -MX51_PAD_DISP1_DAT19__BOOT_WEIM_MUXED1 562 -MX51_PAD_DISP1_DAT19__DISP1_DAT19 563 -MX51_PAD_DISP1_DAT19__DISP2_PIN12 564 -MX51_PAD_DISP1_DAT19__DISP2_PIN6 565 -MX51_PAD_DISP1_DAT20__BOOT_MEM_TYPE0 566 -MX51_PAD_DISP1_DAT20__DISP1_DAT20 567 -MX51_PAD_DISP1_DAT20__DISP2_PIN13 568 -MX51_PAD_DISP1_DAT20__DISP2_PIN7 569 -MX51_PAD_DISP1_DAT21__BOOT_MEM_TYPE1 570 -MX51_PAD_DISP1_DAT21__DISP1_DAT21 571 -MX51_PAD_DISP1_DAT21__DISP2_PIN14 572 -MX51_PAD_DISP1_DAT21__DISP2_PIN8 573 -MX51_PAD_DISP1_DAT22__BOOT_LPB_FREQ0 574 -MX51_PAD_DISP1_DAT22__DISP1_DAT22 575 -MX51_PAD_DISP1_DAT22__DISP2_D0_CS 576 -MX51_PAD_DISP1_DAT22__DISP2_DAT16 577 -MX51_PAD_DISP1_DAT23__BOOT_LPB_FREQ1 578 -MX51_PAD_DISP1_DAT23__DISP1_DAT23 579 -MX51_PAD_DISP1_DAT23__DISP2_D1_CS 580 -MX51_PAD_DISP1_DAT23__DISP2_DAT17 581 -MX51_PAD_DISP1_DAT23__DISP2_SER_CS 582 -MX51_PAD_DI1_PIN3__DI1_PIN3 583 -MX51_PAD_DI1_PIN2__DI1_PIN2 584 -MX51_PAD_DI_GP2__DISP1_SER_CLK 585 -MX51_PAD_DI_GP2__DISP2_WAIT 586 -MX51_PAD_DI_GP3__CSI1_DATA_EN 587 -MX51_PAD_DI_GP3__DISP1_SER_DIO 588 -MX51_PAD_DI_GP3__FEC_TX_ER 589 -MX51_PAD_DI2_PIN4__CSI2_DATA_EN 590 -MX51_PAD_DI2_PIN4__DI2_PIN4 591 -MX51_PAD_DI2_PIN4__FEC_CRS 592 -MX51_PAD_DI2_PIN2__DI2_PIN2 593 -MX51_PAD_DI2_PIN2__FEC_MDC 594 -MX51_PAD_DI2_PIN3__DI2_PIN3 595 -MX51_PAD_DI2_PIN3__FEC_MDIO 596 -MX51_PAD_DI2_DISP_CLK__DI2_DISP_CLK 597 -MX51_PAD_DI2_DISP_CLK__FEC_RDATA1 598 -MX51_PAD_DI_GP4__DI2_PIN15 599 -MX51_PAD_DI_GP4__DISP1_SER_DIN 600 -MX51_PAD_DI_GP4__DISP2_PIN1 601 -MX51_PAD_DI_GP4__FEC_RDATA2 602 -MX51_PAD_DISP2_DAT0__DISP2_DAT0 603 -MX51_PAD_DISP2_DAT0__FEC_RDATA3 604 -MX51_PAD_DISP2_DAT0__KEY_COL6 605 -MX51_PAD_DISP2_DAT0__UART3_RXD 606 -MX51_PAD_DISP2_DAT0__USBH3_CLK 607 -MX51_PAD_DISP2_DAT1__DISP2_DAT1 608 -MX51_PAD_DISP2_DAT1__FEC_RX_ER 609 -MX51_PAD_DISP2_DAT1__KEY_COL7 610 -MX51_PAD_DISP2_DAT1__UART3_TXD 611 -MX51_PAD_DISP2_DAT1__USBH3_DIR 612 -MX51_PAD_DISP2_DAT2__DISP2_DAT2 613 -MX51_PAD_DISP2_DAT3__DISP2_DAT3 614 -MX51_PAD_DISP2_DAT4__DISP2_DAT4 615 -MX51_PAD_DISP2_DAT5__DISP2_DAT5 616 -MX51_PAD_DISP2_DAT6__DISP2_DAT6 617 -MX51_PAD_DISP2_DAT6__FEC_TDATA1 618 -MX51_PAD_DISP2_DAT6__GPIO1_19 619 -MX51_PAD_DISP2_DAT6__KEY_ROW4 620 -MX51_PAD_DISP2_DAT6__USBH3_STP 621 -MX51_PAD_DISP2_DAT7__DISP2_DAT7 622 -MX51_PAD_DISP2_DAT7__FEC_TDATA2 623 -MX51_PAD_DISP2_DAT7__GPIO1_29 624 -MX51_PAD_DISP2_DAT7__KEY_ROW5 625 -MX51_PAD_DISP2_DAT7__USBH3_NXT 626 -MX51_PAD_DISP2_DAT8__DISP2_DAT8 627 -MX51_PAD_DISP2_DAT8__FEC_TDATA3 628 -MX51_PAD_DISP2_DAT8__GPIO1_30 629 -MX51_PAD_DISP2_DAT8__KEY_ROW6 630 -MX51_PAD_DISP2_DAT8__USBH3_DATA0 631 -MX51_PAD_DISP2_DAT9__AUD6_RXC 632 -MX51_PAD_DISP2_DAT9__DISP2_DAT9 633 -MX51_PAD_DISP2_DAT9__FEC_TX_EN 634 -MX51_PAD_DISP2_DAT9__GPIO1_31 635 -MX51_PAD_DISP2_DAT9__USBH3_DATA1 636 -MX51_PAD_DISP2_DAT10__DISP2_DAT10 637 -MX51_PAD_DISP2_DAT10__DISP2_SER_CS 638 -MX51_PAD_DISP2_DAT10__FEC_COL 639 -MX51_PAD_DISP2_DAT10__KEY_ROW7 640 -MX51_PAD_DISP2_DAT10__USBH3_DATA2 641 -MX51_PAD_DISP2_DAT11__AUD6_TXD 642 -MX51_PAD_DISP2_DAT11__DISP2_DAT11 643 -MX51_PAD_DISP2_DAT11__FEC_RX_CLK 644 -MX51_PAD_DISP2_DAT11__GPIO1_10 645 -MX51_PAD_DISP2_DAT11__USBH3_DATA3 646 -MX51_PAD_DISP2_DAT12__AUD6_RXD 647 -MX51_PAD_DISP2_DAT12__DISP2_DAT12 648 -MX51_PAD_DISP2_DAT12__FEC_RX_DV 649 -MX51_PAD_DISP2_DAT12__USBH3_DATA4 650 -MX51_PAD_DISP2_DAT13__AUD6_TXC 651 -MX51_PAD_DISP2_DAT13__DISP2_DAT13 652 -MX51_PAD_DISP2_DAT13__FEC_TX_CLK 653 -MX51_PAD_DISP2_DAT13__USBH3_DATA5 654 -MX51_PAD_DISP2_DAT14__AUD6_TXFS 655 -MX51_PAD_DISP2_DAT14__DISP2_DAT14 656 -MX51_PAD_DISP2_DAT14__FEC_RDATA0 657 -MX51_PAD_DISP2_DAT14__USBH3_DATA6 658 -MX51_PAD_DISP2_DAT15__AUD6_RXFS 659 -MX51_PAD_DISP2_DAT15__DISP1_SER_CS 660 -MX51_PAD_DISP2_DAT15__DISP2_DAT15 661 -MX51_PAD_DISP2_DAT15__FEC_TDATA0 662 -MX51_PAD_DISP2_DAT15__USBH3_DATA7 663 -MX51_PAD_SD1_CMD__AUD5_RXFS 664 -MX51_PAD_SD1_CMD__CSPI_MOSI 665 -MX51_PAD_SD1_CMD__SD1_CMD 666 -MX51_PAD_SD1_CLK__AUD5_RXC 667 -MX51_PAD_SD1_CLK__CSPI_SCLK 668 -MX51_PAD_SD1_CLK__SD1_CLK 669 -MX51_PAD_SD1_DATA0__AUD5_TXD 670 -MX51_PAD_SD1_DATA0__CSPI_MISO 671 -MX51_PAD_SD1_DATA0__SD1_DATA0 672 -MX51_PAD_EIM_DA0__EIM_DA0 673 -MX51_PAD_EIM_DA1__EIM_DA1 674 -MX51_PAD_EIM_DA2__EIM_DA2 675 -MX51_PAD_EIM_DA3__EIM_DA3 676 -MX51_PAD_SD1_DATA1__AUD5_RXD 677 -MX51_PAD_SD1_DATA1__SD1_DATA1 678 -MX51_PAD_EIM_DA4__EIM_DA4 679 -MX51_PAD_EIM_DA5__EIM_DA5 680 -MX51_PAD_EIM_DA6__EIM_DA6 681 -MX51_PAD_EIM_DA7__EIM_DA7 682 -MX51_PAD_SD1_DATA2__AUD5_TXC 683 -MX51_PAD_SD1_DATA2__SD1_DATA2 684 -MX51_PAD_EIM_DA10__EIM_DA10 685 -MX51_PAD_EIM_DA11__EIM_DA11 686 -MX51_PAD_EIM_DA8__EIM_DA8 687 -MX51_PAD_EIM_DA9__EIM_DA9 688 -MX51_PAD_SD1_DATA3__AUD5_TXFS 689 -MX51_PAD_SD1_DATA3__CSPI_SS1 690 -MX51_PAD_SD1_DATA3__SD1_DATA3 691 -MX51_PAD_GPIO1_0__CSPI_SS2 692 -MX51_PAD_GPIO1_0__GPIO1_0 693 -MX51_PAD_GPIO1_0__SD1_CD 694 -MX51_PAD_GPIO1_1__CSPI_MISO 695 -MX51_PAD_GPIO1_1__GPIO1_1 696 -MX51_PAD_GPIO1_1__SD1_WP 697 -MX51_PAD_EIM_DA12__EIM_DA12 698 -MX51_PAD_EIM_DA13__EIM_DA13 699 -MX51_PAD_EIM_DA14__EIM_DA14 700 -MX51_PAD_EIM_DA15__EIM_DA15 701 -MX51_PAD_SD2_CMD__CSPI_MOSI 702 -MX51_PAD_SD2_CMD__I2C1_SCL 703 -MX51_PAD_SD2_CMD__SD2_CMD 704 -MX51_PAD_SD2_CLK__CSPI_SCLK 705 -MX51_PAD_SD2_CLK__I2C1_SDA 706 -MX51_PAD_SD2_CLK__SD2_CLK 707 -MX51_PAD_SD2_DATA0__CSPI_MISO 708 -MX51_PAD_SD2_DATA0__SD1_DAT4 709 -MX51_PAD_SD2_DATA0__SD2_DATA0 710 -MX51_PAD_SD2_DATA1__SD1_DAT5 711 -MX51_PAD_SD2_DATA1__SD2_DATA1 712 -MX51_PAD_SD2_DATA1__USBH3_H2_DP 713 -MX51_PAD_SD2_DATA2__SD1_DAT6 714 -MX51_PAD_SD2_DATA2__SD2_DATA2 715 -MX51_PAD_SD2_DATA2__USBH3_H2_DM 716 -MX51_PAD_SD2_DATA3__CSPI_SS2 717 -MX51_PAD_SD2_DATA3__SD1_DAT7 718 -MX51_PAD_SD2_DATA3__SD2_DATA3 719 -MX51_PAD_GPIO1_2__CCM_OUT_2 720 -MX51_PAD_GPIO1_2__GPIO1_2 721 -MX51_PAD_GPIO1_2__I2C2_SCL 722 -MX51_PAD_GPIO1_2__PLL1_BYP 723 -MX51_PAD_GPIO1_2__PWM1_PWMO 724 -MX51_PAD_GPIO1_3__GPIO1_3 725 -MX51_PAD_GPIO1_3__I2C2_SDA 726 -MX51_PAD_GPIO1_3__PLL2_BYP 727 -MX51_PAD_GPIO1_3__PWM2_PWMO 728 -MX51_PAD_PMIC_INT_REQ__PMIC_INT_REQ 729 -MX51_PAD_PMIC_INT_REQ__PMIC_PMU_IRQ_B 730 -MX51_PAD_GPIO1_4__DISP2_EXT_CLK 731 -MX51_PAD_GPIO1_4__EIM_RDY 732 -MX51_PAD_GPIO1_4__GPIO1_4 733 -MX51_PAD_GPIO1_4__WDOG1_WDOG_B 734 -MX51_PAD_GPIO1_5__CSI2_MCLK 735 -MX51_PAD_GPIO1_5__DISP2_PIN16 736 -MX51_PAD_GPIO1_5__GPIO1_5 737 -MX51_PAD_GPIO1_5__WDOG2_WDOG_B 738 -MX51_PAD_GPIO1_6__DISP2_PIN17 739 -MX51_PAD_GPIO1_6__GPIO1_6 740 -MX51_PAD_GPIO1_6__REF_EN_B 741 -MX51_PAD_GPIO1_7__CCM_OUT_0 742 -MX51_PAD_GPIO1_7__GPIO1_7 743 -MX51_PAD_GPIO1_7__SD2_WP 744 -MX51_PAD_GPIO1_7__SPDIF_OUT1 745 -MX51_PAD_GPIO1_8__CSI2_DATA_EN 746 -MX51_PAD_GPIO1_8__GPIO1_8 747 -MX51_PAD_GPIO1_8__SD2_CD 748 -MX51_PAD_GPIO1_8__USBH3_PWR 749 -MX51_PAD_GPIO1_9__CCM_OUT_1 750 -MX51_PAD_GPIO1_9__DISP2_D1_CS 751 -MX51_PAD_GPIO1_9__DISP2_SER_CS 752 -MX51_PAD_GPIO1_9__GPIO1_9 753 -MX51_PAD_GPIO1_9__SD2_LCTL 754 -MX51_PAD_GPIO1_9__USBH3_OC 755 +Refer to imx51-pinfunc.h in device tree source folder for all available +imx51 PIN_FUNC_ID. diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx53-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx53-pinctrl.txt index ca85ca432ef0..25dcb77cfaf7 100644 --- a/Documentation/devicetree/bindings/pinctrl/fsl,imx53-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx53-pinctrl.txt @@ -28,1175 +28,5 @@ PAD_CTL_DSE_MAX (3 << 1) PAD_CTL_SRE_FAST (1 << 0) PAD_CTL_SRE_SLOW (0 << 0) -See below for available PIN_FUNC_ID for imx53: -MX53_PAD_GPIO_19__KPP_COL_5 0 -MX53_PAD_GPIO_19__GPIO4_5 1 -MX53_PAD_GPIO_19__CCM_CLKO 2 -MX53_PAD_GPIO_19__SPDIF_OUT1 3 -MX53_PAD_GPIO_19__RTC_CE_RTC_EXT_TRIG2 4 -MX53_PAD_GPIO_19__ECSPI1_RDY 5 -MX53_PAD_GPIO_19__FEC_TDATA_3 6 -MX53_PAD_GPIO_19__SRC_INT_BOOT 7 -MX53_PAD_KEY_COL0__KPP_COL_0 8 -MX53_PAD_KEY_COL0__GPIO4_6 9 -MX53_PAD_KEY_COL0__AUDMUX_AUD5_TXC 10 -MX53_PAD_KEY_COL0__UART4_TXD_MUX 11 -MX53_PAD_KEY_COL0__ECSPI1_SCLK 12 -MX53_PAD_KEY_COL0__FEC_RDATA_3 13 -MX53_PAD_KEY_COL0__SRC_ANY_PU_RST 14 -MX53_PAD_KEY_ROW0__KPP_ROW_0 15 -MX53_PAD_KEY_ROW0__GPIO4_7 16 -MX53_PAD_KEY_ROW0__AUDMUX_AUD5_TXD 17 -MX53_PAD_KEY_ROW0__UART4_RXD_MUX 18 -MX53_PAD_KEY_ROW0__ECSPI1_MOSI 19 -MX53_PAD_KEY_ROW0__FEC_TX_ER 20 -MX53_PAD_KEY_COL1__KPP_COL_1 21 -MX53_PAD_KEY_COL1__GPIO4_8 22 -MX53_PAD_KEY_COL1__AUDMUX_AUD5_TXFS 23 -MX53_PAD_KEY_COL1__UART5_TXD_MUX 24 -MX53_PAD_KEY_COL1__ECSPI1_MISO 25 -MX53_PAD_KEY_COL1__FEC_RX_CLK 26 -MX53_PAD_KEY_COL1__USBPHY1_TXREADY 27 -MX53_PAD_KEY_ROW1__KPP_ROW_1 28 -MX53_PAD_KEY_ROW1__GPIO4_9 29 -MX53_PAD_KEY_ROW1__AUDMUX_AUD5_RXD 30 -MX53_PAD_KEY_ROW1__UART5_RXD_MUX 31 -MX53_PAD_KEY_ROW1__ECSPI1_SS0 32 -MX53_PAD_KEY_ROW1__FEC_COL 33 -MX53_PAD_KEY_ROW1__USBPHY1_RXVALID 34 -MX53_PAD_KEY_COL2__KPP_COL_2 35 -MX53_PAD_KEY_COL2__GPIO4_10 36 -MX53_PAD_KEY_COL2__CAN1_TXCAN 37 -MX53_PAD_KEY_COL2__FEC_MDIO 38 -MX53_PAD_KEY_COL2__ECSPI1_SS1 39 -MX53_PAD_KEY_COL2__FEC_RDATA_2 40 -MX53_PAD_KEY_COL2__USBPHY1_RXACTIVE 41 -MX53_PAD_KEY_ROW2__KPP_ROW_2 42 -MX53_PAD_KEY_ROW2__GPIO4_11 43 -MX53_PAD_KEY_ROW2__CAN1_RXCAN 44 -MX53_PAD_KEY_ROW2__FEC_MDC 45 -MX53_PAD_KEY_ROW2__ECSPI1_SS2 46 -MX53_PAD_KEY_ROW2__FEC_TDATA_2 47 -MX53_PAD_KEY_ROW2__USBPHY1_RXERROR 48 -MX53_PAD_KEY_COL3__KPP_COL_3 49 -MX53_PAD_KEY_COL3__GPIO4_12 50 -MX53_PAD_KEY_COL3__USBOH3_H2_DP 51 -MX53_PAD_KEY_COL3__SPDIF_IN1 52 -MX53_PAD_KEY_COL3__I2C2_SCL 53 -MX53_PAD_KEY_COL3__ECSPI1_SS3 54 -MX53_PAD_KEY_COL3__FEC_CRS 55 -MX53_PAD_KEY_COL3__USBPHY1_SIECLOCK 56 -MX53_PAD_KEY_ROW3__KPP_ROW_3 57 -MX53_PAD_KEY_ROW3__GPIO4_13 58 -MX53_PAD_KEY_ROW3__USBOH3_H2_DM 59 -MX53_PAD_KEY_ROW3__CCM_ASRC_EXT_CLK 60 -MX53_PAD_KEY_ROW3__I2C2_SDA 61 -MX53_PAD_KEY_ROW3__OSC32K_32K_OUT 62 -MX53_PAD_KEY_ROW3__CCM_PLL4_BYP 63 -MX53_PAD_KEY_ROW3__USBPHY1_LINESTATE_0 64 -MX53_PAD_KEY_COL4__KPP_COL_4 65 -MX53_PAD_KEY_COL4__GPIO4_14 66 -MX53_PAD_KEY_COL4__CAN2_TXCAN 67 -MX53_PAD_KEY_COL4__IPU_SISG_4 68 -MX53_PAD_KEY_COL4__UART5_RTS 69 -MX53_PAD_KEY_COL4__USBOH3_USBOTG_OC 70 -MX53_PAD_KEY_COL4__USBPHY1_LINESTATE_1 71 -MX53_PAD_KEY_ROW4__KPP_ROW_4 72 -MX53_PAD_KEY_ROW4__GPIO4_15 73 -MX53_PAD_KEY_ROW4__CAN2_RXCAN 74 -MX53_PAD_KEY_ROW4__IPU_SISG_5 75 -MX53_PAD_KEY_ROW4__UART5_CTS 76 -MX53_PAD_KEY_ROW4__USBOH3_USBOTG_PWR 77 -MX53_PAD_KEY_ROW4__USBPHY1_VBUSVALID 78 -MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK 79 -MX53_PAD_DI0_DISP_CLK__GPIO4_16 80 -MX53_PAD_DI0_DISP_CLK__USBOH3_USBH2_DIR 81 -MX53_PAD_DI0_DISP_CLK__SDMA_DEBUG_CORE_STATE_0 82 -MX53_PAD_DI0_DISP_CLK__EMI_EMI_DEBUG_0 83 -MX53_PAD_DI0_DISP_CLK__USBPHY1_AVALID 84 -MX53_PAD_DI0_PIN15__IPU_DI0_PIN15 85 -MX53_PAD_DI0_PIN15__GPIO4_17 86 -MX53_PAD_DI0_PIN15__AUDMUX_AUD6_TXC 87 -MX53_PAD_DI0_PIN15__SDMA_DEBUG_CORE_STATE_1 88 -MX53_PAD_DI0_PIN15__EMI_EMI_DEBUG_1 89 -MX53_PAD_DI0_PIN15__USBPHY1_BVALID 90 -MX53_PAD_DI0_PIN2__IPU_DI0_PIN2 91 -MX53_PAD_DI0_PIN2__GPIO4_18 92 -MX53_PAD_DI0_PIN2__AUDMUX_AUD6_TXD 93 -MX53_PAD_DI0_PIN2__SDMA_DEBUG_CORE_STATE_2 94 -MX53_PAD_DI0_PIN2__EMI_EMI_DEBUG_2 95 -MX53_PAD_DI0_PIN2__USBPHY1_ENDSESSION 96 -MX53_PAD_DI0_PIN3__IPU_DI0_PIN3 97 -MX53_PAD_DI0_PIN3__GPIO4_19 98 -MX53_PAD_DI0_PIN3__AUDMUX_AUD6_TXFS 99 -MX53_PAD_DI0_PIN3__SDMA_DEBUG_CORE_STATE_3 100 -MX53_PAD_DI0_PIN3__EMI_EMI_DEBUG_3 101 -MX53_PAD_DI0_PIN3__USBPHY1_IDDIG 102 -MX53_PAD_DI0_PIN4__IPU_DI0_PIN4 103 -MX53_PAD_DI0_PIN4__GPIO4_20 104 -MX53_PAD_DI0_PIN4__AUDMUX_AUD6_RXD 105 -MX53_PAD_DI0_PIN4__ESDHC1_WP 106 -MX53_PAD_DI0_PIN4__SDMA_DEBUG_YIELD 107 -MX53_PAD_DI0_PIN4__EMI_EMI_DEBUG_4 108 -MX53_PAD_DI0_PIN4__USBPHY1_HOSTDISCONNECT 109 -MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0 110 -MX53_PAD_DISP0_DAT0__GPIO4_21 111 -MX53_PAD_DISP0_DAT0__CSPI_SCLK 112 -MX53_PAD_DISP0_DAT0__USBOH3_USBH2_DATA_0 113 -MX53_PAD_DISP0_DAT0__SDMA_DEBUG_CORE_RUN 114 -MX53_PAD_DISP0_DAT0__EMI_EMI_DEBUG_5 115 -MX53_PAD_DISP0_DAT0__USBPHY2_TXREADY 116 -MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1 117 -MX53_PAD_DISP0_DAT1__GPIO4_22 118 -MX53_PAD_DISP0_DAT1__CSPI_MOSI 119 -MX53_PAD_DISP0_DAT1__USBOH3_USBH2_DATA_1 120 -MX53_PAD_DISP0_DAT1__SDMA_DEBUG_EVENT_CHANNEL_SEL 121 -MX53_PAD_DISP0_DAT1__EMI_EMI_DEBUG_6 122 -MX53_PAD_DISP0_DAT1__USBPHY2_RXVALID 123 -MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2 124 -MX53_PAD_DISP0_DAT2__GPIO4_23 125 -MX53_PAD_DISP0_DAT2__CSPI_MISO 126 -MX53_PAD_DISP0_DAT2__USBOH3_USBH2_DATA_2 127 -MX53_PAD_DISP0_DAT2__SDMA_DEBUG_MODE 128 -MX53_PAD_DISP0_DAT2__EMI_EMI_DEBUG_7 129 -MX53_PAD_DISP0_DAT2__USBPHY2_RXACTIVE 130 -MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3 131 -MX53_PAD_DISP0_DAT3__GPIO4_24 132 -MX53_PAD_DISP0_DAT3__CSPI_SS0 133 -MX53_PAD_DISP0_DAT3__USBOH3_USBH2_DATA_3 134 -MX53_PAD_DISP0_DAT3__SDMA_DEBUG_BUS_ERROR 135 -MX53_PAD_DISP0_DAT3__EMI_EMI_DEBUG_8 136 -MX53_PAD_DISP0_DAT3__USBPHY2_RXERROR 137 -MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4 138 -MX53_PAD_DISP0_DAT4__GPIO4_25 139 -MX53_PAD_DISP0_DAT4__CSPI_SS1 140 -MX53_PAD_DISP0_DAT4__USBOH3_USBH2_DATA_4 141 -MX53_PAD_DISP0_DAT4__SDMA_DEBUG_BUS_RWB 142 -MX53_PAD_DISP0_DAT4__EMI_EMI_DEBUG_9 143 -MX53_PAD_DISP0_DAT4__USBPHY2_SIECLOCK 144 -MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5 145 -MX53_PAD_DISP0_DAT5__GPIO4_26 146 -MX53_PAD_DISP0_DAT5__CSPI_SS2 147 -MX53_PAD_DISP0_DAT5__USBOH3_USBH2_DATA_5 148 -MX53_PAD_DISP0_DAT5__SDMA_DEBUG_MATCHED_DMBUS 149 -MX53_PAD_DISP0_DAT5__EMI_EMI_DEBUG_10 150 -MX53_PAD_DISP0_DAT5__USBPHY2_LINESTATE_0 151 -MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6 152 -MX53_PAD_DISP0_DAT6__GPIO4_27 153 -MX53_PAD_DISP0_DAT6__CSPI_SS3 154 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-MX53_PAD_DISP0_DAT9__EMI_EMI_DEBUG_14 178 -MX53_PAD_DISP0_DAT9__USBPHY2_VSTATUS_0 179 -MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10 180 -MX53_PAD_DISP0_DAT10__GPIO4_31 181 -MX53_PAD_DISP0_DAT10__USBOH3_USBH2_STP 182 -MX53_PAD_DISP0_DAT10__SDMA_DEBUG_EVENT_CHANNEL_3 183 -MX53_PAD_DISP0_DAT10__EMI_EMI_DEBUG_15 184 -MX53_PAD_DISP0_DAT10__USBPHY2_VSTATUS_1 185 -MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11 186 -MX53_PAD_DISP0_DAT11__GPIO5_5 187 -MX53_PAD_DISP0_DAT11__USBOH3_USBH2_NXT 188 -MX53_PAD_DISP0_DAT11__SDMA_DEBUG_EVENT_CHANNEL_4 189 -MX53_PAD_DISP0_DAT11__EMI_EMI_DEBUG_16 190 -MX53_PAD_DISP0_DAT11__USBPHY2_VSTATUS_2 191 -MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12 192 -MX53_PAD_DISP0_DAT12__GPIO5_6 193 -MX53_PAD_DISP0_DAT12__USBOH3_USBH2_CLK 194 -MX53_PAD_DISP0_DAT12__SDMA_DEBUG_EVENT_CHANNEL_5 195 -MX53_PAD_DISP0_DAT12__EMI_EMI_DEBUG_17 196 -MX53_PAD_DISP0_DAT12__USBPHY2_VSTATUS_3 197 -MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13 198 -MX53_PAD_DISP0_DAT13__GPIO5_7 199 -MX53_PAD_DISP0_DAT13__AUDMUX_AUD5_RXFS 200 -MX53_PAD_DISP0_DAT13__SDMA_DEBUG_EVT_CHN_LINES_0 201 -MX53_PAD_DISP0_DAT13__EMI_EMI_DEBUG_18 202 -MX53_PAD_DISP0_DAT13__USBPHY2_VSTATUS_4 203 -MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14 204 -MX53_PAD_DISP0_DAT14__GPIO5_8 205 -MX53_PAD_DISP0_DAT14__AUDMUX_AUD5_RXC 206 -MX53_PAD_DISP0_DAT14__SDMA_DEBUG_EVT_CHN_LINES_1 207 -MX53_PAD_DISP0_DAT14__EMI_EMI_DEBUG_19 208 -MX53_PAD_DISP0_DAT14__USBPHY2_VSTATUS_5 209 -MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15 210 -MX53_PAD_DISP0_DAT15__GPIO5_9 211 -MX53_PAD_DISP0_DAT15__ECSPI1_SS1 212 -MX53_PAD_DISP0_DAT15__ECSPI2_SS1 213 -MX53_PAD_DISP0_DAT15__SDMA_DEBUG_EVT_CHN_LINES_2 214 -MX53_PAD_DISP0_DAT15__EMI_EMI_DEBUG_20 215 -MX53_PAD_DISP0_DAT15__USBPHY2_VSTATUS_6 216 -MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16 217 -MX53_PAD_DISP0_DAT16__GPIO5_10 218 -MX53_PAD_DISP0_DAT16__ECSPI2_MOSI 219 -MX53_PAD_DISP0_DAT16__AUDMUX_AUD5_TXC 220 -MX53_PAD_DISP0_DAT16__SDMA_EXT_EVENT_0 221 -MX53_PAD_DISP0_DAT16__SDMA_DEBUG_EVT_CHN_LINES_3 222 -MX53_PAD_DISP0_DAT16__EMI_EMI_DEBUG_21 223 -MX53_PAD_DISP0_DAT16__USBPHY2_VSTATUS_7 224 -MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17 225 -MX53_PAD_DISP0_DAT17__GPIO5_11 226 -MX53_PAD_DISP0_DAT17__ECSPI2_MISO 227 -MX53_PAD_DISP0_DAT17__AUDMUX_AUD5_TXD 228 -MX53_PAD_DISP0_DAT17__SDMA_EXT_EVENT_1 229 -MX53_PAD_DISP0_DAT17__SDMA_DEBUG_EVT_CHN_LINES_4 230 -MX53_PAD_DISP0_DAT17__EMI_EMI_DEBUG_22 231 -MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18 232 -MX53_PAD_DISP0_DAT18__GPIO5_12 233 -MX53_PAD_DISP0_DAT18__ECSPI2_SS0 234 -MX53_PAD_DISP0_DAT18__AUDMUX_AUD5_TXFS 235 -MX53_PAD_DISP0_DAT18__AUDMUX_AUD4_RXFS 236 -MX53_PAD_DISP0_DAT18__SDMA_DEBUG_EVT_CHN_LINES_5 237 -MX53_PAD_DISP0_DAT18__EMI_EMI_DEBUG_23 238 -MX53_PAD_DISP0_DAT18__EMI_WEIM_CS_2 239 -MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19 240 -MX53_PAD_DISP0_DAT19__GPIO5_13 241 -MX53_PAD_DISP0_DAT19__ECSPI2_SCLK 242 -MX53_PAD_DISP0_DAT19__AUDMUX_AUD5_RXD 243 -MX53_PAD_DISP0_DAT19__AUDMUX_AUD4_RXC 244 -MX53_PAD_DISP0_DAT19__SDMA_DEBUG_EVT_CHN_LINES_6 245 -MX53_PAD_DISP0_DAT19__EMI_EMI_DEBUG_24 246 -MX53_PAD_DISP0_DAT19__EMI_WEIM_CS_3 247 -MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20 248 -MX53_PAD_DISP0_DAT20__GPIO5_14 249 -MX53_PAD_DISP0_DAT20__ECSPI1_SCLK 250 -MX53_PAD_DISP0_DAT20__AUDMUX_AUD4_TXC 251 -MX53_PAD_DISP0_DAT20__SDMA_DEBUG_EVT_CHN_LINES_7 252 -MX53_PAD_DISP0_DAT20__EMI_EMI_DEBUG_25 253 -MX53_PAD_DISP0_DAT20__SATA_PHY_TDI 254 -MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21 255 -MX53_PAD_DISP0_DAT21__GPIO5_15 256 -MX53_PAD_DISP0_DAT21__ECSPI1_MOSI 257 -MX53_PAD_DISP0_DAT21__AUDMUX_AUD4_TXD 258 -MX53_PAD_DISP0_DAT21__SDMA_DEBUG_BUS_DEVICE_0 259 -MX53_PAD_DISP0_DAT21__EMI_EMI_DEBUG_26 260 -MX53_PAD_DISP0_DAT21__SATA_PHY_TDO 261 -MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22 262 -MX53_PAD_DISP0_DAT22__GPIO5_16 263 -MX53_PAD_DISP0_DAT22__ECSPI1_MISO 264 -MX53_PAD_DISP0_DAT22__AUDMUX_AUD4_TXFS 265 -MX53_PAD_DISP0_DAT22__SDMA_DEBUG_BUS_DEVICE_1 266 -MX53_PAD_DISP0_DAT22__EMI_EMI_DEBUG_27 267 -MX53_PAD_DISP0_DAT22__SATA_PHY_TCK 268 -MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23 269 -MX53_PAD_DISP0_DAT23__GPIO5_17 270 -MX53_PAD_DISP0_DAT23__ECSPI1_SS0 271 -MX53_PAD_DISP0_DAT23__AUDMUX_AUD4_RXD 272 -MX53_PAD_DISP0_DAT23__SDMA_DEBUG_BUS_DEVICE_2 273 -MX53_PAD_DISP0_DAT23__EMI_EMI_DEBUG_28 274 -MX53_PAD_DISP0_DAT23__SATA_PHY_TMS 275 -MX53_PAD_CSI0_PIXCLK__IPU_CSI0_PIXCLK 276 -MX53_PAD_CSI0_PIXCLK__GPIO5_18 277 -MX53_PAD_CSI0_PIXCLK__SDMA_DEBUG_PC_0 278 -MX53_PAD_CSI0_PIXCLK__EMI_EMI_DEBUG_29 279 -MX53_PAD_CSI0_MCLK__IPU_CSI0_HSYNC 280 -MX53_PAD_CSI0_MCLK__GPIO5_19 281 -MX53_PAD_CSI0_MCLK__CCM_CSI0_MCLK 282 -MX53_PAD_CSI0_MCLK__SDMA_DEBUG_PC_1 283 -MX53_PAD_CSI0_MCLK__EMI_EMI_DEBUG_30 284 -MX53_PAD_CSI0_MCLK__TPIU_TRCTL 285 -MX53_PAD_CSI0_DATA_EN__IPU_CSI0_DATA_EN 286 -MX53_PAD_CSI0_DATA_EN__GPIO5_20 287 -MX53_PAD_CSI0_DATA_EN__SDMA_DEBUG_PC_2 288 -MX53_PAD_CSI0_DATA_EN__EMI_EMI_DEBUG_31 289 -MX53_PAD_CSI0_DATA_EN__TPIU_TRCLK 290 -MX53_PAD_CSI0_VSYNC__IPU_CSI0_VSYNC 291 -MX53_PAD_CSI0_VSYNC__GPIO5_21 292 -MX53_PAD_CSI0_VSYNC__SDMA_DEBUG_PC_3 293 -MX53_PAD_CSI0_VSYNC__EMI_EMI_DEBUG_32 294 -MX53_PAD_CSI0_VSYNC__TPIU_TRACE_0 295 -MX53_PAD_CSI0_DAT4__IPU_CSI0_D_4 296 -MX53_PAD_CSI0_DAT4__GPIO5_22 297 -MX53_PAD_CSI0_DAT4__KPP_COL_5 298 -MX53_PAD_CSI0_DAT4__ECSPI1_SCLK 299 -MX53_PAD_CSI0_DAT4__USBOH3_USBH3_STP 300 -MX53_PAD_CSI0_DAT4__AUDMUX_AUD3_TXC 301 -MX53_PAD_CSI0_DAT4__EMI_EMI_DEBUG_33 302 -MX53_PAD_CSI0_DAT4__TPIU_TRACE_1 303 -MX53_PAD_CSI0_DAT5__IPU_CSI0_D_5 304 -MX53_PAD_CSI0_DAT5__GPIO5_23 305 -MX53_PAD_CSI0_DAT5__KPP_ROW_5 306 -MX53_PAD_CSI0_DAT5__ECSPI1_MOSI 307 -MX53_PAD_CSI0_DAT5__USBOH3_USBH3_NXT 308 -MX53_PAD_CSI0_DAT5__AUDMUX_AUD3_TXD 309 -MX53_PAD_CSI0_DAT5__EMI_EMI_DEBUG_34 310 -MX53_PAD_CSI0_DAT5__TPIU_TRACE_2 311 -MX53_PAD_CSI0_DAT6__IPU_CSI0_D_6 312 -MX53_PAD_CSI0_DAT6__GPIO5_24 313 -MX53_PAD_CSI0_DAT6__KPP_COL_6 314 -MX53_PAD_CSI0_DAT6__ECSPI1_MISO 315 -MX53_PAD_CSI0_DAT6__USBOH3_USBH3_CLK 316 -MX53_PAD_CSI0_DAT6__AUDMUX_AUD3_TXFS 317 -MX53_PAD_CSI0_DAT6__EMI_EMI_DEBUG_35 318 -MX53_PAD_CSI0_DAT6__TPIU_TRACE_3 319 -MX53_PAD_CSI0_DAT7__IPU_CSI0_D_7 320 -MX53_PAD_CSI0_DAT7__GPIO5_25 321 -MX53_PAD_CSI0_DAT7__KPP_ROW_6 322 -MX53_PAD_CSI0_DAT7__ECSPI1_SS0 323 -MX53_PAD_CSI0_DAT7__USBOH3_USBH3_DIR 324 -MX53_PAD_CSI0_DAT7__AUDMUX_AUD3_RXD 325 -MX53_PAD_CSI0_DAT7__EMI_EMI_DEBUG_36 326 -MX53_PAD_CSI0_DAT7__TPIU_TRACE_4 327 -MX53_PAD_CSI0_DAT8__IPU_CSI0_D_8 328 -MX53_PAD_CSI0_DAT8__GPIO5_26 329 -MX53_PAD_CSI0_DAT8__KPP_COL_7 330 -MX53_PAD_CSI0_DAT8__ECSPI2_SCLK 331 -MX53_PAD_CSI0_DAT8__USBOH3_USBH3_OC 332 -MX53_PAD_CSI0_DAT8__I2C1_SDA 333 -MX53_PAD_CSI0_DAT8__EMI_EMI_DEBUG_37 334 -MX53_PAD_CSI0_DAT8__TPIU_TRACE_5 335 -MX53_PAD_CSI0_DAT9__IPU_CSI0_D_9 336 -MX53_PAD_CSI0_DAT9__GPIO5_27 337 -MX53_PAD_CSI0_DAT9__KPP_ROW_7 338 -MX53_PAD_CSI0_DAT9__ECSPI2_MOSI 339 -MX53_PAD_CSI0_DAT9__USBOH3_USBH3_PWR 340 -MX53_PAD_CSI0_DAT9__I2C1_SCL 341 -MX53_PAD_CSI0_DAT9__EMI_EMI_DEBUG_38 342 -MX53_PAD_CSI0_DAT9__TPIU_TRACE_6 343 -MX53_PAD_CSI0_DAT10__IPU_CSI0_D_10 344 -MX53_PAD_CSI0_DAT10__GPIO5_28 345 -MX53_PAD_CSI0_DAT10__UART1_TXD_MUX 346 -MX53_PAD_CSI0_DAT10__ECSPI2_MISO 347 -MX53_PAD_CSI0_DAT10__AUDMUX_AUD3_RXC 348 -MX53_PAD_CSI0_DAT10__SDMA_DEBUG_PC_4 349 -MX53_PAD_CSI0_DAT10__EMI_EMI_DEBUG_39 350 -MX53_PAD_CSI0_DAT10__TPIU_TRACE_7 351 -MX53_PAD_CSI0_DAT11__IPU_CSI0_D_11 352 -MX53_PAD_CSI0_DAT11__GPIO5_29 353 -MX53_PAD_CSI0_DAT11__UART1_RXD_MUX 354 -MX53_PAD_CSI0_DAT11__ECSPI2_SS0 355 -MX53_PAD_CSI0_DAT11__AUDMUX_AUD3_RXFS 356 -MX53_PAD_CSI0_DAT11__SDMA_DEBUG_PC_5 357 -MX53_PAD_CSI0_DAT11__EMI_EMI_DEBUG_40 358 -MX53_PAD_CSI0_DAT11__TPIU_TRACE_8 359 -MX53_PAD_CSI0_DAT12__IPU_CSI0_D_12 360 -MX53_PAD_CSI0_DAT12__GPIO5_30 361 -MX53_PAD_CSI0_DAT12__UART4_TXD_MUX 362 -MX53_PAD_CSI0_DAT12__USBOH3_USBH3_DATA_0 363 -MX53_PAD_CSI0_DAT12__SDMA_DEBUG_PC_6 364 -MX53_PAD_CSI0_DAT12__EMI_EMI_DEBUG_41 365 -MX53_PAD_CSI0_DAT12__TPIU_TRACE_9 366 -MX53_PAD_CSI0_DAT13__IPU_CSI0_D_13 367 -MX53_PAD_CSI0_DAT13__GPIO5_31 368 -MX53_PAD_CSI0_DAT13__UART4_RXD_MUX 369 -MX53_PAD_CSI0_DAT13__USBOH3_USBH3_DATA_1 370 -MX53_PAD_CSI0_DAT13__SDMA_DEBUG_PC_7 371 -MX53_PAD_CSI0_DAT13__EMI_EMI_DEBUG_42 372 -MX53_PAD_CSI0_DAT13__TPIU_TRACE_10 373 -MX53_PAD_CSI0_DAT14__IPU_CSI0_D_14 374 -MX53_PAD_CSI0_DAT14__GPIO6_0 375 -MX53_PAD_CSI0_DAT14__UART5_TXD_MUX 376 -MX53_PAD_CSI0_DAT14__USBOH3_USBH3_DATA_2 377 -MX53_PAD_CSI0_DAT14__SDMA_DEBUG_PC_8 378 -MX53_PAD_CSI0_DAT14__EMI_EMI_DEBUG_43 379 -MX53_PAD_CSI0_DAT14__TPIU_TRACE_11 380 -MX53_PAD_CSI0_DAT15__IPU_CSI0_D_15 381 -MX53_PAD_CSI0_DAT15__GPIO6_1 382 -MX53_PAD_CSI0_DAT15__UART5_RXD_MUX 383 -MX53_PAD_CSI0_DAT15__USBOH3_USBH3_DATA_3 384 -MX53_PAD_CSI0_DAT15__SDMA_DEBUG_PC_9 385 -MX53_PAD_CSI0_DAT15__EMI_EMI_DEBUG_44 386 -MX53_PAD_CSI0_DAT15__TPIU_TRACE_12 387 -MX53_PAD_CSI0_DAT16__IPU_CSI0_D_16 388 -MX53_PAD_CSI0_DAT16__GPIO6_2 389 -MX53_PAD_CSI0_DAT16__UART4_RTS 390 -MX53_PAD_CSI0_DAT16__USBOH3_USBH3_DATA_4 391 -MX53_PAD_CSI0_DAT16__SDMA_DEBUG_PC_10 392 -MX53_PAD_CSI0_DAT16__EMI_EMI_DEBUG_45 393 -MX53_PAD_CSI0_DAT16__TPIU_TRACE_13 394 -MX53_PAD_CSI0_DAT17__IPU_CSI0_D_17 395 -MX53_PAD_CSI0_DAT17__GPIO6_3 396 -MX53_PAD_CSI0_DAT17__UART4_CTS 397 -MX53_PAD_CSI0_DAT17__USBOH3_USBH3_DATA_5 398 -MX53_PAD_CSI0_DAT17__SDMA_DEBUG_PC_11 399 -MX53_PAD_CSI0_DAT17__EMI_EMI_DEBUG_46 400 -MX53_PAD_CSI0_DAT17__TPIU_TRACE_14 401 -MX53_PAD_CSI0_DAT18__IPU_CSI0_D_18 402 -MX53_PAD_CSI0_DAT18__GPIO6_4 403 -MX53_PAD_CSI0_DAT18__UART5_RTS 404 -MX53_PAD_CSI0_DAT18__USBOH3_USBH3_DATA_6 405 -MX53_PAD_CSI0_DAT18__SDMA_DEBUG_PC_12 406 -MX53_PAD_CSI0_DAT18__EMI_EMI_DEBUG_47 407 -MX53_PAD_CSI0_DAT18__TPIU_TRACE_15 408 -MX53_PAD_CSI0_DAT19__IPU_CSI0_D_19 409 -MX53_PAD_CSI0_DAT19__GPIO6_5 410 -MX53_PAD_CSI0_DAT19__UART5_CTS 411 -MX53_PAD_CSI0_DAT19__USBOH3_USBH3_DATA_7 412 -MX53_PAD_CSI0_DAT19__SDMA_DEBUG_PC_13 413 -MX53_PAD_CSI0_DAT19__EMI_EMI_DEBUG_48 414 -MX53_PAD_CSI0_DAT19__USBPHY2_BISTOK 415 -MX53_PAD_EIM_A25__EMI_WEIM_A_25 416 -MX53_PAD_EIM_A25__GPIO5_2 417 -MX53_PAD_EIM_A25__ECSPI2_RDY 418 -MX53_PAD_EIM_A25__IPU_DI1_PIN12 419 -MX53_PAD_EIM_A25__CSPI_SS1 420 -MX53_PAD_EIM_A25__IPU_DI0_D1_CS 421 -MX53_PAD_EIM_A25__USBPHY1_BISTOK 422 -MX53_PAD_EIM_EB2__EMI_WEIM_EB_2 423 -MX53_PAD_EIM_EB2__GPIO2_30 424 -MX53_PAD_EIM_EB2__CCM_DI1_EXT_CLK 425 -MX53_PAD_EIM_EB2__IPU_SER_DISP1_CS 426 -MX53_PAD_EIM_EB2__ECSPI1_SS0 427 -MX53_PAD_EIM_EB2__I2C2_SCL 428 -MX53_PAD_EIM_D16__EMI_WEIM_D_16 429 -MX53_PAD_EIM_D16__GPIO3_16 430 -MX53_PAD_EIM_D16__IPU_DI0_PIN5 431 -MX53_PAD_EIM_D16__IPU_DISPB1_SER_CLK 432 -MX53_PAD_EIM_D16__ECSPI1_SCLK 433 -MX53_PAD_EIM_D16__I2C2_SDA 434 -MX53_PAD_EIM_D17__EMI_WEIM_D_17 435 -MX53_PAD_EIM_D17__GPIO3_17 436 -MX53_PAD_EIM_D17__IPU_DI0_PIN6 437 -MX53_PAD_EIM_D17__IPU_DISPB1_SER_DIN 438 -MX53_PAD_EIM_D17__ECSPI1_MISO 439 -MX53_PAD_EIM_D17__I2C3_SCL 440 -MX53_PAD_EIM_D18__EMI_WEIM_D_18 441 -MX53_PAD_EIM_D18__GPIO3_18 442 -MX53_PAD_EIM_D18__IPU_DI0_PIN7 443 -MX53_PAD_EIM_D18__IPU_DISPB1_SER_DIO 444 -MX53_PAD_EIM_D18__ECSPI1_MOSI 445 -MX53_PAD_EIM_D18__I2C3_SDA 446 -MX53_PAD_EIM_D18__IPU_DI1_D0_CS 447 -MX53_PAD_EIM_D19__EMI_WEIM_D_19 448 -MX53_PAD_EIM_D19__GPIO3_19 449 -MX53_PAD_EIM_D19__IPU_DI0_PIN8 450 -MX53_PAD_EIM_D19__IPU_DISPB1_SER_RS 451 -MX53_PAD_EIM_D19__ECSPI1_SS1 452 -MX53_PAD_EIM_D19__EPIT1_EPITO 453 -MX53_PAD_EIM_D19__UART1_CTS 454 -MX53_PAD_EIM_D19__USBOH3_USBH2_OC 455 -MX53_PAD_EIM_D20__EMI_WEIM_D_20 456 -MX53_PAD_EIM_D20__GPIO3_20 457 -MX53_PAD_EIM_D20__IPU_DI0_PIN16 458 -MX53_PAD_EIM_D20__IPU_SER_DISP0_CS 459 -MX53_PAD_EIM_D20__CSPI_SS0 460 -MX53_PAD_EIM_D20__EPIT2_EPITO 461 -MX53_PAD_EIM_D20__UART1_RTS 462 -MX53_PAD_EIM_D20__USBOH3_USBH2_PWR 463 -MX53_PAD_EIM_D21__EMI_WEIM_D_21 464 -MX53_PAD_EIM_D21__GPIO3_21 465 -MX53_PAD_EIM_D21__IPU_DI0_PIN17 466 -MX53_PAD_EIM_D21__IPU_DISPB0_SER_CLK 467 -MX53_PAD_EIM_D21__CSPI_SCLK 468 -MX53_PAD_EIM_D21__I2C1_SCL 469 -MX53_PAD_EIM_D21__USBOH3_USBOTG_OC 470 -MX53_PAD_EIM_D22__EMI_WEIM_D_22 471 -MX53_PAD_EIM_D22__GPIO3_22 472 -MX53_PAD_EIM_D22__IPU_DI0_PIN1 473 -MX53_PAD_EIM_D22__IPU_DISPB0_SER_DIN 474 -MX53_PAD_EIM_D22__CSPI_MISO 475 -MX53_PAD_EIM_D22__USBOH3_USBOTG_PWR 476 -MX53_PAD_EIM_D23__EMI_WEIM_D_23 477 -MX53_PAD_EIM_D23__GPIO3_23 478 -MX53_PAD_EIM_D23__UART3_CTS 479 -MX53_PAD_EIM_D23__UART1_DCD 480 -MX53_PAD_EIM_D23__IPU_DI0_D0_CS 481 -MX53_PAD_EIM_D23__IPU_DI1_PIN2 482 -MX53_PAD_EIM_D23__IPU_CSI1_DATA_EN 483 -MX53_PAD_EIM_D23__IPU_DI1_PIN14 484 -MX53_PAD_EIM_EB3__EMI_WEIM_EB_3 485 -MX53_PAD_EIM_EB3__GPIO2_31 486 -MX53_PAD_EIM_EB3__UART3_RTS 487 -MX53_PAD_EIM_EB3__UART1_RI 488 -MX53_PAD_EIM_EB3__IPU_DI1_PIN3 489 -MX53_PAD_EIM_EB3__IPU_CSI1_HSYNC 490 -MX53_PAD_EIM_EB3__IPU_DI1_PIN16 491 -MX53_PAD_EIM_D24__EMI_WEIM_D_24 492 -MX53_PAD_EIM_D24__GPIO3_24 493 -MX53_PAD_EIM_D24__UART3_TXD_MUX 494 -MX53_PAD_EIM_D24__ECSPI1_SS2 495 -MX53_PAD_EIM_D24__CSPI_SS2 496 -MX53_PAD_EIM_D24__AUDMUX_AUD5_RXFS 497 -MX53_PAD_EIM_D24__ECSPI2_SS2 498 -MX53_PAD_EIM_D24__UART1_DTR 499 -MX53_PAD_EIM_D25__EMI_WEIM_D_25 500 -MX53_PAD_EIM_D25__GPIO3_25 501 -MX53_PAD_EIM_D25__UART3_RXD_MUX 502 -MX53_PAD_EIM_D25__ECSPI1_SS3 503 -MX53_PAD_EIM_D25__CSPI_SS3 504 -MX53_PAD_EIM_D25__AUDMUX_AUD5_RXC 505 -MX53_PAD_EIM_D25__ECSPI2_SS3 506 -MX53_PAD_EIM_D25__UART1_DSR 507 -MX53_PAD_EIM_D26__EMI_WEIM_D_26 508 -MX53_PAD_EIM_D26__GPIO3_26 509 -MX53_PAD_EIM_D26__UART2_TXD_MUX 510 -MX53_PAD_EIM_D26__FIRI_RXD 511 -MX53_PAD_EIM_D26__IPU_CSI0_D_1 512 -MX53_PAD_EIM_D26__IPU_DI1_PIN11 513 -MX53_PAD_EIM_D26__IPU_SISG_2 514 -MX53_PAD_EIM_D26__IPU_DISP1_DAT_22 515 -MX53_PAD_EIM_D27__EMI_WEIM_D_27 516 -MX53_PAD_EIM_D27__GPIO3_27 517 -MX53_PAD_EIM_D27__UART2_RXD_MUX 518 -MX53_PAD_EIM_D27__FIRI_TXD 519 -MX53_PAD_EIM_D27__IPU_CSI0_D_0 520 -MX53_PAD_EIM_D27__IPU_DI1_PIN13 521 -MX53_PAD_EIM_D27__IPU_SISG_3 522 -MX53_PAD_EIM_D27__IPU_DISP1_DAT_23 523 -MX53_PAD_EIM_D28__EMI_WEIM_D_28 524 -MX53_PAD_EIM_D28__GPIO3_28 525 -MX53_PAD_EIM_D28__UART2_CTS 526 -MX53_PAD_EIM_D28__IPU_DISPB0_SER_DIO 527 -MX53_PAD_EIM_D28__CSPI_MOSI 528 -MX53_PAD_EIM_D28__I2C1_SDA 529 -MX53_PAD_EIM_D28__IPU_EXT_TRIG 530 -MX53_PAD_EIM_D28__IPU_DI0_PIN13 531 -MX53_PAD_EIM_D29__EMI_WEIM_D_29 532 -MX53_PAD_EIM_D29__GPIO3_29 533 -MX53_PAD_EIM_D29__UART2_RTS 534 -MX53_PAD_EIM_D29__IPU_DISPB0_SER_RS 535 -MX53_PAD_EIM_D29__CSPI_SS0 536 -MX53_PAD_EIM_D29__IPU_DI1_PIN15 537 -MX53_PAD_EIM_D29__IPU_CSI1_VSYNC 538 -MX53_PAD_EIM_D29__IPU_DI0_PIN14 539 -MX53_PAD_EIM_D30__EMI_WEIM_D_30 540 -MX53_PAD_EIM_D30__GPIO3_30 541 -MX53_PAD_EIM_D30__UART3_CTS 542 -MX53_PAD_EIM_D30__IPU_CSI0_D_3 543 -MX53_PAD_EIM_D30__IPU_DI0_PIN11 544 -MX53_PAD_EIM_D30__IPU_DISP1_DAT_21 545 -MX53_PAD_EIM_D30__USBOH3_USBH1_OC 546 -MX53_PAD_EIM_D30__USBOH3_USBH2_OC 547 -MX53_PAD_EIM_D31__EMI_WEIM_D_31 548 -MX53_PAD_EIM_D31__GPIO3_31 549 -MX53_PAD_EIM_D31__UART3_RTS 550 -MX53_PAD_EIM_D31__IPU_CSI0_D_2 551 -MX53_PAD_EIM_D31__IPU_DI0_PIN12 552 -MX53_PAD_EIM_D31__IPU_DISP1_DAT_20 553 -MX53_PAD_EIM_D31__USBOH3_USBH1_PWR 554 -MX53_PAD_EIM_D31__USBOH3_USBH2_PWR 555 -MX53_PAD_EIM_A24__EMI_WEIM_A_24 556 -MX53_PAD_EIM_A24__GPIO5_4 557 -MX53_PAD_EIM_A24__IPU_DISP1_DAT_19 558 -MX53_PAD_EIM_A24__IPU_CSI1_D_19 559 -MX53_PAD_EIM_A24__IPU_SISG_2 560 -MX53_PAD_EIM_A24__USBPHY2_BVALID 561 -MX53_PAD_EIM_A23__EMI_WEIM_A_23 562 -MX53_PAD_EIM_A23__GPIO6_6 563 -MX53_PAD_EIM_A23__IPU_DISP1_DAT_18 564 -MX53_PAD_EIM_A23__IPU_CSI1_D_18 565 -MX53_PAD_EIM_A23__IPU_SISG_3 566 -MX53_PAD_EIM_A23__USBPHY2_ENDSESSION 567 -MX53_PAD_EIM_A22__EMI_WEIM_A_22 568 -MX53_PAD_EIM_A22__GPIO2_16 569 -MX53_PAD_EIM_A22__IPU_DISP1_DAT_17 570 -MX53_PAD_EIM_A22__IPU_CSI1_D_17 571 -MX53_PAD_EIM_A22__SRC_BT_CFG1_7 572 -MX53_PAD_EIM_A21__EMI_WEIM_A_21 573 -MX53_PAD_EIM_A21__GPIO2_17 574 -MX53_PAD_EIM_A21__IPU_DISP1_DAT_16 575 -MX53_PAD_EIM_A21__IPU_CSI1_D_16 576 -MX53_PAD_EIM_A21__SRC_BT_CFG1_6 577 -MX53_PAD_EIM_A20__EMI_WEIM_A_20 578 -MX53_PAD_EIM_A20__GPIO2_18 579 -MX53_PAD_EIM_A20__IPU_DISP1_DAT_15 580 -MX53_PAD_EIM_A20__IPU_CSI1_D_15 581 -MX53_PAD_EIM_A20__SRC_BT_CFG1_5 582 -MX53_PAD_EIM_A19__EMI_WEIM_A_19 583 -MX53_PAD_EIM_A19__GPIO2_19 584 -MX53_PAD_EIM_A19__IPU_DISP1_DAT_14 585 -MX53_PAD_EIM_A19__IPU_CSI1_D_14 586 -MX53_PAD_EIM_A19__SRC_BT_CFG1_4 587 -MX53_PAD_EIM_A18__EMI_WEIM_A_18 588 -MX53_PAD_EIM_A18__GPIO2_20 589 -MX53_PAD_EIM_A18__IPU_DISP1_DAT_13 590 -MX53_PAD_EIM_A18__IPU_CSI1_D_13 591 -MX53_PAD_EIM_A18__SRC_BT_CFG1_3 592 -MX53_PAD_EIM_A17__EMI_WEIM_A_17 593 -MX53_PAD_EIM_A17__GPIO2_21 594 -MX53_PAD_EIM_A17__IPU_DISP1_DAT_12 595 -MX53_PAD_EIM_A17__IPU_CSI1_D_12 596 -MX53_PAD_EIM_A17__SRC_BT_CFG1_2 597 -MX53_PAD_EIM_A16__EMI_WEIM_A_16 598 -MX53_PAD_EIM_A16__GPIO2_22 599 -MX53_PAD_EIM_A16__IPU_DI1_DISP_CLK 600 -MX53_PAD_EIM_A16__IPU_CSI1_PIXCLK 601 -MX53_PAD_EIM_A16__SRC_BT_CFG1_1 602 -MX53_PAD_EIM_CS0__EMI_WEIM_CS_0 603 -MX53_PAD_EIM_CS0__GPIO2_23 604 -MX53_PAD_EIM_CS0__ECSPI2_SCLK 605 -MX53_PAD_EIM_CS0__IPU_DI1_PIN5 606 -MX53_PAD_EIM_CS1__EMI_WEIM_CS_1 607 -MX53_PAD_EIM_CS1__GPIO2_24 608 -MX53_PAD_EIM_CS1__ECSPI2_MOSI 609 -MX53_PAD_EIM_CS1__IPU_DI1_PIN6 610 -MX53_PAD_EIM_OE__EMI_WEIM_OE 611 -MX53_PAD_EIM_OE__GPIO2_25 612 -MX53_PAD_EIM_OE__ECSPI2_MISO 613 -MX53_PAD_EIM_OE__IPU_DI1_PIN7 614 -MX53_PAD_EIM_OE__USBPHY2_IDDIG 615 -MX53_PAD_EIM_RW__EMI_WEIM_RW 616 -MX53_PAD_EIM_RW__GPIO2_26 617 -MX53_PAD_EIM_RW__ECSPI2_SS0 618 -MX53_PAD_EIM_RW__IPU_DI1_PIN8 619 -MX53_PAD_EIM_RW__USBPHY2_HOSTDISCONNECT 620 -MX53_PAD_EIM_LBA__EMI_WEIM_LBA 621 -MX53_PAD_EIM_LBA__GPIO2_27 622 -MX53_PAD_EIM_LBA__ECSPI2_SS1 623 -MX53_PAD_EIM_LBA__IPU_DI1_PIN17 624 -MX53_PAD_EIM_LBA__SRC_BT_CFG1_0 625 -MX53_PAD_EIM_EB0__EMI_WEIM_EB_0 626 -MX53_PAD_EIM_EB0__GPIO2_28 627 -MX53_PAD_EIM_EB0__IPU_DISP1_DAT_11 628 -MX53_PAD_EIM_EB0__IPU_CSI1_D_11 629 -MX53_PAD_EIM_EB0__GPC_PMIC_RDY 630 -MX53_PAD_EIM_EB0__SRC_BT_CFG2_7 631 -MX53_PAD_EIM_EB1__EMI_WEIM_EB_1 632 -MX53_PAD_EIM_EB1__GPIO2_29 633 -MX53_PAD_EIM_EB1__IPU_DISP1_DAT_10 634 -MX53_PAD_EIM_EB1__IPU_CSI1_D_10 635 -MX53_PAD_EIM_EB1__SRC_BT_CFG2_6 636 -MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0 637 -MX53_PAD_EIM_DA0__GPIO3_0 638 -MX53_PAD_EIM_DA0__IPU_DISP1_DAT_9 639 -MX53_PAD_EIM_DA0__IPU_CSI1_D_9 640 -MX53_PAD_EIM_DA0__SRC_BT_CFG2_5 641 -MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1 642 -MX53_PAD_EIM_DA1__GPIO3_1 643 -MX53_PAD_EIM_DA1__IPU_DISP1_DAT_8 644 -MX53_PAD_EIM_DA1__IPU_CSI1_D_8 645 -MX53_PAD_EIM_DA1__SRC_BT_CFG2_4 646 -MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2 647 -MX53_PAD_EIM_DA2__GPIO3_2 648 -MX53_PAD_EIM_DA2__IPU_DISP1_DAT_7 649 -MX53_PAD_EIM_DA2__IPU_CSI1_D_7 650 -MX53_PAD_EIM_DA2__SRC_BT_CFG2_3 651 -MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3 652 -MX53_PAD_EIM_DA3__GPIO3_3 653 -MX53_PAD_EIM_DA3__IPU_DISP1_DAT_6 654 -MX53_PAD_EIM_DA3__IPU_CSI1_D_6 655 -MX53_PAD_EIM_DA3__SRC_BT_CFG2_2 656 -MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4 657 -MX53_PAD_EIM_DA4__GPIO3_4 658 -MX53_PAD_EIM_DA4__IPU_DISP1_DAT_5 659 -MX53_PAD_EIM_DA4__IPU_CSI1_D_5 660 -MX53_PAD_EIM_DA4__SRC_BT_CFG3_7 661 -MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5 662 -MX53_PAD_EIM_DA5__GPIO3_5 663 -MX53_PAD_EIM_DA5__IPU_DISP1_DAT_4 664 -MX53_PAD_EIM_DA5__IPU_CSI1_D_4 665 -MX53_PAD_EIM_DA5__SRC_BT_CFG3_6 666 -MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6 667 -MX53_PAD_EIM_DA6__GPIO3_6 668 -MX53_PAD_EIM_DA6__IPU_DISP1_DAT_3 669 -MX53_PAD_EIM_DA6__IPU_CSI1_D_3 670 -MX53_PAD_EIM_DA6__SRC_BT_CFG3_5 671 -MX53_PAD_EIM_DA7__EMI_NAND_WEIM_DA_7 672 -MX53_PAD_EIM_DA7__GPIO3_7 673 -MX53_PAD_EIM_DA7__IPU_DISP1_DAT_2 674 -MX53_PAD_EIM_DA7__IPU_CSI1_D_2 675 -MX53_PAD_EIM_DA7__SRC_BT_CFG3_4 676 -MX53_PAD_EIM_DA8__EMI_NAND_WEIM_DA_8 677 -MX53_PAD_EIM_DA8__GPIO3_8 678 -MX53_PAD_EIM_DA8__IPU_DISP1_DAT_1 679 -MX53_PAD_EIM_DA8__IPU_CSI1_D_1 680 -MX53_PAD_EIM_DA8__SRC_BT_CFG3_3 681 -MX53_PAD_EIM_DA9__EMI_NAND_WEIM_DA_9 682 -MX53_PAD_EIM_DA9__GPIO3_9 683 -MX53_PAD_EIM_DA9__IPU_DISP1_DAT_0 684 -MX53_PAD_EIM_DA9__IPU_CSI1_D_0 685 -MX53_PAD_EIM_DA9__SRC_BT_CFG3_2 686 -MX53_PAD_EIM_DA10__EMI_NAND_WEIM_DA_10 687 -MX53_PAD_EIM_DA10__GPIO3_10 688 -MX53_PAD_EIM_DA10__IPU_DI1_PIN15 689 -MX53_PAD_EIM_DA10__IPU_CSI1_DATA_EN 690 -MX53_PAD_EIM_DA10__SRC_BT_CFG3_1 691 -MX53_PAD_EIM_DA11__EMI_NAND_WEIM_DA_11 692 -MX53_PAD_EIM_DA11__GPIO3_11 693 -MX53_PAD_EIM_DA11__IPU_DI1_PIN2 694 -MX53_PAD_EIM_DA11__IPU_CSI1_HSYNC 695 -MX53_PAD_EIM_DA12__EMI_NAND_WEIM_DA_12 696 -MX53_PAD_EIM_DA12__GPIO3_12 697 -MX53_PAD_EIM_DA12__IPU_DI1_PIN3 698 -MX53_PAD_EIM_DA12__IPU_CSI1_VSYNC 699 -MX53_PAD_EIM_DA13__EMI_NAND_WEIM_DA_13 700 -MX53_PAD_EIM_DA13__GPIO3_13 701 -MX53_PAD_EIM_DA13__IPU_DI1_D0_CS 702 -MX53_PAD_EIM_DA13__CCM_DI1_EXT_CLK 703 -MX53_PAD_EIM_DA14__EMI_NAND_WEIM_DA_14 704 -MX53_PAD_EIM_DA14__GPIO3_14 705 -MX53_PAD_EIM_DA14__IPU_DI1_D1_CS 706 -MX53_PAD_EIM_DA14__CCM_DI0_EXT_CLK 707 -MX53_PAD_EIM_DA15__EMI_NAND_WEIM_DA_15 708 -MX53_PAD_EIM_DA15__GPIO3_15 709 -MX53_PAD_EIM_DA15__IPU_DI1_PIN1 710 -MX53_PAD_EIM_DA15__IPU_DI1_PIN4 711 -MX53_PAD_NANDF_WE_B__EMI_NANDF_WE_B 712 -MX53_PAD_NANDF_WE_B__GPIO6_12 713 -MX53_PAD_NANDF_RE_B__EMI_NANDF_RE_B 714 -MX53_PAD_NANDF_RE_B__GPIO6_13 715 -MX53_PAD_EIM_WAIT__EMI_WEIM_WAIT 716 -MX53_PAD_EIM_WAIT__GPIO5_0 717 -MX53_PAD_EIM_WAIT__EMI_WEIM_DTACK_B 718 -MX53_PAD_LVDS1_TX3_P__GPIO6_22 719 -MX53_PAD_LVDS1_TX3_P__LDB_LVDS1_TX3 720 -MX53_PAD_LVDS1_TX2_P__GPIO6_24 721 -MX53_PAD_LVDS1_TX2_P__LDB_LVDS1_TX2 722 -MX53_PAD_LVDS1_CLK_P__GPIO6_26 723 -MX53_PAD_LVDS1_CLK_P__LDB_LVDS1_CLK 724 -MX53_PAD_LVDS1_TX1_P__GPIO6_28 725 -MX53_PAD_LVDS1_TX1_P__LDB_LVDS1_TX1 726 -MX53_PAD_LVDS1_TX0_P__GPIO6_30 727 -MX53_PAD_LVDS1_TX0_P__LDB_LVDS1_TX0 728 -MX53_PAD_LVDS0_TX3_P__GPIO7_22 729 -MX53_PAD_LVDS0_TX3_P__LDB_LVDS0_TX3 730 -MX53_PAD_LVDS0_CLK_P__GPIO7_24 731 -MX53_PAD_LVDS0_CLK_P__LDB_LVDS0_CLK 732 -MX53_PAD_LVDS0_TX2_P__GPIO7_26 733 -MX53_PAD_LVDS0_TX2_P__LDB_LVDS0_TX2 734 -MX53_PAD_LVDS0_TX1_P__GPIO7_28 735 -MX53_PAD_LVDS0_TX1_P__LDB_LVDS0_TX1 736 -MX53_PAD_LVDS0_TX0_P__GPIO7_30 737 -MX53_PAD_LVDS0_TX0_P__LDB_LVDS0_TX0 738 -MX53_PAD_GPIO_10__GPIO4_0 739 -MX53_PAD_GPIO_10__OSC32k_32K_OUT 740 -MX53_PAD_GPIO_11__GPIO4_1 741 -MX53_PAD_GPIO_12__GPIO4_2 742 -MX53_PAD_GPIO_13__GPIO4_3 743 -MX53_PAD_GPIO_14__GPIO4_4 744 -MX53_PAD_NANDF_CLE__EMI_NANDF_CLE 745 -MX53_PAD_NANDF_CLE__GPIO6_7 746 -MX53_PAD_NANDF_CLE__USBPHY1_VSTATUS_0 747 -MX53_PAD_NANDF_ALE__EMI_NANDF_ALE 748 -MX53_PAD_NANDF_ALE__GPIO6_8 749 -MX53_PAD_NANDF_ALE__USBPHY1_VSTATUS_1 750 -MX53_PAD_NANDF_WP_B__EMI_NANDF_WP_B 751 -MX53_PAD_NANDF_WP_B__GPIO6_9 752 -MX53_PAD_NANDF_WP_B__USBPHY1_VSTATUS_2 753 -MX53_PAD_NANDF_RB0__EMI_NANDF_RB_0 754 -MX53_PAD_NANDF_RB0__GPIO6_10 755 -MX53_PAD_NANDF_RB0__USBPHY1_VSTATUS_3 756 -MX53_PAD_NANDF_CS0__EMI_NANDF_CS_0 757 -MX53_PAD_NANDF_CS0__GPIO6_11 758 -MX53_PAD_NANDF_CS0__USBPHY1_VSTATUS_4 759 -MX53_PAD_NANDF_CS1__EMI_NANDF_CS_1 760 -MX53_PAD_NANDF_CS1__GPIO6_14 761 -MX53_PAD_NANDF_CS1__MLB_MLBCLK 762 -MX53_PAD_NANDF_CS1__USBPHY1_VSTATUS_5 763 -MX53_PAD_NANDF_CS2__EMI_NANDF_CS_2 764 -MX53_PAD_NANDF_CS2__GPIO6_15 765 -MX53_PAD_NANDF_CS2__IPU_SISG_0 766 -MX53_PAD_NANDF_CS2__ESAI1_TX0 767 -MX53_PAD_NANDF_CS2__EMI_WEIM_CRE 768 -MX53_PAD_NANDF_CS2__CCM_CSI0_MCLK 769 -MX53_PAD_NANDF_CS2__MLB_MLBSIG 770 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-MX53_PAD_GPIO_1__PWM2_PWMO 1080 -MX53_PAD_GPIO_1__WDOG2_WDOG_B 1081 -MX53_PAD_GPIO_1__ESDHC1_CD 1082 -MX53_PAD_GPIO_1__SRC_TESTER_ACK 1083 -MX53_PAD_GPIO_9__ESAI1_FSR 1084 -MX53_PAD_GPIO_9__GPIO1_9 1085 -MX53_PAD_GPIO_9__KPP_COL_6 1086 -MX53_PAD_GPIO_9__CCM_REF_EN_B 1087 -MX53_PAD_GPIO_9__PWM1_PWMO 1088 -MX53_PAD_GPIO_9__WDOG1_WDOG_B 1089 -MX53_PAD_GPIO_9__ESDHC1_WP 1090 -MX53_PAD_GPIO_9__SCC_FAIL_STATE 1091 -MX53_PAD_GPIO_3__ESAI1_HCKR 1092 -MX53_PAD_GPIO_3__GPIO1_3 1093 -MX53_PAD_GPIO_3__I2C3_SCL 1094 -MX53_PAD_GPIO_3__DPLLIP1_TOG_EN 1095 -MX53_PAD_GPIO_3__CCM_CLKO2 1096 -MX53_PAD_GPIO_3__OBSERVE_MUX_OBSRV_INT_OUT0 1097 -MX53_PAD_GPIO_3__USBOH3_USBH1_OC 1098 -MX53_PAD_GPIO_3__MLB_MLBCLK 1099 -MX53_PAD_GPIO_6__ESAI1_SCKT 1100 -MX53_PAD_GPIO_6__GPIO1_6 1101 -MX53_PAD_GPIO_6__I2C3_SDA 1102 -MX53_PAD_GPIO_6__CCM_CCM_OUT_0 1103 -MX53_PAD_GPIO_6__CSU_CSU_INT_DEB 1104 -MX53_PAD_GPIO_6__OBSERVE_MUX_OBSRV_INT_OUT1 1105 -MX53_PAD_GPIO_6__ESDHC2_LCTL 1106 -MX53_PAD_GPIO_6__MLB_MLBSIG 1107 -MX53_PAD_GPIO_2__ESAI1_FST 1108 -MX53_PAD_GPIO_2__GPIO1_2 1109 -MX53_PAD_GPIO_2__KPP_ROW_6 1110 -MX53_PAD_GPIO_2__CCM_CCM_OUT_1 1111 -MX53_PAD_GPIO_2__CSU_CSU_ALARM_AUT_0 1112 -MX53_PAD_GPIO_2__OBSERVE_MUX_OBSRV_INT_OUT2 1113 -MX53_PAD_GPIO_2__ESDHC2_WP 1114 -MX53_PAD_GPIO_2__MLB_MLBDAT 1115 -MX53_PAD_GPIO_4__ESAI1_HCKT 1116 -MX53_PAD_GPIO_4__GPIO1_4 1117 -MX53_PAD_GPIO_4__KPP_COL_7 1118 -MX53_PAD_GPIO_4__CCM_CCM_OUT_2 1119 -MX53_PAD_GPIO_4__CSU_CSU_ALARM_AUT_1 1120 -MX53_PAD_GPIO_4__OBSERVE_MUX_OBSRV_INT_OUT3 1121 -MX53_PAD_GPIO_4__ESDHC2_CD 1122 -MX53_PAD_GPIO_4__SCC_SEC_STATE 1123 -MX53_PAD_GPIO_5__ESAI1_TX2_RX3 1124 -MX53_PAD_GPIO_5__GPIO1_5 1125 -MX53_PAD_GPIO_5__KPP_ROW_7 1126 -MX53_PAD_GPIO_5__CCM_CLKO 1127 -MX53_PAD_GPIO_5__CSU_CSU_ALARM_AUT_2 1128 -MX53_PAD_GPIO_5__OBSERVE_MUX_OBSRV_INT_OUT4 1129 -MX53_PAD_GPIO_5__I2C3_SCL 1130 -MX53_PAD_GPIO_5__CCM_PLL1_BYP 1131 -MX53_PAD_GPIO_7__ESAI1_TX4_RX1 1132 -MX53_PAD_GPIO_7__GPIO1_7 1133 -MX53_PAD_GPIO_7__EPIT1_EPITO 1134 -MX53_PAD_GPIO_7__CAN1_TXCAN 1135 -MX53_PAD_GPIO_7__UART2_TXD_MUX 1136 -MX53_PAD_GPIO_7__FIRI_RXD 1137 -MX53_PAD_GPIO_7__SPDIF_PLOCK 1138 -MX53_PAD_GPIO_7__CCM_PLL2_BYP 1139 -MX53_PAD_GPIO_8__ESAI1_TX5_RX0 1140 -MX53_PAD_GPIO_8__GPIO1_8 1141 -MX53_PAD_GPIO_8__EPIT2_EPITO 1142 -MX53_PAD_GPIO_8__CAN1_RXCAN 1143 -MX53_PAD_GPIO_8__UART2_RXD_MUX 1144 -MX53_PAD_GPIO_8__FIRI_TXD 1145 -MX53_PAD_GPIO_8__SPDIF_SRCLK 1146 -MX53_PAD_GPIO_8__CCM_PLL3_BYP 1147 -MX53_PAD_GPIO_16__ESAI1_TX3_RX2 1148 -MX53_PAD_GPIO_16__GPIO7_11 1149 -MX53_PAD_GPIO_16__TZIC_PWRFAIL_INT 1150 -MX53_PAD_GPIO_16__RTC_CE_RTC_EXT_TRIG1 1151 -MX53_PAD_GPIO_16__SPDIF_IN1 1152 -MX53_PAD_GPIO_16__I2C3_SDA 1153 -MX53_PAD_GPIO_16__SJC_DE_B 1154 -MX53_PAD_GPIO_17__ESAI1_TX0 1155 -MX53_PAD_GPIO_17__GPIO7_12 1156 -MX53_PAD_GPIO_17__SDMA_EXT_EVENT_0 1157 -MX53_PAD_GPIO_17__GPC_PMIC_RDY 1158 -MX53_PAD_GPIO_17__RTC_CE_RTC_FSV_TRIG 1159 -MX53_PAD_GPIO_17__SPDIF_OUT1 1160 -MX53_PAD_GPIO_17__IPU_SNOOP2 1161 -MX53_PAD_GPIO_17__SJC_JTAG_ACT 1162 -MX53_PAD_GPIO_18__ESAI1_TX1 1163 -MX53_PAD_GPIO_18__GPIO7_13 1164 -MX53_PAD_GPIO_18__SDMA_EXT_EVENT_1 1165 -MX53_PAD_GPIO_18__OWIRE_LINE 1166 -MX53_PAD_GPIO_18__RTC_CE_RTC_ALARM2_TRIG 1167 -MX53_PAD_GPIO_18__CCM_ASRC_EXT_CLK 1168 -MX53_PAD_GPIO_18__ESDHC1_LCTL 1169 -MX53_PAD_GPIO_18__SRC_SYSTEM_RST 1170 +Refer to imx53-pinfunc.h in device tree source folder for all available +imx53 PIN_FUNC_ID. diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx6dl-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx6dl-pinctrl.txt new file mode 100644 index 000000000000..0ac5bee87505 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx6dl-pinctrl.txt @@ -0,0 +1,38 @@ +* Freescale IMX6 DualLite/Solo IOMUX Controller + +Please refer to fsl,imx-pinctrl.txt in this directory for common binding part +and usage. + +Required properties: +- compatible: "fsl,imx6dl-iomuxc" +- fsl,pins: two integers array, represents a group of pins mux and config + setting. The format is fsl,pins = <PIN_FUNC_ID CONFIG>, PIN_FUNC_ID is a + pin working on a specific function, CONFIG is the pad setting value like + pull-up for this pin. Please refer to imx6dl datasheet for the valid pad + config settings. + +CONFIG bits definition: +PAD_CTL_HYS (1 << 16) +PAD_CTL_PUS_100K_DOWN (0 << 14) +PAD_CTL_PUS_47K_UP (1 << 14) +PAD_CTL_PUS_100K_UP (2 << 14) +PAD_CTL_PUS_22K_UP (3 << 14) +PAD_CTL_PUE (1 << 13) +PAD_CTL_PKE (1 << 12) +PAD_CTL_ODE (1 << 11) +PAD_CTL_SPEED_LOW (1 << 6) +PAD_CTL_SPEED_MED (2 << 6) +PAD_CTL_SPEED_HIGH (3 << 6) +PAD_CTL_DSE_DISABLE (0 << 3) +PAD_CTL_DSE_240ohm (1 << 3) +PAD_CTL_DSE_120ohm (2 << 3) +PAD_CTL_DSE_80ohm (3 << 3) +PAD_CTL_DSE_60ohm (4 << 3) +PAD_CTL_DSE_48ohm (5 << 3) +PAD_CTL_DSE_40ohm (6 << 3) +PAD_CTL_DSE_34ohm (7 << 3) +PAD_CTL_SRE_FAST (1 << 0) +PAD_CTL_SRE_SLOW (0 << 0) + +Refer to imx6dl-pinfunc.h in device tree source folder for all available +imx6dl PIN_FUNC_ID. diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt index a4119f6422d9..546610cf2ae7 100644 --- a/Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt @@ -34,1597 +34,5 @@ PAD_CTL_DSE_34ohm (7 << 3) PAD_CTL_SRE_FAST (1 << 0) PAD_CTL_SRE_SLOW (0 << 0) -See below for available PIN_FUNC_ID for imx6q: -MX6Q_PAD_SD2_DAT1__USDHC2_DAT1 0 -MX6Q_PAD_SD2_DAT1__ECSPI5_SS0 1 -MX6Q_PAD_SD2_DAT1__WEIM_WEIM_CS_2 2 -MX6Q_PAD_SD2_DAT1__AUDMUX_AUD4_TXFS 3 -MX6Q_PAD_SD2_DAT1__KPP_COL_7 4 -MX6Q_PAD_SD2_DAT1__GPIO_1_14 5 -MX6Q_PAD_SD2_DAT1__CCM_WAIT 6 -MX6Q_PAD_SD2_DAT1__ANATOP_TESTO_0 7 -MX6Q_PAD_SD2_DAT2__USDHC2_DAT2 8 -MX6Q_PAD_SD2_DAT2__ECSPI5_SS1 9 -MX6Q_PAD_SD2_DAT2__WEIM_WEIM_CS_3 10 -MX6Q_PAD_SD2_DAT2__AUDMUX_AUD4_TXD 11 -MX6Q_PAD_SD2_DAT2__KPP_ROW_6 12 -MX6Q_PAD_SD2_DAT2__GPIO_1_13 13 -MX6Q_PAD_SD2_DAT2__CCM_STOP 14 -MX6Q_PAD_SD2_DAT2__ANATOP_TESTO_1 15 -MX6Q_PAD_SD2_DAT0__USDHC2_DAT0 16 -MX6Q_PAD_SD2_DAT0__ECSPI5_MISO 17 -MX6Q_PAD_SD2_DAT0__AUDMUX_AUD4_RXD 18 -MX6Q_PAD_SD2_DAT0__KPP_ROW_7 19 -MX6Q_PAD_SD2_DAT0__GPIO_1_15 20 -MX6Q_PAD_SD2_DAT0__DCIC2_DCIC_OUT 21 -MX6Q_PAD_SD2_DAT0__TESTO_2 22 -MX6Q_PAD_RGMII_TXC__USBOH3_H2_DATA 23 -MX6Q_PAD_RGMII_TXC__ENET_RGMII_TXC 24 -MX6Q_PAD_RGMII_TXC__SPDIF_SPDIF_EXTCLK 25 -MX6Q_PAD_RGMII_TXC__GPIO_6_19 26 -MX6Q_PAD_RGMII_TXC__MIPI_CORE_DPHY_IN_0 27 -MX6Q_PAD_RGMII_TXC__ANATOP_24M_OUT 28 -MX6Q_PAD_RGMII_TD0__MIPI_HSI_CRL_TX_RDY 29 -MX6Q_PAD_RGMII_TD0__ENET_RGMII_TD0 30 -MX6Q_PAD_RGMII_TD0__GPIO_6_20 31 -MX6Q_PAD_RGMII_TD0__MIPI_CORE_DPHY_IN_1 32 -MX6Q_PAD_RGMII_TD1__MIPI_HSI_CRL_RX_FLG 33 -MX6Q_PAD_RGMII_TD1__ENET_RGMII_TD1 34 -MX6Q_PAD_RGMII_TD1__GPIO_6_21 35 -MX6Q_PAD_RGMII_TD1__MIPI_CORE_DPHY_IN_2 36 -MX6Q_PAD_RGMII_TD1__CCM_PLL3_BYP 37 -MX6Q_PAD_RGMII_TD2__MIPI_HSI_CRL_RX_DTA 38 -MX6Q_PAD_RGMII_TD2__ENET_RGMII_TD2 39 -MX6Q_PAD_RGMII_TD2__GPIO_6_22 40 -MX6Q_PAD_RGMII_TD2__MIPI_CORE_DPHY_IN_3 41 -MX6Q_PAD_RGMII_TD2__CCM_PLL2_BYP 42 -MX6Q_PAD_RGMII_TD3__MIPI_HSI_CRL_RX_WAK 43 -MX6Q_PAD_RGMII_TD3__ENET_RGMII_TD3 44 -MX6Q_PAD_RGMII_TD3__GPIO_6_23 45 -MX6Q_PAD_RGMII_TD3__MIPI_CORE_DPHY_IN_4 46 -MX6Q_PAD_RGMII_RX_CTL__USBOH3_H3_DATA 47 -MX6Q_PAD_RGMII_RX_CTL__RGMII_RX_CTL 48 -MX6Q_PAD_RGMII_RX_CTL__GPIO_6_24 49 -MX6Q_PAD_RGMII_RX_CTL__MIPI_DPHY_IN_5 50 -MX6Q_PAD_RGMII_RD0__MIPI_HSI_CRL_RX_RDY 51 -MX6Q_PAD_RGMII_RD0__ENET_RGMII_RD0 52 -MX6Q_PAD_RGMII_RD0__GPIO_6_25 53 -MX6Q_PAD_RGMII_RD0__MIPI_CORE_DPHY_IN_6 54 -MX6Q_PAD_RGMII_TX_CTL__USBOH3_H2_STROBE 55 -MX6Q_PAD_RGMII_TX_CTL__RGMII_TX_CTL 56 -MX6Q_PAD_RGMII_TX_CTL__GPIO_6_26 57 -MX6Q_PAD_RGMII_TX_CTL__CORE_DPHY_IN_7 58 -MX6Q_PAD_RGMII_TX_CTL__ANATOP_REF_OUT 59 -MX6Q_PAD_RGMII_RD1__MIPI_HSI_CTRL_TX_FL 60 -MX6Q_PAD_RGMII_RD1__ENET_RGMII_RD1 61 -MX6Q_PAD_RGMII_RD1__GPIO_6_27 62 -MX6Q_PAD_RGMII_RD1__CORE_DPHY_TEST_IN_8 63 -MX6Q_PAD_RGMII_RD1__SJC_FAIL 64 -MX6Q_PAD_RGMII_RD2__MIPI_HSI_CRL_TX_DTA 65 -MX6Q_PAD_RGMII_RD2__ENET_RGMII_RD2 66 -MX6Q_PAD_RGMII_RD2__GPIO_6_28 67 -MX6Q_PAD_RGMII_RD2__MIPI_CORE_DPHY_IN_9 68 -MX6Q_PAD_RGMII_RD3__MIPI_HSI_CRL_TX_WAK 69 -MX6Q_PAD_RGMII_RD3__ENET_RGMII_RD3 70 -MX6Q_PAD_RGMII_RD3__GPIO_6_29 71 -MX6Q_PAD_RGMII_RD3__MIPI_CORE_DPHY_IN10 72 -MX6Q_PAD_RGMII_RXC__USBOH3_H3_STROBE 73 -MX6Q_PAD_RGMII_RXC__ENET_RGMII_RXC 74 -MX6Q_PAD_RGMII_RXC__GPIO_6_30 75 -MX6Q_PAD_RGMII_RXC__MIPI_CORE_DPHY_IN11 76 -MX6Q_PAD_EIM_A25__WEIM_WEIM_A_25 77 -MX6Q_PAD_EIM_A25__ECSPI4_SS1 78 -MX6Q_PAD_EIM_A25__ECSPI2_RDY 79 -MX6Q_PAD_EIM_A25__IPU1_DI1_PIN12 80 -MX6Q_PAD_EIM_A25__IPU1_DI0_D1_CS 81 -MX6Q_PAD_EIM_A25__GPIO_5_2 82 -MX6Q_PAD_EIM_A25__HDMI_TX_CEC_LINE 83 -MX6Q_PAD_EIM_A25__PL301_PER1_HBURST_0 84 -MX6Q_PAD_EIM_EB2__WEIM_WEIM_EB_2 85 -MX6Q_PAD_EIM_EB2__ECSPI1_SS0 86 -MX6Q_PAD_EIM_EB2__CCM_DI1_EXT_CLK 87 -MX6Q_PAD_EIM_EB2__IPU2_CSI1_D_19 88 -MX6Q_PAD_EIM_EB2__HDMI_TX_DDC_SCL 89 -MX6Q_PAD_EIM_EB2__GPIO_2_30 90 -MX6Q_PAD_EIM_EB2__I2C2_SCL 91 -MX6Q_PAD_EIM_EB2__SRC_BT_CFG_30 92 -MX6Q_PAD_EIM_D16__WEIM_WEIM_D_16 93 -MX6Q_PAD_EIM_D16__ECSPI1_SCLK 94 -MX6Q_PAD_EIM_D16__IPU1_DI0_PIN5 95 -MX6Q_PAD_EIM_D16__IPU2_CSI1_D_18 96 -MX6Q_PAD_EIM_D16__HDMI_TX_DDC_SDA 97 -MX6Q_PAD_EIM_D16__GPIO_3_16 98 -MX6Q_PAD_EIM_D16__I2C2_SDA 99 -MX6Q_PAD_EIM_D17__WEIM_WEIM_D_17 100 -MX6Q_PAD_EIM_D17__ECSPI1_MISO 101 -MX6Q_PAD_EIM_D17__IPU1_DI0_PIN6 102 -MX6Q_PAD_EIM_D17__IPU2_CSI1_PIXCLK 103 -MX6Q_PAD_EIM_D17__DCIC1_DCIC_OUT 104 -MX6Q_PAD_EIM_D17__GPIO_3_17 105 -MX6Q_PAD_EIM_D17__I2C3_SCL 106 -MX6Q_PAD_EIM_D17__PL301_PER1_HBURST_1 107 -MX6Q_PAD_EIM_D18__WEIM_WEIM_D_18 108 -MX6Q_PAD_EIM_D18__ECSPI1_MOSI 109 -MX6Q_PAD_EIM_D18__IPU1_DI0_PIN7 110 -MX6Q_PAD_EIM_D18__IPU2_CSI1_D_17 111 -MX6Q_PAD_EIM_D18__IPU1_DI1_D0_CS 112 -MX6Q_PAD_EIM_D18__GPIO_3_18 113 -MX6Q_PAD_EIM_D18__I2C3_SDA 114 -MX6Q_PAD_EIM_D18__PL301_PER1_HBURST_2 115 -MX6Q_PAD_EIM_D19__WEIM_WEIM_D_19 116 -MX6Q_PAD_EIM_D19__ECSPI1_SS1 117 -MX6Q_PAD_EIM_D19__IPU1_DI0_PIN8 118 -MX6Q_PAD_EIM_D19__IPU2_CSI1_D_16 119 -MX6Q_PAD_EIM_D19__UART1_CTS 120 -MX6Q_PAD_EIM_D19__GPIO_3_19 121 -MX6Q_PAD_EIM_D19__EPIT1_EPITO 122 -MX6Q_PAD_EIM_D19__PL301_PER1_HRESP 123 -MX6Q_PAD_EIM_D20__WEIM_WEIM_D_20 124 -MX6Q_PAD_EIM_D20__ECSPI4_SS0 125 -MX6Q_PAD_EIM_D20__IPU1_DI0_PIN16 126 -MX6Q_PAD_EIM_D20__IPU2_CSI1_D_15 127 -MX6Q_PAD_EIM_D20__UART1_RTS 128 -MX6Q_PAD_EIM_D20__GPIO_3_20 129 -MX6Q_PAD_EIM_D20__EPIT2_EPITO 130 -MX6Q_PAD_EIM_D21__WEIM_WEIM_D_21 131 -MX6Q_PAD_EIM_D21__ECSPI4_SCLK 132 -MX6Q_PAD_EIM_D21__IPU1_DI0_PIN17 133 -MX6Q_PAD_EIM_D21__IPU2_CSI1_D_11 134 -MX6Q_PAD_EIM_D21__USBOH3_USBOTG_OC 135 -MX6Q_PAD_EIM_D21__GPIO_3_21 136 -MX6Q_PAD_EIM_D21__I2C1_SCL 137 -MX6Q_PAD_EIM_D21__SPDIF_IN1 138 -MX6Q_PAD_EIM_D22__WEIM_WEIM_D_22 139 -MX6Q_PAD_EIM_D22__ECSPI4_MISO 140 -MX6Q_PAD_EIM_D22__IPU1_DI0_PIN1 141 -MX6Q_PAD_EIM_D22__IPU2_CSI1_D_10 142 -MX6Q_PAD_EIM_D22__USBOH3_USBOTG_PWR 143 -MX6Q_PAD_EIM_D22__GPIO_3_22 144 -MX6Q_PAD_EIM_D22__SPDIF_OUT1 145 -MX6Q_PAD_EIM_D22__PL301_PER1_HWRITE 146 -MX6Q_PAD_EIM_D23__WEIM_WEIM_D_23 147 -MX6Q_PAD_EIM_D23__IPU1_DI0_D0_CS 148 -MX6Q_PAD_EIM_D23__UART3_CTS 149 -MX6Q_PAD_EIM_D23__UART1_DCD 150 -MX6Q_PAD_EIM_D23__IPU2_CSI1_DATA_EN 151 -MX6Q_PAD_EIM_D23__GPIO_3_23 152 -MX6Q_PAD_EIM_D23__IPU1_DI1_PIN2 153 -MX6Q_PAD_EIM_D23__IPU1_DI1_PIN14 154 -MX6Q_PAD_EIM_EB3__WEIM_WEIM_EB_3 155 -MX6Q_PAD_EIM_EB3__ECSPI4_RDY 156 -MX6Q_PAD_EIM_EB3__UART3_RTS 157 -MX6Q_PAD_EIM_EB3__UART1_RI 158 -MX6Q_PAD_EIM_EB3__IPU2_CSI1_HSYNC 159 -MX6Q_PAD_EIM_EB3__GPIO_2_31 160 -MX6Q_PAD_EIM_EB3__IPU1_DI1_PIN3 161 -MX6Q_PAD_EIM_EB3__SRC_BT_CFG_31 162 -MX6Q_PAD_EIM_D24__WEIM_WEIM_D_24 163 -MX6Q_PAD_EIM_D24__ECSPI4_SS2 164 -MX6Q_PAD_EIM_D24__UART3_TXD 165 -MX6Q_PAD_EIM_D24__ECSPI1_SS2 166 -MX6Q_PAD_EIM_D24__ECSPI2_SS2 167 -MX6Q_PAD_EIM_D24__GPIO_3_24 168 -MX6Q_PAD_EIM_D24__AUDMUX_AUD5_RXFS 169 -MX6Q_PAD_EIM_D24__UART1_DTR 170 -MX6Q_PAD_EIM_D25__WEIM_WEIM_D_25 171 -MX6Q_PAD_EIM_D25__ECSPI4_SS3 172 -MX6Q_PAD_EIM_D25__UART3_RXD 173 -MX6Q_PAD_EIM_D25__ECSPI1_SS3 174 -MX6Q_PAD_EIM_D25__ECSPI2_SS3 175 -MX6Q_PAD_EIM_D25__GPIO_3_25 176 -MX6Q_PAD_EIM_D25__AUDMUX_AUD5_RXC 177 -MX6Q_PAD_EIM_D25__UART1_DSR 178 -MX6Q_PAD_EIM_D26__WEIM_WEIM_D_26 179 -MX6Q_PAD_EIM_D26__IPU1_DI1_PIN11 180 -MX6Q_PAD_EIM_D26__IPU1_CSI0_D_1 181 -MX6Q_PAD_EIM_D26__IPU2_CSI1_D_14 182 -MX6Q_PAD_EIM_D26__UART2_TXD 183 -MX6Q_PAD_EIM_D26__GPIO_3_26 184 -MX6Q_PAD_EIM_D26__IPU1_SISG_2 185 -MX6Q_PAD_EIM_D26__IPU1_DISP1_DAT_22 186 -MX6Q_PAD_EIM_D27__WEIM_WEIM_D_27 187 -MX6Q_PAD_EIM_D27__IPU1_DI1_PIN13 188 -MX6Q_PAD_EIM_D27__IPU1_CSI0_D_0 189 -MX6Q_PAD_EIM_D27__IPU2_CSI1_D_13 190 -MX6Q_PAD_EIM_D27__UART2_RXD 191 -MX6Q_PAD_EIM_D27__GPIO_3_27 192 -MX6Q_PAD_EIM_D27__IPU1_SISG_3 193 -MX6Q_PAD_EIM_D27__IPU1_DISP1_DAT_23 194 -MX6Q_PAD_EIM_D28__WEIM_WEIM_D_28 195 -MX6Q_PAD_EIM_D28__I2C1_SDA 196 -MX6Q_PAD_EIM_D28__ECSPI4_MOSI 197 -MX6Q_PAD_EIM_D28__IPU2_CSI1_D_12 198 -MX6Q_PAD_EIM_D28__UART2_CTS 199 -MX6Q_PAD_EIM_D28__GPIO_3_28 200 -MX6Q_PAD_EIM_D28__IPU1_EXT_TRIG 201 -MX6Q_PAD_EIM_D28__IPU1_DI0_PIN13 202 -MX6Q_PAD_EIM_D29__WEIM_WEIM_D_29 203 -MX6Q_PAD_EIM_D29__IPU1_DI1_PIN15 204 -MX6Q_PAD_EIM_D29__ECSPI4_SS0 205 -MX6Q_PAD_EIM_D29__UART2_RTS 206 -MX6Q_PAD_EIM_D29__GPIO_3_29 207 -MX6Q_PAD_EIM_D29__IPU2_CSI1_VSYNC 208 -MX6Q_PAD_EIM_D29__IPU1_DI0_PIN14 209 -MX6Q_PAD_EIM_D30__WEIM_WEIM_D_30 210 -MX6Q_PAD_EIM_D30__IPU1_DISP1_DAT_21 211 -MX6Q_PAD_EIM_D30__IPU1_DI0_PIN11 212 -MX6Q_PAD_EIM_D30__IPU1_CSI0_D_3 213 -MX6Q_PAD_EIM_D30__UART3_CTS 214 -MX6Q_PAD_EIM_D30__GPIO_3_30 215 -MX6Q_PAD_EIM_D30__USBOH3_USBH1_OC 216 -MX6Q_PAD_EIM_D30__PL301_PER1_HPROT_0 217 -MX6Q_PAD_EIM_D31__WEIM_WEIM_D_31 218 -MX6Q_PAD_EIM_D31__IPU1_DISP1_DAT_20 219 -MX6Q_PAD_EIM_D31__IPU1_DI0_PIN12 220 -MX6Q_PAD_EIM_D31__IPU1_CSI0_D_2 221 -MX6Q_PAD_EIM_D31__UART3_RTS 222 -MX6Q_PAD_EIM_D31__GPIO_3_31 223 -MX6Q_PAD_EIM_D31__USBOH3_USBH1_PWR 224 -MX6Q_PAD_EIM_D31__PL301_PER1_HPROT_1 225 -MX6Q_PAD_EIM_A24__WEIM_WEIM_A_24 226 -MX6Q_PAD_EIM_A24__IPU1_DISP1_DAT_19 227 -MX6Q_PAD_EIM_A24__IPU2_CSI1_D_19 228 -MX6Q_PAD_EIM_A24__IPU2_SISG_2 229 -MX6Q_PAD_EIM_A24__IPU1_SISG_2 230 -MX6Q_PAD_EIM_A24__GPIO_5_4 231 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-MX6Q_PAD_SD4_DAT1__IPU1_IPU_DIAG_BUS_9 1475 -MX6Q_PAD_SD4_DAT1__IPU2_IPU_DIAG_BUS_9 1476 -MX6Q_PAD_SD4_DAT2__RAWNAND_D10 1477 -MX6Q_PAD_SD4_DAT2__USDHC4_DAT2 1478 -MX6Q_PAD_SD4_DAT2__PWM4_PWMO 1479 -MX6Q_PAD_SD4_DAT2__USBOH3_UH2_DFD_OUT26 1480 -MX6Q_PAD_SD4_DAT2__USBOH3_UH3_DFD_OUT26 1481 -MX6Q_PAD_SD4_DAT2__GPIO_2_10 1482 -MX6Q_PAD_SD4_DAT2__IPU1_IPU_DIAG_BUS_10 1483 -MX6Q_PAD_SD4_DAT2__IPU2_IPU_DIAG_BUS_10 1484 -MX6Q_PAD_SD4_DAT3__RAWNAND_D11 1485 -MX6Q_PAD_SD4_DAT3__USDHC4_DAT3 1486 -MX6Q_PAD_SD4_DAT3__USBOH3_UH2_DFD_OUT27 1487 -MX6Q_PAD_SD4_DAT3__USBOH3_UH3_DFD_OUT27 1488 -MX6Q_PAD_SD4_DAT3__GPIO_2_11 1489 -MX6Q_PAD_SD4_DAT3__IPU1_IPU_DIAG_BUS_11 1490 -MX6Q_PAD_SD4_DAT3__IPU2_IPU_DIAG_BUS_11 1491 -MX6Q_PAD_SD4_DAT4__RAWNAND_D12 1492 -MX6Q_PAD_SD4_DAT4__USDHC4_DAT4 1493 -MX6Q_PAD_SD4_DAT4__UART2_RXD 1494 -MX6Q_PAD_SD4_DAT4__USBOH3_UH2_DFD_OUT28 1495 -MX6Q_PAD_SD4_DAT4__USBOH3_UH3_DFD_OUT28 1496 -MX6Q_PAD_SD4_DAT4__GPIO_2_12 1497 -MX6Q_PAD_SD4_DAT4__IPU1_IPU_DIAG_BUS_12 1498 -MX6Q_PAD_SD4_DAT4__IPU2_IPU_DIAG_BUS_12 1499 -MX6Q_PAD_SD4_DAT5__RAWNAND_D13 1500 -MX6Q_PAD_SD4_DAT5__USDHC4_DAT5 1501 -MX6Q_PAD_SD4_DAT5__UART2_RTS 1502 -MX6Q_PAD_SD4_DAT5__USBOH3_UH2_DFD_OUT29 1503 -MX6Q_PAD_SD4_DAT5__USBOH3_UH3_DFD_OUT29 1504 -MX6Q_PAD_SD4_DAT5__GPIO_2_13 1505 -MX6Q_PAD_SD4_DAT5__IPU1_IPU_DIAG_BUS_13 1506 -MX6Q_PAD_SD4_DAT5__IPU2_IPU_DIAG_BUS_13 1507 -MX6Q_PAD_SD4_DAT6__RAWNAND_D14 1508 -MX6Q_PAD_SD4_DAT6__USDHC4_DAT6 1509 -MX6Q_PAD_SD4_DAT6__UART2_CTS 1510 -MX6Q_PAD_SD4_DAT6__USBOH3_UH2_DFD_OUT30 1511 -MX6Q_PAD_SD4_DAT6__USBOH3_UH3_DFD_OUT30 1512 -MX6Q_PAD_SD4_DAT6__GPIO_2_14 1513 -MX6Q_PAD_SD4_DAT6__IPU1_IPU_DIAG_BUS_14 1514 -MX6Q_PAD_SD4_DAT6__IPU2_IPU_DIAG_BUS_14 1515 -MX6Q_PAD_SD4_DAT7__RAWNAND_D15 1516 -MX6Q_PAD_SD4_DAT7__USDHC4_DAT7 1517 -MX6Q_PAD_SD4_DAT7__UART2_TXD 1518 -MX6Q_PAD_SD4_DAT7__USBOH3_UH2_DFD_OUT31 1519 -MX6Q_PAD_SD4_DAT7__USBOH3_UH3_DFD_OUT31 1520 -MX6Q_PAD_SD4_DAT7__GPIO_2_15 1521 -MX6Q_PAD_SD4_DAT7__IPU1_IPU_DIAG_BUS_15 1522 -MX6Q_PAD_SD4_DAT7__IPU2_IPU_DIAG_BUS_15 1523 -MX6Q_PAD_SD1_DAT1__USDHC1_DAT1 1524 -MX6Q_PAD_SD1_DAT1__ECSPI5_SS0 1525 -MX6Q_PAD_SD1_DAT1__PWM3_PWMO 1526 -MX6Q_PAD_SD1_DAT1__GPT_CAPIN2 1527 -MX6Q_PAD_SD1_DAT1__PCIE_CTRL_MUX_7 1528 -MX6Q_PAD_SD1_DAT1__GPIO_1_17 1529 -MX6Q_PAD_SD1_DAT1__HDMI_TX_OPHYDTB_0 1530 -MX6Q_PAD_SD1_DAT1__ANATOP_TESTO_8 1531 -MX6Q_PAD_SD1_DAT0__USDHC1_DAT0 1532 -MX6Q_PAD_SD1_DAT0__ECSPI5_MISO 1533 -MX6Q_PAD_SD1_DAT0__CAAM_WRAP_RNG_OSCOBS 1534 -MX6Q_PAD_SD1_DAT0__GPT_CAPIN1 1535 -MX6Q_PAD_SD1_DAT0__PCIE_CTRL_MUX_8 1536 -MX6Q_PAD_SD1_DAT0__GPIO_1_16 1537 -MX6Q_PAD_SD1_DAT0__HDMI_TX_OPHYDTB_1 1538 -MX6Q_PAD_SD1_DAT0__ANATOP_TESTO_7 1539 -MX6Q_PAD_SD1_DAT3__USDHC1_DAT3 1540 -MX6Q_PAD_SD1_DAT3__ECSPI5_SS2 1541 -MX6Q_PAD_SD1_DAT3__GPT_CMPOUT3 1542 -MX6Q_PAD_SD1_DAT3__PWM1_PWMO 1543 -MX6Q_PAD_SD1_DAT3__WDOG2_WDOG_B 1544 -MX6Q_PAD_SD1_DAT3__GPIO_1_21 1545 -MX6Q_PAD_SD1_DAT3__WDOG2_WDOG_RST_B_DEB 1546 -MX6Q_PAD_SD1_DAT3__ANATOP_TESTO_6 1547 -MX6Q_PAD_SD1_CMD__USDHC1_CMD 1548 -MX6Q_PAD_SD1_CMD__ECSPI5_MOSI 1549 -MX6Q_PAD_SD1_CMD__PWM4_PWMO 1550 -MX6Q_PAD_SD1_CMD__GPT_CMPOUT1 1551 -MX6Q_PAD_SD1_CMD__GPIO_1_18 1552 -MX6Q_PAD_SD1_CMD__ANATOP_TESTO_5 1553 -MX6Q_PAD_SD1_DAT2__USDHC1_DAT2 1554 -MX6Q_PAD_SD1_DAT2__ECSPI5_SS1 1555 -MX6Q_PAD_SD1_DAT2__GPT_CMPOUT2 1556 -MX6Q_PAD_SD1_DAT2__PWM2_PWMO 1557 -MX6Q_PAD_SD1_DAT2__WDOG1_WDOG_B 1558 -MX6Q_PAD_SD1_DAT2__GPIO_1_19 1559 -MX6Q_PAD_SD1_DAT2__WDOG1_WDOG_RST_B_DEB 1560 -MX6Q_PAD_SD1_DAT2__ANATOP_TESTO_4 1561 -MX6Q_PAD_SD1_CLK__USDHC1_CLK 1562 -MX6Q_PAD_SD1_CLK__ECSPI5_SCLK 1563 -MX6Q_PAD_SD1_CLK__OSC32K_32K_OUT 1564 -MX6Q_PAD_SD1_CLK__GPT_CLKIN 1565 -MX6Q_PAD_SD1_CLK__GPIO_1_20 1566 -MX6Q_PAD_SD1_CLK__PHY_DTB_0 1567 -MX6Q_PAD_SD1_CLK__SATA_PHY_DTB_0 1568 -MX6Q_PAD_SD2_CLK__USDHC2_CLK 1569 -MX6Q_PAD_SD2_CLK__ECSPI5_SCLK 1570 -MX6Q_PAD_SD2_CLK__KPP_COL_5 1571 -MX6Q_PAD_SD2_CLK__AUDMUX_AUD4_RXFS 1572 -MX6Q_PAD_SD2_CLK__PCIE_CTRL_MUX_9 1573 -MX6Q_PAD_SD2_CLK__GPIO_1_10 1574 -MX6Q_PAD_SD2_CLK__PHY_DTB_1 1575 -MX6Q_PAD_SD2_CLK__SATA_PHY_DTB_1 1576 -MX6Q_PAD_SD2_CMD__USDHC2_CMD 1577 -MX6Q_PAD_SD2_CMD__ECSPI5_MOSI 1578 -MX6Q_PAD_SD2_CMD__KPP_ROW_5 1579 -MX6Q_PAD_SD2_CMD__AUDMUX_AUD4_RXC 1580 -MX6Q_PAD_SD2_CMD__PCIE_CTRL_MUX_10 1581 -MX6Q_PAD_SD2_CMD__GPIO_1_11 1582 -MX6Q_PAD_SD2_DAT3__USDHC2_DAT3 1583 -MX6Q_PAD_SD2_DAT3__ECSPI5_SS3 1584 -MX6Q_PAD_SD2_DAT3__KPP_COL_6 1585 -MX6Q_PAD_SD2_DAT3__AUDMUX_AUD4_TXC 1586 -MX6Q_PAD_SD2_DAT3__PCIE_CTRL_MUX_11 1587 -MX6Q_PAD_SD2_DAT3__GPIO_1_12 1588 -MX6Q_PAD_SD2_DAT3__SJC_DONE 1589 -MX6Q_PAD_SD2_DAT3__ANATOP_TESTO_3 1590 -MX6Q_PAD_ENET_RX_ER__ANATOP_USBOTG_ID 1591 -MX6Q_PAD_GPIO_1__ANATOP_USBOTG_ID 1592 +Refer to imx6q-pinfunc.h in device tree source folder for all available +imx6q PIN_FUNC_ID. diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx6sl-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx6sl-pinctrl.txt new file mode 100644 index 000000000000..e5f6d1f065a4 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx6sl-pinctrl.txt @@ -0,0 +1,39 @@ +* Freescale IMX6 SoloLite IOMUX Controller + +Please refer to fsl,imx-pinctrl.txt in this directory for common binding part +and usage. + +Required properties: +- compatible: "fsl,imx6sl-iomuxc" +- fsl,pins: two integers array, represents a group of pins mux and config + setting. The format is fsl,pins = <PIN_FUNC_ID CONFIG>, PIN_FUNC_ID is a + pin working on a specific function, CONFIG is the pad setting value like + pull-up for this pin. Please refer to imx6sl datasheet for the valid pad + config settings. + +CONFIG bits definition: +PAD_CTL_LVE (1 << 22) +PAD_CTL_HYS (1 << 16) +PAD_CTL_PUS_100K_DOWN (0 << 14) +PAD_CTL_PUS_47K_UP (1 << 14) +PAD_CTL_PUS_100K_UP (2 << 14) +PAD_CTL_PUS_22K_UP (3 << 14) +PAD_CTL_PUE (1 << 13) +PAD_CTL_PKE (1 << 12) +PAD_CTL_ODE (1 << 11) +PAD_CTL_SPEED_LOW (1 << 6) +PAD_CTL_SPEED_MED (2 << 6) +PAD_CTL_SPEED_HIGH (3 << 6) +PAD_CTL_DSE_DISABLE (0 << 3) +PAD_CTL_DSE_240ohm (1 << 3) +PAD_CTL_DSE_120ohm (2 << 3) +PAD_CTL_DSE_80ohm (3 << 3) +PAD_CTL_DSE_60ohm (4 << 3) +PAD_CTL_DSE_48ohm (5 << 3) +PAD_CTL_DSE_40ohm (6 << 3) +PAD_CTL_DSE_34ohm (7 << 3) +PAD_CTL_SRE_FAST (1 << 0) +PAD_CTL_SRE_SLOW (0 << 0) + +Refer to imx6sl-pinfunc.h in device tree source folder for all available +imx6sl PIN_FUNC_ID. diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt index 2c81e45f1374..08f0c3d01575 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt @@ -1,7 +1,9 @@ One-register-per-pin type device tree based pinctrl driver Required properties: -- compatible : "pinctrl-single" +- compatible : "pinctrl-single" or "pinconf-single". + "pinctrl-single" means that pinconf isn't supported. + "pinconf-single" means that generic pinconf is supported. - reg : offset and length of the register set for the mux registers @@ -14,9 +16,61 @@ Optional properties: - pinctrl-single,function-off : function off mode for disabled state if available and same for all registers; if not specified, disabling of pin functions is ignored + - pinctrl-single,bit-per-mux : boolean to indicate that one register controls more than one pin +- pinctrl-single,drive-strength : array of value that are used to configure + drive strength in the pinmux register. They're value of drive strength + current and drive strength mask. + + /* drive strength current, mask */ + pinctrl-single,power-source = <0x30 0xf0>; + +- pinctrl-single,bias-pullup : array of value that are used to configure the + input bias pullup in the pinmux register. + + /* input, enabled pullup bits, disabled pullup bits, mask */ + pinctrl-single,bias-pullup = <0 1 0 1>; + +- pinctrl-single,bias-pulldown : array of value that are used to configure the + input bias pulldown in the pinmux register. + + /* input, enabled pulldown bits, disabled pulldown bits, mask */ + pinctrl-single,bias-pulldown = <2 2 0 2>; + + * Two bits to control input bias pullup and pulldown: User should use + pinctrl-single,bias-pullup & pinctrl-single,bias-pulldown. One bit means + pullup, and the other one bit means pulldown. + * Three bits to control input bias enable, pullup and pulldown. User should + use pinctrl-single,bias-pullup & pinctrl-single,bias-pulldown. Input bias + enable bit should be included in pullup or pulldown bits. + * Although driver could set PIN_CONFIG_BIAS_DISABLE, there's no property as + pinctrl-single,bias-disable. Because pinctrl single driver could implement + it by calling pulldown, pullup disabled. + +- pinctrl-single,input-schmitt : array of value that are used to configure + input schmitt in the pinmux register. In some silicons, there're two input + schmitt value (rising-edge & falling-edge) in the pinmux register. + + /* input schmitt value, mask */ + pinctrl-single,input-schmitt = <0x30 0x70>; + +- pinctrl-single,input-schmitt-enable : array of value that are used to + configure input schmitt enable or disable in the pinmux register. + + /* input, enable bits, disable bits, mask */ + pinctrl-single,input-schmitt-enable = <0x30 0x40 0 0x70>; + +- pinctrl-single,gpio-range : list of value that are used to configure a GPIO + range. They're value of subnode phandle, pin base in pinctrl device, pin + number in this range, GPIO function value of this GPIO range. + The number of parameters is depend on #pinctrl-single,gpio-range-cells + property. + + /* pin base, nr pins & gpio function */ + pinctrl-single,gpio-range = <&range 0 3 0 &range 3 9 1>; + This driver assumes that there is only one register for each pin (unless the pinctrl-single,bit-per-mux is set), and uses the common pinctrl bindings as specified in the pinctrl-bindings.txt document in this directory. @@ -42,6 +96,20 @@ Where 0xdc is the offset from the pinctrl register base address for the device pinctrl register, 0x18 is the desired value, and 0xff is the sub mask to be used when applying this change to the register. + +Optional sub-node: In case some pins could be configured as GPIO in the pinmux +register, those pins could be defined as a GPIO range. This sub-node is required +by pinctrl-single,gpio-range property. + +Required properties in sub-node: +- #pinctrl-single,gpio-range-cells : the number of parameters after phandle in + pinctrl-single,gpio-range property. + + range: gpio-range { + #pinctrl-single,gpio-range-cells = <3>; + }; + + Example: /* SoC common file */ @@ -58,7 +126,7 @@ pmx_core: pinmux@4a100040 { /* second controller instance for pins in wkup domain */ pmx_wkup: pinmux@4a31e040 { - compatible = "pinctrl-single; + compatible = "pinctrl-single"; reg = <0x4a31e040 0x0038>; #address-cells = <1>; #size-cells = <0>; @@ -76,6 +144,29 @@ control_devconf0: pinmux@48002274 { pinctrl-single,function-mask = <0x5F>; }; +/* third controller instance for pins in gpio domain */ +pmx_gpio: pinmux@d401e000 { + compatible = "pinconf-single"; + reg = <0xd401e000 0x0330>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + pinctrl-single,register-width = <32>; + pinctrl-single,function-mask = <7>; + + /* sparse GPIO range could be supported */ + pinctrl-single,gpio-range = <&range 0 3 0 &range 3 9 1 + &range 12 1 0 &range 13 29 1 + &range 43 1 0 &range 44 49 1 + &range 94 1 1 &range 96 2 1>; + + range: gpio-range { + #pinctrl-single,gpio-range-cells = <3>; + }; +}; + + /* board specific .dts file */ &pmx_core { @@ -96,6 +187,15 @@ control_devconf0: pinmux@48002274 { >; }; + uart0_pins: pinmux_uart0_pins { + pinctrl-single,pins = < + 0x208 0 /* UART0_RXD (IOCFG138) */ + 0x20c 0 /* UART0_TXD (IOCFG139) */ + >; + pinctrl-single,bias-pulldown = <0 2 2>; + pinctrl-single,bias-pullup = <0 1 1>; + }; + /* map uart2 pins */ uart2_pins: pinmux_uart2_pins { pinctrl-single,pins = < @@ -122,6 +222,11 @@ control_devconf0: pinmux@48002274 { }; +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; +}; + &uart2 { pinctrl-names = "default"; pinctrl-0 = <&uart2_pins>; diff --git a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt index 4598a47aa0cd..c70fca146e91 100644 --- a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt @@ -7,6 +7,7 @@ on-chip controllers onto these pads. Required Properties: - compatible: should be one of the following. + - "samsung,s3c64xx-pinctrl": for S3C64xx-compatible pin-controller, - "samsung,exynos4210-pinctrl": for Exynos4210 compatible pin-controller. - "samsung,exynos4x12-pinctrl": for Exynos4x12 compatible pin-controller. - "samsung,exynos5250-pinctrl": for Exynos5250 compatible pin-controller. @@ -105,6 +106,8 @@ B. External Wakeup Interrupts: For supporting external wakeup interrupts, a - compatible: identifies the type of the external wakeup interrupt controller The possible values are: + - samsung,s3c64xx-wakeup-eint: represents wakeup interrupt controller + found on Samsung S3C64xx SoCs, - samsung,exynos4210-wakeup-eint: represents wakeup interrupt controller found on Samsung Exynos4210 SoC. - interrupt-parent: phandle of the interrupt parent to which the external diff --git a/Documentation/devicetree/bindings/power_supply/power_supply.txt b/Documentation/devicetree/bindings/power_supply/power_supply.txt new file mode 100644 index 000000000000..8391bfa0edac --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/power_supply.txt @@ -0,0 +1,23 @@ +Power Supply Core Support + +Optional Properties: + - power-supplies : This property is added to a supply in order to list the + devices which supply it power, referenced by their phandles. + +Example: + + usb-charger: power@e { + compatible = "some,usb-charger"; + ... + }; + + ac-charger: power@c { + compatible = "some,ac-charger"; + ... + }; + + battery@b { + compatible = "some,battery"; + ... + power-supplies = <&usb-charger>, <&ac-charger>; + }; diff --git a/Documentation/devicetree/bindings/power_supply/qnap-poweroff.txt b/Documentation/devicetree/bindings/power_supply/qnap-poweroff.txt index 9a599d27bd75..0347d8350d94 100644 --- a/Documentation/devicetree/bindings/power_supply/qnap-poweroff.txt +++ b/Documentation/devicetree/bindings/power_supply/qnap-poweroff.txt @@ -2,7 +2,7 @@ QNAP NAS devices have a microcontroller controlling the main power supply. This microcontroller is connected to UART1 of the Kirkwood and -Orion5x SoCs. Sending the charactor 'A', at 19200 baud, tells the +Orion5x SoCs. Sending the character 'A', at 19200 baud, tells the microcontroller to turn the power off. This driver adds a handler to pm_power_off which is called to turn the power off. diff --git a/Documentation/devicetree/bindings/power_supply/tps65090.txt b/Documentation/devicetree/bindings/power_supply/tps65090.txt new file mode 100644 index 000000000000..8e5e0d3910df --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/tps65090.txt @@ -0,0 +1,17 @@ +TPS65090 Frontend PMU with Switchmode Charger + +Required Properties: +-compatible: "ti,tps65090-charger" + +Optional Properties: +-ti,enable-low-current-chrg: Enables charging when a low current is detected + while the default logic is to stop charging. + +This node is a subnode of the tps65090 PMIC. + +Example: + + tps65090-charger { + compatible = "ti,tps65090-charger"; + ti,enable-low-current-chrg; + }; diff --git a/Documentation/devicetree/bindings/regulator/max8952.txt b/Documentation/devicetree/bindings/regulator/max8952.txt new file mode 100644 index 000000000000..866fcdd0f4eb --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/max8952.txt @@ -0,0 +1,52 @@ +Maxim MAX8952 voltage regulator + +Required properties: +- compatible: must be equal to "maxim,max8952" +- reg: I2C slave address, usually 0x60 +- max8952,dvs-mode-microvolt: array of 4 integer values defining DVS voltages + in microvolts. All values must be from range <770000, 1400000> +- any required generic properties defined in regulator.txt + +Optional properties: +- max8952,vid-gpios: array of two GPIO pins used for DVS voltage selection +- max8952,en-gpio: GPIO used to control enable status of regulator +- max8952,default-mode: index of default DVS voltage, from <0, 3> range +- max8952,sync-freq: sync frequency, must be one of following values: + - 0: 26 MHz + - 1: 13 MHz + - 2: 19.2 MHz + Defaults to 26 MHz if not specified. +- max8952,ramp-speed: voltage ramp speed, must be one of following values: + - 0: 32mV/us + - 1: 16mV/us + - 2: 8mV/us + - 3: 4mV/us + - 4: 2mV/us + - 5: 1mV/us + - 6: 0.5mV/us + - 7: 0.25mV/us + Defaults to 32mV/us if not specified. +- any available generic properties defined in regulator.txt + +Example: + + vdd_arm_reg: pmic@60 { + compatible = "maxim,max8952"; + reg = <0x60>; + + /* max8952-specific properties */ + max8952,vid-gpios = <&gpx0 3 0>, <&gpx0 4 0>; + max8952,en-gpio = <&gpx0 1 0>; + max8952,default-mode = <0>; + max8952,dvs-mode-microvolt = <1250000>, <1200000>, + <1050000>, <950000>; + max8952,sync-freq = <0>; + max8952,ramp-speed = <0>; + + /* generic regulator properties */ + regulator-name = "vdd_arm"; + regulator-min-microvolt = <770000>; + regulator-max-microvolt = <1400000>; + regulator-always-on; + regulator-boot-on; + }; diff --git a/Documentation/devicetree/bindings/regulator/max8997-regulator.txt b/Documentation/devicetree/bindings/regulator/max8997-regulator.txt index 9fd69a18b0ba..9e5e51d78868 100644 --- a/Documentation/devicetree/bindings/regulator/max8997-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/max8997-regulator.txt @@ -28,7 +28,7 @@ Required properties: safe operating voltage). If either of the 'max8997,pmic-buck[1/2/5]-uses-gpio-dvs' optional - property is specified, then all the eigth voltage values for the + property is specified, then all the eight voltage values for the 'max8997,pmic-buck[1/2/5]-dvs-voltage' should be specified. Optional properties: diff --git a/Documentation/devicetree/bindings/rtc/atmel,at91rm9200-rtc.txt b/Documentation/devicetree/bindings/rtc/atmel,at91rm9200-rtc.txt new file mode 100644 index 000000000000..2a3feabd3b22 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/atmel,at91rm9200-rtc.txt @@ -0,0 +1,15 @@ +Atmel AT91RM9200 Real Time Clock + +Required properties: +- compatible: should be: "atmel,at91rm9200-rtc" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: rtc alarm/event interrupt + +Example: + +rtc@fffffe00 { + compatible = "atmel,at91rm9200-rtc"; + reg = <0xfffffe00 0x100>; + interrupts = <1 4 7>; +}; diff --git a/Documentation/devicetree/bindings/serio/snps-arc_ps2.txt b/Documentation/devicetree/bindings/serio/snps-arc_ps2.txt new file mode 100644 index 000000000000..38c2f21e8044 --- /dev/null +++ b/Documentation/devicetree/bindings/serio/snps-arc_ps2.txt @@ -0,0 +1,16 @@ +* ARC PS/2 driver: PS/2 block used in some ARC FPGA's & nSIM OSCI model + +Required properties: +- compatible : "snps,arc_ps2" +- reg : offset and length (always 0x14) of registers +- interrupts : interrupt +- interrupt-names : name of interrupt, must be "arc_ps2_irq" + +Example: + +serio@c9000400 { + compatible = "snps,arc_ps2"; + reg = <0xc9000400 0x14>; + interrupts = <13>; + interrupt-names = "arc_ps2_irq"; +} diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt b/Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt new file mode 100644 index 000000000000..8bf89c643640 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/brcm,bcm2835-spi.txt @@ -0,0 +1,22 @@ +Broadcom BCM2835 SPI0 controller + +The BCM2835 contains two forms of SPI master controller, one known simply as +SPI0, and the other known as the "Universal SPI Master"; part of the +auxilliary block. This binding applies to the SPI0 controller. + +Required properties: +- compatible: Should be "brcm,bcm2835-spi". +- reg: Should contain register location and length. +- interrupts: Should contain interrupt. +- clocks: The clock feeding the SPI controller. + +Example: + +spi@20204000 { + compatible = "brcm,bcm2835-spi"; + reg = <0x7e204000 0x1000>; + interrupts = <2 22>; + clocks = <&clk_spi>; + #address-cells = <1>; + #size-cells = <0>; +}; diff --git a/Documentation/devicetree/bindings/spi/fsl-spi.txt b/Documentation/devicetree/bindings/spi/fsl-spi.txt index 777abd7399d5..b032dd76e9d2 100644 --- a/Documentation/devicetree/bindings/spi/fsl-spi.txt +++ b/Documentation/devicetree/bindings/spi/fsl-spi.txt @@ -4,7 +4,7 @@ Required properties: - cell-index : QE SPI subblock index. 0: QE subblock SPI1 1: QE subblock SPI2 -- compatible : should be "fsl,spi". +- compatible : should be "fsl,spi" or "aeroflexgaisler,spictrl". - mode : the SPI operation mode, it can be "cpu" or "cpu-qe". - reg : Offset and length of the register set for the device - interrupts : <a b> where a is the interrupt number and b is a @@ -14,6 +14,7 @@ Required properties: controller you have. - interrupt-parent : the phandle for the interrupt controller that services interrupts for this device. +- clock-frequency : input clock frequency to non FSL_SOC cores Optional properties: - gpios : specifies the gpio pins to be used for chipselects. diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra114-spi.txt b/Documentation/devicetree/bindings/spi/nvidia,tegra114-spi.txt new file mode 100644 index 000000000000..91ff771c7e77 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/nvidia,tegra114-spi.txt @@ -0,0 +1,26 @@ +NVIDIA Tegra114 SPI controller. + +Required properties: +- compatible : should be "nvidia,tegra114-spi". +- reg: Should contain SPI registers location and length. +- interrupts: Should contain SPI interrupts. +- nvidia,dma-request-selector : The Tegra DMA controller's phandle and + request selector for this SPI controller. +- This is also require clock named "spi" as per binding document + Documentation/devicetree/bindings/clock/clock-bindings.txt + +Recommended properties: +- spi-max-frequency: Definition as per + Documentation/devicetree/bindings/spi/spi-bus.txt +Example: + +spi@7000d600 { + compatible = "nvidia,tegra114-spi"; + reg = <0x7000d600 0x200>; + interrupts = <0 82 0x04>; + nvidia,dma-request-selector = <&apbdma 16>; + spi-max-frequency = <25000000>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; +}; diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt b/Documentation/devicetree/bindings/spi/spi-samsung.txt index a15ffeddfba4..86aa061f069f 100644 --- a/Documentation/devicetree/bindings/spi/spi-samsung.txt +++ b/Documentation/devicetree/bindings/spi/spi-samsung.txt @@ -31,9 +31,6 @@ Required Board Specific Properties: - #address-cells: should be 1. - #size-cells: should be 0. -- gpios: The gpio specifier for clock, mosi and miso interface lines (in the - order specified). The format of the gpio specifier depends on the gpio - controller. Optional Board Specific Properties: @@ -86,9 +83,8 @@ Example: spi_0: spi@12d20000 { #address-cells = <1>; #size-cells = <0>; - gpios = <&gpa2 4 2 3 0>, - <&gpa2 6 2 3 0>, - <&gpa2 7 2 3 0>; + pinctrl-names = "default"; + pinctrl-0 = <&spi0_bus>; w25q80bw@0 { #address-cells = <1>; diff --git a/Documentation/devicetree/bindings/staging/dwc2.txt b/Documentation/devicetree/bindings/staging/dwc2.txt new file mode 100644 index 000000000000..1a1b7cfa4845 --- /dev/null +++ b/Documentation/devicetree/bindings/staging/dwc2.txt @@ -0,0 +1,15 @@ +Platform DesignWare HS OTG USB 2.0 controller +----------------------------------------------------- + +Required properties: +- compatible : "snps,dwc2" +- reg : Should contain 1 register range (address and length) +- interrupts : Should contain 1 interrupt + +Example: + + usb@101c0000 { + compatible = "ralink,rt3050-usb, snps,dwc2"; + reg = <0x101c0000 40000>; + interrupts = <18>; + }; diff --git a/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt b/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt index 07654f0338b6..8071ac20d4b3 100644 --- a/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt +++ b/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt @@ -26,7 +26,7 @@ Required properties: - crtc: the crtc this display is connected to, see below Optional properties: - interface_pix_fmt: How this display is connected to the - crtc. Currently supported types: "rgb24", "rgb565" + crtc. Currently supported types: "rgb24", "rgb565", "bgr666" - edid: verbatim EDID data block describing attached display. - ddc: phandle describing the i2c bus handling the display data channel diff --git a/Documentation/devicetree/bindings/timer/allwinner,sunxi-timer.txt b/Documentation/devicetree/bindings/timer/allwinner,sun4i-timer.txt index 0c7b64e95a61..48aeb7884ed3 100644 --- a/Documentation/devicetree/bindings/timer/allwinner,sunxi-timer.txt +++ b/Documentation/devicetree/bindings/timer/allwinner,sun4i-timer.txt @@ -2,7 +2,7 @@ Allwinner A1X SoCs Timer Controller Required properties: -- compatible : should be "allwinner,sunxi-timer" +- compatible : should be "allwinner,sun4i-timer" - reg : Specifies base physical address and size of the registers. - interrupts : The interrupt of the first timer - clocks: phandle to the source clock (usually a 24 MHz fixed clock) @@ -10,7 +10,7 @@ Required properties: Example: timer { - compatible = "allwinner,sunxi-timer"; + compatible = "allwinner,sun4i-timer"; reg = <0x01c20c00 0x400>; interrupts = <22>; clocks = <&osc>; diff --git a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt b/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt new file mode 100644 index 000000000000..9809b11f7180 --- /dev/null +++ b/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt @@ -0,0 +1,18 @@ +Freescale i.MX General Purpose Timer (GPT) + +Required properties: + +- compatible : should be "fsl,<soc>-gpt" +- reg : Specifies base physical address and size of the registers. +- interrupts : A list of 4 interrupts; one per timer channel. +- clocks : The clocks provided by the SoC to drive the timer. + +Example: + +gpt1: timer@10003000 { + compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + reg = <0x10003000 0x1000>; + interrupts = <26>; + clocks = <&clks 46>, <&clks 61>; + clock-names = "ipg", "per"; +}; diff --git a/Documentation/devicetree/bindings/tty/serial/of-serial.txt b/Documentation/devicetree/bindings/tty/serial/of-serial.txt index 8f01cb190f25..1928a3e83cd0 100644 --- a/Documentation/devicetree/bindings/tty/serial/of-serial.txt +++ b/Documentation/devicetree/bindings/tty/serial/of-serial.txt @@ -33,6 +33,10 @@ Optional properties: RTAS and should not be registered. - no-loopback-test: set to indicate that the port does not implements loopback test mode +- fifo-size: the fifo size of the UART. +- auto-flow-control: one way to enable automatic flow control support. The + driver is allowed to detect support for the capability even without this + property. Example: diff --git a/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt b/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt index 5778b9c83bd8..1c04a4c9515f 100644 --- a/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt +++ b/Documentation/devicetree/bindings/usb/ci13xxx-imx.txt @@ -11,6 +11,7 @@ Optional properties: that indicate usb controller index - vbus-supply: regulator for vbus - disable-over-current: disable over current detect +- external-vbus-divider: enables off-chip resistor divider for Vbus Examples: usb@02184000 { /* USB OTG */ @@ -20,4 +21,5 @@ usb@02184000 { /* USB OTG */ fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc 0>; disable-over-current; + external-vbus-divider; }; diff --git a/Documentation/devicetree/bindings/usb/ehci-omap.txt b/Documentation/devicetree/bindings/usb/ehci-omap.txt new file mode 100644 index 000000000000..485a9a1efa7a --- /dev/null +++ b/Documentation/devicetree/bindings/usb/ehci-omap.txt @@ -0,0 +1,32 @@ +OMAP HS USB EHCI controller + +This device is usually the child of the omap-usb-host +Documentation/devicetree/bindings/mfd/omap-usb-host.txt + +Required properties: + +- compatible: should be "ti,ehci-omap" +- reg: should contain one register range i.e. start and length +- interrupts: description of the interrupt line + +Optional properties: + +- phys: list of phandles to PHY nodes. + This property is required if at least one of the ports are in + PHY mode i.e. OMAP_EHCI_PORT_MODE_PHY + +To specify the port mode, see +Documentation/devicetree/bindings/mfd/omap-usb-host.txt + +Example for OMAP4: + +usbhsehci: ehci@4a064c00 { + compatible = "ti,ehci-omap", "usb-ehci"; + reg = <0x4a064c00 0x400>; + interrupts = <0 77 0x4>; +}; + +&usbhsehci { + phys = <&hsusb1_phy 0 &hsusb3_phy>; +}; + diff --git a/Documentation/devicetree/bindings/usb/ohci-omap3.txt b/Documentation/devicetree/bindings/usb/ohci-omap3.txt new file mode 100644 index 000000000000..14ab42812a8e --- /dev/null +++ b/Documentation/devicetree/bindings/usb/ohci-omap3.txt @@ -0,0 +1,15 @@ +OMAP HS USB OHCI controller (OMAP3 and later) + +Required properties: + +- compatible: should be "ti,ohci-omap3" +- reg: should contain one register range i.e. start and length +- interrupts: description of the interrupt line + +Example for OMAP4: + +usbhsohci: ohci@4a064800 { + compatible = "ti,ohci-omap3", "usb-ohci"; + reg = <0x4a064800 0x400>; + interrupts = <0 76 0x4>; +}; diff --git a/Documentation/devicetree/bindings/usb/omap-usb.txt b/Documentation/devicetree/bindings/usb/omap-usb.txt index 1ef0ce71f8fa..662f0f1d2315 100644 --- a/Documentation/devicetree/bindings/usb/omap-usb.txt +++ b/Documentation/devicetree/bindings/usb/omap-usb.txt @@ -8,10 +8,10 @@ OMAP MUSB GLUE and disconnect. - multipoint : Should be "1" indicating the musb controller supports multipoint. This is a MUSB configuration-specific setting. - - num_eps : Specifies the number of endpoints. This is also a + - num-eps : Specifies the number of endpoints. This is also a MUSB configuration-specific setting. Should be set to "16" - - ram_bits : Specifies the ram address size. Should be set to "12" - - interface_type : This is a board specific setting to describe the type of + - ram-bits : Specifies the ram address size. Should be set to "12" + - interface-type : This is a board specific setting to describe the type of interface between the controller and the phy. It should be "0" or "1" specifying ULPI and UTMI respectively. - mode : Should be "3" to represent OTG. "1" signifies HOST and "2" @@ -29,18 +29,46 @@ usb_otg_hs: usb_otg_hs@4a0ab000 { ti,hwmods = "usb_otg_hs"; ti,has-mailbox; multipoint = <1>; - num_eps = <16>; - ram_bits = <12>; + num-eps = <16>; + ram-bits = <12>; ctrl-module = <&omap_control_usb>; }; Board specific device node entry &usb_otg_hs { - interface_type = <1>; + interface-type = <1>; mode = <3>; power = <50>; }; +OMAP DWC3 GLUE + - compatible : Should be "ti,dwc3" + - ti,hwmods : Should be "usb_otg_ss" + - reg : Address and length of the register set for the device. + - interrupts : The irq number of this device that is used to interrupt the + MPU + - #address-cells, #size-cells : Must be present if the device has sub-nodes + - utmi-mode : controls the source of UTMI/PIPE status for VBUS and OTG ID. + It should be set to "1" for HW mode and "2" for SW mode. + - ranges: the child address space are mapped 1:1 onto the parent address space + +Sub-nodes: +The dwc3 core should be added as subnode to omap dwc3 glue. +- dwc3 : + The binding details of dwc3 can be found in: + Documentation/devicetree/bindings/usb/dwc3.txt + +omap_dwc3 { + compatible = "ti,dwc3"; + ti,hwmods = "usb_otg_ss"; + reg = <0x4a020000 0x1ff>; + interrupts = <0 93 4>; + #address-cells = <1>; + #size-cells = <1>; + utmi-mode = <2>; + ranges; +}; + OMAP CONTROL USB Required properties: diff --git a/Documentation/devicetree/bindings/usb/samsung-usbphy.txt b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt index 033194934f64..33fd3543f3f8 100644 --- a/Documentation/devicetree/bindings/usb/samsung-usbphy.txt +++ b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt @@ -1,20 +1,25 @@ -* Samsung's usb phy transceiver +SAMSUNG USB-PHY controllers -The Samsung's phy transceiver is used for controlling usb phy for -s3c-hsotg as well as ehci-s5p and ohci-exynos usb controllers -across Samsung SOCs. +** Samsung's usb 2.0 phy transceiver + +The Samsung's usb 2.0 phy transceiver is used for controlling +usb 2.0 phy for s3c-hsotg as well as ehci-s5p and ohci-exynos +usb controllers across Samsung SOCs. TODO: Adding the PHY binding with controller(s) according to the under -developement generic PHY driver. +development generic PHY driver. Required properties: Exynos4210: -- compatible : should be "samsung,exynos4210-usbphy" +- compatible : should be "samsung,exynos4210-usb2phy" - reg : base physical address of the phy registers and length of memory mapped region. +- clocks: Clock IDs array as required by the controller. +- clock-names: names of clock correseponding IDs clock property as requested + by the controller driver. Exynos5250: -- compatible : should be "samsung,exynos5250-usbphy" +- compatible : should be "samsung,exynos5250-usb2phy" - reg : base physical address of the phy registers and length of memory mapped region. @@ -44,12 +49,69 @@ Example: usbphy@125B0000 { #address-cells = <1>; #size-cells = <1>; - compatible = "samsung,exynos4210-usbphy"; + compatible = "samsung,exynos4210-usb2phy"; reg = <0x125B0000 0x100>; ranges; + clocks = <&clock 2>, <&clock 305>; + clock-names = "xusbxti", "otg"; + usbphy-sys { /* USB device and host PHY_CONTROL registers */ reg = <0x10020704 0x8>; }; }; + + +** Samsung's usb 3.0 phy transceiver + +Starting exynso5250, Samsung's SoC have usb 3.0 phy transceiver +which is used for controlling usb 3.0 phy for dwc3-exynos usb 3.0 +controllers across Samsung SOCs. + +Required properties: + +Exynos5250: +- compatible : should be "samsung,exynos5250-usb3phy" +- reg : base physical address of the phy registers and length of memory mapped + region. +- clocks: Clock IDs array as required by the controller. +- clock-names: names of clocks correseponding to IDs in the clock property + as requested by the controller driver. + +Optional properties: +- #address-cells: should be '1' when usbphy node has a child node with 'reg' + property. +- #size-cells: should be '1' when usbphy node has a child node with 'reg' + property. +- ranges: allows valid translation between child's address space and parent's + address space. + +- The child node 'usbphy-sys' to the node 'usbphy' is for the system controller + interface for usb-phy. It should provide the following information required by + usb-phy controller to control phy. + - reg : base physical address of PHY_CONTROL registers. + The size of this register is the total sum of size of all PHY_CONTROL + registers that the SoC has. For example, the size will be + '0x4' in case we have only one PHY_CONTROL register (e.g. + OTHERS register in S3C64XX or USB_PHY_CONTROL register in S5PV210) + and, '0x8' in case we have two PHY_CONTROL registers (e.g. + USBDEVICE_PHY_CONTROL and USBHOST_PHY_CONTROL registers in exynos4x). + and so on. + +Example: + usbphy@12100000 { + compatible = "samsung,exynos5250-usb3phy"; + reg = <0x12100000 0x100>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + clocks = <&clock 1>, <&clock 286>; + clock-names = "ext_xtal", "usbdrd30"; + + usbphy-sys { + /* USB device and host PHY_CONTROL registers */ + reg = <0x10040704 0x8>; + }; + }; diff --git a/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt new file mode 100644 index 000000000000..d7e272671c7e --- /dev/null +++ b/Documentation/devicetree/bindings/usb/usb-nop-xceiv.txt @@ -0,0 +1,34 @@ +USB NOP PHY + +Required properties: +- compatible: should be usb-nop-xceiv + +Optional properties: +- clocks: phandle to the PHY clock. Use as per Documentation/devicetree + /bindings/clock/clock-bindings.txt + This property is required if clock-frequency is specified. + +- clock-names: Should be "main_clk" + +- clock-frequency: the clock frequency (in Hz) that the PHY clock must + be configured to. + +- vcc-supply: phandle to the regulator that provides RESET to the PHY. + +- reset-supply: phandle to the regulator that provides power to the PHY. + +Example: + + hsusb1_phy { + compatible = "usb-nop-xceiv"; + clock-frequency = <19200000>; + clocks = <&osc 0>; + clock-names = "main_clk"; + vcc-supply = <&hsusb1_vcc_regulator>; + reset-supply = <&hsusb1_reset_regulator>; + }; + +hsusb1_phy is a NOP USB PHY device that gets its clock from an oscillator +and expects that clock to be configured to 19.2MHz by the NOP PHY driver. +hsusb1_vcc_regulator provides power to the PHY and hsusb1_reset_regulator +controls RESET. diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 19e1ef73ab0d..4d1919bf2332 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -5,6 +5,7 @@ using them to avoid name-space collisions. ad Avionic Design GmbH adi Analog Devices, Inc. +aeroflexgaisler Aeroflex Gaisler AB ak Asahi Kasei Corp. amcc Applied Micro Circuits Corporation (APM, formally AMCC) apm Applied Micro Circuits Corporation (APM) @@ -48,6 +49,7 @@ samsung Samsung Semiconductor sbs Smart Battery System schindler Schindler sil Silicon Image +silabs Silicon Laboratories simtek sirf SiRF Technology, Inc. snps Synopsys, Inc. diff --git a/Documentation/devicetree/bindings/video/backlight/lp855x.txt b/Documentation/devicetree/bindings/video/backlight/lp855x.txt new file mode 100644 index 000000000000..1482103d288f --- /dev/null +++ b/Documentation/devicetree/bindings/video/backlight/lp855x.txt @@ -0,0 +1,41 @@ +lp855x bindings + +Required properties: + - compatible: "ti,lp8550", "ti,lp8551", "ti,lp8552", "ti,lp8553", + "ti,lp8556", "ti,lp8557" + - reg: I2C slave address (u8) + - dev-ctrl: Value of DEVICE CONTROL register (u8). It depends on the device. + +Optional properties: + - bl-name: Backlight device name (string) + - init-brt: Initial value of backlight brightness (u8) + - pwm-period: PWM period value. Set only PWM input mode used (u32) + - rom-addr: Register address of ROM area to be updated (u8) + - rom-val: Register value to be updated (u8) + +Example: + + /* LP8556 */ + backlight@2c { + compatible = "ti,lp8556"; + reg = <0x2c>; + + bl-name = "lcd-bl"; + dev-ctrl = /bits/ 8 <0x85>; + init-brt = /bits/ 8 <0x10>; + }; + + /* LP8557 */ + backlight@2c { + compatible = "ti,lp8557"; + reg = <0x2c>; + + dev-ctrl = /bits/ 8 <0x41>; + init-brt = /bits/ 8 <0x0a>; + + /* 4V OV, 4 output LED string enabled */ + rom_14h { + rom-addr = /bits/ 8 <0x14>; + rom-val = /bits/ 8 <0xcf>; + }; + }; diff --git a/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt b/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt new file mode 100644 index 000000000000..5fb9279ac287 --- /dev/null +++ b/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt @@ -0,0 +1,27 @@ +TPS65217 family of regulators + +The TPS65217 chip contains a boost converter and current sinks which can be +used to drive LEDs for use as backlights. + +Required properties: +- compatible: "ti,tps65217" +- reg: I2C slave address +- backlight: node for specifying WLED1 and WLED2 lines in TPS65217 +- isel: selection bit, valid values: 1 for ISEL1 (low-level) and 2 for ISEL2 (high-level) +- fdim: PWM dimming frequency, valid values: 100, 200, 500, 1000 +- default-brightness: valid values: 0-100 + +Each regulator is defined using the standard binding for regulators. + +Example: + + tps: tps@24 { + reg = <0x24>; + compatible = "ti,tps65217"; + backlight { + isel = <1>; /* 1 - ISET1, 2 ISET2 */ + fdim = <100>; /* TPS65217_BL_FDIM_100HZ */ + default-brightness = <50>; + }; + }; + diff --git a/Documentation/devicetree/bindings/video/via,vt8500-fb.txt b/Documentation/devicetree/bindings/video/via,vt8500-fb.txt index c870b6478ec8..2871e218a0fb 100644 --- a/Documentation/devicetree/bindings/video/via,vt8500-fb.txt +++ b/Documentation/devicetree/bindings/video/via,vt8500-fb.txt @@ -5,58 +5,32 @@ Required properties: - compatible : "via,vt8500-fb" - reg : Should contain 1 register ranges(address and length) - interrupts : framebuffer controller interrupt -- display: a phandle pointing to the display node +- bits-per-pixel : bit depth of framebuffer (16 or 32) -Required nodes: -- display: a display node is required to initialize the lcd panel - This should be in the board dts. -- default-mode: a videomode within the display with timing parameters - as specified below. +Required subnodes: +- display-timings: see display-timing.txt for information Example: - fb@d800e400 { + fb@d8050800 { compatible = "via,vt8500-fb"; reg = <0xd800e400 0x400>; interrupts = <12>; - display = <&display>; - default-mode = <&mode0>; - }; - -VIA VT8500 Display ------------------------------------------------------ -Required properties (as per of_videomode_helper): - - - hactive, vactive: Display resolution - - hfront-porch, hback-porch, hsync-len: Horizontal Display timing parameters - in pixels - vfront-porch, vback-porch, vsync-len: Vertical display timing parameters in - lines - - clock: displayclock in Hz - - bpp: lcd panel bit-depth. - <16> for RGB565, <32> for RGB888 - -Optional properties (as per of_videomode_helper): - - width-mm, height-mm: Display dimensions in mm - - hsync-active-high (bool): Hsync pulse is active high - - vsync-active-high (bool): Vsync pulse is active high - - interlaced (bool): This is an interlaced mode - - doublescan (bool): This is a doublescan mode + bits-per-pixel = <16>; -Example: - display: display@0 { - modes { - mode0: mode@0 { + display-timings { + native-mode = <&timing0>; + timing0: 800x480 { + clock-frequency = <0>; /* unused but required */ hactive = <800>; vactive = <480>; - hback-porch = <88>; hfront-porch = <40>; + hback-porch = <88>; hsync-len = <0>; vback-porch = <32>; vfront-porch = <11>; vsync-len = <1>; - clock = <0>; /* unused but required */ - bpp = <16>; /* non-standard but required */ }; }; }; + diff --git a/Documentation/devicetree/bindings/video/wm,wm8505-fb.txt b/Documentation/devicetree/bindings/video/wm,wm8505-fb.txt index 3d325e1d11ee..0bcadb2840a5 100644 --- a/Documentation/devicetree/bindings/video/wm,wm8505-fb.txt +++ b/Documentation/devicetree/bindings/video/wm,wm8505-fb.txt @@ -4,20 +4,30 @@ Wondermedia WM8505 Framebuffer Required properties: - compatible : "wm,wm8505-fb" - reg : Should contain 1 register ranges(address and length) -- via,display: a phandle pointing to the display node +- bits-per-pixel : bit depth of framebuffer (16 or 32) -Required nodes: -- display: a display node is required to initialize the lcd panel - This should be in the board dts. See definition in - Documentation/devicetree/bindings/video/via,vt8500-fb.txt -- default-mode: a videomode node as specified in - Documentation/devicetree/bindings/video/via,vt8500-fb.txt +Required subnodes: +- display-timings: see display-timing.txt for information Example: - fb@d8050800 { + fb@d8051700 { compatible = "wm,wm8505-fb"; - reg = <0xd8050800 0x200>; - display = <&display>; - default-mode = <&mode0>; + reg = <0xd8051700 0x200>; + bits-per-pixel = <16>; + + display-timings { + native-mode = <&timing0>; + timing0: 800x480 { + clock-frequency = <0>; /* unused but required */ + hactive = <800>; + vactive = <480>; + hfront-porch = <40>; + hback-porch = <88>; + hsync-len = <0>; + vback-porch = <32>; + vfront-porch = <11>; + vsync-len = <1>; + }; + }; }; diff --git a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt b/Documentation/devicetree/bindings/watchdog/sun4i-wdt.txt index 0b2717775600..ecd650adff31 100644 --- a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/sun4i-wdt.txt @@ -1,13 +1,13 @@ -Allwinner sunXi Watchdog timer +Allwinner sun4i Watchdog timer Required properties: -- compatible : should be "allwinner,sunxi-wdt" +- compatible : should be "allwinner,sun4i-wdt" - reg : Specifies base physical address and size of the registers. Example: wdt: watchdog@01c20c90 { - compatible = "allwinner,sunxi-wdt"; + compatible = "allwinner,sun4i-wdt"; reg = <0x01c20c90 0x10>; }; diff --git a/Documentation/dma-buf-sharing.txt b/Documentation/dma-buf-sharing.txt index 4966b1be42ac..0b23261561d2 100644 --- a/Documentation/dma-buf-sharing.txt +++ b/Documentation/dma-buf-sharing.txt @@ -52,14 +52,23 @@ The dma_buf buffer sharing API usage contains the following steps: associated with this buffer. Interface: - struct dma_buf *dma_buf_export(void *priv, struct dma_buf_ops *ops, - size_t size, int flags) + struct dma_buf *dma_buf_export_named(void *priv, struct dma_buf_ops *ops, + size_t size, int flags, + const char *exp_name) If this succeeds, dma_buf_export allocates a dma_buf structure, and returns a pointer to the same. It also associates an anonymous file with this buffer, so it can be exported. On failure to allocate the dma_buf object, it returns NULL. + 'exp_name' is the name of exporter - to facilitate information while + debugging. + + Exporting modules which do not wish to provide any specific name may use the + helper define 'dma_buf_export()', with the same arguments as above, but + without the last argument; a __FILE__ pre-processor directive will be + inserted in place of 'exp_name' instead. + 2. Userspace gets a handle to pass around to potential buffer-users Userspace entity requests for a file-descriptor (fd) which is a handle to the diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt index 34ea4f1fa6ea..f7cbf574a875 100644 --- a/Documentation/filesystems/ext4.txt +++ b/Documentation/filesystems/ext4.txt @@ -494,6 +494,17 @@ Files in /sys/fs/ext4/<devname> session_write_kbytes This file is read-only and shows the number of kilobytes of data that have been written to this filesystem since it was mounted. + + reserved_clusters This is RW file and contains number of reserved + clusters in the file system which will be used + in the specific situations to avoid costly + zeroout, unexpected ENOSPC, or possible data + loss. The default is 2% or 4096 clusters, + whichever is smaller and this can be changed + however it can never exceed number of clusters + in the file system. If there is not enough space + for the reserved space when mounting the file + mount will _not_ fail. .............................................................................. Ioctls @@ -587,6 +598,16 @@ Table of Ext4 specific ioctls bitmaps and inode table, the userspace tool thus just passes the new number of blocks. +EXT4_IOC_SWAP_BOOT Swap i_blocks and associated attributes + (like i_blocks, i_size, i_flags, ...) from + the specified inode with inode + EXT4_BOOT_LOADER_INO (#5). This is typically + used to store a boot loader in a secure part of + the filesystem, where it can't be changed by a + normal user by accident. + The data blocks of the previous boot loader + will be associated with the given inode. + .............................................................................. References diff --git a/Documentation/filesystems/vfat.txt b/Documentation/filesystems/vfat.txt index d230dd9c99b0..4a93e98b290a 100644 --- a/Documentation/filesystems/vfat.txt +++ b/Documentation/filesystems/vfat.txt @@ -150,12 +150,28 @@ discard -- If set, issues discard/TRIM commands to the block device when blocks are freed. This is useful for SSD devices and sparse/thinly-provisoned LUNs. -nfs -- This option maintains an index (cache) of directory - inodes by i_logstart which is used by the nfs-related code to - improve look-ups. +nfs=stale_rw|nostale_ro + Enable this only if you want to export the FAT filesystem + over NFS. + + stale_rw: This option maintains an index (cache) of directory + inodes by i_logstart which is used by the nfs-related code to + improve look-ups. Full file operations (read/write) over NFS is + supported but with cache eviction at NFS server, this could + result in ESTALE issues. + + nostale_ro: This option bases the inode number and filehandle + on the on-disk location of a file in the MS-DOS directory entry. + This ensures that ESTALE will not be returned after a file is + evicted from the inode cache. However, it means that operations + such as rename, create and unlink could cause filehandles that + previously pointed at one file to point at a different file, + potentially causing data corruption. For this reason, this + option also mounts the filesystem readonly. + + To maintain backward compatibility, '-o nfs' is also accepted, + defaulting to stale_rw - Enable this only if you want to export the FAT filesystem - over NFS <bool>: 0,1,yes,no,true,false diff --git a/Documentation/hwmon/ab8500 b/Documentation/hwmon/ab8500 new file mode 100644 index 000000000000..cf169c8ef4e3 --- /dev/null +++ b/Documentation/hwmon/ab8500 @@ -0,0 +1,22 @@ +Kernel driver ab8500 +==================== + +Supported chips: + * ST-Ericsson AB8500 + Prefix: 'ab8500' + Addresses scanned: - + Datasheet: http://www.stericsson.com/developers/documentation.jsp + +Authors: + Martin Persson <martin.persson@stericsson.com> + Hongbo Zhang <hongbo.zhang@linaro.org> + +Description +----------- + +See also Documentation/hwmon/abx500. This is the ST-Ericsson AB8500 specific +driver. + +Currently only the AB8500 internal sensor and one external sensor for battery +temperature are monitored. Other GPADC channels can also be monitored if needed +in future. diff --git a/Documentation/hwmon/abx500 b/Documentation/hwmon/abx500 new file mode 100644 index 000000000000..319a058cec7c --- /dev/null +++ b/Documentation/hwmon/abx500 @@ -0,0 +1,28 @@ +Kernel driver abx500 +==================== + +Supported chips: + * ST-Ericsson ABx500 series + Prefix: 'abx500' + Addresses scanned: - + Datasheet: http://www.stericsson.com/developers/documentation.jsp + +Authors: + Martin Persson <martin.persson@stericsson.com> + Hongbo Zhang <hongbo.zhang@linaro.org> + +Description +----------- + +Every ST-Ericsson Ux500 SOC consists of both ABx500 and DBx500 physically, +this is kernel hwmon driver for ABx500. + +There are some GPADCs inside ABx500 which are designed for connecting to +thermal sensors, and there is also a thermal sensor inside ABx500 too, which +raises interrupt when critical temperature reached. + +This abx500 is a common layer which can monitor all of the sensors, every +specific abx500 chip has its special configurations in its own file, e.g. some +sensors can be configured invisible if they are not available on that chip, and +the corresponding gpadc_addr should be set to 0, thus this sensor won't be +polled. diff --git a/Documentation/hwmon/adt7410 b/Documentation/hwmon/adt7410 index 58150c480e56..9817941e5f19 100644 --- a/Documentation/hwmon/adt7410 +++ b/Documentation/hwmon/adt7410 @@ -12,29 +12,42 @@ Supported chips: Addresses scanned: None Datasheet: Publicly available at the Analog Devices website http://www.analog.com/static/imported-files/data_sheets/ADT7420.pdf + * Analog Devices ADT7310 + Prefix: 'adt7310' + Addresses scanned: None + Datasheet: Publicly available at the Analog Devices website + http://www.analog.com/static/imported-files/data_sheets/ADT7310.pdf + * Analog Devices ADT7320 + Prefix: 'adt7320' + Addresses scanned: None + Datasheet: Publicly available at the Analog Devices website + http://www.analog.com/static/imported-files/data_sheets/ADT7320.pdf Author: Hartmut Knaack <knaack.h@gmx.de> Description ----------- -The ADT7410 is a temperature sensor with rated temperature range of -55°C to -+150°C. It has a high accuracy of +/-0.5°C and can be operated at a resolution -of 13 bits (0.0625°C) or 16 bits (0.0078°C). The sensor provides an INT pin to -indicate that a minimum or maximum temperature set point has been exceeded, as -well as a critical temperature (CT) pin to indicate that the critical -temperature set point has been exceeded. Both pins can be set up with a common -hysteresis of 0°C - 15°C and a fault queue, ranging from 1 to 4 events. Both -pins can individually set to be active-low or active-high, while the whole -device can either run in comparator mode or interrupt mode. The ADT7410 -supports continous temperature sampling, as well as sampling one temperature -value per second or even justget one sample on demand for power saving. -Besides, it can completely power down its ADC, if power management is -required. - -The ADT7420 is register compatible, the only differences being the package, -a slightly narrower operating temperature range (-40°C to +150°C), and a -better accuracy (0.25°C instead of 0.50°C.) +The ADT7310/ADT7410 is a temperature sensor with rated temperature range of +-55°C to +150°C. It has a high accuracy of +/-0.5°C and can be operated at a +resolution of 13 bits (0.0625°C) or 16 bits (0.0078°C). The sensor provides an +INT pin to indicate that a minimum or maximum temperature set point has been +exceeded, as well as a critical temperature (CT) pin to indicate that the +critical temperature set point has been exceeded. Both pins can be set up with a +common hysteresis of 0°C - 15°C and a fault queue, ranging from 1 to 4 events. +Both pins can individually set to be active-low or active-high, while the whole +device can either run in comparator mode or interrupt mode. The ADT7410 supports +continuous temperature sampling, as well as sampling one temperature value per +second or even just get one sample on demand for power saving. Besides, it can +completely power down its ADC, if power management is required. + +The ADT7320/ADT7420 is register compatible, the only differences being the +package, a slightly narrower operating temperature range (-40°C to +150°C), and +a better accuracy (0.25°C instead of 0.50°C.) + +The difference between the ADT7310/ADT7320 and ADT7410/ADT7420 is the control +interface, the ADT7310 and ADT7320 use SPI while the ADT7410 and ADT7420 use +I2C. Configuration Notes ------------------- diff --git a/Documentation/hwmon/lm25066 b/Documentation/hwmon/lm25066 index 26025e419d35..c1b57d72efc3 100644 --- a/Documentation/hwmon/lm25066 +++ b/Documentation/hwmon/lm25066 @@ -1,7 +1,13 @@ -Kernel driver max8688 +Kernel driver lm25066 ===================== Supported chips: + * TI LM25056 + Prefix: 'lm25056' + Addresses scanned: - + Datasheets: + http://www.ti.com/lit/gpn/lm25056 + http://www.ti.com/lit/gpn/lm25056a * National Semiconductor LM25066 Prefix: 'lm25066' Addresses scanned: - @@ -25,8 +31,9 @@ Author: Guenter Roeck <linux@roeck-us.net> Description ----------- -This driver supports hardware montoring for National Semiconductor LM25066, -LM5064, and LM5064 Power Management, Monitoring, Control, and Protection ICs. +This driver supports hardware montoring for National Semiconductor / TI LM25056, +LM25066, LM5064, and LM5064 Power Management, Monitoring, Control, and +Protection ICs. The driver is a client driver to the core PMBus driver. Please see Documentation/hwmon/pmbus for details on PMBus client drivers. @@ -60,14 +67,19 @@ in1_max Maximum input voltage. in1_min_alarm Input voltage low alarm. in1_max_alarm Input voltage high alarm. -in2_label "vout1" -in2_input Measured output voltage. -in2_average Average measured output voltage. -in2_min Minimum output voltage. -in2_min_alarm Output voltage low alarm. - -in3_label "vout2" -in3_input Measured voltage on vaux pin +in2_label "vmon" +in2_input Measured voltage on VAUX pin +in2_min Minimum VAUX voltage (LM25056 only). +in2_max Maximum VAUX voltage (LM25056 only). +in2_min_alarm VAUX voltage low alarm (LM25056 only). +in2_max_alarm VAUX voltage high alarm (LM25056 only). + +in3_label "vout1" + Not supported on LM25056. +in3_input Measured output voltage. +in3_average Average measured output voltage. +in3_min Minimum output voltage. +in3_min_alarm Output voltage low alarm. curr1_label "iin" curr1_input Measured input current. diff --git a/Documentation/hwmon/lm95234 b/Documentation/hwmon/lm95234 new file mode 100644 index 000000000000..a0e95ddfd372 --- /dev/null +++ b/Documentation/hwmon/lm95234 @@ -0,0 +1,36 @@ +Kernel driver lm95234 +===================== + +Supported chips: + * National Semiconductor / Texas Instruments LM95234 + Addresses scanned: I2C 0x18, 0x4d, 0x4e + Datasheet: Publicly available at the Texas Instruments website + http://www.ti.com/product/lm95234 + + +Author: Guenter Roeck <linux@roeck-us.net> + +Description +----------- + +LM95234 is an 11-bit digital temperature sensor with a 2-wire System Management +Bus (SMBus) interface and TrueTherm technology that can very accurately monitor +the temperature of four remote diodes as well as its own temperature. +The four remote diodes can be external devices such as microprocessors, +graphics processors or diode-connected 2N3904s. The LM95234's TruTherm +beta compensation technology allows sensing of 90 nm or 65 nm process +thermal diodes accurately. + +All temperature values are given in millidegrees Celsius. Temperature +is provided within a range of -127 to +255 degrees (+127.875 degrees for +the internal sensor). Resolution depends on temperature input and range. + +Each sensor has its own maximum limit, but the hysteresis is common to all +channels. The hysteresis is configurable with the tem1_max_hyst attribute and +affects the hysteresis on all channels. The first two external sensors also +have a critical limit. + +The lm95234 driver can change its update interval to a fixed set of values. +It will round up to the next selectable interval. See the datasheet for exact +values. Reading sensor values more often will do no harm, but will return +'old' values. diff --git a/Documentation/hwmon/ltc2978 b/Documentation/hwmon/ltc2978 index e4d75c606c97..dc0d08c61305 100644 --- a/Documentation/hwmon/ltc2978 +++ b/Documentation/hwmon/ltc2978 @@ -2,6 +2,10 @@ Kernel driver ltc2978 ===================== Supported chips: + * Linear Technology LTC2974 + Prefix: 'ltc2974' + Addresses scanned: - + Datasheet: http://www.linear.com/product/ltc2974 * Linear Technology LTC2978 Prefix: 'ltc2978' Addresses scanned: - @@ -10,6 +14,10 @@ Supported chips: Prefix: 'ltc3880' Addresses scanned: - Datasheet: http://www.linear.com/product/ltc3880 + * Linear Technology LTC3883 + Prefix: 'ltc3883' + Addresses scanned: - + Datasheet: http://www.linear.com/product/ltc3883 Author: Guenter Roeck <linux@roeck-us.net> @@ -17,9 +25,9 @@ Author: Guenter Roeck <linux@roeck-us.net> Description ----------- -The LTC2978 is an octal power supply monitor, supervisor, sequencer and -margin controller. The LTC3880 is a dual, PolyPhase DC/DC synchronous -step-down switching regulator controller. +LTC2974 is a quad digital power supply manager. LTC2978 is an octal power supply +monitor. LTC3880 is a dual output poly-phase step-down DC/DC controller. LTC3883 +is a single phase step-down DC/DC controller. Usage Notes @@ -41,63 +49,90 @@ Sysfs attributes in1_label "vin" in1_input Measured input voltage. in1_min Minimum input voltage. -in1_max Maximum input voltage. -in1_lcrit Critical minimum input voltage. +in1_max Maximum input voltage. LTC2974 and LTC2978 only. +in1_lcrit Critical minimum input voltage. LTC2974 and LTC2978 + only. in1_crit Critical maximum input voltage. in1_min_alarm Input voltage low alarm. -in1_max_alarm Input voltage high alarm. -in1_lcrit_alarm Input voltage critical low alarm. +in1_max_alarm Input voltage high alarm. LTC2974 and LTC2978 only. +in1_lcrit_alarm Input voltage critical low alarm. LTC2974 and LTC2978 + only. in1_crit_alarm Input voltage critical high alarm. -in1_lowest Lowest input voltage. LTC2978 only. +in1_lowest Lowest input voltage. LTC2974 and LTC2978 only. in1_highest Highest input voltage. -in1_reset_history Reset history. Writing into this attribute will reset - history for all attributes. - -in[2-9]_label "vout[1-8]". Channels 3 to 9 on LTC2978 only. -in[2-9]_input Measured output voltage. -in[2-9]_min Minimum output voltage. -in[2-9]_max Maximum output voltage. -in[2-9]_lcrit Critical minimum output voltage. -in[2-9]_crit Critical maximum output voltage. -in[2-9]_min_alarm Output voltage low alarm. -in[2-9]_max_alarm Output voltage high alarm. -in[2-9]_lcrit_alarm Output voltage critical low alarm. -in[2-9]_crit_alarm Output voltage critical high alarm. -in[2-9]_lowest Lowest output voltage. LTC2978 only. -in[2-9]_highest Lowest output voltage. -in[2-9]_reset_history Reset history. Writing into this attribute will reset - history for all attributes. - -temp[1-3]_input Measured temperature. +in1_reset_history Reset input voltage history. + +in[N]_label "vout[1-8]". + LTC2974: N=2-5 + LTC2978: N=2-9 + LTC3880: N=2-3 + LTC3883: N=2 +in[N]_input Measured output voltage. +in[N]_min Minimum output voltage. +in[N]_max Maximum output voltage. +in[N]_lcrit Critical minimum output voltage. +in[N]_crit Critical maximum output voltage. +in[N]_min_alarm Output voltage low alarm. +in[N]_max_alarm Output voltage high alarm. +in[N]_lcrit_alarm Output voltage critical low alarm. +in[N]_crit_alarm Output voltage critical high alarm. +in[N]_lowest Lowest output voltage. LTC2974 and LTC2978 only. +in[N]_highest Highest output voltage. +in[N]_reset_history Reset output voltage history. + +temp[N]_input Measured temperature. + On LTC2974, temp[1-4] report external temperatures, + and temp5 reports the chip temperature. On LTC2978, only one temperature measurement is - supported and reflects the internal temperature. + supported and reports the chip temperature. On LTC3880, temp1 and temp2 report external - temperatures, and temp3 reports the internal - temperature. -temp[1-3]_min Mimimum temperature. -temp[1-3]_max Maximum temperature. -temp[1-3]_lcrit Critical low temperature. -temp[1-3]_crit Critical high temperature. -temp[1-3]_min_alarm Chip temperature low alarm. -temp[1-3]_max_alarm Chip temperature high alarm. -temp[1-3]_lcrit_alarm Chip temperature critical low alarm. -temp[1-3]_crit_alarm Chip temperature critical high alarm. -temp[1-3]_lowest Lowest measured temperature. LTC2978 only. -temp[1-3]_highest Highest measured temperature. -temp[1-3]_reset_history Reset history. Writing into this attribute will reset - history for all attributes. - -power[1-2]_label "pout[1-2]". LTC3880 only. -power[1-2]_input Measured power. - -curr1_label "iin". LTC3880 only. + temperatures, and temp3 reports the chip temperature. + On LTC3883, temp1 reports an external temperature, + and temp2 reports the chip temperature. +temp[N]_min Mimimum temperature. LTC2974 and LTC2978 only. +temp[N]_max Maximum temperature. +temp[N]_lcrit Critical low temperature. +temp[N]_crit Critical high temperature. +temp[N]_min_alarm Temperature low alarm. LTC2974 and LTC2978 only. +temp[N]_max_alarm Temperature high alarm. +temp[N]_lcrit_alarm Temperature critical low alarm. +temp[N]_crit_alarm Temperature critical high alarm. +temp[N]_lowest Lowest measured temperature. LTC2974 and LTC2978 only. + Not supported for chip temperature sensor on LTC2974. +temp[N]_highest Highest measured temperature. Not supported for chip + temperature sensor on LTC2974. +temp[N]_reset_history Reset temperature history. Not supported for chip + temperature sensor on LTC2974. + +power1_label "pin". LTC3883 only. +power1_input Measured input power. + +power[N]_label "pout[1-4]". + LTC2974: N=1-4 + LTC2978: Not supported + LTC3880: N=1-2 + LTC3883: N=2 +power[N]_input Measured output power. + +curr1_label "iin". LTC3880 and LTC3883 only. curr1_input Measured input current. curr1_max Maximum input current. curr1_max_alarm Input current high alarm. - -curr[2-3]_label "iout[1-2]". LTC3880 only. -curr[2-3]_input Measured input current. -curr[2-3]_max Maximum input current. -curr[2-3]_crit Critical input current. -curr[2-3]_max_alarm Input current high alarm. -curr[2-3]_crit_alarm Input current critical high alarm. +curr1_highest Highest input current. LTC3883 only. +curr1_reset_history Reset input current history. LTC3883 only. + +curr[N]_label "iout[1-4]". + LTC2974: N=1-4 + LTC2978: not supported + LTC3880: N=2-3 + LTC3883: N=2 +curr[N]_input Measured output current. +curr[N]_max Maximum output current. +curr[N]_crit Critical high output current. +curr[N]_lcrit Critical low output current. LTC2974 only. +curr[N]_max_alarm Output current high alarm. +curr[N]_crit_alarm Output current critical high alarm. +curr[N]_lcrit_alarm Output current critical low alarm. LTC2974 only. +curr[N]_lowest Lowest output current. LTC2974 only. +curr[N]_highest Highest output current. +curr[N]_reset_history Reset output current history. diff --git a/Documentation/hwmon/nct6775 b/Documentation/hwmon/nct6775 new file mode 100644 index 000000000000..4e9ef60e8c6c --- /dev/null +++ b/Documentation/hwmon/nct6775 @@ -0,0 +1,188 @@ +Note +==== + +This driver supersedes the NCT6775F and NCT6776F support in the W83627EHF +driver. + +Kernel driver NCT6775 +===================== + +Supported chips: + * Nuvoton NCT5572D/NCT6771F/NCT6772F/NCT6775F/W83677HG-I + Prefix: 'nct6775' + Addresses scanned: ISA address retrieved from Super I/O registers + Datasheet: Available from Nuvoton upon request + * Nuvoton NCT5577D/NCT6776D/NCT6776F + Prefix: 'nct6776' + Addresses scanned: ISA address retrieved from Super I/O registers + Datasheet: Available from Nuvoton upon request + * Nuvoton NCT5532D/NCT6779D + Prefix: 'nct6779' + Addresses scanned: ISA address retrieved from Super I/O registers + Datasheet: Available from Nuvoton upon request + +Authors: + Guenter Roeck <linux@roeck-us.net> + +Description +----------- + +This driver implements support for the Nuvoton NCT6775F, NCT6776F, and NCT6779D +and compatible super I/O chips. + +The chips support up to 25 temperature monitoring sources. Up to 6 of those are +direct temperature sensor inputs, the others are special sources such as PECI, +PCH, and SMBUS. Depending on the chip type, 2 to 6 of the temperature sources +can be monitored and compared against minimum, maximum, and critical +temperatures. The driver reports up to 10 of the temperatures to the user. +There are 4 to 5 fan rotation speed sensors, 8 to 15 analog voltage sensors, +one VID, alarms with beep warnings (control unimplemented), and some automatic +fan regulation strategies (plus manual fan control mode). + +The temperature sensor sources on all chips are configurable. The configured +source for each of the temperature sensors is provided in tempX_label. + +Temperatures are measured in degrees Celsius and measurement resolution is +either 1 degC or 0.5 degC, depending on the temperature source and +configuration. An alarm is triggered when the temperature gets higher than +the high limit; it stays on until the temperature falls below the hysteresis +value. Alarms are only supported for temp1 to temp6, depending on the chip type. + +Fan rotation speeds are reported in RPM (rotations per minute). An alarm is +triggered if the rotation speed has dropped below a programmable limit. On +NCT6775F, fan readings can be divided by a programmable divider (1, 2, 4, 8, +16, 32, 64 or 128) to give the readings more range or accuracy; the other chips +do not have a fan speed divider. The driver sets the most suitable fan divisor +itself; specifically, it increases the divider value each time a fan speed +reading returns an invalid value, and it reduces it if the fan speed reading +is lower than optimal. Some fans might not be present because they share pins +with other functions. + +Voltage sensors (also known as IN sensors) report their values in millivolts. +An alarm is triggered if the voltage has crossed a programmable minimum +or maximum limit. + +The driver supports automatic fan control mode known as Thermal Cruise. +In this mode, the chip attempts to keep the measured temperature in a +predefined temperature range. If the temperature goes out of range, fan +is driven slower/faster to reach the predefined range again. + +The mode works for fan1-fan5. + +sysfs attributes +---------------- + +pwm[1-5] - this file stores PWM duty cycle or DC value (fan speed) in range: + 0 (lowest speed) to 255 (full) + +pwm[1-5]_enable - this file controls mode of fan/temperature control: + * 0 Fan control disabled (fans set to maximum speed) + * 1 Manual mode, write to pwm[0-5] any value 0-255 + * 2 "Thermal Cruise" mode + * 3 "Fan Speed Cruise" mode + * 4 "Smart Fan III" mode (NCT6775F only) + * 5 "Smart Fan IV" mode + +pwm[1-5]_mode - controls if output is PWM or DC level + * 0 DC output + * 1 PWM output + +Common fan control attributes +----------------------------- + +pwm[1-5]_temp_sel Temperature source. Value is temperature sensor index. + For example, select '1' for temp1_input. +pwm[1-5]_weight_temp_sel + Secondary temperature source. Value is temperature + sensor index. For example, select '1' for temp1_input. + Set to 0 to disable secondary temperature control. + +If secondary temperature functionality is enabled, it is controlled with the +following attributes. + +pwm[1-5]_weight_duty_step + Duty step size. +pwm[1-5]_weight_temp_step + Temperature step size. With each step over + temp_step_base, the value of weight_duty_step is added + to the current pwm value. +pwm[1-5]_weight_temp_step_base + Temperature at which secondary temperature control kicks + in. +pwm[1-5]_weight_temp_step_tol + Temperature step tolerance. + +Thermal Cruise mode (2) +----------------------- + +If the temperature is in the range defined by: + +pwm[1-5]_target_temp Target temperature, unit millidegree Celsius + (range 0 - 127000) +pwm[1-5]_temp_tolerance + Target temperature tolerance, unit millidegree Celsius + +there are no changes to fan speed. Once the temperature leaves the interval, fan +speed increases (if temperature is higher that desired) or decreases (if +temperature is lower than desired), using the following limits and time +intervals. + +pwm[1-5]_start fan pwm start value (range 1 - 255), to start fan + when the temperature is above defined range. +pwm[1-5]_floor lowest fan pwm (range 0 - 255) if temperature is below + the defined range. If set to 0, the fan is expected to + stop if the temperature is below the defined range. +pwm[1-5]_step_up_time milliseconds before fan speed is increased +pwm[1-5]_step_down_time milliseconds before fan speed is decreased +pwm[1-5]_stop_time how many milliseconds must elapse to switch + corresponding fan off (when the temperature was below + defined range). + +Speed Cruise mode (3) +--------------------- + +This modes tries to keep the fan speed constant. + +fan[1-5]_target Target fan speed +fan[1-5]_tolerance + Target speed tolerance + + +Untested; use at your own risk. + +Smart Fan IV mode (5) +--------------------- + +This mode offers multiple slopes to control the fan speed. The slopes can be +controlled by setting the pwm and temperature attributes. When the temperature +rises, the chip will calculate the DC/PWM output based on the current slope. +There are up to seven data points depending on the chip type. Subsequent data +points should be set to higher temperatures and higher pwm values to achieve +higher fan speeds with increasing temperature. The last data point reflects +critical temperature mode, in which the fans should run at full speed. + +pwm[1-5]_auto_point[1-7]_pwm + pwm value to be set if temperature reaches matching + temperature range. +pwm[1-5]_auto_point[1-7]_temp + Temperature over which the matching pwm is enabled. +pwm[1-5]_temp_tolerance + Temperature tolerance, unit millidegree Celsius +pwm[1-5]_crit_temp_tolerance + Temperature tolerance for critical temperature, + unit millidegree Celsius + +pwm[1-5]_step_up_time milliseconds before fan speed is increased +pwm[1-5]_step_down_time milliseconds before fan speed is decreased + +Usage Notes +----------- + +On various ASUS boards with NCT6776F, it appears that CPUTIN is not really +connected to anything and floats, or that it is connected to some non-standard +temperature measurement device. As a result, the temperature reported on CPUTIN +will not reflect a usable value. It often reports unreasonably high +temperatures, and in some cases the reported temperature declines if the actual +temperature increases (similar to the raw PECI temperature value - see PECI +specification for details). CPUTIN should therefore be be ignored on ASUS +boards. The CPU temperature on ASUS boards is reported from PECI 0. diff --git a/Documentation/hwmon/sht15 b/Documentation/hwmon/sht15 index 02850bdfac18..778987d1856f 100644 --- a/Documentation/hwmon/sht15 +++ b/Documentation/hwmon/sht15 @@ -40,7 +40,7 @@ bits for humidity, or 12 bits for temperature and 8 bits for humidity. The humidity calibration coefficients are programmed into an OTP memory on the chip. These coefficients are used to internally calibrate the signals from the sensors. Disabling the reload of those coefficients allows saving 10ms for each -measurement and decrease power consumption, while loosing on precision. +measurement and decrease power consumption, while losing on precision. Some options may be set directly in the sht15_platform_data structure or via sysfs attributes. diff --git a/Documentation/hwmon/tmp401 b/Documentation/hwmon/tmp401 index 9fc447249212..f91e3fa7e5ec 100644 --- a/Documentation/hwmon/tmp401 +++ b/Documentation/hwmon/tmp401 @@ -8,8 +8,16 @@ Supported chips: Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp401.html * Texas Instruments TMP411 Prefix: 'tmp411' - Addresses scanned: I2C 0x4c + Addresses scanned: I2C 0x4c, 0x4d, 0x4e Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp411.html + * Texas Instruments TMP431 + Prefix: 'tmp431' + Addresses scanned: I2C 0x4c, 0x4d + Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp431.html + * Texas Instruments TMP432 + Prefix: 'tmp432' + Addresses scanned: I2C 0x4c, 0x4d + Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp432.html Authors: Hans de Goede <hdegoede@redhat.com> @@ -18,19 +26,19 @@ Authors: Description ----------- -This driver implements support for Texas Instruments TMP401 and -TMP411 chips. These chips implements one remote and one local -temperature sensor. Temperature is measured in degrees +This driver implements support for Texas Instruments TMP401, TMP411, +TMP431, and TMP432 chips. These chips implement one or two remote and +one local temperature sensors. Temperature is measured in degrees Celsius. Resolution of the remote sensor is 0.0625 degree. Local sensor resolution can be set to 0.5, 0.25, 0.125 or 0.0625 degree (not supported by the driver so far, so using the default resolution of 0.5 degree). The driver provides the common sysfs-interface for temperatures (see -/Documentation/hwmon/sysfs-interface under Temperatures). +Documentation/hwmon/sysfs-interface under Temperatures). -The TMP411 chip is compatible with TMP401. It provides some additional -features. +The TMP411 and TMP431 chips are compatible with TMP401. TMP411 provides +some additional features. * Minimum and Maximum temperature measured since power-on, chip-reset @@ -40,3 +48,6 @@ features. Exported via sysfs attribute temp_reset_history. Writing 1 to this file triggers a reset. + +TMP432 is compatible with TMP401 and TMP431. It supports two external +temperature sensors. diff --git a/Documentation/hwmon/zl6100 b/Documentation/hwmon/zl6100 index 756b57c6b73e..33908a4d68ff 100644 --- a/Documentation/hwmon/zl6100 +++ b/Documentation/hwmon/zl6100 @@ -125,7 +125,7 @@ in2_label "vmon" in2_input Measured voltage on VMON (ZL2004) or VDRV (ZL9101M, ZL9117M) pin. Reported voltage is 16x the voltage on the pin (adjusted internally by the chip). -in2_lcrit Critical minumum VMON/VDRV Voltage. +in2_lcrit Critical minimum VMON/VDRV Voltage. in2_crit Critical maximum VMON/VDRV voltage. in2_lcrit_alarm VMON/VDRV voltage critical low alarm. in2_crit_alarm VMON/VDRV voltage critical high alarm. diff --git a/Documentation/ia64/err_inject.txt b/Documentation/ia64/err_inject.txt index 223e4f0582d0..9f651c181429 100644 --- a/Documentation/ia64/err_inject.txt +++ b/Documentation/ia64/err_inject.txt @@ -882,7 +882,7 @@ int err_inj() cpu=parameters[i].cpu; k = cpu%64; j = cpu/64; - mask[j]=1<<k; + mask[j] = 1UL << k; if (sched_setaffinity(0, MASK_SIZE*8, mask)==-1) { perror("Error sched_setaffinity:"); diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt index 3210540f8bd3..237acab169dd 100644 --- a/Documentation/ioctl/ioctl-number.txt +++ b/Documentation/ioctl/ioctl-number.txt @@ -131,6 +131,7 @@ Code Seq#(hex) Include File Comments 'H' 40-4F sound/hdspm.h conflict! 'H' 40-4F sound/hdsp.h conflict! 'H' 90 sound/usb/usx2y/usb_stream.h +'H' A0 uapi/linux/usb/cdc-wdm.h 'H' C0-F0 net/bluetooth/hci.h conflict! 'H' C0-DF net/bluetooth/hidp/hidp.h conflict! 'H' C0-DF net/bluetooth/cmtp/cmtp.h conflict! diff --git a/Documentation/iostats.txt b/Documentation/iostats.txt index c76c21d87e85..65f694f2d1c9 100644 --- a/Documentation/iostats.txt +++ b/Documentation/iostats.txt @@ -71,6 +71,8 @@ Field 4 -- # of milliseconds spent reading measured from __make_request() to end_that_request_last()). Field 5 -- # of writes completed This is the total number of writes completed successfully. +Field 6 -- # of writes merged + See the description of field 2. Field 7 -- # of sectors written This is the total number of sectors written successfully. Field 8 -- # of milliseconds spent writing diff --git a/Documentation/kdump/kdump.txt b/Documentation/kdump/kdump.txt index 13f1aa09b938..9c7fd988e299 100644 --- a/Documentation/kdump/kdump.txt +++ b/Documentation/kdump/kdump.txt @@ -297,6 +297,7 @@ Boot into System Kernel On ia64, 256M@256M is a generous value that typically works. The region may be automatically placed on ia64, see the dump-capture kernel config option notes above. + If use sparse memory, the size should be rounded to GRANULE boundaries. On s390x, typically use "crashkernel=xxM". The value of xx is dependent on the memory consumption of the kdump system. In general this is not diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 8ccbf27aead4..9653cf2f9727 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -44,6 +44,8 @@ parameter is applicable: AVR32 AVR32 architecture is enabled. AX25 Appropriate AX.25 support is enabled. BLACKFIN Blackfin architecture is enabled. + CLK Common clock infrastructure is enabled. + CMA Contiguous Memory Area support is enabled. DRM Direct Rendering Management support is enabled. DYNAMIC_DEBUG Build in debug messages and enable them at runtime EDD BIOS Enhanced Disk Drive Services (EDD) is enabled @@ -320,6 +322,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted. on: enable for both 32- and 64-bit processes off: disable for both 32- and 64-bit processes + alloc_snapshot [FTRACE] + Allocate the ftrace snapshot buffer on boot up when the + main buffer is allocated. This is handy if debugging + and you need to use tracing_snapshot() on boot up, and + do not want to use tracing_snapshot_alloc() as it needs + to be done where GFP_KERNEL allocations are allowed. + amd_iommu= [HW,X86-64] Pass parameters to the AMD IOMMU driver in the system. Possible values are: @@ -465,6 +474,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted. cio_ignore= [S390] See Documentation/s390/CommonIO for details. + clk_ignore_unused + [CLK] + Keep all clocks already enabled by bootloader on, + even if no driver has claimed them. This is useful + for debug and development, but should not be + needed on a platform with proper driver support. + For more information, see Documentation/clk.txt. clock= [BUGS=X86-32, HW] gettimeofday clocksource override. [Deprecated] @@ -774,19 +790,31 @@ bytes respectively. Such letter suffixes can also be entirely omitted. (mmio) or 32-bit (mmio32). The options are the same as for ttyS, above. - earlyprintk= [X86,SH,BLACKFIN] + earlyprintk= [X86,SH,BLACKFIN,ARM] earlyprintk=vga earlyprintk=xen earlyprintk=serial[,ttySn[,baudrate]] + earlyprintk=serial[,0x...[,baudrate]] earlyprintk=ttySn[,baudrate] earlyprintk=dbgp[debugController#] + earlyprintk is useful when the kernel crashes before + the normal console is initialized. It is not enabled by + default because it has some cosmetic problems. + Append ",keep" to not disable it when the real console takes over. Only vga or serial or usb debug port at a time. - Currently only ttyS0 and ttyS1 are supported. + Currently only ttyS0 and ttyS1 may be specified by + name. Other I/O ports may be explicitly specified + on some architectures (x86 and arm at least) by + replacing ttySn with an I/O port address, like this: + earlyprintk=serial,0x1008,115200 + You can find the port for a given device in + /proc/tty/driver/serial: + 2: uart:ST16650V2 port:00001008 irq:18 ... Interaction with the standard serial driver is not very good. @@ -1648,7 +1676,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. module.sig_enforce [KNL] When CONFIG_MODULE_SIG is set, this means that modules without (valid) signatures will fail to load. - Note that if CONFIG_MODULE_SIG_ENFORCE is set, that + Note that if CONFIG_MODULE_SIG_FORCE is set, that is always true, so this option does nothing. mousedev.tap_time= @@ -1997,8 +2025,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted. noreplace-smp [X86-32,SMP] Don't replace SMP instructions with UP alternatives - noresidual [PPC] Don't use residual data on PReP machines. - nordrand [X86] Disable the direct use of the RDRAND instruction even if it is supported by the processor. RDRAND is still available to user @@ -2484,9 +2510,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. In kernels built with CONFIG_RCU_NOCB_CPU=y, set the specified list of CPUs to be no-callback CPUs. Invocation of these CPUs' RCU callbacks will - be offloaded to "rcuoN" kthreads created for - that purpose. This reduces OS jitter on the + be offloaded to "rcuox/N" kthreads created for + that purpose, where "x" is "b" for RCU-bh, "p" + for RCU-preempt, and "s" for RCU-sched, and "N" + is the CPU number. This reduces OS jitter on the offloaded CPUs, which can be useful for HPC and + real-time workloads. It can also improve energy efficiency for asymmetric multiprocessors. @@ -2510,6 +2539,17 @@ bytes respectively. Such letter suffixes can also be entirely omitted. leaf rcu_node structure. Useful for very large systems. + rcutree.jiffies_till_first_fqs= [KNL,BOOT] + Set delay from grace-period initialization to + first attempt to force quiescent states. + Units are jiffies, minimum value is zero, + and maximum value is HZ. + + rcutree.jiffies_till_next_fqs= [KNL,BOOT] + Set delay between subsequent attempts to force + quiescent states. Units are jiffies, minimum + value is one, and maximum value is HZ. + rcutree.qhimark= [KNL,BOOT] Set threshold of queued RCU callbacks over which batch limiting is disabled. @@ -2524,16 +2564,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted. rcutree.rcu_cpu_stall_timeout= [KNL,BOOT] Set timeout for RCU CPU stall warning messages. - rcutree.jiffies_till_first_fqs= [KNL,BOOT] - Set delay from grace-period initialization to - first attempt to force quiescent states. - Units are jiffies, minimum value is zero, - and maximum value is HZ. + rcutree.rcu_idle_gp_delay= [KNL,BOOT] + Set wakeup interval for idle CPUs that have + RCU callbacks (RCU_FAST_NO_HZ=y). - rcutree.jiffies_till_next_fqs= [KNL,BOOT] - Set delay between subsequent attempts to force - quiescent states. Units are jiffies, minimum - value is one, and maximum value is HZ. + rcutree.rcu_idle_lazy_gp_delay= [KNL,BOOT] + Set wakeup interval for idle CPUs that have + only "lazy" RCU callbacks (RCU_FAST_NO_HZ=y). + Lazy RCU callbacks are those which RCU can + prove do nothing more than free memory. rcutorture.fqs_duration= [KNL,BOOT] Set duration of force_quiescent_state bursts. @@ -2686,6 +2725,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted. Useful for devices that are detected asynchronously (e.g. USB and MMC devices). + rproc_mem=nn[KMG][@address] + [KNL,ARM,CMA] Remoteproc physical memory block. + Memory area to be used by remote processor image, + managed by CMA. + rw [KNL] Mount root device read-write on boot S [KNL] Run init in single mode @@ -3245,6 +3289,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted. or other driver-specific files in the Documentation/watchdog/ directory. + workqueue.disable_numa + By default, all work items queued to unbound + workqueues are affine to the NUMA nodes they're + issued on, which results in better behavior in + general. If NUMA affinity needs to be disabled for + whatever reason, this option can be used. Note + that this also can be controlled per-workqueue for + workqueues visible under /sys/bus/workqueue/. + x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of default x2apic cluster mode on platforms supporting x2apic. diff --git a/Documentation/md.txt b/Documentation/md.txt index 993fba37b7d1..e0ddd327632d 100644 --- a/Documentation/md.txt +++ b/Documentation/md.txt @@ -119,7 +119,7 @@ device to add. The array is started with the RUN_ARRAY ioctl. Once started, new devices can be added. They should have an -appropriate superblock written to them, and then passed be in with +appropriate superblock written to them, and then be passed in with ADD_NEW_DISK. Devices that have failed or are not yet active can be detached from an @@ -131,7 +131,7 @@ Specific Rules that apply to format-0 super block arrays, and ------------------------------------------------------------- An array can be 'created' by describing the array (level, chunksize -etc) in a SET_ARRAY_INFO ioctl. This must has major_version==0 and +etc) in a SET_ARRAY_INFO ioctl. This must have major_version==0 and raid_disks != 0. Then uninitialized devices can be added with ADD_NEW_DISK. The @@ -426,7 +426,7 @@ Each directory contains: offset This gives the location in the device (in sectors from the start) where data from the array will be stored. Any part of - the device before this offset us not touched, unless it is + the device before this offset is not touched, unless it is used for storing metadata (Formats 1.1 and 1.2). size @@ -440,7 +440,7 @@ Each directory contains: When the device is not 'in_sync', this records the number of sectors from the start of the device which are known to be correct. This is normally zero, but during a recovery - operation is will steadily increase, and if the recovery is + operation it will steadily increase, and if the recovery is interrupted, restoring this value can cause recovery to avoid repeating the earlier blocks. With v1.x metadata, this value is saved and restored automatically. @@ -468,7 +468,7 @@ Each directory contains: -An active md device will also contain and entry for each active device +An active md device will also contain an entry for each active device in the array. These are named rdNN @@ -482,7 +482,7 @@ will show 'in_sync' on every line. -Active md devices for levels that support data redundancy (1,4,5,6) +Active md devices for levels that support data redundancy (1,4,5,6,10) also have sync_action @@ -494,7 +494,7 @@ also have failed/missing device idle - nothing is happening check - A full check of redundancy was requested and is - happening. This reads all block and checks + happening. This reads all blocks and checks them. A repair may also happen for some raid levels. repair - A full check and repair is happening. This is @@ -522,7 +522,7 @@ also have degraded This contains a count of the number of devices by which the - arrays is degraded. So an optimal array with show '0'. A + arrays is degraded. So an optimal array will show '0'. A single failed/missing drive will show '1', etc. This file responds to select/poll, any increase or decrease in the count of missing devices will trigger an event. diff --git a/Documentation/misc-devices/mei/mei-client-bus.txt b/Documentation/misc-devices/mei/mei-client-bus.txt new file mode 100644 index 000000000000..f83910a8ce76 --- /dev/null +++ b/Documentation/misc-devices/mei/mei-client-bus.txt @@ -0,0 +1,138 @@ +Intel(R) Management Engine (ME) Client bus API +=============================================== + + +Rationale +========= +MEI misc character device is useful for dedicated applications to send and receive +data to the many FW appliance found in Intel's ME from the user space. +However for some of the ME functionalities it make sense to leverage existing software +stack and expose them through existing kernel subsystems. + +In order to plug seamlessly into the kernel device driver model we add kernel virtual +bus abstraction on top of the MEI driver. This allows implementing linux kernel drivers +for the various MEI features as a stand alone entities found in their respective subsystem. +Existing device drivers can even potentially be re-used by adding an MEI CL bus layer to +the existing code. + + +MEI CL bus API +=========== +A driver implementation for an MEI Client is very similar to existing bus +based device drivers. The driver registers itself as an MEI CL bus driver through +the mei_cl_driver structure: + +struct mei_cl_driver { + struct device_driver driver; + const char *name; + + const struct mei_cl_device_id *id_table; + + int (*probe)(struct mei_cl_device *dev, const struct mei_cl_id *id); + int (*remove)(struct mei_cl_device *dev); +}; + +struct mei_cl_id { + char name[MEI_NAME_SIZE]; + kernel_ulong_t driver_info; +}; + +The mei_cl_id structure allows the driver to bind itself against a device name. + +To actually register a driver on the ME Client bus one must call the mei_cl_add_driver() +API. This is typically called at module init time. + +Once registered on the ME Client bus, a driver will typically try to do some I/O on +this bus and this should be done through the mei_cl_send() and mei_cl_recv() +routines. The latter is synchronous (blocks and sleeps until data shows up). +In order for drivers to be notified of pending events waiting for them (e.g. +an Rx event) they can register an event handler through the +mei_cl_register_event_cb() routine. Currently only the MEI_EVENT_RX event +will trigger an event handler call and the driver implementation is supposed +to call mei_recv() from the event handler in order to fetch the pending +received buffers. + + +Example +======= +As a theoretical example let's pretend the ME comes with a "contact" NFC IP. +The driver init and exit routines for this device would look like: + +#define CONTACT_DRIVER_NAME "contact" + +static struct mei_cl_device_id contact_mei_cl_tbl[] = { + { CONTACT_DRIVER_NAME, }, + + /* required last entry */ + { } +}; +MODULE_DEVICE_TABLE(mei_cl, contact_mei_cl_tbl); + +static struct mei_cl_driver contact_driver = { + .id_table = contact_mei_tbl, + .name = CONTACT_DRIVER_NAME, + + .probe = contact_probe, + .remove = contact_remove, +}; + +static int contact_init(void) +{ + int r; + + r = mei_cl_driver_register(&contact_driver); + if (r) { + pr_err(CONTACT_DRIVER_NAME ": driver registration failed\n"); + return r; + } + + return 0; +} + +static void __exit contact_exit(void) +{ + mei_cl_driver_unregister(&contact_driver); +} + +module_init(contact_init); +module_exit(contact_exit); + +And the driver's simplified probe routine would look like that: + +int contact_probe(struct mei_cl_device *dev, struct mei_cl_device_id *id) +{ + struct contact_driver *contact; + + [...] + mei_cl_enable_device(dev); + + mei_cl_register_event_cb(dev, contact_event_cb, contact); + + return 0; + } + +In the probe routine the driver first enable the MEI device and then registers +an ME bus event handler which is as close as it can get to registering a +threaded IRQ handler. +The handler implementation will typically call some I/O routine depending on +the pending events: + +#define MAX_NFC_PAYLOAD 128 + +static void contact_event_cb(struct mei_cl_device *dev, u32 events, + void *context) +{ + struct contact_driver *contact = context; + + if (events & BIT(MEI_EVENT_RX)) { + u8 payload[MAX_NFC_PAYLOAD]; + int payload_size; + + payload_size = mei_recv(dev, payload, MAX_NFC_PAYLOAD); + if (payload_size <= 0) + return; + + /* Hook to the NFC subsystem */ + nfc_hci_recv_frame(contact->hdev, payload, payload_size); + } +} diff --git a/Documentation/networking/ieee802154.txt b/Documentation/networking/ieee802154.txt index 703cf4370c79..67a9cb259d40 100644 --- a/Documentation/networking/ieee802154.txt +++ b/Documentation/networking/ieee802154.txt @@ -71,8 +71,9 @@ submits skb to qdisc), so if you need something from that cb later, you should store info in the skb->data on your own. To hook the MLME interface you have to populate the ml_priv field of your -net_device with a pointer to struct ieee802154_mlme_ops instance. All fields are -required. +net_device with a pointer to struct ieee802154_mlme_ops instance. The fields +assoc_req, assoc_resp, disassoc_req, start_req, and scan_req are optional. +All other fields are required. We provide an example of simple HardMAC driver at drivers/ieee802154/fakehard.c diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index dc2dc87d2557..f98ca633b528 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -29,7 +29,7 @@ route/max_size - INTEGER neigh/default/gc_thresh1 - INTEGER Minimum number of entries to keep. Garbage collector will not purge entries if there are fewer than this number. - Default: 256 + Default: 128 neigh/default/gc_thresh3 - INTEGER Maximum number of neighbor entries allowed. Increase this @@ -175,14 +175,6 @@ tcp_congestion_control - STRING is inherited. [see setsockopt(listenfd, SOL_TCP, TCP_CONGESTION, "name" ...) ] -tcp_cookie_size - INTEGER - Default size of TCP Cookie Transactions (TCPCT) option, that may be - overridden on a per socket basis by the TCPCT socket option. - Values greater than the maximum (16) are interpreted as the maximum. - Values greater than zero and less than the minimum (8) are interpreted - as the minimum. Odd values are interpreted as the next even value. - Default: 0 (off). - tcp_dsack - BOOLEAN Allows TCP to send "duplicate" SACKs. @@ -190,7 +182,9 @@ tcp_early_retrans - INTEGER Enable Early Retransmit (ER), per RFC 5827. ER lowers the threshold for triggering fast retransmit when the amount of outstanding data is small and when no previously unsent data can be transmitted (such - that limited transmit could be used). + that limited transmit could be used). Also controls the use of + Tail loss probe (TLP) that converts RTOs occuring due to tail + losses into fast recovery (draft-dukkipati-tcpm-tcp-loss-probe-01). Possible values: 0 disables ER 1 enables ER @@ -198,7 +192,9 @@ tcp_early_retrans - INTEGER by a fourth of RTT. This mitigates connection falsely recovers when network has a small degree of reordering (less than 3 packets). - Default: 2 + 3 enables delayed ER and TLP. + 4 enables TLP only. + Default: 3 tcp_ecn - INTEGER Control use of Explicit Congestion Notification (ECN) by TCP. @@ -229,36 +225,13 @@ tcp_fin_timeout - INTEGER Default: 60 seconds tcp_frto - INTEGER - Enables Forward RTO-Recovery (F-RTO) defined in RFC4138. + Enables Forward RTO-Recovery (F-RTO) defined in RFC5682. F-RTO is an enhanced recovery algorithm for TCP retransmission - timeouts. It is particularly beneficial in wireless environments - where packet loss is typically due to random radio interference - rather than intermediate router congestion. F-RTO is sender-side - only modification. Therefore it does not require any support from - the peer. - - If set to 1, basic version is enabled. 2 enables SACK enhanced - F-RTO if flow uses SACK. The basic version can be used also when - SACK is in use though scenario(s) with it exists where F-RTO - interacts badly with the packet counting of the SACK enabled TCP - flow. - -tcp_frto_response - INTEGER - When F-RTO has detected that a TCP retransmission timeout was - spurious (i.e, the timeout would have been avoided had TCP set a - longer retransmission timeout), TCP has several options what to do - next. Possible values are: - 0 Rate halving based; a smooth and conservative response, - results in halved cwnd and ssthresh after one RTT - 1 Very conservative response; not recommended because even - though being valid, it interacts poorly with the rest of - Linux TCP, halves cwnd and ssthresh immediately - 2 Aggressive response; undoes congestion control measures - that are now known to be unnecessary (ignoring the - possibility of a lost retransmission that would require - TCP to be more cautious), cwnd and ssthresh are restored - to the values prior timeout - Default: 0 (rate halving based) + timeouts. It is particularly beneficial in networks where the + RTT fluctuates (e.g., wireless). F-RTO is sender-side only + modification. It does not require any support from the peer. + + By default it's enabled with a non-zero value. 0 disables F-RTO. tcp_keepalive_time - INTEGER How often TCP sends out keepalive messages when keepalive is enabled. diff --git a/Documentation/networking/netlink_mmap.txt b/Documentation/networking/netlink_mmap.txt new file mode 100644 index 000000000000..1c2dab409625 --- /dev/null +++ b/Documentation/networking/netlink_mmap.txt @@ -0,0 +1,339 @@ +This file documents how to use memory mapped I/O with netlink. + +Author: Patrick McHardy <kaber@trash.net> + +Overview +-------- + +Memory mapped netlink I/O can be used to increase throughput and decrease +overhead of unicast receive and transmit operations. Some netlink subsystems +require high throughput, these are mainly the netfilter subsystems +nfnetlink_queue and nfnetlink_log, but it can also help speed up large +dump operations of f.i. the routing database. + +Memory mapped netlink I/O used two circular ring buffers for RX and TX which +are mapped into the processes address space. + +The RX ring is used by the kernel to directly construct netlink messages into +user-space memory without copying them as done with regular socket I/O, +additionally as long as the ring contains messages no recvmsg() or poll() +syscalls have to be issued by user-space to get more message. + +The TX ring is used to process messages directly from user-space memory, the +kernel processes all messages contained in the ring using a single sendmsg() +call. + +Usage overview +-------------- + +In order to use memory mapped netlink I/O, user-space needs three main changes: + +- ring setup +- conversion of the RX path to get messages from the ring instead of recvmsg() +- conversion of the TX path to construct messages into the ring + +Ring setup is done using setsockopt() to provide the ring parameters to the +kernel, then a call to mmap() to map the ring into the processes address space: + +- setsockopt(fd, SOL_NETLINK, NETLINK_RX_RING, ¶ms, sizeof(params)); +- setsockopt(fd, SOL_NETLINK, NETLINK_TX_RING, ¶ms, sizeof(params)); +- ring = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0) + +Usage of either ring is optional, but even if only the RX ring is used the +mapping still needs to be writable in order to update the frame status after +processing. + +Conversion of the reception path involves calling poll() on the file +descriptor, once the socket is readable the frames from the ring are +processsed in order until no more messages are available, as indicated by +a status word in the frame header. + +On kernel side, in order to make use of memory mapped I/O on receive, the +originating netlink subsystem needs to support memory mapped I/O, otherwise +it will use an allocated socket buffer as usual and the contents will be + copied to the ring on transmission, nullifying most of the performance gains. +Dumps of kernel databases automatically support memory mapped I/O. + +Conversion of the transmit path involves changing message contruction to +use memory from the TX ring instead of (usually) a buffer declared on the +stack and setting up the frame header approriately. Optionally poll() can +be used to wait for free frames in the TX ring. + +Structured and definitions for using memory mapped I/O are contained in +<linux/netlink.h>. + +RX and TX rings +---------------- + +Each ring contains a number of continous memory blocks, containing frames of +fixed size dependant on the parameters used for ring setup. + +Ring: [ block 0 ] + [ frame 0 ] + [ frame 1 ] + [ block 1 ] + [ frame 2 ] + [ frame 3 ] + ... + [ block n ] + [ frame 2 * n ] + [ frame 2 * n + 1 ] + +The blocks are only visible to the kernel, from the point of view of user-space +the ring just contains the frames in a continous memory zone. + +The ring parameters used for setting up the ring are defined as follows: + +struct nl_mmap_req { + unsigned int nm_block_size; + unsigned int nm_block_nr; + unsigned int nm_frame_size; + unsigned int nm_frame_nr; +}; + +Frames are grouped into blocks, where each block is a continous region of memory +and holds nm_block_size / nm_frame_size frames. The total number of frames in +the ring is nm_frame_nr. The following invariants hold: + +- frames_per_block = nm_block_size / nm_frame_size + +- nm_frame_nr = frames_per_block * nm_block_nr + +Some parameters are constrained, specifically: + +- nm_block_size must be a multiple of the architectures memory page size. + The getpagesize() function can be used to get the page size. + +- nm_frame_size must be equal or larger to NL_MMAP_HDRLEN, IOW a frame must be + able to hold at least the frame header + +- nm_frame_size must be smaller or equal to nm_block_size + +- nm_frame_size must be a multiple of NL_MMAP_MSG_ALIGNMENT + +- nm_frame_nr must equal the actual number of frames as specified above. + +When the kernel can't allocate phsyically continous memory for a ring block, +it will fall back to use physically discontinous memory. This might affect +performance negatively, in order to avoid this the nm_frame_size parameter +should be chosen to be as small as possible for the required frame size and +the number of blocks should be increased instead. + +Ring frames +------------ + +Each frames contain a frame header, consisting of a synchronization word and some +meta-data, and the message itself. + +Frame: [ header message ] + +The frame header is defined as follows: + +struct nl_mmap_hdr { + unsigned int nm_status; + unsigned int nm_len; + __u32 nm_group; + /* credentials */ + __u32 nm_pid; + __u32 nm_uid; + __u32 nm_gid; +}; + +- nm_status is used for synchronizing processing between the kernel and user- + space and specifies ownership of the frame as well as the operation to perform + +- nm_len contains the length of the message contained in the data area + +- nm_group specified the destination multicast group of message + +- nm_pid, nm_uid and nm_gid contain the netlink pid, UID and GID of the sending + process. These values correspond to the data available using SOCK_PASSCRED in + the SCM_CREDENTIALS cmsg. + +The possible values in the status word are: + +- NL_MMAP_STATUS_UNUSED: + RX ring: frame belongs to the kernel and contains no message + for user-space. Approriate action is to invoke poll() + to wait for new messages. + + TX ring: frame belongs to user-space and can be used for + message construction. + +- NL_MMAP_STATUS_RESERVED: + RX ring only: frame is currently used by the kernel for message + construction and contains no valid message yet. + Appropriate action is to invoke poll() to wait for + new messages. + +- NL_MMAP_STATUS_VALID: + RX ring: frame contains a valid message. Approriate action is + to process the message and release the frame back to + the kernel by setting the status to + NL_MMAP_STATUS_UNUSED or queue the frame by setting the + status to NL_MMAP_STATUS_SKIP. + + TX ring: the frame contains a valid message from user-space to + be processed by the kernel. After completing processing + the kernel will release the frame back to user-space by + setting the status to NL_MMAP_STATUS_UNUSED. + +- NL_MMAP_STATUS_COPY: + RX ring only: a message is ready to be processed but could not be + stored in the ring, either because it exceeded the + frame size or because the originating subsystem does + not support memory mapped I/O. Appropriate action is + to invoke recvmsg() to receive the message and release + the frame back to the kernel by setting the status to + NL_MMAP_STATUS_UNUSED. + +- NL_MMAP_STATUS_SKIP: + RX ring only: user-space queued the message for later processing, but + processed some messages following it in the ring. The + kernel should skip this frame when looking for unused + frames. + +The data area of a frame begins at a offset of NL_MMAP_HDRLEN relative to the +frame header. + +TX limitations +-------------- + +Kernel processing usually involves validation of the message received by +user-space, then processing its contents. The kernel must assure that +userspace is not able to modify the message contents after they have been +validated. In order to do so, the message is copied from the ring frame +to an allocated buffer if either of these conditions is false: + +- only a single mapping of the ring exists +- the file descriptor is not shared between processes + +This means that for threaded programs, the kernel will fall back to copying. + +Example +------- + +Ring setup: + + unsigned int block_size = 16 * getpagesize(); + struct nl_mmap_req req = { + .nm_block_size = block_size, + .nm_block_nr = 64, + .nm_frame_size = 16384, + .nm_frame_nr = 64 * block_size / 16384, + }; + unsigned int ring_size; + void *rx_ring, *tx_ring; + + /* Configure ring parameters */ + if (setsockopt(fd, NETLINK_RX_RING, &req, sizeof(req)) < 0) + exit(1); + if (setsockopt(fd, NETLINK_TX_RING, &req, sizeof(req)) < 0) + exit(1) + + /* Calculate size of each invididual ring */ + ring_size = req.nm_block_nr * req.nm_block_size; + + /* Map RX/TX rings. The TX ring is located after the RX ring */ + rx_ring = mmap(NULL, 2 * ring_size, PROT_READ | PROT_WRITE, + MAP_SHARED, fd, 0); + if ((long)rx_ring == -1L) + exit(1); + tx_ring = rx_ring + ring_size: + +Message reception: + +This example assumes some ring parameters of the ring setup are available. + + unsigned int frame_offset = 0; + struct nl_mmap_hdr *hdr; + struct nlmsghdr *nlh; + unsigned char buf[16384]; + ssize_t len; + + while (1) { + struct pollfd pfds[1]; + + pfds[0].fd = fd; + pfds[0].events = POLLIN | POLLERR; + pfds[0].revents = 0; + + if (poll(pfds, 1, -1) < 0 && errno != -EINTR) + exit(1); + + /* Check for errors. Error handling omitted */ + if (pfds[0].revents & POLLERR) + <handle error> + + /* If no new messages, poll again */ + if (!(pfds[0].revents & POLLIN)) + continue; + + /* Process all frames */ + while (1) { + /* Get next frame header */ + hdr = rx_ring + frame_offset; + + if (hdr->nm_status == NL_MMAP_STATUS_VALID) + /* Regular memory mapped frame */ + nlh = (void *hdr) + NL_MMAP_HDRLEN; + len = hdr->nm_len; + + /* Release empty message immediately. May happen + * on error during message construction. + */ + if (len == 0) + goto release; + } else if (hdr->nm_status == NL_MMAP_STATUS_COPY) { + /* Frame queued to socket receive queue */ + len = recv(fd, buf, sizeof(buf), MSG_DONTWAIT); + if (len <= 0) + break; + nlh = buf; + } else + /* No more messages to process, continue polling */ + break; + + process_msg(nlh); +release: + /* Release frame back to the kernel */ + hdr->nm_status = NL_MMAP_STATUS_UNUSED; + + /* Advance frame offset to next frame */ + frame_offset = (frame_offset + frame_size) % ring_size; + } + } + +Message transmission: + +This example assumes some ring parameters of the ring setup are available. +A single message is constructed and transmitted, to send multiple messages +at once they would be constructed in consecutive frames before a final call +to sendto(). + + unsigned int frame_offset = 0; + struct nl_mmap_hdr *hdr; + struct nlmsghdr *nlh; + struct sockaddr_nl addr = { + .nl_family = AF_NETLINK, + }; + + hdr = tx_ring + frame_offset; + if (hdr->nm_status != NL_MMAP_STATUS_UNUSED) + /* No frame available. Use poll() to avoid. */ + exit(1); + + nlh = (void *)hdr + NL_MMAP_HDRLEN; + + /* Build message */ + build_message(nlh); + + /* Fill frame header: length and status need to be set */ + hdr->nm_len = nlh->nlmsg_len; + hdr->nm_status = NL_MMAP_STATUS_VALID; + + if (sendto(fd, NULL, 0, 0, &addr, sizeof(addr)) < 0) + exit(1); + + /* Advance frame offset to next frame */ + frame_offset = (frame_offset + frame_size) % ring_size; diff --git a/Documentation/networking/packet_mmap.txt b/Documentation/networking/packet_mmap.txt index 94444b152fbc..23dd80e82b8e 100644 --- a/Documentation/networking/packet_mmap.txt +++ b/Documentation/networking/packet_mmap.txt @@ -685,14 +685,342 @@ int main(int argc, char **argp) } ------------------------------------------------------------------------------- ++ AF_PACKET TPACKET_V3 example +------------------------------------------------------------------------------- + +AF_PACKET's TPACKET_V3 ring buffer can be configured to use non-static frame +sizes by doing it's own memory management. It is based on blocks where polling +works on a per block basis instead of per ring as in TPACKET_V2 and predecessor. + +It is said that TPACKET_V3 brings the following benefits: + *) ~15 - 20% reduction in CPU-usage + *) ~20% increase in packet capture rate + *) ~2x increase in packet density + *) Port aggregation analysis + *) Non static frame size to capture entire packet payload + +So it seems to be a good candidate to be used with packet fanout. + +Minimal example code by Daniel Borkmann based on Chetan Loke's lolpcap (compile +it with gcc -Wall -O2 blob.c, and try things like "./a.out eth0", etc.): + +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <assert.h> +#include <net/if.h> +#include <arpa/inet.h> +#include <netdb.h> +#include <poll.h> +#include <unistd.h> +#include <signal.h> +#include <inttypes.h> +#include <sys/socket.h> +#include <sys/mman.h> +#include <linux/if_packet.h> +#include <linux/if_ether.h> +#include <linux/ip.h> + +#define BLOCK_SIZE (1 << 22) +#define FRAME_SIZE 2048 + +#define NUM_BLOCKS 64 +#define NUM_FRAMES ((BLOCK_SIZE * NUM_BLOCKS) / FRAME_SIZE) + +#define BLOCK_RETIRE_TOV_IN_MS 64 +#define BLOCK_PRIV_AREA_SZ 13 + +#define ALIGN_8(x) (((x) + 8 - 1) & ~(8 - 1)) + +#define BLOCK_STATUS(x) ((x)->h1.block_status) +#define BLOCK_NUM_PKTS(x) ((x)->h1.num_pkts) +#define BLOCK_O2FP(x) ((x)->h1.offset_to_first_pkt) +#define BLOCK_LEN(x) ((x)->h1.blk_len) +#define BLOCK_SNUM(x) ((x)->h1.seq_num) +#define BLOCK_O2PRIV(x) ((x)->offset_to_priv) +#define BLOCK_PRIV(x) ((void *) ((uint8_t *) (x) + BLOCK_O2PRIV(x))) +#define BLOCK_HDR_LEN (ALIGN_8(sizeof(struct block_desc))) +#define BLOCK_PLUS_PRIV(sz_pri) (BLOCK_HDR_LEN + ALIGN_8((sz_pri))) + +#ifndef likely +# define likely(x) __builtin_expect(!!(x), 1) +#endif +#ifndef unlikely +# define unlikely(x) __builtin_expect(!!(x), 0) +#endif + +struct block_desc { + uint32_t version; + uint32_t offset_to_priv; + struct tpacket_hdr_v1 h1; +}; + +struct ring { + struct iovec *rd; + uint8_t *map; + struct tpacket_req3 req; +}; + +static unsigned long packets_total = 0, bytes_total = 0; +static sig_atomic_t sigint = 0; + +void sighandler(int num) +{ + sigint = 1; +} + +static int setup_socket(struct ring *ring, char *netdev) +{ + int err, i, fd, v = TPACKET_V3; + struct sockaddr_ll ll; + + fd = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL)); + if (fd < 0) { + perror("socket"); + exit(1); + } + + err = setsockopt(fd, SOL_PACKET, PACKET_VERSION, &v, sizeof(v)); + if (err < 0) { + perror("setsockopt"); + exit(1); + } + + memset(&ring->req, 0, sizeof(ring->req)); + ring->req.tp_block_size = BLOCK_SIZE; + ring->req.tp_frame_size = FRAME_SIZE; + ring->req.tp_block_nr = NUM_BLOCKS; + ring->req.tp_frame_nr = NUM_FRAMES; + ring->req.tp_retire_blk_tov = BLOCK_RETIRE_TOV_IN_MS; + ring->req.tp_sizeof_priv = BLOCK_PRIV_AREA_SZ; + ring->req.tp_feature_req_word |= TP_FT_REQ_FILL_RXHASH; + + err = setsockopt(fd, SOL_PACKET, PACKET_RX_RING, &ring->req, + sizeof(ring->req)); + if (err < 0) { + perror("setsockopt"); + exit(1); + } + + ring->map = mmap(NULL, ring->req.tp_block_size * ring->req.tp_block_nr, + PROT_READ | PROT_WRITE, MAP_SHARED | MAP_LOCKED, + fd, 0); + if (ring->map == MAP_FAILED) { + perror("mmap"); + exit(1); + } + + ring->rd = malloc(ring->req.tp_block_nr * sizeof(*ring->rd)); + assert(ring->rd); + for (i = 0; i < ring->req.tp_block_nr; ++i) { + ring->rd[i].iov_base = ring->map + (i * ring->req.tp_block_size); + ring->rd[i].iov_len = ring->req.tp_block_size; + } + + memset(&ll, 0, sizeof(ll)); + ll.sll_family = PF_PACKET; + ll.sll_protocol = htons(ETH_P_ALL); + ll.sll_ifindex = if_nametoindex(netdev); + ll.sll_hatype = 0; + ll.sll_pkttype = 0; + ll.sll_halen = 0; + + err = bind(fd, (struct sockaddr *) &ll, sizeof(ll)); + if (err < 0) { + perror("bind"); + exit(1); + } + + return fd; +} + +#ifdef __checked +static uint64_t prev_block_seq_num = 0; + +void assert_block_seq_num(struct block_desc *pbd) +{ + if (unlikely(prev_block_seq_num + 1 != BLOCK_SNUM(pbd))) { + printf("prev_block_seq_num:%"PRIu64", expected seq:%"PRIu64" != " + "actual seq:%"PRIu64"\n", prev_block_seq_num, + prev_block_seq_num + 1, (uint64_t) BLOCK_SNUM(pbd)); + exit(1); + } + + prev_block_seq_num = BLOCK_SNUM(pbd); +} + +static void assert_block_len(struct block_desc *pbd, uint32_t bytes, int block_num) +{ + if (BLOCK_NUM_PKTS(pbd)) { + if (unlikely(bytes != BLOCK_LEN(pbd))) { + printf("block:%u with %upackets, expected len:%u != actual len:%u\n", + block_num, BLOCK_NUM_PKTS(pbd), bytes, BLOCK_LEN(pbd)); + exit(1); + } + } else { + if (unlikely(BLOCK_LEN(pbd) != BLOCK_PLUS_PRIV(BLOCK_PRIV_AREA_SZ))) { + printf("block:%u, expected len:%lu != actual len:%u\n", + block_num, BLOCK_HDR_LEN, BLOCK_LEN(pbd)); + exit(1); + } + } +} + +static void assert_block_header(struct block_desc *pbd, const int block_num) +{ + uint32_t block_status = BLOCK_STATUS(pbd); + + if (unlikely((block_status & TP_STATUS_USER) == 0)) { + printf("block:%u, not in TP_STATUS_USER\n", block_num); + exit(1); + } + + assert_block_seq_num(pbd); +} +#else +static inline void assert_block_header(struct block_desc *pbd, const int block_num) +{ +} +static void assert_block_len(struct block_desc *pbd, uint32_t bytes, int block_num) +{ +} +#endif + +static void display(struct tpacket3_hdr *ppd) +{ + struct ethhdr *eth = (struct ethhdr *) ((uint8_t *) ppd + ppd->tp_mac); + struct iphdr *ip = (struct iphdr *) ((uint8_t *) eth + ETH_HLEN); + + if (eth->h_proto == htons(ETH_P_IP)) { + struct sockaddr_in ss, sd; + char sbuff[NI_MAXHOST], dbuff[NI_MAXHOST]; + + memset(&ss, 0, sizeof(ss)); + ss.sin_family = PF_INET; + ss.sin_addr.s_addr = ip->saddr; + getnameinfo((struct sockaddr *) &ss, sizeof(ss), + sbuff, sizeof(sbuff), NULL, 0, NI_NUMERICHOST); + + memset(&sd, 0, sizeof(sd)); + sd.sin_family = PF_INET; + sd.sin_addr.s_addr = ip->daddr; + getnameinfo((struct sockaddr *) &sd, sizeof(sd), + dbuff, sizeof(dbuff), NULL, 0, NI_NUMERICHOST); + + printf("%s -> %s, ", sbuff, dbuff); + } + + printf("rxhash: 0x%x\n", ppd->hv1.tp_rxhash); +} + +static void walk_block(struct block_desc *pbd, const int block_num) +{ + int num_pkts = BLOCK_NUM_PKTS(pbd), i; + unsigned long bytes = 0; + unsigned long bytes_with_padding = BLOCK_PLUS_PRIV(BLOCK_PRIV_AREA_SZ); + struct tpacket3_hdr *ppd; + + assert_block_header(pbd, block_num); + + ppd = (struct tpacket3_hdr *) ((uint8_t *) pbd + BLOCK_O2FP(pbd)); + for (i = 0; i < num_pkts; ++i) { + bytes += ppd->tp_snaplen; + if (ppd->tp_next_offset) + bytes_with_padding += ppd->tp_next_offset; + else + bytes_with_padding += ALIGN_8(ppd->tp_snaplen + ppd->tp_mac); + + display(ppd); + + ppd = (struct tpacket3_hdr *) ((uint8_t *) ppd + ppd->tp_next_offset); + __sync_synchronize(); + } + + assert_block_len(pbd, bytes_with_padding, block_num); + + packets_total += num_pkts; + bytes_total += bytes; +} + +void flush_block(struct block_desc *pbd) +{ + BLOCK_STATUS(pbd) = TP_STATUS_KERNEL; + __sync_synchronize(); +} + +static void teardown_socket(struct ring *ring, int fd) +{ + munmap(ring->map, ring->req.tp_block_size * ring->req.tp_block_nr); + free(ring->rd); + close(fd); +} + +int main(int argc, char **argp) +{ + int fd, err; + socklen_t len; + struct ring ring; + struct pollfd pfd; + unsigned int block_num = 0; + struct block_desc *pbd; + struct tpacket_stats_v3 stats; + + if (argc != 2) { + fprintf(stderr, "Usage: %s INTERFACE\n", argp[0]); + return EXIT_FAILURE; + } + + signal(SIGINT, sighandler); + + memset(&ring, 0, sizeof(ring)); + fd = setup_socket(&ring, argp[argc - 1]); + assert(fd > 0); + + memset(&pfd, 0, sizeof(pfd)); + pfd.fd = fd; + pfd.events = POLLIN | POLLERR; + pfd.revents = 0; + + while (likely(!sigint)) { + pbd = (struct block_desc *) ring.rd[block_num].iov_base; +retry_block: + if ((BLOCK_STATUS(pbd) & TP_STATUS_USER) == 0) { + poll(&pfd, 1, -1); + goto retry_block; + } + + walk_block(pbd, block_num); + flush_block(pbd); + block_num = (block_num + 1) % NUM_BLOCKS; + } + + len = sizeof(stats); + err = getsockopt(fd, SOL_PACKET, PACKET_STATISTICS, &stats, &len); + if (err < 0) { + perror("getsockopt"); + exit(1); + } + + fflush(stdout); + printf("\nReceived %u packets, %lu bytes, %u dropped, freeze_q_cnt: %u\n", + stats.tp_packets, bytes_total, stats.tp_drops, + stats.tp_freeze_q_cnt); + + teardown_socket(&ring, fd); + return 0; +} + +------------------------------------------------------------------------------- + PACKET_TIMESTAMP ------------------------------------------------------------------------------- The PACKET_TIMESTAMP setting determines the source of the timestamp in -the packet meta information. If your NIC is capable of timestamping -packets in hardware, you can request those hardware timestamps to used. -Note: you may need to enable the generation of hardware timestamps with -SIOCSHWTSTAMP. +the packet meta information for mmap(2)ed RX_RING and TX_RINGs. If your +NIC is capable of timestamping packets in hardware, you can request those +hardware timestamps to be used. Note: you may need to enable the generation +of hardware timestamps with SIOCSHWTSTAMP (see related information from +Documentation/networking/timestamping.txt). PACKET_TIMESTAMP accepts the same integer bit field as SO_TIMESTAMPING. However, only the SOF_TIMESTAMPING_SYS_HARDWARE @@ -704,8 +1032,36 @@ SOF_TIMESTAMPING_RAW_HARDWARE if both bits are set. req |= SOF_TIMESTAMPING_SYS_HARDWARE; setsockopt(fd, SOL_PACKET, PACKET_TIMESTAMP, (void *) &req, sizeof(req)) -If PACKET_TIMESTAMP is not set, a software timestamp generated inside -the networking stack is used (the behavior before this setting was added). +For the mmap(2)ed ring buffers, such timestamps are stored in the +tpacket{,2,3}_hdr structure's tp_sec and tp_{n,u}sec members. To determine +what kind of timestamp has been reported, the tp_status field is binary |'ed +with the following possible bits ... + + TP_STATUS_TS_SYS_HARDWARE + TP_STATUS_TS_RAW_HARDWARE + TP_STATUS_TS_SOFTWARE + +... that are equivalent to its SOF_TIMESTAMPING_* counterparts. For the +RX_RING, if none of those 3 are set (i.e. PACKET_TIMESTAMP is not set), +then this means that a software fallback was invoked *within* PF_PACKET's +processing code (less precise). + +Getting timestamps for the TX_RING works as follows: i) fill the ring frames, +ii) call sendto() e.g. in blocking mode, iii) wait for status of relevant +frames to be updated resp. the frame handed over to the application, iv) walk +through the frames to pick up the individual hw/sw timestamps. + +Only (!) if transmit timestamping is enabled, then these bits are combined +with binary | with TP_STATUS_AVAILABLE, so you must check for that in your +application (e.g. !(tp_status & (TP_STATUS_SEND_REQUEST | TP_STATUS_SENDING)) +in a first step to see if the frame belongs to the application, and then +one can extract the type of timestamp in a second step from tp_status)! + +If you don't care about them, thus having it disabled, checking for +TP_STATUS_AVAILABLE resp. TP_STATUS_WRONG_FORMAT is sufficient. If in the +TX_RING part only TP_STATUS_AVAILABLE is set, then the tp_sec and tp_{n,u}sec +members do not contain a valid value. For TX_RINGs, by default no timestamp +is generated! See include/linux/net_tstamp.h and Documentation/networking/timestamping for more information on hardware timestamps. diff --git a/Documentation/networking/stmmac.txt b/Documentation/networking/stmmac.txt index f9fa6db40a52..654d2e55c8cb 100644 --- a/Documentation/networking/stmmac.txt +++ b/Documentation/networking/stmmac.txt @@ -1,6 +1,6 @@ STMicroelectronics 10/100/1000 Synopsys Ethernet driver -Copyright (C) 2007-2010 STMicroelectronics Ltd +Copyright (C) 2007-2013 STMicroelectronics Ltd Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> This is the driver for the MAC 10/100/1000 on-chip Ethernet controllers @@ -10,7 +10,7 @@ Currently this network device driver is for all STM embedded MAC/GMAC (i.e. 7xxx/5xxx SoCs), SPEAr (arm), Loongson1B (mips) and XLINX XC2V3000 FF1152AMT0221 D1215994A VIRTEX FPGA board. -DWC Ether MAC 10/100/1000 Universal version 3.60a (and older) and DWC Ether +DWC Ether MAC 10/100/1000 Universal version 3.70a (and older) and DWC Ether MAC 10/100 Universal version 4.0 have been used for developing this driver. This driver supports both the platform bus and PCI. @@ -32,6 +32,8 @@ The kernel configuration option is STMMAC_ETH: watchdog: transmit timeout (in milliseconds); flow_ctrl: Flow control ability [on/off]; pause: Flow Control Pause Time; + eee_timer: tx EEE timer; + chain_mode: select chain mode instead of ring. 3) Command line options Driver parameters can be also passed in command line by using: @@ -164,12 +166,12 @@ Where: o bus_setup: perform HW setup of the bus. For example, on some ST platforms this field is used to configure the AMBA bridge to generate more efficient STBus traffic. - o init/exit: callbacks used for calling a custom initialisation; + o init/exit: callbacks used for calling a custom initialization; this is sometime necessary on some platforms (e.g. ST boxes) where the HW needs to have set some PIO lines or system cfg registers. o custom_cfg/custom_data: this is a custom configuration that can be passed - while initialising the resources. + while initializing the resources. o bsp_priv: another private poiter. For MDIO bus The we have: @@ -273,6 +275,8 @@ reset procedure etc). o norm_desc.c: functions for handling normal descriptors; o chain_mode.c/ring_mode.c:: functions to manage RING/CHAINED modes; o mmc_core.c/mmc.h: Management MAC Counters; + o stmmac_hwtstamp.c: HW timestamp support for PTP + o stmmac_ptp.c: PTP 1588 clock 5) Debug Information @@ -326,6 +330,35 @@ To enter in Tx LPI mode the driver needs to have a software timer that enable and disable the LPI mode when there is nothing to be transmitted. -7) TODO: +7) Extended descriptors +The extended descriptors give us information about the receive Ethernet payload +when it is carrying PTP packets or TCP/UDP/ICMP over IP. +These are not available on GMAC Synopsys chips older than the 3.50. +At probe time the driver will decide if these can be actually used. +This support also is mandatory for PTPv2 because the extra descriptors 6 and 7 +are used for saving the hardware timestamps. + +8) Precision Time Protocol (PTP) +The driver supports the IEEE 1588-2002, Precision Time Protocol (PTP), +which enables precise synchronization of clocks in measurement and +control systems implemented with technologies such as network +communication. + +In addition to the basic timestamp features mentioned in IEEE 1588-2002 +Timestamps, new GMAC cores support the advanced timestamp features. +IEEE 1588-2008 that can be enabled when configure the Kernel. + +9) SGMII/RGMII supports +New GMAC devices provide own way to manage RGMII/SGMII. +This information is available at run-time by looking at the +HW capability register. This means that the stmmac can manage +auto-negotiation and link status w/o using the PHYLIB stuff +In fact, the HW provides a subset of extended registers to +restart the ANE, verify Full/Half duplex mode and Speed. +Also thanks to these registers it is possible to look at the +Auto-negotiated Link Parter Ability. + +10) TODO: o XGMAC is not supported. - o Add the PTP - precision time protocol + o Complete the TBI & RTBI support. + o extened VLAN support for 3.70a SYNP GMAC. diff --git a/Documentation/pinctrl.txt b/Documentation/pinctrl.txt index a2b57e0a1db0..447fd4cd54ec 100644 --- a/Documentation/pinctrl.txt +++ b/Documentation/pinctrl.txt @@ -736,6 +736,13 @@ All the above functions are mandatory to implement for a pinmux driver. Pin control interaction with the GPIO subsystem =============================================== +Note that the following implies that the use case is to use a certain pin +from the Linux kernel using the API in <linux/gpio.h> with gpio_request() +and similar functions. There are cases where you may be using something +that your datasheet calls "GPIO mode" but actually is just an electrical +configuration for a certain device. See the section below named +"GPIO mode pitfalls" for more details on this scenario. + The public pinmux API contains two functions named pinctrl_request_gpio() and pinctrl_free_gpio(). These two functions shall *ONLY* be called from gpiolib-based drivers as part of their gpio_request() and @@ -774,6 +781,111 @@ obtain the function "gpioN" where "N" is the global GPIO pin number if no special GPIO-handler is registered. +GPIO mode pitfalls +================== + +Sometime the developer may be confused by a datasheet talking about a pin +being possible to set into "GPIO mode". It appears that what hardware +engineers mean with "GPIO mode" is not necessarily the use case that is +implied in the kernel interface <linux/gpio.h>: a pin that you grab from +kernel code and then either listen for input or drive high/low to +assert/deassert some external line. + +Rather hardware engineers think that "GPIO mode" means that you can +software-control a few electrical properties of the pin that you would +not be able to control if the pin was in some other mode, such as muxed in +for a device. + +Example: a pin is usually muxed in to be used as a UART TX line. But during +system sleep, we need to put this pin into "GPIO mode" and ground it. + +If you make a 1-to-1 map to the GPIO subsystem for this pin, you may start +to think that you need to come up with something real complex, that the +pin shall be used for UART TX and GPIO at the same time, that you will grab +a pin control handle and set it to a certain state to enable UART TX to be +muxed in, then twist it over to GPIO mode and use gpio_direction_output() +to drive it low during sleep, then mux it over to UART TX again when you +wake up and maybe even gpio_request/gpio_free as part of this cycle. This +all gets very complicated. + +The solution is to not think that what the datasheet calls "GPIO mode" +has to be handled by the <linux/gpio.h> interface. Instead view this as +a certain pin config setting. Look in e.g. <linux/pinctrl/pinconf-generic.h> +and you find this in the documentation: + + PIN_CONFIG_OUTPUT: this will configure the pin in output, use argument + 1 to indicate high level, argument 0 to indicate low level. + +So it is perfectly possible to push a pin into "GPIO mode" and drive the +line low as part of the usual pin control map. So for example your UART +driver may look like this: + +#include <linux/pinctrl/consumer.h> + +struct pinctrl *pinctrl; +struct pinctrl_state *pins_default; +struct pinctrl_state *pins_sleep; + +pins_default = pinctrl_lookup_state(uap->pinctrl, PINCTRL_STATE_DEFAULT); +pins_sleep = pinctrl_lookup_state(uap->pinctrl, PINCTRL_STATE_SLEEP); + +/* Normal mode */ +retval = pinctrl_select_state(pinctrl, pins_default); +/* Sleep mode */ +retval = pinctrl_select_state(pinctrl, pins_sleep); + +And your machine configuration may look like this: +-------------------------------------------------- + +static unsigned long uart_default_mode[] = { + PIN_CONF_PACKED(PIN_CONFIG_DRIVE_PUSH_PULL, 0), +}; + +static unsigned long uart_sleep_mode[] = { + PIN_CONF_PACKED(PIN_CONFIG_OUTPUT, 0), +}; + +static struct pinctrl_map __initdata pinmap[] = { + PIN_MAP_MUX_GROUP("uart", PINCTRL_STATE_DEFAULT, "pinctrl-foo", + "u0_group", "u0"), + PIN_MAP_CONFIGS_PIN("uart", PINCTRL_STATE_DEFAULT, "pinctrl-foo", + "UART_TX_PIN", uart_default_mode), + PIN_MAP_MUX_GROUP("uart", PINCTRL_STATE_SLEEP, "pinctrl-foo", + "u0_group", "gpio-mode"), + PIN_MAP_CONFIGS_PIN("uart", PINCTRL_STATE_SLEEP, "pinctrl-foo", + "UART_TX_PIN", uart_sleep_mode), +}; + +foo_init(void) { + pinctrl_register_mappings(pinmap, ARRAY_SIZE(pinmap)); +} + +Here the pins we want to control are in the "u0_group" and there is some +function called "u0" that can be enabled on this group of pins, and then +everything is UART business as usual. But there is also some function +named "gpio-mode" that can be mapped onto the same pins to move them into +GPIO mode. + +This will give the desired effect without any bogus interaction with the +GPIO subsystem. It is just an electrical configuration used by that device +when going to sleep, it might imply that the pin is set into something the +datasheet calls "GPIO mode" but that is not the point: it is still used +by that UART device to control the pins that pertain to that very UART +driver, putting them into modes needed by the UART. GPIO in the Linux +kernel sense are just some 1-bit line, and is a different use case. + +How the registers are poked to attain the push/pull and output low +configuration and the muxing of the "u0" or "gpio-mode" group onto these +pins is a question for the driver. + +Some datasheets will be more helpful and refer to the "GPIO mode" as +"low power mode" rather than anything to do with GPIO. This often means +the same thing electrically speaking, but in this latter case the +software engineers will usually quickly identify that this is some +specific muxing/configuration rather than anything related to the GPIO +API. + + Board/machine configuration ================================== diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt index 6e953564de03..3af5ae6c9c11 100644 --- a/Documentation/printk-formats.txt +++ b/Documentation/printk-formats.txt @@ -17,6 +17,8 @@ Symbols/Function Pointers: %pF versatile_init+0x0/0x110 %pf versatile_init %pS versatile_init+0x0/0x110 + %pSR versatile_init+0x9/0x110 + (with __builtin_extract_return_addr() translation) %ps versatile_init %pB prev_fn_of_versatile_init+0x88/0x88 diff --git a/Documentation/s390/s390dbf.txt b/Documentation/s390/s390dbf.txt index ae66f9b90a25..fcaf0b4efba2 100644 --- a/Documentation/s390/s390dbf.txt +++ b/Documentation/s390/s390dbf.txt @@ -143,7 +143,8 @@ Parameter: id: handle for debug log Return Value: none -Description: frees memory for a debug log +Description: frees memory for a debug log and removes all registered debug + views. Must not be called within an interrupt handler --------------------------------------------------------------------------- diff --git a/Documentation/security/Smack.txt b/Documentation/security/Smack.txt index 8a177e4b6e21..7a2d30c132e3 100644 --- a/Documentation/security/Smack.txt +++ b/Documentation/security/Smack.txt @@ -117,6 +117,17 @@ access2 ambient This contains the Smack label applied to unlabeled network packets. +change-rule + This interface allows modification of existing access control rules. + The format accepted on write is: + "%s %s %s %s" + where the first string is the subject label, the second the + object label, the third the access to allow and the fourth the + access to deny. The access strings may contain only the characters + "rwxat-". If a rule for a given subject and object exists it will be + modified by enabling the permissions in the third string and disabling + those in the fourth string. If there is no such rule it will be + created using the access specified in the third and the fourth strings. cipso This interface allows a specific CIPSO header to be assigned to a Smack label. The format accepted on write is: diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index 078701fdbd4d..dcc75a9ed919 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt @@ -18,6 +18,7 @@ files can be found in mm/swap.c. Currently, these files are in /proc/sys/vm: +- admin_reserve_kbytes - block_dump - compact_memory - dirty_background_bytes @@ -53,11 +54,41 @@ Currently, these files are in /proc/sys/vm: - percpu_pagelist_fraction - stat_interval - swappiness +- user_reserve_kbytes - vfs_cache_pressure - zone_reclaim_mode ============================================================== +admin_reserve_kbytes + +The amount of free memory in the system that should be reserved for users +with the capability cap_sys_admin. + +admin_reserve_kbytes defaults to min(3% of free pages, 8MB) + +That should provide enough for the admin to log in and kill a process, +if necessary, under the default overcommit 'guess' mode. + +Systems running under overcommit 'never' should increase this to account +for the full Virtual Memory Size of programs used to recover. Otherwise, +root may not be able to log in to recover the system. + +How do you calculate a minimum useful reserve? + +sshd or login + bash (or some other shell) + top (or ps, kill, etc.) + +For overcommit 'guess', we can sum resident set sizes (RSS). +On x86_64 this is about 8MB. + +For overcommit 'never', we can take the max of their virtual sizes (VSZ) +and add the sum of their RSS. +On x86_64 this is about 128MB. + +Changing this takes effect whenever an application requests memory. + +============================================================== + block_dump block_dump enables block I/O debugging when set to a nonzero value. More @@ -542,6 +573,7 @@ memory until it actually runs out. When this flag is 2, the kernel uses a "never overcommit" policy that attempts to prevent any overcommit of memory. +Note that user_reserve_kbytes affects this policy. This feature can be very useful because there are a lot of programs that malloc() huge amounts of memory "just-in-case" @@ -645,6 +677,24 @@ The default value is 60. ============================================================== +- user_reserve_kbytes + +When overcommit_memory is set to 2, "never overommit" mode, reserve +min(3% of current process size, user_reserve_kbytes) of free memory. +This is intended to prevent a user from starting a single memory hogging +process, such that they cannot recover (kill the hog). + +user_reserve_kbytes defaults to min(3% of the current process size, 128MB). + +If this is reduced to zero, then the user will be allowed to allocate +all free memory with a single process, minus admin_reserve_kbytes. +Any subsequent attempts to execute a command will result in +"fork: Cannot allocate memory". + +Changing this takes effect whenever an application requests memory. + +============================================================== + vfs_cache_pressure ------------------ diff --git a/Documentation/sysrq.txt b/Documentation/sysrq.txt index 2a4cdda4828e..8cb4d7842a5f 100644 --- a/Documentation/sysrq.txt +++ b/Documentation/sysrq.txt @@ -129,9 +129,9 @@ On all - write a character to /proc/sysrq-trigger. e.g.: * Okay, so what can I use them for? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -Well, un'R'aw is very handy when your X server or a svgalib program crashes. +Well, unraw(r) is very handy when your X server or a svgalib program crashes. -sa'K' (Secure Access Key) is useful when you want to be sure there is no +sak(k) (Secure Access Key) is useful when you want to be sure there is no trojan program running at console which could grab your password when you would try to login. It will kill all programs on given console, thus letting you make sure that the login prompt you see is actually @@ -143,20 +143,20 @@ IMPORTANT: such. :IMPORTANT useful when you want to exit a program that will not let you switch consoles. (For example, X or a svgalib program.) -re'B'oot is good when you're unable to shut down. But you should also 'S'ync -and 'U'mount first. +reboot(b) is good when you're unable to shut down. But you should also +sync(s) and umount(u) first. -'C'rash can be used to manually trigger a crashdump when the system is hung. +crash(c) can be used to manually trigger a crashdump when the system is hung. Note that this just triggers a crash if there is no dump mechanism available. -'S'ync is great when your system is locked up, it allows you to sync your +sync(s) is great when your system is locked up, it allows you to sync your disks and will certainly lessen the chance of data loss and fscking. Note that the sync hasn't taken place until you see the "OK" and "Done" appear on the screen. (If the kernel is really in strife, you may not ever get the OK or Done message...) -'U'mount is basically useful in the same ways as 'S'ync. I generally 'S'ync, -'U'mount, then re'B'oot when my system locks. It's saved me many a fsck. +umount(u) is basically useful in the same ways as sync(s). I generally sync(s), +umount(u), then reboot(b) when my system locks. It's saved me many a fsck. Again, the unmount (remount read-only) hasn't taken place until you see the "OK" and "Done" message appear on the screen. @@ -165,11 +165,11 @@ kernel messages you do not want to see. Selecting '0' will prevent all but the most urgent kernel messages from reaching your console. (They will still be logged if syslogd/klogd are alive, though.) -t'E'rm and k'I'll are useful if you have some sort of runaway process you +term(e) and kill(i) are useful if you have some sort of runaway process you are unable to kill any other way, especially if it's spawning other processes. -"'J'ust thaw it" is useful if your system becomes unresponsive due to a frozen +"just thaw it(j)" is useful if your system becomes unresponsive due to a frozen (probably root) filesystem via the FIFREEZE ioctl. * Sometimes SysRq seems to get 'stuck' after using it, what can I do? diff --git a/Documentation/this_cpu_ops.txt b/Documentation/this_cpu_ops.txt new file mode 100644 index 000000000000..1a4ce7e3e05f --- /dev/null +++ b/Documentation/this_cpu_ops.txt @@ -0,0 +1,205 @@ +this_cpu operations +------------------- + +this_cpu operations are a way of optimizing access to per cpu +variables associated with the *currently* executing processor through +the use of segment registers (or a dedicated register where the cpu +permanently stored the beginning of the per cpu area for a specific +processor). + +The this_cpu operations add a per cpu variable offset to the processor +specific percpu base and encode that operation in the instruction +operating on the per cpu variable. + +This means there are no atomicity issues between the calculation of +the offset and the operation on the data. Therefore it is not +necessary to disable preempt or interrupts to ensure that the +processor is not changed between the calculation of the address and +the operation on the data. + +Read-modify-write operations are of particular interest. Frequently +processors have special lower latency instructions that can operate +without the typical synchronization overhead but still provide some +sort of relaxed atomicity guarantee. The x86 for example can execute +RMV (Read Modify Write) instructions like inc/dec/cmpxchg without the +lock prefix and the associated latency penalty. + +Access to the variable without the lock prefix is not synchronized but +synchronization is not necessary since we are dealing with per cpu +data specific to the currently executing processor. Only the current +processor should be accessing that variable and therefore there are no +concurrency issues with other processors in the system. + +On x86 the fs: or the gs: segment registers contain the base of the +per cpu area. It is then possible to simply use the segment override +to relocate a per cpu relative address to the proper per cpu area for +the processor. So the relocation to the per cpu base is encoded in the +instruction via a segment register prefix. + +For example: + + DEFINE_PER_CPU(int, x); + int z; + + z = this_cpu_read(x); + +results in a single instruction + + mov ax, gs:[x] + +instead of a sequence of calculation of the address and then a fetch +from that address which occurs with the percpu operations. Before +this_cpu_ops such sequence also required preempt disable/enable to +prevent the kernel from moving the thread to a different processor +while the calculation is performed. + +The main use of the this_cpu operations has been to optimize counter +operations. + + this_cpu_inc(x) + +results in the following single instruction (no lock prefix!) + + inc gs:[x] + +instead of the following operations required if there is no segment +register. + + int *y; + int cpu; + + cpu = get_cpu(); + y = per_cpu_ptr(&x, cpu); + (*y)++; + put_cpu(); + +Note that these operations can only be used on percpu data that is +reserved for a specific processor. Without disabling preemption in the +surrounding code this_cpu_inc() will only guarantee that one of the +percpu counters is correctly incremented. However, there is no +guarantee that the OS will not move the process directly before or +after the this_cpu instruction is executed. In general this means that +the value of the individual counters for each processor are +meaningless. The sum of all the per cpu counters is the only value +that is of interest. + +Per cpu variables are used for performance reasons. Bouncing cache +lines can be avoided if multiple processors concurrently go through +the same code paths. Since each processor has its own per cpu +variables no concurrent cacheline updates take place. The price that +has to be paid for this optimization is the need to add up the per cpu +counters when the value of the counter is needed. + + +Special operations: +------------------- + + y = this_cpu_ptr(&x) + +Takes the offset of a per cpu variable (&x !) and returns the address +of the per cpu variable that belongs to the currently executing +processor. this_cpu_ptr avoids multiple steps that the common +get_cpu/put_cpu sequence requires. No processor number is +available. Instead the offset of the local per cpu area is simply +added to the percpu offset. + + + +Per cpu variables and offsets +----------------------------- + +Per cpu variables have *offsets* to the beginning of the percpu +area. They do not have addresses although they look like that in the +code. Offsets cannot be directly dereferenced. The offset must be +added to a base pointer of a percpu area of a processor in order to +form a valid address. + +Therefore the use of x or &x outside of the context of per cpu +operations is invalid and will generally be treated like a NULL +pointer dereference. + +In the context of per cpu operations + + x is a per cpu variable. Most this_cpu operations take a cpu + variable. + + &x is the *offset* a per cpu variable. this_cpu_ptr() takes + the offset of a per cpu variable which makes this look a bit + strange. + + + +Operations on a field of a per cpu structure +-------------------------------------------- + +Let's say we have a percpu structure + + struct s { + int n,m; + }; + + DEFINE_PER_CPU(struct s, p); + + +Operations on these fields are straightforward + + this_cpu_inc(p.m) + + z = this_cpu_cmpxchg(p.m, 0, 1); + + +If we have an offset to struct s: + + struct s __percpu *ps = &p; + + z = this_cpu_dec(ps->m); + + z = this_cpu_inc_return(ps->n); + + +The calculation of the pointer may require the use of this_cpu_ptr() +if we do not make use of this_cpu ops later to manipulate fields: + + struct s *pp; + + pp = this_cpu_ptr(&p); + + pp->m--; + + z = pp->n++; + + +Variants of this_cpu ops +------------------------- + +this_cpu ops are interrupt safe. Some architecture do not support +these per cpu local operations. In that case the operation must be +replaced by code that disables interrupts, then does the operations +that are guaranteed to be atomic and then reenable interrupts. Doing +so is expensive. If there are other reasons why the scheduler cannot +change the processor we are executing on then there is no reason to +disable interrupts. For that purpose the __this_cpu operations are +provided. For example. + + __this_cpu_inc(x); + +Will increment x and will not fallback to code that disables +interrupts on platforms that cannot accomplish atomicity through +address relocation and a Read-Modify-Write operation in the same +instruction. + + + +&this_cpu_ptr(pp)->n vs this_cpu_ptr(&pp->n) +-------------------------------------------- + +The first operation takes the offset and forms an address and then +adds the offset of the n field. + +The second one first adds the two offsets and then does the +relocation. IMHO the second form looks cleaner and has an easier time +with (). The second form also is consistent with the way +this_cpu_read() and friends are used. + + +Christoph Lameter, April 3rd, 2013 diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt index a372304aef10..bfe8c29b1f1d 100644 --- a/Documentation/trace/ftrace.txt +++ b/Documentation/trace/ftrace.txt @@ -8,6 +8,7 @@ Copyright 2008 Red Hat Inc. Reviewers: Elias Oltmanns, Randy Dunlap, Andrew Morton, John Kacur, and David Teigland. Written for: 2.6.28-rc2 +Updated for: 3.10 Introduction ------------ @@ -17,13 +18,16 @@ designers of systems to find what is going on inside the kernel. It can be used for debugging or analyzing latencies and performance issues that take place outside of user-space. -Although ftrace is the function tracer, it also includes an -infrastructure that allows for other types of tracing. Some of -the tracers that are currently in ftrace include a tracer to -trace context switches, the time it takes for a high priority -task to run after it was woken up, the time interrupts are -disabled, and more (ftrace allows for tracer plugins, which -means that the list of tracers can always grow). +Although ftrace is typically considered the function tracer, it +is really a frame work of several assorted tracing utilities. +There's latency tracing to examine what occurs between interrupts +disabled and enabled, as well as for preemption and from a time +a task is woken to the task is actually scheduled in. + +One of the most common uses of ftrace is the event tracing. +Through out the kernel is hundreds of static event points that +can be enabled via the debugfs file system to see what is +going on in certain parts of the kernel. Implementation Details @@ -61,7 +65,7 @@ the extended "/sys/kernel/debug/tracing" path name. That's it! (assuming that you have ftrace configured into your kernel) -After mounting the debugfs, you can see a directory called +After mounting debugfs, you can see a directory called "tracing". This directory contains the control and output files of ftrace. Here is a list of some of the key files: @@ -84,7 +88,9 @@ of ftrace. Here is a list of some of the key files: This sets or displays whether writing to the trace ring buffer is enabled. Echo 0 into this file to disable - the tracer or 1 to enable it. + the tracer or 1 to enable it. Note, this only disables + writing to the ring buffer, the tracing overhead may + still be occurring. trace: @@ -109,7 +115,15 @@ of ftrace. Here is a list of some of the key files: This file lets the user control the amount of data that is displayed in one of the above output - files. + files. Options also exist to modify how a tracer + or events work (stack traces, timestamps, etc). + + options: + + This is a directory that has a file for every available + trace option (also in trace_options). Options may also be set + or cleared by writing a "1" or "0" respectively into the + corresponding file with the option name. tracing_max_latency: @@ -121,10 +135,17 @@ of ftrace. Here is a list of some of the key files: latency is greater than the value in this file. (in microseconds) + tracing_thresh: + + Some latency tracers will record a trace whenever the + latency is greater than the number in this file. + Only active when the file contains a number greater than 0. + (in microseconds) + buffer_size_kb: This sets or displays the number of kilobytes each CPU - buffer can hold. The tracer buffers are the same size + buffer holds. By default, the trace buffers are the same size for each CPU. The displayed number is the size of the CPU buffer and not total size of all buffers. The trace buffers are allocated in pages (blocks of memory @@ -133,16 +154,30 @@ of ftrace. Here is a list of some of the key files: than requested, the rest of the page will be used, making the actual allocation bigger than requested. ( Note, the size may not be a multiple of the page size - due to buffer management overhead. ) + due to buffer management meta-data. ) - This can only be updated when the current_tracer - is set to "nop". + buffer_total_size_kb: + + This displays the total combined size of all the trace buffers. + + free_buffer: + + If a process is performing the tracing, and the ring buffer + should be shrunk "freed" when the process is finished, even + if it were to be killed by a signal, this file can be used + for that purpose. On close of this file, the ring buffer will + be resized to its minimum size. Having a process that is tracing + also open this file, when the process exits its file descriptor + for this file will be closed, and in doing so, the ring buffer + will be "freed". + + It may also stop tracing if disable_on_free option is set. tracing_cpumask: This is a mask that lets the user only trace - on specified CPUS. The format is a hex string - representing the CPUS. + on specified CPUs. The format is a hex string + representing the CPUs. set_ftrace_filter: @@ -183,6 +218,261 @@ of ftrace. Here is a list of some of the key files: "set_ftrace_notrace". (See the section "dynamic ftrace" below for more details.) + enabled_functions: + + This file is more for debugging ftrace, but can also be useful + in seeing if any function has a callback attached to it. + Not only does the trace infrastructure use ftrace function + trace utility, but other subsystems might too. This file + displays all functions that have a callback attached to them + as well as the number of callbacks that have been attached. + Note, a callback may also call multiple functions which will + not be listed in this count. + + If the callback registered to be traced by a function with + the "save regs" attribute (thus even more overhead), a 'R' + will be displayed on the same line as the function that + is returning registers. + + function_profile_enabled: + + When set it will enable all functions with either the function + tracer, or if enabled, the function graph tracer. It will + keep a histogram of the number of functions that were called + and if run with the function graph tracer, it will also keep + track of the time spent in those functions. The histogram + content can be displayed in the files: + + trace_stats/function<cpu> ( function0, function1, etc). + + trace_stats: + + A directory that holds different tracing stats. + + kprobe_events: + + Enable dynamic trace points. See kprobetrace.txt. + + kprobe_profile: + + Dynamic trace points stats. See kprobetrace.txt. + + max_graph_depth: + + Used with the function graph tracer. This is the max depth + it will trace into a function. Setting this to a value of + one will show only the first kernel function that is called + from user space. + + printk_formats: + + This is for tools that read the raw format files. If an event in + the ring buffer references a string (currently only trace_printk() + does this), only a pointer to the string is recorded into the buffer + and not the string itself. This prevents tools from knowing what + that string was. This file displays the string and address for + the string allowing tools to map the pointers to what the + strings were. + + saved_cmdlines: + + Only the pid of the task is recorded in a trace event unless + the event specifically saves the task comm as well. Ftrace + makes a cache of pid mappings to comms to try to display + comms for events. If a pid for a comm is not listed, then + "<...>" is displayed in the output. + + snapshot: + + This displays the "snapshot" buffer and also lets the user + take a snapshot of the current running trace. + See the "Snapshot" section below for more details. + + stack_max_size: + + When the stack tracer is activated, this will display the + maximum stack size it has encountered. + See the "Stack Trace" section below. + + stack_trace: + + This displays the stack back trace of the largest stack + that was encountered when the stack tracer is activated. + See the "Stack Trace" section below. + + stack_trace_filter: + + This is similar to "set_ftrace_filter" but it limits what + functions the stack tracer will check. + + trace_clock: + + Whenever an event is recorded into the ring buffer, a + "timestamp" is added. This stamp comes from a specified + clock. By default, ftrace uses the "local" clock. This + clock is very fast and strictly per cpu, but on some + systems it may not be monotonic with respect to other + CPUs. In other words, the local clocks may not be in sync + with local clocks on other CPUs. + + Usual clocks for tracing: + + # cat trace_clock + [local] global counter x86-tsc + + local: Default clock, but may not be in sync across CPUs + + global: This clock is in sync with all CPUs but may + be a bit slower than the local clock. + + counter: This is not a clock at all, but literally an atomic + counter. It counts up one by one, but is in sync + with all CPUs. This is useful when you need to + know exactly the order events occurred with respect to + each other on different CPUs. + + uptime: This uses the jiffies counter and the time stamp + is relative to the time since boot up. + + perf: This makes ftrace use the same clock that perf uses. + Eventually perf will be able to read ftrace buffers + and this will help out in interleaving the data. + + x86-tsc: Architectures may define their own clocks. For + example, x86 uses its own TSC cycle clock here. + + To set a clock, simply echo the clock name into this file. + + echo global > trace_clock + + trace_marker: + + This is a very useful file for synchronizing user space + with events happening in the kernel. Writing strings into + this file will be written into the ftrace buffer. + + It is useful in applications to open this file at the start + of the application and just reference the file descriptor + for the file. + + void trace_write(const char *fmt, ...) + { + va_list ap; + char buf[256]; + int n; + + if (trace_fd < 0) + return; + + va_start(ap, fmt); + n = vsnprintf(buf, 256, fmt, ap); + va_end(ap); + + write(trace_fd, buf, n); + } + + start: + + trace_fd = open("trace_marker", WR_ONLY); + + uprobe_events: + + Add dynamic tracepoints in programs. + See uprobetracer.txt + + uprobe_profile: + + Uprobe statistics. See uprobetrace.txt + + instances: + + This is a way to make multiple trace buffers where different + events can be recorded in different buffers. + See "Instances" section below. + + events: + + This is the trace event directory. It holds event tracepoints + (also known as static tracepoints) that have been compiled + into the kernel. It shows what event tracepoints exist + and how they are grouped by system. There are "enable" + files at various levels that can enable the tracepoints + when a "1" is written to them. + + See events.txt for more information. + + per_cpu: + + This is a directory that contains the trace per_cpu information. + + per_cpu/cpu0/buffer_size_kb: + + The ftrace buffer is defined per_cpu. That is, there's a separate + buffer for each CPU to allow writes to be done atomically, + and free from cache bouncing. These buffers may have different + size buffers. This file is similar to the buffer_size_kb + file, but it only displays or sets the buffer size for the + specific CPU. (here cpu0). + + per_cpu/cpu0/trace: + + This is similar to the "trace" file, but it will only display + the data specific for the CPU. If written to, it only clears + the specific CPU buffer. + + per_cpu/cpu0/trace_pipe + + This is similar to the "trace_pipe" file, and is a consuming + read, but it will only display (and consume) the data specific + for the CPU. + + per_cpu/cpu0/trace_pipe_raw + + For tools that can parse the ftrace ring buffer binary format, + the trace_pipe_raw file can be used to extract the data + from the ring buffer directly. With the use of the splice() + system call, the buffer data can be quickly transferred to + a file or to the network where a server is collecting the + data. + + Like trace_pipe, this is a consuming reader, where multiple + reads will always produce different data. + + per_cpu/cpu0/snapshot: + + This is similar to the main "snapshot" file, but will only + snapshot the current CPU (if supported). It only displays + the content of the snapshot for a given CPU, and if + written to, only clears this CPU buffer. + + per_cpu/cpu0/snapshot_raw: + + Similar to the trace_pipe_raw, but will read the binary format + from the snapshot buffer for the given CPU. + + per_cpu/cpu0/stats: + + This displays certain stats about the ring buffer: + + entries: The number of events that are still in the buffer. + + overrun: The number of lost events due to overwriting when + the buffer was full. + + commit overrun: Should always be zero. + This gets set if so many events happened within a nested + event (ring buffer is re-entrant), that it fills the + buffer and starts dropping events. + + bytes: Bytes actually read (not overwritten). + + oldest event ts: The oldest timestamp in the buffer + + now ts: The current timestamp + + dropped events: Events lost due to overwrite option being off. + + read events: The number of events read. The Tracers ----------- @@ -234,11 +524,6 @@ Here is the list of current tracers that may be configured. RT tasks (as the current "wakeup" does). This is useful for those interested in wake up timings of RT tasks. - "hw-branch-tracer" - - Uses the BTS CPU feature on x86 CPUs to traces all - branches executed. - "nop" This is the "trace nothing" tracer. To remove all @@ -261,70 +546,100 @@ Here is an example of the output format of the file "trace" -------- # tracer: function # -# TASK-PID CPU# TIMESTAMP FUNCTION -# | | | | | - bash-4251 [01] 10152.583854: path_put <-path_walk - bash-4251 [01] 10152.583855: dput <-path_put - bash-4251 [01] 10152.583855: _atomic_dec_and_lock <-dput +# entries-in-buffer/entries-written: 140080/250280 #P:4 +# +# _-----=> irqs-off +# / _----=> need-resched +# | / _---=> hardirq/softirq +# || / _--=> preempt-depth +# ||| / delay +# TASK-PID CPU# |||| TIMESTAMP FUNCTION +# | | | |||| | | + bash-1977 [000] .... 17284.993652: sys_close <-system_call_fastpath + bash-1977 [000] .... 17284.993653: __close_fd <-sys_close + bash-1977 [000] .... 17284.993653: _raw_spin_lock <-__close_fd + sshd-1974 [003] .... 17284.993653: __srcu_read_unlock <-fsnotify + bash-1977 [000] .... 17284.993654: add_preempt_count <-_raw_spin_lock + bash-1977 [000] ...1 17284.993655: _raw_spin_unlock <-__close_fd + bash-1977 [000] ...1 17284.993656: sub_preempt_count <-_raw_spin_unlock + bash-1977 [000] .... 17284.993657: filp_close <-__close_fd + bash-1977 [000] .... 17284.993657: dnotify_flush <-filp_close + sshd-1974 [003] .... 17284.993658: sys_select <-system_call_fastpath -------- A header is printed with the tracer name that is represented by -the trace. In this case the tracer is "function". Then a header -showing the format. Task name "bash", the task PID "4251", the -CPU that it was running on "01", the timestamp in <secs>.<usecs> -format, the function name that was traced "path_put" and the -parent function that called this function "path_walk". The -timestamp is the time at which the function was entered. +the trace. In this case the tracer is "function". Then it shows the +number of events in the buffer as well as the total number of entries +that were written. The difference is the number of entries that were +lost due to the buffer filling up (250280 - 140080 = 110200 events +lost). + +The header explains the content of the events. Task name "bash", the task +PID "1977", the CPU that it was running on "000", the latency format +(explained below), the timestamp in <secs>.<usecs> format, the +function name that was traced "sys_close" and the parent function that +called this function "system_call_fastpath". The timestamp is the time +at which the function was entered. Latency trace format -------------------- -When the latency-format option is enabled, the trace file gives -somewhat more information to see why a latency happened. -Here is a typical trace. +When the latency-format option is enabled or when one of the latency +tracers is set, the trace file gives somewhat more information to see +why a latency happened. Here is a typical trace. # tracer: irqsoff # -irqsoff latency trace v1.1.5 on 2.6.26-rc8 --------------------------------------------------------------------- - latency: 97 us, #3/3, CPU#0 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:2) - ----------------- - | task: swapper-0 (uid:0 nice:0 policy:0 rt_prio:0) - ----------------- - => started at: apic_timer_interrupt - => ended at: do_softirq - -# _------=> CPU# -# / _-----=> irqs-off -# | / _----=> need-resched -# || / _---=> hardirq/softirq -# ||| / _--=> preempt-depth -# |||| / -# ||||| delay -# cmd pid ||||| time | caller -# \ / ||||| \ | / - <idle>-0 0d..1 0us+: trace_hardirqs_off_thunk (apic_timer_interrupt) - <idle>-0 0d.s. 97us : __do_softirq (do_softirq) - <idle>-0 0d.s1 98us : trace_hardirqs_on (do_softirq) +# irqsoff latency trace v1.1.5 on 3.8.0-test+ +# -------------------------------------------------------------------- +# latency: 259 us, #4/4, CPU#2 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4) +# ----------------- +# | task: ps-6143 (uid:0 nice:0 policy:0 rt_prio:0) +# ----------------- +# => started at: __lock_task_sighand +# => ended at: _raw_spin_unlock_irqrestore +# +# +# _------=> CPU# +# / _-----=> irqs-off +# | / _----=> need-resched +# || / _---=> hardirq/softirq +# ||| / _--=> preempt-depth +# |||| / delay +# cmd pid ||||| time | caller +# \ / ||||| \ | / + ps-6143 2d... 0us!: trace_hardirqs_off <-__lock_task_sighand + ps-6143 2d..1 259us+: trace_hardirqs_on <-_raw_spin_unlock_irqrestore + ps-6143 2d..1 263us+: time_hardirqs_on <-_raw_spin_unlock_irqrestore + ps-6143 2d..1 306us : <stack trace> + => trace_hardirqs_on_caller + => trace_hardirqs_on + => _raw_spin_unlock_irqrestore + => do_task_stat + => proc_tgid_stat + => proc_single_show + => seq_read + => vfs_read + => sys_read + => system_call_fastpath This shows that the current tracer is "irqsoff" tracing the time -for which interrupts were disabled. It gives the trace version -and the version of the kernel upon which this was executed on -(2.6.26-rc8). Then it displays the max latency in microsecs (97 -us). The number of trace entries displayed and the total number -recorded (both are three: #3/3). The type of preemption that was -used (PREEMPT). VP, KP, SP, and HP are always zero and are -reserved for later use. #P is the number of online CPUS (#P:2). +for which interrupts were disabled. It gives the trace version (which +never changes) and the version of the kernel upon which this was executed on +(3.10). Then it displays the max latency in microseconds (259 us). The number +of trace entries displayed and the total number (both are four: #4/4). +VP, KP, SP, and HP are always zero and are reserved for later use. +#P is the number of online CPUs (#P:4). The task is the process that was running when the latency -occurred. (swapper pid: 0). +occurred. (ps pid: 6143). The start and stop (the functions in which the interrupts were disabled and enabled respectively) that caused the latencies: - apic_timer_interrupt is where the interrupts were disabled. - do_softirq is where they were enabled again. + __lock_task_sighand is where the interrupts were disabled. + _raw_spin_unlock_irqrestore is where they were enabled again. The next lines after the header are the trace itself. The header explains which is which. @@ -367,16 +682,43 @@ The above is mostly meaningful for kernel developers. The rest is the same as the 'trace' file. + Note, the latency tracers will usually end with a back trace + to easily find where the latency occurred. trace_options ------------- -The trace_options file is used to control what gets printed in -the trace output. To see what is available, simply cat the file: +The trace_options file (or the options directory) is used to control +what gets printed in the trace output, or manipulate the tracers. +To see what is available, simply cat the file: cat trace_options - print-parent nosym-offset nosym-addr noverbose noraw nohex nobin \ - noblock nostacktrace nosched-tree nouserstacktrace nosym-userobj +print-parent +nosym-offset +nosym-addr +noverbose +noraw +nohex +nobin +noblock +nostacktrace +trace_printk +noftrace_preempt +nobranch +annotate +nouserstacktrace +nosym-userobj +noprintk-msg-only +context-info +latency-format +sleep-time +graph-time +record-cmd +overwrite +nodisable_on_free +irq-info +markers +function-trace To disable one of the options, echo in the option prepended with "no". @@ -428,13 +770,34 @@ Here are the available options: bin - This will print out the formats in raw binary. - block - TBD (needs update) + block - When set, reading trace_pipe will not block when polled. stacktrace - This is one of the options that changes the trace itself. When a trace is recorded, so is the stack of functions. This allows for back traces of trace sites. + trace_printk - Can disable trace_printk() from writing into the buffer. + + branch - Enable branch tracing with the tracer. + + annotate - It is sometimes confusing when the CPU buffers are full + and one CPU buffer had a lot of events recently, thus + a shorter time frame, were another CPU may have only had + a few events, which lets it have older events. When + the trace is reported, it shows the oldest events first, + and it may look like only one CPU ran (the one with the + oldest events). When the annotate option is set, it will + display when a new CPU buffer started: + + <idle>-0 [001] dNs4 21169.031481: wake_up_idle_cpu <-add_timer_on + <idle>-0 [001] dNs4 21169.031482: _raw_spin_unlock_irqrestore <-add_timer_on + <idle>-0 [001] .Ns4 21169.031484: sub_preempt_count <-_raw_spin_unlock_irqrestore +##### CPU 2 buffer started #### + <idle>-0 [002] .N.1 21169.031484: rcu_idle_exit <-cpu_idle + <idle>-0 [001] .Ns3 21169.031484: _raw_spin_unlock <-clocksource_watchdog + <idle>-0 [001] .Ns3 21169.031485: sub_preempt_count <-_raw_spin_unlock + userstacktrace - This option changes the trace. It records a stacktrace of the current userspace thread. @@ -451,9 +814,13 @@ Here are the available options: a.out-1623 [000] 40874.465068: /root/a.out[+0x480] <-/root/a.out[+0 x494] <- /root/a.out[+0x4a8] <- /lib/libc-2.7.so[+0x1e1a6] - sched-tree - trace all tasks that are on the runqueue, at - every scheduling event. Will add overhead if - there's a lot of tasks running at once. + + printk-msg-only - When set, trace_printk()s will only show the format + and not their parameters (if trace_bprintk() or + trace_bputs() was used to save the trace_printk()). + + context-info - Show only the event data. Hides the comm, PID, + timestamp, CPU, and other useful data. latency-format - This option changes the trace. When it is enabled, the trace displays @@ -461,31 +828,61 @@ x494] <- /root/a.out[+0x4a8] <- /lib/libc-2.7.so[+0x1e1a6] latencies, as described in "Latency trace format". + sleep-time - When running function graph tracer, to include + the time a task schedules out in its function. + When enabled, it will account time the task has been + scheduled out as part of the function call. + + graph-time - When running function graph tracer, to include the + time to call nested functions. When this is not set, + the time reported for the function will only include + the time the function itself executed for, not the time + for functions that it called. + + record-cmd - When any event or tracer is enabled, a hook is enabled + in the sched_switch trace point to fill comm cache + with mapped pids and comms. But this may cause some + overhead, and if you only care about pids, and not the + name of the task, disabling this option can lower the + impact of tracing. + overwrite - This controls what happens when the trace buffer is full. If "1" (default), the oldest events are discarded and overwritten. If "0", then the newest events are discarded. + (see per_cpu/cpu0/stats for overrun and dropped) -ftrace_enabled --------------- + disable_on_free - When the free_buffer is closed, tracing will + stop (tracing_on set to 0). -The following tracers (listed below) give different output -depending on whether or not the sysctl ftrace_enabled is set. To -set ftrace_enabled, one can either use the sysctl function or -set it via the proc file system interface. + irq-info - Shows the interrupt, preempt count, need resched data. + When disabled, the trace looks like: - sysctl kernel.ftrace_enabled=1 +# tracer: function +# +# entries-in-buffer/entries-written: 144405/9452052 #P:4 +# +# TASK-PID CPU# TIMESTAMP FUNCTION +# | | | | | + <idle>-0 [002] 23636.756054: ttwu_do_activate.constprop.89 <-try_to_wake_up + <idle>-0 [002] 23636.756054: activate_task <-ttwu_do_activate.constprop.89 + <idle>-0 [002] 23636.756055: enqueue_task <-activate_task - or - echo 1 > /proc/sys/kernel/ftrace_enabled + markers - When set, the trace_marker is writable (only by root). + When disabled, the trace_marker will error with EINVAL + on write. + + + function-trace - The latency tracers will enable function tracing + if this option is enabled (default it is). When + it is disabled, the latency tracers do not trace + functions. This keeps the overhead of the tracer down + when performing latency tests. -To disable ftrace_enabled simply replace the '1' with '0' in the -above commands. + Note: Some tracers have their own options. They only appear + when the tracer is active. -When ftrace_enabled is set the tracers will also record the -functions that are within the trace. The descriptions of the -tracers will also show an example with ftrace enabled. irqsoff @@ -506,95 +903,133 @@ new trace is saved. To reset the maximum, echo 0 into tracing_max_latency. Here is an example: + # echo 0 > options/function-trace # echo irqsoff > current_tracer - # echo latency-format > trace_options - # echo 0 > tracing_max_latency # echo 1 > tracing_on + # echo 0 > tracing_max_latency # ls -ltr [...] # echo 0 > tracing_on # cat trace # tracer: irqsoff # -irqsoff latency trace v1.1.5 on 2.6.26 --------------------------------------------------------------------- - latency: 12 us, #3/3, CPU#1 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:2) - ----------------- - | task: bash-3730 (uid:0 nice:0 policy:0 rt_prio:0) - ----------------- - => started at: sys_setpgid - => ended at: sys_setpgid - -# _------=> CPU# -# / _-----=> irqs-off -# | / _----=> need-resched -# || / _---=> hardirq/softirq -# ||| / _--=> preempt-depth -# |||| / -# ||||| delay -# cmd pid ||||| time | caller -# \ / ||||| \ | / - bash-3730 1d... 0us : _write_lock_irq (sys_setpgid) - bash-3730 1d..1 1us+: _write_unlock_irq (sys_setpgid) - bash-3730 1d..2 14us : trace_hardirqs_on (sys_setpgid) - - -Here we see that that we had a latency of 12 microsecs (which is -very good). The _write_lock_irq in sys_setpgid disabled -interrupts. The difference between the 12 and the displayed -timestamp 14us occurred because the clock was incremented +# irqsoff latency trace v1.1.5 on 3.8.0-test+ +# -------------------------------------------------------------------- +# latency: 16 us, #4/4, CPU#0 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4) +# ----------------- +# | task: swapper/0-0 (uid:0 nice:0 policy:0 rt_prio:0) +# ----------------- +# => started at: run_timer_softirq +# => ended at: run_timer_softirq +# +# +# _------=> CPU# +# / _-----=> irqs-off +# | / _----=> need-resched +# || / _---=> hardirq/softirq +# ||| / _--=> preempt-depth +# |||| / delay +# cmd pid ||||| time | caller +# \ / ||||| \ | / + <idle>-0 0d.s2 0us+: _raw_spin_lock_irq <-run_timer_softirq + <idle>-0 0dNs3 17us : _raw_spin_unlock_irq <-run_timer_softirq + <idle>-0 0dNs3 17us+: trace_hardirqs_on <-run_timer_softirq + <idle>-0 0dNs3 25us : <stack trace> + => _raw_spin_unlock_irq + => run_timer_softirq + => __do_softirq + => call_softirq + => do_softirq + => irq_exit + => smp_apic_timer_interrupt + => apic_timer_interrupt + => rcu_idle_exit + => cpu_idle + => rest_init + => start_kernel + => x86_64_start_reservations + => x86_64_start_kernel + +Here we see that that we had a latency of 16 microseconds (which is +very good). The _raw_spin_lock_irq in run_timer_softirq disabled +interrupts. The difference between the 16 and the displayed +timestamp 25us occurred because the clock was incremented between the time of recording the max latency and the time of recording the function that had that latency. -Note the above example had ftrace_enabled not set. If we set the -ftrace_enabled, we get a much larger output: +Note the above example had function-trace not set. If we set +function-trace, we get a much larger output: + + with echo 1 > options/function-trace # tracer: irqsoff # -irqsoff latency trace v1.1.5 on 2.6.26-rc8 --------------------------------------------------------------------- - latency: 50 us, #101/101, CPU#0 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:2) - ----------------- - | task: ls-4339 (uid:0 nice:0 policy:0 rt_prio:0) - ----------------- - => started at: __alloc_pages_internal - => ended at: __alloc_pages_internal - -# _------=> CPU# -# / _-----=> irqs-off -# | / _----=> need-resched -# || / _---=> hardirq/softirq -# ||| / _--=> preempt-depth -# |||| / -# ||||| delay -# cmd pid ||||| time | caller -# \ / ||||| \ | / - ls-4339 0...1 0us+: get_page_from_freelist (__alloc_pages_internal) - ls-4339 0d..1 3us : rmqueue_bulk (get_page_from_freelist) - ls-4339 0d..1 3us : _spin_lock (rmqueue_bulk) - ls-4339 0d..1 4us : add_preempt_count (_spin_lock) - ls-4339 0d..2 4us : __rmqueue (rmqueue_bulk) - ls-4339 0d..2 5us : __rmqueue_smallest (__rmqueue) - ls-4339 0d..2 5us : __mod_zone_page_state (__rmqueue_smallest) - ls-4339 0d..2 6us : __rmqueue (rmqueue_bulk) - ls-4339 0d..2 6us : __rmqueue_smallest (__rmqueue) - ls-4339 0d..2 7us : __mod_zone_page_state (__rmqueue_smallest) - ls-4339 0d..2 7us : __rmqueue (rmqueue_bulk) - ls-4339 0d..2 8us : __rmqueue_smallest (__rmqueue) +# irqsoff latency trace v1.1.5 on 3.8.0-test+ +# -------------------------------------------------------------------- +# latency: 71 us, #168/168, CPU#3 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4) +# ----------------- +# | task: bash-2042 (uid:0 nice:0 policy:0 rt_prio:0) +# ----------------- +# => started at: ata_scsi_queuecmd +# => ended at: ata_scsi_queuecmd +# +# +# _------=> CPU# +# / _-----=> irqs-off +# | / _----=> need-resched +# || / _---=> hardirq/softirq +# ||| / _--=> preempt-depth +# |||| / delay +# cmd pid ||||| time | caller +# \ / ||||| \ | / + bash-2042 3d... 0us : _raw_spin_lock_irqsave <-ata_scsi_queuecmd + bash-2042 3d... 0us : add_preempt_count <-_raw_spin_lock_irqsave + bash-2042 3d..1 1us : ata_scsi_find_dev <-ata_scsi_queuecmd + bash-2042 3d..1 1us : __ata_scsi_find_dev <-ata_scsi_find_dev + bash-2042 3d..1 2us : ata_find_dev.part.14 <-__ata_scsi_find_dev + bash-2042 3d..1 2us : ata_qc_new_init <-__ata_scsi_queuecmd + bash-2042 3d..1 3us : ata_sg_init <-__ata_scsi_queuecmd + bash-2042 3d..1 4us : ata_scsi_rw_xlat <-__ata_scsi_queuecmd + bash-2042 3d..1 4us : ata_build_rw_tf <-ata_scsi_rw_xlat [...] - ls-4339 0d..2 46us : __rmqueue_smallest (__rmqueue) - ls-4339 0d..2 47us : __mod_zone_page_state (__rmqueue_smallest) - ls-4339 0d..2 47us : __rmqueue (rmqueue_bulk) - ls-4339 0d..2 48us : __rmqueue_smallest (__rmqueue) - ls-4339 0d..2 48us : __mod_zone_page_state (__rmqueue_smallest) - ls-4339 0d..2 49us : _spin_unlock (rmqueue_bulk) - ls-4339 0d..2 49us : sub_preempt_count (_spin_unlock) - ls-4339 0d..1 50us : get_page_from_freelist (__alloc_pages_internal) - ls-4339 0d..2 51us : trace_hardirqs_on (__alloc_pages_internal) - - - -Here we traced a 50 microsecond latency. But we also see all the + bash-2042 3d..1 67us : delay_tsc <-__delay + bash-2042 3d..1 67us : add_preempt_count <-delay_tsc + bash-2042 3d..2 67us : sub_preempt_count <-delay_tsc + bash-2042 3d..1 67us : add_preempt_count <-delay_tsc + bash-2042 3d..2 68us : sub_preempt_count <-delay_tsc + bash-2042 3d..1 68us+: ata_bmdma_start <-ata_bmdma_qc_issue + bash-2042 3d..1 71us : _raw_spin_unlock_irqrestore <-ata_scsi_queuecmd + bash-2042 3d..1 71us : _raw_spin_unlock_irqrestore <-ata_scsi_queuecmd + bash-2042 3d..1 72us+: trace_hardirqs_on <-ata_scsi_queuecmd + bash-2042 3d..1 120us : <stack trace> + => _raw_spin_unlock_irqrestore + => ata_scsi_queuecmd + => scsi_dispatch_cmd + => scsi_request_fn + => __blk_run_queue_uncond + => __blk_run_queue + => blk_queue_bio + => generic_make_request + => submit_bio + => submit_bh + => __ext3_get_inode_loc + => ext3_iget + => ext3_lookup + => lookup_real + => __lookup_hash + => walk_component + => lookup_last + => path_lookupat + => filename_lookup + => user_path_at_empty + => user_path_at + => vfs_fstatat + => vfs_stat + => sys_newstat + => system_call_fastpath + + +Here we traced a 71 microsecond latency. But we also see all the functions that were called during that time. Note that by enabling function tracing, we incur an added overhead. This overhead may extend the latency times. But nevertheless, this @@ -614,120 +1049,122 @@ Like the irqsoff tracer, it records the maximum latency for which preemption was disabled. The control of preemptoff tracer is much like the irqsoff tracer. + # echo 0 > options/function-trace # echo preemptoff > current_tracer - # echo latency-format > trace_options - # echo 0 > tracing_max_latency # echo 1 > tracing_on + # echo 0 > tracing_max_latency # ls -ltr [...] # echo 0 > tracing_on # cat trace # tracer: preemptoff # -preemptoff latency trace v1.1.5 on 2.6.26-rc8 --------------------------------------------------------------------- - latency: 29 us, #3/3, CPU#0 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:2) - ----------------- - | task: sshd-4261 (uid:0 nice:0 policy:0 rt_prio:0) - ----------------- - => started at: do_IRQ - => ended at: __do_softirq - -# _------=> CPU# -# / _-----=> irqs-off -# | / _----=> need-resched -# || / _---=> hardirq/softirq -# ||| / _--=> preempt-depth -# |||| / -# ||||| delay -# cmd pid ||||| time | caller -# \ / ||||| \ | / - sshd-4261 0d.h. 0us+: irq_enter (do_IRQ) - sshd-4261 0d.s. 29us : _local_bh_enable (__do_softirq) - sshd-4261 0d.s1 30us : trace_preempt_on (__do_softirq) +# preemptoff latency trace v1.1.5 on 3.8.0-test+ +# -------------------------------------------------------------------- +# latency: 46 us, #4/4, CPU#1 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4) +# ----------------- +# | task: sshd-1991 (uid:0 nice:0 policy:0 rt_prio:0) +# ----------------- +# => started at: do_IRQ +# => ended at: do_IRQ +# +# +# _------=> CPU# +# / _-----=> irqs-off +# | / _----=> need-resched +# || / _---=> hardirq/softirq +# ||| / _--=> preempt-depth +# |||| / delay +# cmd pid ||||| time | caller +# \ / ||||| \ | / + sshd-1991 1d.h. 0us+: irq_enter <-do_IRQ + sshd-1991 1d..1 46us : irq_exit <-do_IRQ + sshd-1991 1d..1 47us+: trace_preempt_on <-do_IRQ + sshd-1991 1d..1 52us : <stack trace> + => sub_preempt_count + => irq_exit + => do_IRQ + => ret_from_intr This has some more changes. Preemption was disabled when an -interrupt came in (notice the 'h'), and was enabled while doing -a softirq. (notice the 's'). But we also see that interrupts -have been disabled when entering the preempt off section and -leaving it (the 'd'). We do not know if interrupts were enabled -in the mean time. +interrupt came in (notice the 'h'), and was enabled on exit. +But we also see that interrupts have been disabled when entering +the preempt off section and leaving it (the 'd'). We do not know if +interrupts were enabled in the mean time or shortly after this +was over. # tracer: preemptoff # -preemptoff latency trace v1.1.5 on 2.6.26-rc8 --------------------------------------------------------------------- - latency: 63 us, #87/87, CPU#0 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:2) - ----------------- - | task: sshd-4261 (uid:0 nice:0 policy:0 rt_prio:0) - ----------------- - => started at: remove_wait_queue - => ended at: __do_softirq - -# _------=> CPU# -# / _-----=> irqs-off -# | / _----=> need-resched -# || / _---=> hardirq/softirq -# ||| / _--=> preempt-depth -# |||| / -# ||||| delay -# cmd pid ||||| time | caller -# \ / ||||| \ | / - sshd-4261 0d..1 0us : _spin_lock_irqsave (remove_wait_queue) - sshd-4261 0d..1 1us : _spin_unlock_irqrestore (remove_wait_queue) - sshd-4261 0d..1 2us : do_IRQ (common_interrupt) - sshd-4261 0d..1 2us : irq_enter (do_IRQ) - sshd-4261 0d..1 2us : idle_cpu (irq_enter) - sshd-4261 0d..1 3us : add_preempt_count (irq_enter) - sshd-4261 0d.h1 3us : idle_cpu (irq_enter) - sshd-4261 0d.h. 4us : handle_fasteoi_irq (do_IRQ) +# preemptoff latency trace v1.1.5 on 3.8.0-test+ +# -------------------------------------------------------------------- +# latency: 83 us, #241/241, CPU#1 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4) +# ----------------- +# | task: bash-1994 (uid:0 nice:0 policy:0 rt_prio:0) +# ----------------- +# => started at: wake_up_new_task +# => ended at: task_rq_unlock +# +# +# _------=> CPU# +# / _-----=> irqs-off +# | / _----=> need-resched +# || / _---=> hardirq/softirq +# ||| / _--=> preempt-depth +# |||| / delay +# cmd pid ||||| time | caller +# \ / ||||| \ | / + bash-1994 1d..1 0us : _raw_spin_lock_irqsave <-wake_up_new_task + bash-1994 1d..1 0us : select_task_rq_fair <-select_task_rq + bash-1994 1d..1 1us : __rcu_read_lock <-select_task_rq_fair + bash-1994 1d..1 1us : source_load <-select_task_rq_fair + bash-1994 1d..1 1us : source_load <-select_task_rq_fair [...] - sshd-4261 0d.h. 12us : add_preempt_count (_spin_lock) - sshd-4261 0d.h1 12us : ack_ioapic_quirk_irq (handle_fasteoi_irq) - sshd-4261 0d.h1 13us : move_native_irq (ack_ioapic_quirk_irq) - sshd-4261 0d.h1 13us : _spin_unlock (handle_fasteoi_irq) - sshd-4261 0d.h1 14us : sub_preempt_count (_spin_unlock) - sshd-4261 0d.h1 14us : irq_exit (do_IRQ) - sshd-4261 0d.h1 15us : sub_preempt_count (irq_exit) - sshd-4261 0d..2 15us : do_softirq (irq_exit) - sshd-4261 0d... 15us : __do_softirq (do_softirq) - sshd-4261 0d... 16us : __local_bh_disable (__do_softirq) - sshd-4261 0d... 16us+: add_preempt_count (__local_bh_disable) - sshd-4261 0d.s4 20us : add_preempt_count (__local_bh_disable) - sshd-4261 0d.s4 21us : sub_preempt_count (local_bh_enable) - sshd-4261 0d.s5 21us : sub_preempt_count (local_bh_enable) + bash-1994 1d..1 12us : irq_enter <-smp_apic_timer_interrupt + bash-1994 1d..1 12us : rcu_irq_enter <-irq_enter + bash-1994 1d..1 13us : add_preempt_count <-irq_enter + bash-1994 1d.h1 13us : exit_idle <-smp_apic_timer_interrupt + bash-1994 1d.h1 13us : hrtimer_interrupt <-smp_apic_timer_interrupt + bash-1994 1d.h1 13us : _raw_spin_lock <-hrtimer_interrupt + bash-1994 1d.h1 14us : add_preempt_count <-_raw_spin_lock + bash-1994 1d.h2 14us : ktime_get_update_offsets <-hrtimer_interrupt [...] - sshd-4261 0d.s6 41us : add_preempt_count (__local_bh_disable) - sshd-4261 0d.s6 42us : sub_preempt_count (local_bh_enable) - sshd-4261 0d.s7 42us : sub_preempt_count (local_bh_enable) - sshd-4261 0d.s5 43us : add_preempt_count (__local_bh_disable) - sshd-4261 0d.s5 43us : sub_preempt_count (local_bh_enable_ip) - sshd-4261 0d.s6 44us : sub_preempt_count (local_bh_enable_ip) - sshd-4261 0d.s5 44us : add_preempt_count (__local_bh_disable) - sshd-4261 0d.s5 45us : sub_preempt_count (local_bh_enable) + bash-1994 1d.h1 35us : lapic_next_event <-clockevents_program_event + bash-1994 1d.h1 35us : irq_exit <-smp_apic_timer_interrupt + bash-1994 1d.h1 36us : sub_preempt_count <-irq_exit + bash-1994 1d..2 36us : do_softirq <-irq_exit + bash-1994 1d..2 36us : __do_softirq <-call_softirq + bash-1994 1d..2 36us : __local_bh_disable <-__do_softirq + bash-1994 1d.s2 37us : add_preempt_count <-_raw_spin_lock_irq + bash-1994 1d.s3 38us : _raw_spin_unlock <-run_timer_softirq + bash-1994 1d.s3 39us : sub_preempt_count <-_raw_spin_unlock + bash-1994 1d.s2 39us : call_timer_fn <-run_timer_softirq [...] - sshd-4261 0d.s. 63us : _local_bh_enable (__do_softirq) - sshd-4261 0d.s1 64us : trace_preempt_on (__do_softirq) + bash-1994 1dNs2 81us : cpu_needs_another_gp <-rcu_process_callbacks + bash-1994 1dNs2 82us : __local_bh_enable <-__do_softirq + bash-1994 1dNs2 82us : sub_preempt_count <-__local_bh_enable + bash-1994 1dN.2 82us : idle_cpu <-irq_exit + bash-1994 1dN.2 83us : rcu_irq_exit <-irq_exit + bash-1994 1dN.2 83us : sub_preempt_count <-irq_exit + bash-1994 1.N.1 84us : _raw_spin_unlock_irqrestore <-task_rq_unlock + bash-1994 1.N.1 84us+: trace_preempt_on <-task_rq_unlock + bash-1994 1.N.1 104us : <stack trace> + => sub_preempt_count + => _raw_spin_unlock_irqrestore + => task_rq_unlock + => wake_up_new_task + => do_fork + => sys_clone + => stub_clone The above is an example of the preemptoff trace with -ftrace_enabled set. Here we see that interrupts were disabled +function-trace set. Here we see that interrupts were not disabled the entire time. The irq_enter code lets us know that we entered an interrupt 'h'. Before that, the functions being traced still show that it is not in an interrupt, but we can see from the functions themselves that this is not the case. -Notice that __do_softirq when called does not have a -preempt_count. It may seem that we missed a preempt enabling. -What really happened is that the preempt count is held on the -thread's stack and we switched to the softirq stack (4K stacks -in effect). The code does not copy the preempt count, but -because interrupts are disabled, we do not need to worry about -it. Having a tracer like this is good for letting people know -what really happens inside the kernel. - - preemptirqsoff -------------- @@ -762,38 +1199,57 @@ tracer. Again, using this trace is much like the irqsoff and preemptoff tracers. + # echo 0 > options/function-trace # echo preemptirqsoff > current_tracer - # echo latency-format > trace_options - # echo 0 > tracing_max_latency # echo 1 > tracing_on + # echo 0 > tracing_max_latency # ls -ltr [...] # echo 0 > tracing_on # cat trace # tracer: preemptirqsoff # -preemptirqsoff latency trace v1.1.5 on 2.6.26-rc8 --------------------------------------------------------------------- - latency: 293 us, #3/3, CPU#0 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:2) - ----------------- - | task: ls-4860 (uid:0 nice:0 policy:0 rt_prio:0) - ----------------- - => started at: apic_timer_interrupt - => ended at: __do_softirq - -# _------=> CPU# -# / _-----=> irqs-off -# | / _----=> need-resched -# || / _---=> hardirq/softirq -# ||| / _--=> preempt-depth -# |||| / -# ||||| delay -# cmd pid ||||| time | caller -# \ / ||||| \ | / - ls-4860 0d... 0us!: trace_hardirqs_off_thunk (apic_timer_interrupt) - ls-4860 0d.s. 294us : _local_bh_enable (__do_softirq) - ls-4860 0d.s1 294us : trace_preempt_on (__do_softirq) - +# preemptirqsoff latency trace v1.1.5 on 3.8.0-test+ +# -------------------------------------------------------------------- +# latency: 100 us, #4/4, CPU#3 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4) +# ----------------- +# | task: ls-2230 (uid:0 nice:0 policy:0 rt_prio:0) +# ----------------- +# => started at: ata_scsi_queuecmd +# => ended at: ata_scsi_queuecmd +# +# +# _------=> CPU# +# / _-----=> irqs-off +# | / _----=> need-resched +# || / _---=> hardirq/softirq +# ||| / _--=> preempt-depth +# |||| / delay +# cmd pid ||||| time | caller +# \ / ||||| \ | / + ls-2230 3d... 0us+: _raw_spin_lock_irqsave <-ata_scsi_queuecmd + ls-2230 3...1 100us : _raw_spin_unlock_irqrestore <-ata_scsi_queuecmd + ls-2230 3...1 101us+: trace_preempt_on <-ata_scsi_queuecmd + ls-2230 3...1 111us : <stack trace> + => sub_preempt_count + => _raw_spin_unlock_irqrestore + => ata_scsi_queuecmd + => scsi_dispatch_cmd + => scsi_request_fn + => __blk_run_queue_uncond + => __blk_run_queue + => blk_queue_bio + => generic_make_request + => submit_bio + => submit_bh + => ext3_bread + => ext3_dir_bread + => htree_dirblock_to_tree + => ext3_htree_fill_tree + => ext3_readdir + => vfs_readdir + => sys_getdents + => system_call_fastpath The trace_hardirqs_off_thunk is called from assembly on x86 when @@ -802,105 +1258,158 @@ function tracing, we do not know if interrupts were enabled within the preemption points. We do see that it started with preemption enabled. -Here is a trace with ftrace_enabled set: - +Here is a trace with function-trace set: # tracer: preemptirqsoff # -preemptirqsoff latency trace v1.1.5 on 2.6.26-rc8 --------------------------------------------------------------------- - latency: 105 us, #183/183, CPU#0 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:2) - ----------------- - | task: sshd-4261 (uid:0 nice:0 policy:0 rt_prio:0) - ----------------- - => started at: write_chan - => ended at: __do_softirq - -# _------=> CPU# -# / _-----=> irqs-off -# | / _----=> need-resched -# || / _---=> hardirq/softirq -# ||| / _--=> preempt-depth -# |||| / -# ||||| delay -# cmd pid ||||| time | caller -# \ / ||||| \ | / - ls-4473 0.N.. 0us : preempt_schedule (write_chan) - ls-4473 0dN.1 1us : _spin_lock (schedule) - ls-4473 0dN.1 2us : add_preempt_count (_spin_lock) - ls-4473 0d..2 2us : put_prev_task_fair (schedule) -[...] - ls-4473 0d..2 13us : set_normalized_timespec (ktime_get_ts) - ls-4473 0d..2 13us : __switch_to (schedule) - sshd-4261 0d..2 14us : finish_task_switch (schedule) - sshd-4261 0d..2 14us : _spin_unlock_irq (finish_task_switch) - sshd-4261 0d..1 15us : add_preempt_count (_spin_lock_irqsave) - sshd-4261 0d..2 16us : _spin_unlock_irqrestore (hrtick_set) - sshd-4261 0d..2 16us : do_IRQ (common_interrupt) - sshd-4261 0d..2 17us : irq_enter (do_IRQ) - sshd-4261 0d..2 17us : idle_cpu (irq_enter) - sshd-4261 0d..2 18us : add_preempt_count (irq_enter) - sshd-4261 0d.h2 18us : idle_cpu (irq_enter) - sshd-4261 0d.h. 18us : handle_fasteoi_irq (do_IRQ) - sshd-4261 0d.h. 19us : _spin_lock (handle_fasteoi_irq) - sshd-4261 0d.h. 19us : add_preempt_count (_spin_lock) - sshd-4261 0d.h1 20us : _spin_unlock (handle_fasteoi_irq) - sshd-4261 0d.h1 20us : sub_preempt_count (_spin_unlock) -[...] - sshd-4261 0d.h1 28us : _spin_unlock (handle_fasteoi_irq) - sshd-4261 0d.h1 29us : sub_preempt_count (_spin_unlock) - sshd-4261 0d.h2 29us : irq_exit (do_IRQ) - sshd-4261 0d.h2 29us : sub_preempt_count (irq_exit) - sshd-4261 0d..3 30us : do_softirq (irq_exit) - sshd-4261 0d... 30us : __do_softirq (do_softirq) - sshd-4261 0d... 31us : __local_bh_disable (__do_softirq) - sshd-4261 0d... 31us+: add_preempt_count (__local_bh_disable) - sshd-4261 0d.s4 34us : add_preempt_count (__local_bh_disable) +# preemptirqsoff latency trace v1.1.5 on 3.8.0-test+ +# -------------------------------------------------------------------- +# latency: 161 us, #339/339, CPU#3 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4) +# ----------------- +# | task: ls-2269 (uid:0 nice:0 policy:0 rt_prio:0) +# ----------------- +# => started at: schedule +# => ended at: mutex_unlock +# +# +# _------=> CPU# +# / _-----=> irqs-off +# | / _----=> need-resched +# || / _---=> hardirq/softirq +# ||| / _--=> preempt-depth +# |||| / delay +# cmd pid ||||| time | caller +# \ / ||||| \ | / +kworker/-59 3...1 0us : __schedule <-schedule +kworker/-59 3d..1 0us : rcu_preempt_qs <-rcu_note_context_switch +kworker/-59 3d..1 1us : add_preempt_count <-_raw_spin_lock_irq +kworker/-59 3d..2 1us : deactivate_task <-__schedule +kworker/-59 3d..2 1us : dequeue_task <-deactivate_task +kworker/-59 3d..2 2us : update_rq_clock <-dequeue_task +kworker/-59 3d..2 2us : dequeue_task_fair <-dequeue_task +kworker/-59 3d..2 2us : update_curr <-dequeue_task_fair +kworker/-59 3d..2 2us : update_min_vruntime <-update_curr +kworker/-59 3d..2 3us : cpuacct_charge <-update_curr +kworker/-59 3d..2 3us : __rcu_read_lock <-cpuacct_charge +kworker/-59 3d..2 3us : __rcu_read_unlock <-cpuacct_charge +kworker/-59 3d..2 3us : update_cfs_rq_blocked_load <-dequeue_task_fair +kworker/-59 3d..2 4us : clear_buddies <-dequeue_task_fair +kworker/-59 3d..2 4us : account_entity_dequeue <-dequeue_task_fair +kworker/-59 3d..2 4us : update_min_vruntime <-dequeue_task_fair +kworker/-59 3d..2 4us : update_cfs_shares <-dequeue_task_fair +kworker/-59 3d..2 5us : hrtick_update <-dequeue_task_fair +kworker/-59 3d..2 5us : wq_worker_sleeping <-__schedule +kworker/-59 3d..2 5us : kthread_data <-wq_worker_sleeping +kworker/-59 3d..2 5us : put_prev_task_fair <-__schedule +kworker/-59 3d..2 6us : pick_next_task_fair <-pick_next_task +kworker/-59 3d..2 6us : clear_buddies <-pick_next_task_fair +kworker/-59 3d..2 6us : set_next_entity <-pick_next_task_fair +kworker/-59 3d..2 6us : update_stats_wait_end <-set_next_entity + ls-2269 3d..2 7us : finish_task_switch <-__schedule + ls-2269 3d..2 7us : _raw_spin_unlock_irq <-finish_task_switch + ls-2269 3d..2 8us : do_IRQ <-ret_from_intr + ls-2269 3d..2 8us : irq_enter <-do_IRQ + ls-2269 3d..2 8us : rcu_irq_enter <-irq_enter + ls-2269 3d..2 9us : add_preempt_count <-irq_enter + ls-2269 3d.h2 9us : exit_idle <-do_IRQ [...] - sshd-4261 0d.s3 43us : sub_preempt_count (local_bh_enable_ip) - sshd-4261 0d.s4 44us : sub_preempt_count (local_bh_enable_ip) - sshd-4261 0d.s3 44us : smp_apic_timer_interrupt (apic_timer_interrupt) - sshd-4261 0d.s3 45us : irq_enter (smp_apic_timer_interrupt) - sshd-4261 0d.s3 45us : idle_cpu (irq_enter) - sshd-4261 0d.s3 46us : add_preempt_count (irq_enter) - sshd-4261 0d.H3 46us : idle_cpu (irq_enter) - sshd-4261 0d.H3 47us : hrtimer_interrupt (smp_apic_timer_interrupt) - sshd-4261 0d.H3 47us : ktime_get (hrtimer_interrupt) + ls-2269 3d.h3 20us : sub_preempt_count <-_raw_spin_unlock + ls-2269 3d.h2 20us : irq_exit <-do_IRQ + ls-2269 3d.h2 21us : sub_preempt_count <-irq_exit + ls-2269 3d..3 21us : do_softirq <-irq_exit + ls-2269 3d..3 21us : __do_softirq <-call_softirq + ls-2269 3d..3 21us+: __local_bh_disable <-__do_softirq + ls-2269 3d.s4 29us : sub_preempt_count <-_local_bh_enable_ip + ls-2269 3d.s5 29us : sub_preempt_count <-_local_bh_enable_ip + ls-2269 3d.s5 31us : do_IRQ <-ret_from_intr + ls-2269 3d.s5 31us : irq_enter <-do_IRQ + ls-2269 3d.s5 31us : rcu_irq_enter <-irq_enter [...] - sshd-4261 0d.H3 81us : tick_program_event (hrtimer_interrupt) - sshd-4261 0d.H3 82us : ktime_get (tick_program_event) - sshd-4261 0d.H3 82us : ktime_get_ts (ktime_get) - sshd-4261 0d.H3 83us : getnstimeofday (ktime_get_ts) - sshd-4261 0d.H3 83us : set_normalized_timespec (ktime_get_ts) - sshd-4261 0d.H3 84us : clockevents_program_event (tick_program_event) - sshd-4261 0d.H3 84us : lapic_next_event (clockevents_program_event) - sshd-4261 0d.H3 85us : irq_exit (smp_apic_timer_interrupt) - sshd-4261 0d.H3 85us : sub_preempt_count (irq_exit) - sshd-4261 0d.s4 86us : sub_preempt_count (irq_exit) - sshd-4261 0d.s3 86us : add_preempt_count (__local_bh_disable) + ls-2269 3d.s5 31us : rcu_irq_enter <-irq_enter + ls-2269 3d.s5 32us : add_preempt_count <-irq_enter + ls-2269 3d.H5 32us : exit_idle <-do_IRQ + ls-2269 3d.H5 32us : handle_irq <-do_IRQ + ls-2269 3d.H5 32us : irq_to_desc <-handle_irq + ls-2269 3d.H5 33us : handle_fasteoi_irq <-handle_irq [...] - sshd-4261 0d.s1 98us : sub_preempt_count (net_rx_action) - sshd-4261 0d.s. 99us : add_preempt_count (_spin_lock_irq) - sshd-4261 0d.s1 99us+: _spin_unlock_irq (run_timer_softirq) - sshd-4261 0d.s. 104us : _local_bh_enable (__do_softirq) - sshd-4261 0d.s. 104us : sub_preempt_count (_local_bh_enable) - sshd-4261 0d.s. 105us : _local_bh_enable (__do_softirq) - sshd-4261 0d.s1 105us : trace_preempt_on (__do_softirq) - - -This is a very interesting trace. It started with the preemption -of the ls task. We see that the task had the "need_resched" bit -set via the 'N' in the trace. Interrupts were disabled before -the spin_lock at the beginning of the trace. We see that a -schedule took place to run sshd. When the interrupts were -enabled, we took an interrupt. On return from the interrupt -handler, the softirq ran. We took another interrupt while -running the softirq as we see from the capital 'H'. + ls-2269 3d.s5 158us : _raw_spin_unlock_irqrestore <-rtl8139_poll + ls-2269 3d.s3 158us : net_rps_action_and_irq_enable.isra.65 <-net_rx_action + ls-2269 3d.s3 159us : __local_bh_enable <-__do_softirq + ls-2269 3d.s3 159us : sub_preempt_count <-__local_bh_enable + ls-2269 3d..3 159us : idle_cpu <-irq_exit + ls-2269 3d..3 159us : rcu_irq_exit <-irq_exit + ls-2269 3d..3 160us : sub_preempt_count <-irq_exit + ls-2269 3d... 161us : __mutex_unlock_slowpath <-mutex_unlock + ls-2269 3d... 162us+: trace_hardirqs_on <-mutex_unlock + ls-2269 3d... 186us : <stack trace> + => __mutex_unlock_slowpath + => mutex_unlock + => process_output + => n_tty_write + => tty_write + => vfs_write + => sys_write + => system_call_fastpath + +This is an interesting trace. It started with kworker running and +scheduling out and ls taking over. But as soon as ls released the +rq lock and enabled interrupts (but not preemption) an interrupt +triggered. When the interrupt finished, it started running softirqs. +But while the softirq was running, another interrupt triggered. +When an interrupt is running inside a softirq, the annotation is 'H'. wakeup ------ +One common case that people are interested in tracing is the +time it takes for a task that is woken to actually wake up. +Now for non Real-Time tasks, this can be arbitrary. But tracing +it none the less can be interesting. + +Without function tracing: + + # echo 0 > options/function-trace + # echo wakeup > current_tracer + # echo 1 > tracing_on + # echo 0 > tracing_max_latency + # chrt -f 5 sleep 1 + # echo 0 > tracing_on + # cat trace +# tracer: wakeup +# +# wakeup latency trace v1.1.5 on 3.8.0-test+ +# -------------------------------------------------------------------- +# latency: 15 us, #4/4, CPU#3 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4) +# ----------------- +# | task: kworker/3:1H-312 (uid:0 nice:-20 policy:0 rt_prio:0) +# ----------------- +# +# _------=> CPU# +# / _-----=> irqs-off +# | / _----=> need-resched +# || / _---=> hardirq/softirq +# ||| / _--=> preempt-depth +# |||| / delay +# cmd pid ||||| time | caller +# \ / ||||| \ | / + <idle>-0 3dNs7 0us : 0:120:R + [003] 312:100:R kworker/3:1H + <idle>-0 3dNs7 1us+: ttwu_do_activate.constprop.87 <-try_to_wake_up + <idle>-0 3d..3 15us : __schedule <-schedule + <idle>-0 3d..3 15us : 0:120:R ==> [003] 312:100:R kworker/3:1H + +The tracer only traces the highest priority task in the system +to avoid tracing the normal circumstances. Here we see that +the kworker with a nice priority of -20 (not very nice), took +just 15 microseconds from the time it woke up, to the time it +ran. + +Non Real-Time tasks are not that interesting. A more interesting +trace is to concentrate only on Real-Time tasks. + +wakeup_rt +--------- + In a Real-Time environment it is very important to know the wakeup time it takes for the highest priority task that is woken up to the time that it executes. This is also known as "schedule @@ -914,124 +1423,229 @@ Real-Time environments are interested in the worst case latency. That is the longest latency it takes for something to happen, and not the average. We can have a very fast scheduler that may only have a large latency once in a while, but that would not -work well with Real-Time tasks. The wakeup tracer was designed +work well with Real-Time tasks. The wakeup_rt tracer was designed to record the worst case wakeups of RT tasks. Non-RT tasks are not recorded because the tracer only records one worst case and tracing non-RT tasks that are unpredictable will overwrite the -worst case latency of RT tasks. +worst case latency of RT tasks (just run the normal wakeup +tracer for a while to see that effect). Since this tracer only deals with RT tasks, we will run this slightly differently than we did with the previous tracers. Instead of performing an 'ls', we will run 'sleep 1' under 'chrt' which changes the priority of the task. - # echo wakeup > current_tracer - # echo latency-format > trace_options - # echo 0 > tracing_max_latency + # echo 0 > options/function-trace + # echo wakeup_rt > current_tracer # echo 1 > tracing_on + # echo 0 > tracing_max_latency # chrt -f 5 sleep 1 # echo 0 > tracing_on # cat trace # tracer: wakeup # -wakeup latency trace v1.1.5 on 2.6.26-rc8 --------------------------------------------------------------------- - latency: 4 us, #2/2, CPU#1 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:2) - ----------------- - | task: sleep-4901 (uid:0 nice:0 policy:1 rt_prio:5) - ----------------- - -# _------=> CPU# -# / _-----=> irqs-off -# | / _----=> need-resched -# || / _---=> hardirq/softirq -# ||| / _--=> preempt-depth -# |||| / -# ||||| delay -# cmd pid ||||| time | caller -# \ / ||||| \ | / - <idle>-0 1d.h4 0us+: try_to_wake_up (wake_up_process) - <idle>-0 1d..4 4us : schedule (cpu_idle) - - -Running this on an idle system, we see that it only took 4 -microseconds to perform the task switch. Note, since the trace -marker in the schedule is before the actual "switch", we stop -the tracing when the recorded task is about to schedule in. This -may change if we add a new marker at the end of the scheduler. - -Notice that the recorded task is 'sleep' with the PID of 4901 +# tracer: wakeup_rt +# +# wakeup_rt latency trace v1.1.5 on 3.8.0-test+ +# -------------------------------------------------------------------- +# latency: 5 us, #4/4, CPU#3 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4) +# ----------------- +# | task: sleep-2389 (uid:0 nice:0 policy:1 rt_prio:5) +# ----------------- +# +# _------=> CPU# +# / _-----=> irqs-off +# | / _----=> need-resched +# || / _---=> hardirq/softirq +# ||| / _--=> preempt-depth +# |||| / delay +# cmd pid ||||| time | caller +# \ / ||||| \ | / + <idle>-0 3d.h4 0us : 0:120:R + [003] 2389: 94:R sleep + <idle>-0 3d.h4 1us+: ttwu_do_activate.constprop.87 <-try_to_wake_up + <idle>-0 3d..3 5us : __schedule <-schedule + <idle>-0 3d..3 5us : 0:120:R ==> [003] 2389: 94:R sleep + + +Running this on an idle system, we see that it only took 5 microseconds +to perform the task switch. Note, since the trace point in the schedule +is before the actual "switch", we stop the tracing when the recorded task +is about to schedule in. This may change if we add a new marker at the +end of the scheduler. + +Notice that the recorded task is 'sleep' with the PID of 2389 and it has an rt_prio of 5. This priority is user-space priority and not the internal kernel priority. The policy is 1 for SCHED_FIFO and 2 for SCHED_RR. -Doing the same with chrt -r 5 and ftrace_enabled set. +Note, that the trace data shows the internal priority (99 - rtprio). -# tracer: wakeup + <idle>-0 3d..3 5us : 0:120:R ==> [003] 2389: 94:R sleep + +The 0:120:R means idle was running with a nice priority of 0 (120 - 20) +and in the running state 'R'. The sleep task was scheduled in with +2389: 94:R. That is the priority is the kernel rtprio (99 - 5 = 94) +and it too is in the running state. + +Doing the same with chrt -r 5 and function-trace set. + + echo 1 > options/function-trace + +# tracer: wakeup_rt # -wakeup latency trace v1.1.5 on 2.6.26-rc8 --------------------------------------------------------------------- - latency: 50 us, #60/60, CPU#1 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:2) - ----------------- - | task: sleep-4068 (uid:0 nice:0 policy:2 rt_prio:5) - ----------------- - -# _------=> CPU# -# / _-----=> irqs-off -# | / _----=> need-resched -# || / _---=> hardirq/softirq -# ||| / _--=> preempt-depth -# |||| / -# ||||| delay -# cmd pid ||||| time | caller -# \ / ||||| \ | / -ksoftirq-7 1d.H3 0us : try_to_wake_up (wake_up_process) -ksoftirq-7 1d.H4 1us : sub_preempt_count (marker_probe_cb) -ksoftirq-7 1d.H3 2us : check_preempt_wakeup (try_to_wake_up) -ksoftirq-7 1d.H3 3us : update_curr (check_preempt_wakeup) -ksoftirq-7 1d.H3 4us : calc_delta_mine (update_curr) -ksoftirq-7 1d.H3 5us : __resched_task (check_preempt_wakeup) -ksoftirq-7 1d.H3 6us : task_wake_up_rt (try_to_wake_up) -ksoftirq-7 1d.H3 7us : _spin_unlock_irqrestore (try_to_wake_up) -[...] -ksoftirq-7 1d.H2 17us : irq_exit (smp_apic_timer_interrupt) -ksoftirq-7 1d.H2 18us : sub_preempt_count (irq_exit) -ksoftirq-7 1d.s3 19us : sub_preempt_count (irq_exit) -ksoftirq-7 1..s2 20us : rcu_process_callbacks (__do_softirq) -[...] -ksoftirq-7 1..s2 26us : __rcu_process_callbacks (rcu_process_callbacks) -ksoftirq-7 1d.s2 27us : _local_bh_enable (__do_softirq) -ksoftirq-7 1d.s2 28us : sub_preempt_count (_local_bh_enable) -ksoftirq-7 1.N.3 29us : sub_preempt_count (ksoftirqd) -ksoftirq-7 1.N.2 30us : _cond_resched (ksoftirqd) -ksoftirq-7 1.N.2 31us : __cond_resched (_cond_resched) -ksoftirq-7 1.N.2 32us : add_preempt_count (__cond_resched) -ksoftirq-7 1.N.2 33us : schedule (__cond_resched) -ksoftirq-7 1.N.2 33us : add_preempt_count (schedule) -ksoftirq-7 1.N.3 34us : hrtick_clear (schedule) -ksoftirq-7 1dN.3 35us : _spin_lock (schedule) -ksoftirq-7 1dN.3 36us : add_preempt_count (_spin_lock) -ksoftirq-7 1d..4 37us : put_prev_task_fair (schedule) -ksoftirq-7 1d..4 38us : update_curr (put_prev_task_fair) -[...] -ksoftirq-7 1d..5 47us : _spin_trylock (tracing_record_cmdline) -ksoftirq-7 1d..5 48us : add_preempt_count (_spin_trylock) -ksoftirq-7 1d..6 49us : _spin_unlock (tracing_record_cmdline) -ksoftirq-7 1d..6 49us : sub_preempt_count (_spin_unlock) -ksoftirq-7 1d..4 50us : schedule (__cond_resched) - -The interrupt went off while running ksoftirqd. This task runs -at SCHED_OTHER. Why did not we see the 'N' set early? This may -be a harmless bug with x86_32 and 4K stacks. On x86_32 with 4K -stacks configured, the interrupt and softirq run with their own -stack. Some information is held on the top of the task's stack -(need_resched and preempt_count are both stored there). The -setting of the NEED_RESCHED bit is done directly to the task's -stack, but the reading of the NEED_RESCHED is done by looking at -the current stack, which in this case is the stack for the hard -interrupt. This hides the fact that NEED_RESCHED has been set. -We do not see the 'N' until we switch back to the task's -assigned stack. +# wakeup_rt latency trace v1.1.5 on 3.8.0-test+ +# -------------------------------------------------------------------- +# latency: 29 us, #85/85, CPU#3 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4) +# ----------------- +# | task: sleep-2448 (uid:0 nice:0 policy:1 rt_prio:5) +# ----------------- +# +# _------=> CPU# +# / _-----=> irqs-off +# | / _----=> need-resched +# || / _---=> hardirq/softirq +# ||| / _--=> preempt-depth +# |||| / delay +# cmd pid ||||| time | caller +# \ / ||||| \ | / + <idle>-0 3d.h4 1us+: 0:120:R + [003] 2448: 94:R sleep + <idle>-0 3d.h4 2us : ttwu_do_activate.constprop.87 <-try_to_wake_up + <idle>-0 3d.h3 3us : check_preempt_curr <-ttwu_do_wakeup + <idle>-0 3d.h3 3us : resched_task <-check_preempt_curr + <idle>-0 3dNh3 4us : task_woken_rt <-ttwu_do_wakeup + <idle>-0 3dNh3 4us : _raw_spin_unlock <-try_to_wake_up + <idle>-0 3dNh3 4us : sub_preempt_count <-_raw_spin_unlock + <idle>-0 3dNh2 5us : ttwu_stat <-try_to_wake_up + <idle>-0 3dNh2 5us : _raw_spin_unlock_irqrestore <-try_to_wake_up + <idle>-0 3dNh2 6us : sub_preempt_count <-_raw_spin_unlock_irqrestore + <idle>-0 3dNh1 6us : _raw_spin_lock <-__run_hrtimer + <idle>-0 3dNh1 6us : add_preempt_count <-_raw_spin_lock + <idle>-0 3dNh2 7us : _raw_spin_unlock <-hrtimer_interrupt + <idle>-0 3dNh2 7us : sub_preempt_count <-_raw_spin_unlock + <idle>-0 3dNh1 7us : tick_program_event <-hrtimer_interrupt + <idle>-0 3dNh1 7us : clockevents_program_event <-tick_program_event + <idle>-0 3dNh1 8us : ktime_get <-clockevents_program_event + <idle>-0 3dNh1 8us : lapic_next_event <-clockevents_program_event + <idle>-0 3dNh1 8us : irq_exit <-smp_apic_timer_interrupt + <idle>-0 3dNh1 9us : sub_preempt_count <-irq_exit + <idle>-0 3dN.2 9us : idle_cpu <-irq_exit + <idle>-0 3dN.2 9us : rcu_irq_exit <-irq_exit + <idle>-0 3dN.2 10us : rcu_eqs_enter_common.isra.45 <-rcu_irq_exit + <idle>-0 3dN.2 10us : sub_preempt_count <-irq_exit + <idle>-0 3.N.1 11us : rcu_idle_exit <-cpu_idle + <idle>-0 3dN.1 11us : rcu_eqs_exit_common.isra.43 <-rcu_idle_exit + <idle>-0 3.N.1 11us : tick_nohz_idle_exit <-cpu_idle + <idle>-0 3dN.1 12us : menu_hrtimer_cancel <-tick_nohz_idle_exit + <idle>-0 3dN.1 12us : ktime_get <-tick_nohz_idle_exit + <idle>-0 3dN.1 12us : tick_do_update_jiffies64 <-tick_nohz_idle_exit + <idle>-0 3dN.1 13us : update_cpu_load_nohz <-tick_nohz_idle_exit + <idle>-0 3dN.1 13us : _raw_spin_lock <-update_cpu_load_nohz + <idle>-0 3dN.1 13us : add_preempt_count <-_raw_spin_lock + <idle>-0 3dN.2 13us : __update_cpu_load <-update_cpu_load_nohz + <idle>-0 3dN.2 14us : sched_avg_update <-__update_cpu_load + <idle>-0 3dN.2 14us : _raw_spin_unlock <-update_cpu_load_nohz + <idle>-0 3dN.2 14us : sub_preempt_count <-_raw_spin_unlock + <idle>-0 3dN.1 15us : calc_load_exit_idle <-tick_nohz_idle_exit + <idle>-0 3dN.1 15us : touch_softlockup_watchdog <-tick_nohz_idle_exit + <idle>-0 3dN.1 15us : hrtimer_cancel <-tick_nohz_idle_exit + <idle>-0 3dN.1 15us : hrtimer_try_to_cancel <-hrtimer_cancel + <idle>-0 3dN.1 16us : lock_hrtimer_base.isra.18 <-hrtimer_try_to_cancel + <idle>-0 3dN.1 16us : _raw_spin_lock_irqsave <-lock_hrtimer_base.isra.18 + <idle>-0 3dN.1 16us : add_preempt_count <-_raw_spin_lock_irqsave + <idle>-0 3dN.2 17us : __remove_hrtimer <-remove_hrtimer.part.16 + <idle>-0 3dN.2 17us : hrtimer_force_reprogram <-__remove_hrtimer + <idle>-0 3dN.2 17us : tick_program_event <-hrtimer_force_reprogram + <idle>-0 3dN.2 18us : clockevents_program_event <-tick_program_event + <idle>-0 3dN.2 18us : ktime_get <-clockevents_program_event + <idle>-0 3dN.2 18us : lapic_next_event <-clockevents_program_event + <idle>-0 3dN.2 19us : _raw_spin_unlock_irqrestore <-hrtimer_try_to_cancel + <idle>-0 3dN.2 19us : sub_preempt_count <-_raw_spin_unlock_irqrestore + <idle>-0 3dN.1 19us : hrtimer_forward <-tick_nohz_idle_exit + <idle>-0 3dN.1 20us : ktime_add_safe <-hrtimer_forward + <idle>-0 3dN.1 20us : ktime_add_safe <-hrtimer_forward + <idle>-0 3dN.1 20us : hrtimer_start_range_ns <-hrtimer_start_expires.constprop.11 + <idle>-0 3dN.1 20us : __hrtimer_start_range_ns <-hrtimer_start_range_ns + <idle>-0 3dN.1 21us : lock_hrtimer_base.isra.18 <-__hrtimer_start_range_ns + <idle>-0 3dN.1 21us : _raw_spin_lock_irqsave <-lock_hrtimer_base.isra.18 + <idle>-0 3dN.1 21us : add_preempt_count <-_raw_spin_lock_irqsave + <idle>-0 3dN.2 22us : ktime_add_safe <-__hrtimer_start_range_ns + <idle>-0 3dN.2 22us : enqueue_hrtimer <-__hrtimer_start_range_ns + <idle>-0 3dN.2 22us : tick_program_event <-__hrtimer_start_range_ns + <idle>-0 3dN.2 23us : clockevents_program_event <-tick_program_event + <idle>-0 3dN.2 23us : ktime_get <-clockevents_program_event + <idle>-0 3dN.2 23us : lapic_next_event <-clockevents_program_event + <idle>-0 3dN.2 24us : _raw_spin_unlock_irqrestore <-__hrtimer_start_range_ns + <idle>-0 3dN.2 24us : sub_preempt_count <-_raw_spin_unlock_irqrestore + <idle>-0 3dN.1 24us : account_idle_ticks <-tick_nohz_idle_exit + <idle>-0 3dN.1 24us : account_idle_time <-account_idle_ticks + <idle>-0 3.N.1 25us : sub_preempt_count <-cpu_idle + <idle>-0 3.N.. 25us : schedule <-cpu_idle + <idle>-0 3.N.. 25us : __schedule <-preempt_schedule + <idle>-0 3.N.. 26us : add_preempt_count <-__schedule + <idle>-0 3.N.1 26us : rcu_note_context_switch <-__schedule + <idle>-0 3.N.1 26us : rcu_sched_qs <-rcu_note_context_switch + <idle>-0 3dN.1 27us : rcu_preempt_qs <-rcu_note_context_switch + <idle>-0 3.N.1 27us : _raw_spin_lock_irq <-__schedule + <idle>-0 3dN.1 27us : add_preempt_count <-_raw_spin_lock_irq + <idle>-0 3dN.2 28us : put_prev_task_idle <-__schedule + <idle>-0 3dN.2 28us : pick_next_task_stop <-pick_next_task + <idle>-0 3dN.2 28us : pick_next_task_rt <-pick_next_task + <idle>-0 3dN.2 29us : dequeue_pushable_task <-pick_next_task_rt + <idle>-0 3d..3 29us : __schedule <-preempt_schedule + <idle>-0 3d..3 30us : 0:120:R ==> [003] 2448: 94:R sleep + +This isn't that big of a trace, even with function tracing enabled, +so I included the entire trace. + +The interrupt went off while when the system was idle. Somewhere +before task_woken_rt() was called, the NEED_RESCHED flag was set, +this is indicated by the first occurrence of the 'N' flag. + +Latency tracing and events +-------------------------- +As function tracing can induce a much larger latency, but without +seeing what happens within the latency it is hard to know what +caused it. There is a middle ground, and that is with enabling +events. + + # echo 0 > options/function-trace + # echo wakeup_rt > current_tracer + # echo 1 > events/enable + # echo 1 > tracing_on + # echo 0 > tracing_max_latency + # chrt -f 5 sleep 1 + # echo 0 > tracing_on + # cat trace +# tracer: wakeup_rt +# +# wakeup_rt latency trace v1.1.5 on 3.8.0-test+ +# -------------------------------------------------------------------- +# latency: 6 us, #12/12, CPU#2 | (M:preempt VP:0, KP:0, SP:0 HP:0 #P:4) +# ----------------- +# | task: sleep-5882 (uid:0 nice:0 policy:1 rt_prio:5) +# ----------------- +# +# _------=> CPU# +# / _-----=> irqs-off +# | / _----=> need-resched +# || / _---=> hardirq/softirq +# ||| / _--=> preempt-depth +# |||| / delay +# cmd pid ||||| time | caller +# \ / ||||| \ | / + <idle>-0 2d.h4 0us : 0:120:R + [002] 5882: 94:R sleep + <idle>-0 2d.h4 0us : ttwu_do_activate.constprop.87 <-try_to_wake_up + <idle>-0 2d.h4 1us : sched_wakeup: comm=sleep pid=5882 prio=94 success=1 target_cpu=002 + <idle>-0 2dNh2 1us : hrtimer_expire_exit: hrtimer=ffff88007796feb8 + <idle>-0 2.N.2 2us : power_end: cpu_id=2 + <idle>-0 2.N.2 3us : cpu_idle: state=4294967295 cpu_id=2 + <idle>-0 2dN.3 4us : hrtimer_cancel: hrtimer=ffff88007d50d5e0 + <idle>-0 2dN.3 4us : hrtimer_start: hrtimer=ffff88007d50d5e0 function=tick_sched_timer expires=34311211000000 softexpires=34311211000000 + <idle>-0 2.N.2 5us : rcu_utilization: Start context switch + <idle>-0 2.N.2 5us : rcu_utilization: End context switch + <idle>-0 2d..3 6us : __schedule <-schedule + <idle>-0 2d..3 6us : 0:120:R ==> [002] 5882: 94:R sleep + function -------- @@ -1039,6 +1653,7 @@ function This tracer is the function tracer. Enabling the function tracer can be done from the debug file system. Make sure the ftrace_enabled is set; otherwise this tracer is a nop. +See the "ftrace_enabled" section below. # sysctl kernel.ftrace_enabled=1 # echo function > current_tracer @@ -1048,23 +1663,23 @@ ftrace_enabled is set; otherwise this tracer is a nop. # cat trace # tracer: function # -# TASK-PID CPU# TIMESTAMP FUNCTION -# | | | | | - bash-4003 [00] 123.638713: finish_task_switch <-schedule - bash-4003 [00] 123.638714: _spin_unlock_irq <-finish_task_switch - bash-4003 [00] 123.638714: sub_preempt_count <-_spin_unlock_irq - bash-4003 [00] 123.638715: hrtick_set <-schedule - bash-4003 [00] 123.638715: _spin_lock_irqsave <-hrtick_set - bash-4003 [00] 123.638716: add_preempt_count <-_spin_lock_irqsave - bash-4003 [00] 123.638716: _spin_unlock_irqrestore <-hrtick_set - bash-4003 [00] 123.638717: sub_preempt_count <-_spin_unlock_irqrestore - bash-4003 [00] 123.638717: hrtick_clear <-hrtick_set - bash-4003 [00] 123.638718: sub_preempt_count <-schedule - bash-4003 [00] 123.638718: sub_preempt_count <-preempt_schedule - bash-4003 [00] 123.638719: wait_for_completion <-__stop_machine_run - bash-4003 [00] 123.638719: wait_for_common <-wait_for_completion - bash-4003 [00] 123.638720: _spin_lock_irq <-wait_for_common - bash-4003 [00] 123.638720: add_preempt_count <-_spin_lock_irq +# entries-in-buffer/entries-written: 24799/24799 #P:4 +# +# _-----=> irqs-off +# / _----=> need-resched +# | / _---=> hardirq/softirq +# || / _--=> preempt-depth +# ||| / delay +# TASK-PID CPU# |||| TIMESTAMP FUNCTION +# | | | |||| | | + bash-1994 [002] .... 3082.063030: mutex_unlock <-rb_simple_write + bash-1994 [002] .... 3082.063031: __mutex_unlock_slowpath <-mutex_unlock + bash-1994 [002] .... 3082.063031: __fsnotify_parent <-fsnotify_modify + bash-1994 [002] .... 3082.063032: fsnotify <-fsnotify_modify + bash-1994 [002] .... 3082.063032: __srcu_read_lock <-fsnotify + bash-1994 [002] .... 3082.063032: add_preempt_count <-__srcu_read_lock + bash-1994 [002] ...1 3082.063032: sub_preempt_count <-__srcu_read_lock + bash-1994 [002] .... 3082.063033: __srcu_read_unlock <-fsnotify [...] @@ -1214,79 +1829,19 @@ int main (int argc, char **argv) return 0; } +Or this simple script! -hw-branch-tracer (x86 only) ---------------------------- - -This tracer uses the x86 last branch tracing hardware feature to -collect a branch trace on all cpus with relatively low overhead. - -The tracer uses a fixed-size circular buffer per cpu and only -traces ring 0 branches. The trace file dumps that buffer in the -following format: - -# tracer: hw-branch-tracer -# -# CPU# TO <- FROM - 0 scheduler_tick+0xb5/0x1bf <- task_tick_idle+0x5/0x6 - 2 run_posix_cpu_timers+0x2b/0x72a <- run_posix_cpu_timers+0x25/0x72a - 0 scheduler_tick+0x139/0x1bf <- scheduler_tick+0xed/0x1bf - 0 scheduler_tick+0x17c/0x1bf <- scheduler_tick+0x148/0x1bf - 2 run_posix_cpu_timers+0x9e/0x72a <- run_posix_cpu_timers+0x5e/0x72a - 0 scheduler_tick+0x1b6/0x1bf <- scheduler_tick+0x1aa/0x1bf - - -The tracer may be used to dump the trace for the oops'ing cpu on -a kernel oops into the system log. To enable this, -ftrace_dump_on_oops must be set. To set ftrace_dump_on_oops, one -can either use the sysctl function or set it via the proc system -interface. - - sysctl kernel.ftrace_dump_on_oops=n - -or - - echo n > /proc/sys/kernel/ftrace_dump_on_oops - -If n = 1, ftrace will dump buffers of all CPUs, if n = 2 ftrace will -only dump the buffer of the CPU that triggered the oops. - -Here's an example of such a dump after a null pointer -dereference in a kernel module: - -[57848.105921] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 -[57848.106019] IP: [<ffffffffa0000006>] open+0x6/0x14 [oops] -[57848.106019] PGD 2354e9067 PUD 2375e7067 PMD 0 -[57848.106019] Oops: 0002 [#1] SMP -[57848.106019] last sysfs file: /sys/devices/pci0000:00/0000:00:1e.0/0000:20:05.0/local_cpus -[57848.106019] Dumping ftrace buffer: -[57848.106019] --------------------------------- -[...] -[57848.106019] 0 chrdev_open+0xe6/0x165 <- cdev_put+0x23/0x24 -[57848.106019] 0 chrdev_open+0x117/0x165 <- chrdev_open+0xfa/0x165 -[57848.106019] 0 chrdev_open+0x120/0x165 <- chrdev_open+0x11c/0x165 -[57848.106019] 0 chrdev_open+0x134/0x165 <- chrdev_open+0x12b/0x165 -[57848.106019] 0 open+0x0/0x14 [oops] <- chrdev_open+0x144/0x165 -[57848.106019] 0 page_fault+0x0/0x30 <- open+0x6/0x14 [oops] -[57848.106019] 0 error_entry+0x0/0x5b <- page_fault+0x4/0x30 -[57848.106019] 0 error_kernelspace+0x0/0x31 <- error_entry+0x59/0x5b -[57848.106019] 0 error_sti+0x0/0x1 <- error_kernelspace+0x2d/0x31 -[57848.106019] 0 page_fault+0x9/0x30 <- error_sti+0x0/0x1 -[57848.106019] 0 do_page_fault+0x0/0x881 <- page_fault+0x1a/0x30 -[...] -[57848.106019] 0 do_page_fault+0x66b/0x881 <- is_prefetch+0x1ee/0x1f2 -[57848.106019] 0 do_page_fault+0x6e0/0x881 <- do_page_fault+0x67a/0x881 -[57848.106019] 0 oops_begin+0x0/0x96 <- do_page_fault+0x6e0/0x881 -[57848.106019] 0 trace_hw_branch_oops+0x0/0x2d <- oops_begin+0x9/0x96 -[...] -[57848.106019] 0 ds_suspend_bts+0x2a/0xe3 <- ds_suspend_bts+0x1a/0xe3 -[57848.106019] --------------------------------- -[57848.106019] CPU 0 -[57848.106019] Modules linked in: oops -[57848.106019] Pid: 5542, comm: cat Tainted: G W 2.6.28 #23 -[57848.106019] RIP: 0010:[<ffffffffa0000006>] [<ffffffffa0000006>] open+0x6/0x14 [oops] -[57848.106019] RSP: 0018:ffff880235457d48 EFLAGS: 00010246 -[...] +------ +#!/bin/bash + +debugfs=`sed -ne 's/^debugfs \(.*\) debugfs.*/\1/p' /proc/mounts` +echo nop > $debugfs/tracing/current_tracer +echo 0 > $debugfs/tracing/tracing_on +echo $$ > $debugfs/tracing/set_ftrace_pid +echo function > $debugfs/tracing/current_tracer +echo 1 > $debugfs/tracing/tracing_on +exec "$@" +------ function graph tracer @@ -1473,16 +2028,18 @@ starts of pointing to a simple return. (Enabling FTRACE will include the -pg switch in the compiling of the kernel.) At compile time every C file object is run through the -recordmcount.pl script (located in the scripts directory). This -script will process the C object using objdump to find all the -locations in the .text section that call mcount. (Note, only the -.text section is processed, since processing other sections like -.init.text may cause races due to those sections being freed). +recordmcount program (located in the scripts directory). This +program will parse the ELF headers in the C object to find all +the locations in the .text section that call mcount. (Note, only +white listed .text sections are processed, since processing other +sections like .init.text may cause races due to those sections +being freed unexpectedly). A new section called "__mcount_loc" is created that holds references to all the mcount call sites in the .text section. -This section is compiled back into the original object. The -final linker will add all these references into a single table. +The recordmcount program re-links this section back into the +original object. The final linking stage of the kernel will add all these +references into a single table. On boot up, before SMP is initialized, the dynamic ftrace code scans this table and updates all the locations into nops. It @@ -1493,13 +2050,25 @@ unloaded, it also removes its functions from the ftrace function list. This is automatic in the module unload code, and the module author does not need to worry about it. -When tracing is enabled, kstop_machine is called to prevent -races with the CPUS executing code being modified (which can -cause the CPU to do undesirable things), and the nops are +When tracing is enabled, the process of modifying the function +tracepoints is dependent on architecture. The old method is to use +kstop_machine to prevent races with the CPUs executing code being +modified (which can cause the CPU to do undesirable things, especially +if the modified code crosses cache (or page) boundaries), and the nops are patched back to calls. But this time, they do not call mcount (which is just a function stub). They now call into the ftrace infrastructure. +The new method of modifying the function tracepoints is to place +a breakpoint at the location to be modified, sync all CPUs, modify +the rest of the instruction not covered by the breakpoint. Sync +all CPUs again, and then remove the breakpoint with the finished +version to the ftrace call site. + +Some archs do not even need to monkey around with the synchronization, +and can just slap the new code on top of the old without any +problems with other CPUs executing it at the same time. + One special side-effect to the recording of the functions being traced is that we can now selectively choose which functions we wish to trace and which ones we want the mcount calls to remain @@ -1530,20 +2099,28 @@ mutex_lock If I am only interested in sys_nanosleep and hrtimer_interrupt: - # echo sys_nanosleep hrtimer_interrupt \ - > set_ftrace_filter + # echo sys_nanosleep hrtimer_interrupt > set_ftrace_filter # echo function > current_tracer # echo 1 > tracing_on # usleep 1 # echo 0 > tracing_on # cat trace -# tracer: ftrace +# tracer: function +# +# entries-in-buffer/entries-written: 5/5 #P:4 # -# TASK-PID CPU# TIMESTAMP FUNCTION -# | | | | | - usleep-4134 [00] 1317.070017: hrtimer_interrupt <-smp_apic_timer_interrupt - usleep-4134 [00] 1317.070111: sys_nanosleep <-syscall_call - <idle>-0 [00] 1317.070115: hrtimer_interrupt <-smp_apic_timer_interrupt +# _-----=> irqs-off +# / _----=> need-resched +# | / _---=> hardirq/softirq +# || / _--=> preempt-depth +# ||| / delay +# TASK-PID CPU# |||| TIMESTAMP FUNCTION +# | | | |||| | | + usleep-2665 [001] .... 4186.475355: sys_nanosleep <-system_call_fastpath + <idle>-0 [001] d.h1 4186.475409: hrtimer_interrupt <-smp_apic_timer_interrupt + usleep-2665 [001] d.h1 4186.475426: hrtimer_interrupt <-smp_apic_timer_interrupt + <idle>-0 [003] d.h1 4186.475426: hrtimer_interrupt <-smp_apic_timer_interrupt + <idle>-0 [002] d.h1 4186.475427: hrtimer_interrupt <-smp_apic_timer_interrupt To see which functions are being traced, you can cat the file: @@ -1571,20 +2148,25 @@ Note: It is better to use quotes to enclose the wild cards, Produces: -# tracer: ftrace +# tracer: function # -# TASK-PID CPU# TIMESTAMP FUNCTION -# | | | | | - bash-4003 [00] 1480.611794: hrtimer_init <-copy_process - bash-4003 [00] 1480.611941: hrtimer_start <-hrtick_set - bash-4003 [00] 1480.611956: hrtimer_cancel <-hrtick_clear - bash-4003 [00] 1480.611956: hrtimer_try_to_cancel <-hrtimer_cancel - <idle>-0 [00] 1480.612019: hrtimer_get_next_event <-get_next_timer_interrupt - <idle>-0 [00] 1480.612025: hrtimer_get_next_event <-get_next_timer_interrupt - <idle>-0 [00] 1480.612032: hrtimer_get_next_event <-get_next_timer_interrupt - <idle>-0 [00] 1480.612037: hrtimer_get_next_event <-get_next_timer_interrupt - <idle>-0 [00] 1480.612382: hrtimer_get_next_event <-get_next_timer_interrupt - +# entries-in-buffer/entries-written: 897/897 #P:4 +# +# _-----=> irqs-off +# / _----=> need-resched +# | / _---=> hardirq/softirq +# || / _--=> preempt-depth +# ||| / delay +# TASK-PID CPU# |||| TIMESTAMP FUNCTION +# | | | |||| | | + <idle>-0 [003] dN.1 4228.547803: hrtimer_cancel <-tick_nohz_idle_exit + <idle>-0 [003] dN.1 4228.547804: hrtimer_try_to_cancel <-hrtimer_cancel + <idle>-0 [003] dN.2 4228.547805: hrtimer_force_reprogram <-__remove_hrtimer + <idle>-0 [003] dN.1 4228.547805: hrtimer_forward <-tick_nohz_idle_exit + <idle>-0 [003] dN.1 4228.547805: hrtimer_start_range_ns <-hrtimer_start_expires.constprop.11 + <idle>-0 [003] d..1 4228.547858: hrtimer_get_next_event <-get_next_timer_interrupt + <idle>-0 [003] d..1 4228.547859: hrtimer_start <-__tick_nohz_idle_enter + <idle>-0 [003] d..2 4228.547860: hrtimer_force_reprogram <-__rem Notice that we lost the sys_nanosleep. @@ -1651,19 +2233,29 @@ traced. Produces: -# tracer: ftrace +# tracer: function +# +# entries-in-buffer/entries-written: 39608/39608 #P:4 # -# TASK-PID CPU# TIMESTAMP FUNCTION -# | | | | | - bash-4043 [01] 115.281644: finish_task_switch <-schedule - bash-4043 [01] 115.281645: hrtick_set <-schedule - bash-4043 [01] 115.281645: hrtick_clear <-hrtick_set - bash-4043 [01] 115.281646: wait_for_completion <-__stop_machine_run - bash-4043 [01] 115.281647: wait_for_common <-wait_for_completion - bash-4043 [01] 115.281647: kthread_stop <-stop_machine_run - bash-4043 [01] 115.281648: init_waitqueue_head <-kthread_stop - bash-4043 [01] 115.281648: wake_up_process <-kthread_stop - bash-4043 [01] 115.281649: try_to_wake_up <-wake_up_process +# _-----=> irqs-off +# / _----=> need-resched +# | / _---=> hardirq/softirq +# || / _--=> preempt-depth +# ||| / delay +# TASK-PID CPU# |||| TIMESTAMP FUNCTION +# | | | |||| | | + bash-1994 [000] .... 4342.324896: file_ra_state_init <-do_dentry_open + bash-1994 [000] .... 4342.324897: open_check_o_direct <-do_last + bash-1994 [000] .... 4342.324897: ima_file_check <-do_last + bash-1994 [000] .... 4342.324898: process_measurement <-ima_file_check + bash-1994 [000] .... 4342.324898: ima_get_action <-process_measurement + bash-1994 [000] .... 4342.324898: ima_match_policy <-ima_get_action + bash-1994 [000] .... 4342.324899: do_truncate <-do_last + bash-1994 [000] .... 4342.324899: should_remove_suid <-do_truncate + bash-1994 [000] .... 4342.324899: notify_change <-do_truncate + bash-1994 [000] .... 4342.324900: current_fs_time <-notify_change + bash-1994 [000] .... 4342.324900: current_kernel_time <-current_fs_time + bash-1994 [000] .... 4342.324900: timespec_trunc <-current_fs_time We can see that there's no more lock or preempt tracing. @@ -1729,6 +2321,28 @@ this special filter via: echo > set_graph_function +ftrace_enabled +-------------- + +Note, the proc sysctl ftrace_enable is a big on/off switch for the +function tracer. By default it is enabled (when function tracing is +enabled in the kernel). If it is disabled, all function tracing is +disabled. This includes not only the function tracers for ftrace, but +also for any other uses (perf, kprobes, stack tracing, profiling, etc). + +Please disable this with care. + +This can be disable (and enabled) with: + + sysctl kernel.ftrace_enabled=0 + sysctl kernel.ftrace_enabled=1 + + or + + echo 0 > /proc/sys/kernel/ftrace_enabled + echo 1 > /proc/sys/kernel/ftrace_enabled + + Filter commands --------------- @@ -1763,12 +2377,58 @@ The following commands are supported: echo '__schedule_bug:traceoff:5' > set_ftrace_filter + To always disable tracing when __schedule_bug is hit: + + echo '__schedule_bug:traceoff' > set_ftrace_filter + These commands are cumulative whether or not they are appended to set_ftrace_filter. To remove a command, prepend it by '!' and drop the parameter: + echo '!__schedule_bug:traceoff:0' > set_ftrace_filter + + The above removes the traceoff command for __schedule_bug + that have a counter. To remove commands without counters: + echo '!__schedule_bug:traceoff' > set_ftrace_filter +- snapshot + Will cause a snapshot to be triggered when the function is hit. + + echo 'native_flush_tlb_others:snapshot' > set_ftrace_filter + + To only snapshot once: + + echo 'native_flush_tlb_others:snapshot:1' > set_ftrace_filter + + To remove the above commands: + + echo '!native_flush_tlb_others:snapshot' > set_ftrace_filter + echo '!native_flush_tlb_others:snapshot:0' > set_ftrace_filter + +- enable_event/disable_event + These commands can enable or disable a trace event. Note, because + function tracing callbacks are very sensitive, when these commands + are registered, the trace point is activated, but disabled in + a "soft" mode. That is, the tracepoint will be called, but + just will not be traced. The event tracepoint stays in this mode + as long as there's a command that triggers it. + + echo 'try_to_wake_up:enable_event:sched:sched_switch:2' > \ + set_ftrace_filter + + The format is: + + <function>:enable_event:<system>:<event>[:count] + <function>:disable_event:<system>:<event>[:count] + + To remove the events commands: + + + echo '!try_to_wake_up:enable_event:sched:sched_switch:0' > \ + set_ftrace_filter + echo '!schedule:disable_event:sched:sched_switch' > \ + set_ftrace_filter trace_pipe ---------- @@ -1787,28 +2447,31 @@ different. The trace is live. # cat trace # tracer: function # -# TASK-PID CPU# TIMESTAMP FUNCTION -# | | | | | +# entries-in-buffer/entries-written: 0/0 #P:4 +# +# _-----=> irqs-off +# / _----=> need-resched +# | / _---=> hardirq/softirq +# || / _--=> preempt-depth +# ||| / delay +# TASK-PID CPU# |||| TIMESTAMP FUNCTION +# | | | |||| | | # # cat /tmp/trace.out - bash-4043 [00] 41.267106: finish_task_switch <-schedule - bash-4043 [00] 41.267106: hrtick_set <-schedule - bash-4043 [00] 41.267107: hrtick_clear <-hrtick_set - bash-4043 [00] 41.267108: wait_for_completion <-__stop_machine_run - bash-4043 [00] 41.267108: wait_for_common <-wait_for_completion - bash-4043 [00] 41.267109: kthread_stop <-stop_machine_run - bash-4043 [00] 41.267109: init_waitqueue_head <-kthread_stop - bash-4043 [00] 41.267110: wake_up_process <-kthread_stop - bash-4043 [00] 41.267110: try_to_wake_up <-wake_up_process - bash-4043 [00] 41.267111: select_task_rq_rt <-try_to_wake_up + bash-1994 [000] .... 5281.568961: mutex_unlock <-rb_simple_write + bash-1994 [000] .... 5281.568963: __mutex_unlock_slowpath <-mutex_unlock + bash-1994 [000] .... 5281.568963: __fsnotify_parent <-fsnotify_modify + bash-1994 [000] .... 5281.568964: fsnotify <-fsnotify_modify + bash-1994 [000] .... 5281.568964: __srcu_read_lock <-fsnotify + bash-1994 [000] .... 5281.568964: add_preempt_count <-__srcu_read_lock + bash-1994 [000] ...1 5281.568965: sub_preempt_count <-__srcu_read_lock + bash-1994 [000] .... 5281.568965: __srcu_read_unlock <-fsnotify + bash-1994 [000] .... 5281.568967: sys_dup2 <-system_call_fastpath Note, reading the trace_pipe file will block until more input is -added. By changing the tracer, trace_pipe will issue an EOF. We -needed to set the function tracer _before_ we "cat" the -trace_pipe file. - +added. trace entries ------------- @@ -1817,31 +2480,50 @@ Having too much or not enough data can be troublesome in diagnosing an issue in the kernel. The file buffer_size_kb is used to modify the size of the internal trace buffers. The number listed is the number of entries that can be recorded per -CPU. To know the full size, multiply the number of possible CPUS +CPU. To know the full size, multiply the number of possible CPUs with the number of entries. # cat buffer_size_kb 1408 (units kilobytes) -Note, to modify this, you must have tracing completely disabled. -To do that, echo "nop" into the current_tracer. If the -current_tracer is not set to "nop", an EINVAL error will be -returned. +Or simply read buffer_total_size_kb + + # cat buffer_total_size_kb +5632 + +To modify the buffer, simple echo in a number (in 1024 byte segments). - # echo nop > current_tracer # echo 10000 > buffer_size_kb # cat buffer_size_kb 10000 (units kilobytes) -The number of pages which will be allocated is limited to a -percentage of available memory. Allocating too much will produce -an error. +It will try to allocate as much as possible. If you allocate too +much, it can cause Out-Of-Memory to trigger. # echo 1000000000000 > buffer_size_kb -bash: echo: write error: Cannot allocate memory # cat buffer_size_kb 85 +The per_cpu buffers can be changed individually as well: + + # echo 10000 > per_cpu/cpu0/buffer_size_kb + # echo 100 > per_cpu/cpu1/buffer_size_kb + +When the per_cpu buffers are not the same, the buffer_size_kb +at the top level will just show an X + + # cat buffer_size_kb +X + +This is where the buffer_total_size_kb is useful: + + # cat buffer_total_size_kb +12916 + +Writing to the top level buffer_size_kb will reset all the buffers +to be the same again. + Snapshot -------- CONFIG_TRACER_SNAPSHOT makes a generic snapshot feature @@ -1925,7 +2607,188 @@ bash: echo: write error: Device or resource busy # cat snapshot cat: snapshot: Device or resource busy + +Instances +--------- +In the debugfs tracing directory is a directory called "instances". +This directory can have new directories created inside of it using +mkdir, and removing directories with rmdir. The directory created +with mkdir in this directory will already contain files and other +directories after it is created. + + # mkdir instances/foo + # ls instances/foo +buffer_size_kb buffer_total_size_kb events free_buffer per_cpu +set_event snapshot trace trace_clock trace_marker trace_options +trace_pipe tracing_on + +As you can see, the new directory looks similar to the tracing directory +itself. In fact, it is very similar, except that the buffer and +events are agnostic from the main director, or from any other +instances that are created. + +The files in the new directory work just like the files with the +same name in the tracing directory except the buffer that is used +is a separate and new buffer. The files affect that buffer but do not +affect the main buffer with the exception of trace_options. Currently, +the trace_options affect all instances and the top level buffer +the same, but this may change in future releases. That is, options +may become specific to the instance they reside in. + +Notice that none of the function tracer files are there, nor is +current_tracer and available_tracers. This is because the buffers +can currently only have events enabled for them. + + # mkdir instances/foo + # mkdir instances/bar + # mkdir instances/zoot + # echo 100000 > buffer_size_kb + # echo 1000 > instances/foo/buffer_size_kb + # echo 5000 > instances/bar/per_cpu/cpu1/buffer_size_kb + # echo function > current_trace + # echo 1 > instances/foo/events/sched/sched_wakeup/enable + # echo 1 > instances/foo/events/sched/sched_wakeup_new/enable + # echo 1 > instances/foo/events/sched/sched_switch/enable + # echo 1 > instances/bar/events/irq/enable + # echo 1 > instances/zoot/events/syscalls/enable + # cat trace_pipe +CPU:2 [LOST 11745 EVENTS] + bash-2044 [002] .... 10594.481032: _raw_spin_lock_irqsave <-get_page_from_freelist + bash-2044 [002] d... 10594.481032: add_preempt_count <-_raw_spin_lock_irqsave + bash-2044 [002] d..1 10594.481032: __rmqueue <-get_page_from_freelist + bash-2044 [002] d..1 10594.481033: _raw_spin_unlock <-get_page_from_freelist + bash-2044 [002] d..1 10594.481033: sub_preempt_count <-_raw_spin_unlock + bash-2044 [002] d... 10594.481033: get_pageblock_flags_group <-get_pageblock_migratetype + bash-2044 [002] d... 10594.481034: __mod_zone_page_state <-get_page_from_freelist + bash-2044 [002] d... 10594.481034: zone_statistics <-get_page_from_freelist + bash-2044 [002] d... 10594.481034: __inc_zone_state <-zone_statistics + bash-2044 [002] d... 10594.481034: __inc_zone_state <-zone_statistics + bash-2044 [002] .... 10594.481035: arch_dup_task_struct <-copy_process +[...] + + # cat instances/foo/trace_pipe + bash-1998 [000] d..4 136.676759: sched_wakeup: comm=kworker/0:1 pid=59 prio=120 success=1 target_cpu=000 + bash-1998 [000] dN.4 136.676760: sched_wakeup: comm=bash pid=1998 prio=120 success=1 target_cpu=000 + <idle>-0 [003] d.h3 136.676906: sched_wakeup: comm=rcu_preempt pid=9 prio=120 success=1 target_cpu=003 + <idle>-0 [003] d..3 136.676909: sched_switch: prev_comm=swapper/3 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=rcu_preempt next_pid=9 next_prio=120 + rcu_preempt-9 [003] d..3 136.676916: sched_switch: prev_comm=rcu_preempt prev_pid=9 prev_prio=120 prev_state=S ==> next_comm=swapper/3 next_pid=0 next_prio=120 + bash-1998 [000] d..4 136.677014: sched_wakeup: comm=kworker/0:1 pid=59 prio=120 success=1 target_cpu=000 + bash-1998 [000] dN.4 136.677016: sched_wakeup: comm=bash pid=1998 prio=120 success=1 target_cpu=000 + bash-1998 [000] d..3 136.677018: sched_switch: prev_comm=bash prev_pid=1998 prev_prio=120 prev_state=R+ ==> next_comm=kworker/0:1 next_pid=59 next_prio=120 + kworker/0:1-59 [000] d..4 136.677022: sched_wakeup: comm=sshd pid=1995 prio=120 success=1 target_cpu=001 + kworker/0:1-59 [000] d..3 136.677025: sched_switch: prev_comm=kworker/0:1 prev_pid=59 prev_prio=120 prev_state=S ==> next_comm=bash next_pid=1998 next_prio=120 +[...] + + # cat instances/bar/trace_pipe + migration/1-14 [001] d.h3 138.732674: softirq_raise: vec=3 [action=NET_RX] + <idle>-0 [001] dNh3 138.732725: softirq_raise: vec=3 [action=NET_RX] + bash-1998 [000] d.h1 138.733101: softirq_raise: vec=1 [action=TIMER] + bash-1998 [000] d.h1 138.733102: softirq_raise: vec=9 [action=RCU] + bash-1998 [000] ..s2 138.733105: softirq_entry: vec=1 [action=TIMER] + bash-1998 [000] ..s2 138.733106: softirq_exit: vec=1 [action=TIMER] + bash-1998 [000] ..s2 138.733106: softirq_entry: vec=9 [action=RCU] + bash-1998 [000] ..s2 138.733109: softirq_exit: vec=9 [action=RCU] + sshd-1995 [001] d.h1 138.733278: irq_handler_entry: irq=21 name=uhci_hcd:usb4 + sshd-1995 [001] d.h1 138.733280: irq_handler_exit: irq=21 ret=unhandled + sshd-1995 [001] d.h1 138.733281: irq_handler_entry: irq=21 name=eth0 + sshd-1995 [001] d.h1 138.733283: irq_handler_exit: irq=21 ret=handled +[...] + + # cat instances/zoot/trace +# tracer: nop +# +# entries-in-buffer/entries-written: 18996/18996 #P:4 +# +# _-----=> irqs-off +# / _----=> need-resched +# | / _---=> hardirq/softirq +# || / _--=> preempt-depth +# ||| / delay +# TASK-PID CPU# |||| TIMESTAMP FUNCTION +# | | | |||| | | + bash-1998 [000] d... 140.733501: sys_write -> 0x2 + bash-1998 [000] d... 140.733504: sys_dup2(oldfd: a, newfd: 1) + bash-1998 [000] d... 140.733506: sys_dup2 -> 0x1 + bash-1998 [000] d... 140.733508: sys_fcntl(fd: a, cmd: 1, arg: 0) + bash-1998 [000] d... 140.733509: sys_fcntl -> 0x1 + bash-1998 [000] d... 140.733510: sys_close(fd: a) + bash-1998 [000] d... 140.733510: sys_close -> 0x0 + bash-1998 [000] d... 140.733514: sys_rt_sigprocmask(how: 0, nset: 0, oset: 6e2768, sigsetsize: 8) + bash-1998 [000] d... 140.733515: sys_rt_sigprocmask -> 0x0 + bash-1998 [000] d... 140.733516: sys_rt_sigaction(sig: 2, act: 7fff718846f0, oact: 7fff71884650, sigsetsize: 8) + bash-1998 [000] d... 140.733516: sys_rt_sigaction -> 0x0 + +You can see that the trace of the top most trace buffer shows only +the function tracing. The foo instance displays wakeups and task +switches. + +To remove the instances, simply delete their directories: + + # rmdir instances/foo + # rmdir instances/bar + # rmdir instances/zoot + +Note, if a process has a trace file open in one of the instance +directories, the rmdir will fail with EBUSY. + + +Stack trace ----------- +Since the kernel has a fixed sized stack, it is important not to +waste it in functions. A kernel developer must be conscience of +what they allocate on the stack. If they add too much, the system +can be in danger of a stack overflow, and corruption will occur, +usually leading to a system panic. + +There are some tools that check this, usually with interrupts +periodically checking usage. But if you can perform a check +at every function call that will become very useful. As ftrace provides +a function tracer, it makes it convenient to check the stack size +at every function call. This is enabled via the stack tracer. + +CONFIG_STACK_TRACER enables the ftrace stack tracing functionality. +To enable it, write a '1' into /proc/sys/kernel/stack_tracer_enabled. + + # echo 1 > /proc/sys/kernel/stack_tracer_enabled + +You can also enable it from the kernel command line to trace +the stack size of the kernel during boot up, by adding "stacktrace" +to the kernel command line parameter. + +After running it for a few minutes, the output looks like: + + # cat stack_max_size +2928 + + # cat stack_trace + Depth Size Location (18 entries) + ----- ---- -------- + 0) 2928 224 update_sd_lb_stats+0xbc/0x4ac + 1) 2704 160 find_busiest_group+0x31/0x1f1 + 2) 2544 256 load_balance+0xd9/0x662 + 3) 2288 80 idle_balance+0xbb/0x130 + 4) 2208 128 __schedule+0x26e/0x5b9 + 5) 2080 16 schedule+0x64/0x66 + 6) 2064 128 schedule_timeout+0x34/0xe0 + 7) 1936 112 wait_for_common+0x97/0xf1 + 8) 1824 16 wait_for_completion+0x1d/0x1f + 9) 1808 128 flush_work+0xfe/0x119 + 10) 1680 16 tty_flush_to_ldisc+0x1e/0x20 + 11) 1664 48 input_available_p+0x1d/0x5c + 12) 1616 48 n_tty_poll+0x6d/0x134 + 13) 1568 64 tty_poll+0x64/0x7f + 14) 1504 880 do_select+0x31e/0x511 + 15) 624 400 core_sys_select+0x177/0x216 + 16) 224 96 sys_select+0x91/0xb9 + 17) 128 128 system_call_fastpath+0x16/0x1b + +Note, if -mfentry is being used by gcc, functions get traced before +they set up the stack frame. This means that leaf level functions +are not tested by the stack tracer when -mfentry is used. + +Currently, -mfentry is used by gcc 4.6.0 and above on x86 only. + +--------- More details can be found in the source code, in the kernel/trace/*.c files. diff --git a/Documentation/trace/tracepoints.txt b/Documentation/trace/tracepoints.txt index c0e1ceed75a4..da49437d5aeb 100644 --- a/Documentation/trace/tracepoints.txt +++ b/Documentation/trace/tracepoints.txt @@ -81,7 +81,6 @@ tracepoint_synchronize_unregister() must be called before the end of the module exit function to make sure there is no caller left using the probe. This, and the fact that preemption is disabled around the probe call, make sure that probe removal and module unload are safe. -See the "Probe example" section below for a sample probe module. The tracepoint mechanism supports inserting multiple instances of the same tracepoint, but a single definition must be made of a given @@ -100,17 +99,3 @@ core kernel image or in modules. If the tracepoint has to be used in kernel modules, an EXPORT_TRACEPOINT_SYMBOL_GPL() or EXPORT_TRACEPOINT_SYMBOL() can be used to export the defined tracepoints. - -* Probe / tracepoint example - -See the example provided in samples/tracepoints - -Compile them with your kernel. They are built during 'make' (not -'make modules') when CONFIG_SAMPLE_TRACEPOINTS=m. - -Run, as root : -modprobe tracepoint-sample (insmod order is not important) -modprobe tracepoint-probe-sample -cat /proc/tracepoint-sample (returns an expected error) -rmmod tracepoint-sample tracepoint-probe-sample -dmesg diff --git a/Documentation/trace/uprobetracer.txt b/Documentation/trace/uprobetracer.txt index 24ce6823a09e..d9c3e682312c 100644 --- a/Documentation/trace/uprobetracer.txt +++ b/Documentation/trace/uprobetracer.txt @@ -1,6 +1,8 @@ - Uprobe-tracer: Uprobe-based Event Tracing - ========================================= - Documentation written by Srikar Dronamraju + Uprobe-tracer: Uprobe-based Event Tracing + ========================================= + + Documentation written by Srikar Dronamraju + Overview -------- @@ -13,78 +15,94 @@ current_tracer. Instead of that, add probe points via /sys/kernel/debug/tracing/events/uprobes/<EVENT>/enabled. However unlike kprobe-event tracer, the uprobe event interface expects the -user to calculate the offset of the probepoint in the object +user to calculate the offset of the probepoint in the object. Synopsis of uprobe_tracer ------------------------- - p[:[GRP/]EVENT] PATH:SYMBOL[+offs] [FETCHARGS] : Set a probe + p[:[GRP/]EVENT] PATH:SYMBOL[+offs] [FETCHARGS] : Set a uprobe + r[:[GRP/]EVENT] PATH:SYMBOL[+offs] [FETCHARGS] : Set a return uprobe (uretprobe) + -:[GRP/]EVENT : Clear uprobe or uretprobe event - GRP : Group name. If omitted, use "uprobes" for it. - EVENT : Event name. If omitted, the event name is generated - based on SYMBOL+offs. - PATH : path to an executable or a library. - SYMBOL[+offs] : Symbol+offset where the probe is inserted. + GRP : Group name. If omitted, "uprobes" is the default value. + EVENT : Event name. If omitted, the event name is generated based + on SYMBOL+offs. + PATH : Path to an executable or a library. + SYMBOL[+offs] : Symbol+offset where the probe is inserted. - FETCHARGS : Arguments. Each probe can have up to 128 args. - %REG : Fetch register REG + FETCHARGS : Arguments. Each probe can have up to 128 args. + %REG : Fetch register REG Event Profiling --------------- - You can check the total number of probe hits and probe miss-hits via +You can check the total number of probe hits and probe miss-hits via /sys/kernel/debug/tracing/uprobe_profile. - The first column is event name, the second is the number of probe hits, +The first column is event name, the second is the number of probe hits, the third is the number of probe miss-hits. Usage examples -------------- -To add a probe as a new event, write a new definition to uprobe_events -as below. + * Add a probe as a new uprobe event, write a new definition to uprobe_events +as below: (sets a uprobe at an offset of 0x4245c0 in the executable /bin/bash) + + echo 'p: /bin/bash:0x4245c0' > /sys/kernel/debug/tracing/uprobe_events + + * Add a probe as a new uretprobe event: + + echo 'r: /bin/bash:0x4245c0' > /sys/kernel/debug/tracing/uprobe_events + + * Unset registered event: - echo 'p: /bin/bash:0x4245c0' > /sys/kernel/debug/tracing/uprobe_events + echo '-:bash_0x4245c0' >> /sys/kernel/debug/tracing/uprobe_events - This sets a uprobe at an offset of 0x4245c0 in the executable /bin/bash + * Print out the events that are registered: - echo > /sys/kernel/debug/tracing/uprobe_events + cat /sys/kernel/debug/tracing/uprobe_events - This clears all probe points. + * Clear all events: -The following example shows how to dump the instruction pointer and %ax -a register at the probed text address. Here we are trying to probe -function zfree in /bin/zsh + echo > /sys/kernel/debug/tracing/uprobe_events + +Following example shows how to dump the instruction pointer and %ax register +at the probed text address. Probe zfree function in /bin/zsh: # cd /sys/kernel/debug/tracing/ - # cat /proc/`pgrep zsh`/maps | grep /bin/zsh | grep r-xp + # cat /proc/`pgrep zsh`/maps | grep /bin/zsh | grep r-xp 00400000-0048a000 r-xp 00000000 08:03 130904 /bin/zsh # objdump -T /bin/zsh | grep -w zfree 0000000000446420 g DF .text 0000000000000012 Base zfree -0x46420 is the offset of zfree in object /bin/zsh that is loaded at -0x00400000. Hence the command to probe would be : + 0x46420 is the offset of zfree in object /bin/zsh that is loaded at + 0x00400000. Hence the command to uprobe would be: + + # echo 'p:zfree_entry /bin/zsh:0x46420 %ip %ax' > uprobe_events + + And the same for the uretprobe would be: - # echo 'p /bin/zsh:0x46420 %ip %ax' > uprobe_events + # echo 'r:zfree_exit /bin/zsh:0x46420 %ip %ax' >> uprobe_events -Please note: User has to explicitly calculate the offset of the probepoint +Please note: User has to explicitly calculate the offset of the probe-point in the object. We can see the events that are registered by looking at the uprobe_events file. # cat uprobe_events - p:uprobes/p_zsh_0x46420 /bin/zsh:0x00046420 arg1=%ip arg2=%ax + p:uprobes/zfree_entry /bin/zsh:0x00046420 arg1=%ip arg2=%ax + r:uprobes/zfree_exit /bin/zsh:0x00046420 arg1=%ip arg2=%ax -The format of events can be seen by viewing the file events/uprobes/p_zsh_0x46420/format +Format of events can be seen by viewing the file events/uprobes/zfree_entry/format - # cat events/uprobes/p_zsh_0x46420/format - name: p_zsh_0x46420 + # cat events/uprobes/zfree_entry/format + name: zfree_entry ID: 922 format: - field:unsigned short common_type; offset:0; size:2; signed:0; - field:unsigned char common_flags; offset:2; size:1; signed:0; - field:unsigned char common_preempt_count; offset:3; size:1; signed:0; - field:int common_pid; offset:4; size:4; signed:1; - field:int common_padding; offset:8; size:4; signed:1; + field:unsigned short common_type; offset:0; size:2; signed:0; + field:unsigned char common_flags; offset:2; size:1; signed:0; + field:unsigned char common_preempt_count; offset:3; size:1; signed:0; + field:int common_pid; offset:4; size:4; signed:1; + field:int common_padding; offset:8; size:4; signed:1; - field:unsigned long __probe_ip; offset:12; size:4; signed:0; - field:u32 arg1; offset:16; size:4; signed:0; - field:u32 arg2; offset:20; size:4; signed:0; + field:unsigned long __probe_ip; offset:12; size:4; signed:0; + field:u32 arg1; offset:16; size:4; signed:0; + field:u32 arg2; offset:20; size:4; signed:0; print fmt: "(%lx) arg1=%lx arg2=%lx", REC->__probe_ip, REC->arg1, REC->arg2 @@ -94,6 +112,7 @@ events, you need to enable it by: # echo 1 > events/uprobes/enable Lets disable the event after sleeping for some time. + # sleep 20 # echo 0 > events/uprobes/enable @@ -104,10 +123,11 @@ And you can see the traced information via /sys/kernel/debug/tracing/trace. # # TASK-PID CPU# TIMESTAMP FUNCTION # | | | | | - zsh-24842 [006] 258544.995456: p_zsh_0x46420: (0x446420) arg1=446421 arg2=79 - zsh-24842 [007] 258545.000270: p_zsh_0x46420: (0x446420) arg1=446421 arg2=79 - zsh-24842 [002] 258545.043929: p_zsh_0x46420: (0x446420) arg1=446421 arg2=79 - zsh-24842 [004] 258547.046129: p_zsh_0x46420: (0x446420) arg1=446421 arg2=79 - -Each line shows us probes were triggered for a pid 24842 with ip being -0x446421 and contents of ax register being 79. + zsh-24842 [006] 258544.995456: zfree_entry: (0x446420) arg1=446420 arg2=79 + zsh-24842 [007] 258545.000270: zfree_exit: (0x446540 <- 0x446420) arg1=446540 arg2=0 + zsh-24842 [002] 258545.043929: zfree_entry: (0x446420) arg1=446420 arg2=79 + zsh-24842 [004] 258547.046129: zfree_exit: (0x446540 <- 0x446420) arg1=446540 arg2=0 + +Output shows us uprobe was triggered for a pid 24842 with ip being 0x446420 +and contents of ax register being 79. And uretprobe was triggered with ip at +0x446540 with counterpart function entry at 0x446420. diff --git a/Documentation/usb/power-management.txt b/Documentation/usb/power-management.txt index 4204eb01fd38..1392b61d6ebe 100644 --- a/Documentation/usb/power-management.txt +++ b/Documentation/usb/power-management.txt @@ -33,6 +33,10 @@ built with CONFIG_USB_SUSPEND enabled (which depends on CONFIG_PM_RUNTIME). System PM support is present only if the kernel was built with CONFIG_SUSPEND or CONFIG_HIBERNATION enabled. +(Starting with the 3.10 kernel release, dynamic PM support for USB is +present whenever the kernel was built with CONFIG_PM_RUNTIME enabled. +The CONFIG_USB_SUSPEND option has been eliminated.) + What is Remote Wakeup? ---------------------- @@ -206,10 +210,8 @@ initialized to 5. (The idle-delay values for already existing devices will not be affected.) Setting the initial default idle-delay to -1 will prevent any -autosuspend of any USB device. This is a simple alternative to -disabling CONFIG_USB_SUSPEND and rebuilding the kernel, and it has the -added benefit of allowing you to enable autosuspend for selected -devices. +autosuspend of any USB device. This has the benefit of allowing you +then to enable autosuspend for selected devices. Warnings diff --git a/Documentation/video4linux/CARDLIST.em28xx b/Documentation/video4linux/CARDLIST.em28xx index 3f12865b2a88..e81864405102 100644 --- a/Documentation/video4linux/CARDLIST.em28xx +++ b/Documentation/video4linux/CARDLIST.em28xx @@ -76,7 +76,7 @@ 76 -> KWorld PlusTV 340U or UB435-Q (ATSC) (em2870) [1b80:a340] 77 -> EM2874 Leadership ISDBT (em2874) 78 -> PCTV nanoStick T2 290e (em28174) - 79 -> Terratec Cinergy H5 (em2884) [0ccd:10a2,0ccd:10ad] + 79 -> Terratec Cinergy H5 (em2884) [0ccd:10a2,0ccd:10ad,0ccd:10b6] 80 -> PCTV DVB-S2 Stick (460e) (em28174) 81 -> Hauppauge WinTV HVR 930C (em2884) [2040:1605] 82 -> Terratec Cinergy HTC Stick (em2884) [0ccd:00b2] @@ -85,3 +85,4 @@ 85 -> PCTV QuatroStick (510e) (em2884) [2304:0242] 86 -> PCTV QuatroStick nano (520e) (em2884) [2013:0251] 87 -> Terratec Cinergy HTC USB XS (em2884) [0ccd:008e,0ccd:00ac] + 88 -> C3 Tech Digital Duo HDTV/SDTV USB (em2884) [1b80:e755] diff --git a/Documentation/video4linux/CARDLIST.tuner b/Documentation/video4linux/CARDLIST.tuner index c83f6e418879..5b83a3ff15c2 100644 --- a/Documentation/video4linux/CARDLIST.tuner +++ b/Documentation/video4linux/CARDLIST.tuner @@ -86,3 +86,6 @@ tuner=85 - Philips FQ1236 MK5 tuner=86 - Tena TNF5337 MFD tuner=87 - Xceive 4000 tuner tuner=88 - Xceive 5000C tuner +tuner=89 - Sony PAL+SECAM (BTF-PG472Z) +tuner=90 - Sony NTSC-M-JP (BTF-PK467Z) +tuner=91 - Sony NTSC-M (BTF-PB463Z) diff --git a/Documentation/video4linux/si476x.txt b/Documentation/video4linux/si476x.txt new file mode 100644 index 000000000000..d1a08db2cbd9 --- /dev/null +++ b/Documentation/video4linux/si476x.txt @@ -0,0 +1,187 @@ +SI476x Driver Readme +------------------------------------------------ + Copyright (C) 2013 Andrey Smirnov <andrew.smirnov@gmail.com> + +TODO for the driver +------------------------------ + +- According to the SiLabs' datasheet it is possible to update the + firmware of the radio chip in the run-time, thus bringing it to the + most recent version. Unfortunately I couldn't find any mentioning of + the said firmware update for the old chips that I tested the driver + against, so for chips like that the driver only exposes the old + functionality. + + +Parameters exposed over debugfs +------------------------------- +SI476x allow user to get multiple characteristics that can be very +useful for EoL testing/RF performance estimation, parameters that have +very little to do with V4L2 subsystem. Such parameters are exposed via +debugfs and can be accessed via regular file I/O operations. + +The drivers exposes following files: + +* /sys/kernel/debug/<device-name>/acf + This file contains ACF(Automatically Controlled Features) status + information. The contents of the file is binary data of the + following layout: + + Offset | Name | Description + ==================================================================== + 0x00 | blend_int | Flag, set when stereo separation has + | | crossed below the blend threshold + -------------------------------------------------------------------- + 0x01 | hblend_int | Flag, set when HiBlend cutoff + | | frequency is lower than threshold + -------------------------------------------------------------------- + 0x02 | hicut_int | Flag, set when HiCut cutoff + | | frequency is lower than threshold + -------------------------------------------------------------------- + 0x03 | chbw_int | Flag, set when channel filter + | | bandwidth is less than threshold + -------------------------------------------------------------------- + 0x04 | softmute_int | Flag indicating that softmute + | | attenuation has increased above + | | softmute threshold + -------------------------------------------------------------------- + 0x05 | smute | 0 - Audio is not soft muted + | | 1 - Audio is soft muted + -------------------------------------------------------------------- + 0x06 | smattn | Soft mute attenuation level in dB + -------------------------------------------------------------------- + 0x07 | chbw | Channel filter bandwidth in kHz + -------------------------------------------------------------------- + 0x08 | hicut | HiCut cutoff frequency in units of + | | 100Hz + -------------------------------------------------------------------- + 0x09 | hiblend | HiBlend cutoff frequency in units + | | of 100 Hz + -------------------------------------------------------------------- + 0x10 | pilot | 0 - Stereo pilot is not present + | | 1 - Stereo pilot is present + -------------------------------------------------------------------- + 0x11 | stblend | Stereo blend in % + -------------------------------------------------------------------- + + +* /sys/kernel/debug/<device-name>/rds_blckcnt + This file contains statistics about RDS receptions. It's binary data + has the following layout: + + Offset | Name | Description + ==================================================================== + 0x00 | expected | Number of expected RDS blocks + -------------------------------------------------------------------- + 0x02 | received | Number of received RDS blocks + -------------------------------------------------------------------- + 0x04 | uncorrectable | Number of uncorrectable RDS blocks + -------------------------------------------------------------------- + +* /sys/kernel/debug/<device-name>/agc + This file contains information about parameters pertaining to + AGC(Automatic Gain Control) + + The layout is: + Offset | Name | Description + ==================================================================== + 0x00 | mxhi | 0 - FM Mixer PD high threshold is + | | not tripped + | | 1 - FM Mixer PD high threshold is + | | tripped + -------------------------------------------------------------------- + 0x01 | mxlo | ditto for FM Mixer PD low + -------------------------------------------------------------------- + 0x02 | lnahi | ditto for FM LNA PD high + -------------------------------------------------------------------- + 0x03 | lnalo | ditto for FM LNA PD low + -------------------------------------------------------------------- + 0x04 | fmagc1 | FMAGC1 attenuator resistance + | | (see datasheet for more detail) + -------------------------------------------------------------------- + 0x05 | fmagc2 | ditto for FMAGC2 + -------------------------------------------------------------------- + 0x06 | pgagain | PGA gain in dB + -------------------------------------------------------------------- + 0x07 | fmwblang | FM/WB LNA Gain in dB + -------------------------------------------------------------------- + +* /sys/kernel/debug/<device-name>/rsq + This file contains information about parameters pertaining to + RSQ(Received Signal Quality) + + The layout is: + Offset | Name | Description + ==================================================================== + 0x00 | multhint | 0 - multipath value has not crossed + | | the Multipath high threshold + | | 1 - multipath value has crossed + | | the Multipath high threshold + -------------------------------------------------------------------- + 0x01 | multlint | ditto for Multipath low threshold + -------------------------------------------------------------------- + 0x02 | snrhint | 0 - received signal's SNR has not + | | crossed high threshold + | | 1 - received signal's SNR has + | | crossed high threshold + -------------------------------------------------------------------- + 0x03 | snrlint | ditto for low threshold + -------------------------------------------------------------------- + 0x04 | rssihint | ditto for RSSI high threshold + -------------------------------------------------------------------- + 0x05 | rssilint | ditto for RSSI low threshold + -------------------------------------------------------------------- + 0x06 | bltf | Flag indicating if seek command + | | reached/wrapped seek band limit + -------------------------------------------------------------------- + 0x07 | snr_ready | Indicates that SNR metrics is ready + -------------------------------------------------------------------- + 0x08 | rssiready | ditto for RSSI metrics + -------------------------------------------------------------------- + 0x09 | injside | 0 - Low-side injection is being used + | | 1 - High-side injection is used + -------------------------------------------------------------------- + 0x10 | afcrl | Flag indicating if AFC rails + -------------------------------------------------------------------- + 0x11 | valid | Flag indicating if channel is valid + -------------------------------------------------------------------- + 0x12 | readfreq | Current tuned frequency + -------------------------------------------------------------------- + 0x14 | freqoff | Singed frequency offset in units of + | | 2ppm + -------------------------------------------------------------------- + 0x15 | rssi | Signed value of RSSI in dBuV + -------------------------------------------------------------------- + 0x16 | snr | Signed RF SNR in dB + -------------------------------------------------------------------- + 0x17 | issi | Signed Image Strength Signal + | | indicator + -------------------------------------------------------------------- + 0x18 | lassi | Signed Low side adjacent Channel + | | Strength indicator + -------------------------------------------------------------------- + 0x19 | hassi | ditto fpr High side + -------------------------------------------------------------------- + 0x20 | mult | Multipath indicator + -------------------------------------------------------------------- + 0x21 | dev | Frequency deviation + -------------------------------------------------------------------- + 0x24 | assi | Adjascent channel SSI + -------------------------------------------------------------------- + 0x25 | usn | Ultrasonic noise indicator + -------------------------------------------------------------------- + 0x26 | pilotdev | Pilot deviation in units of 100 Hz + -------------------------------------------------------------------- + 0x27 | rdsdev | ditto for RDS + -------------------------------------------------------------------- + 0x28 | assidev | ditto for ASSI + -------------------------------------------------------------------- + 0x29 | strongdev | Frequency deviation + -------------------------------------------------------------------- + 0x30 | rdspi | RDS PI code + -------------------------------------------------------------------- + +* /sys/kernel/debug/<device-name>/rsq_primary + This file contains information about parameters pertaining to + RSQ(Received Signal Quality) for primary tuner only. Layout is as + the one above. diff --git a/Documentation/virtual/virtio-spec.txt b/Documentation/virtual/virtio-spec.txt index 0d6ec85481cb..eb094039b50d 100644 --- a/Documentation/virtual/virtio-spec.txt +++ b/Documentation/virtual/virtio-spec.txt @@ -1389,7 +1389,7 @@ segmentation, if both guests are amenable. Packets are transmitted by placing them in the transmitq, and buffers for incoming packets are placed in the receiveq. In each -case, the packet itself is preceeded by a header: +case, the packet itself is preceded by a header: struct virtio_net_hdr { @@ -1631,7 +1631,7 @@ struct virtio_net_ctrl_mac { The device can filter incoming packets by any number of destination MAC addresses.[footnote: -Since there are no guarentees, it can use a hash filter +Since there are no guarantees, it can use a hash filter orsilently switch to allmulti or promiscuous mode if it is given too many addresses. ] This table is set using the class VIRTIO_NET_CTRL_MAC and the @@ -1822,7 +1822,7 @@ the FLUSH and FLUSH_OUT types are equivalent, the device does not distinguish between them ]). If the device has VIRTIO_BLK_F_BARRIER feature the high bit (VIRTIO_BLK_T_BARRIER) indicates that this request acts as a -barrier and that all preceeding requests must be complete before +barrier and that all preceding requests must be complete before this one, and all following requests must not be started until this is complete. Note that a barrier does not flush caches in the underlying backend device in host, and thus does not serve as diff --git a/Documentation/vm/overcommit-accounting b/Documentation/vm/overcommit-accounting index 706d7ed9d8d2..8eaa2fc4b8fa 100644 --- a/Documentation/vm/overcommit-accounting +++ b/Documentation/vm/overcommit-accounting @@ -8,7 +8,9 @@ The Linux kernel supports the following overcommit handling modes default. 1 - Always overcommit. Appropriate for some scientific - applications. + applications. Classic example is code using sparse arrays + and just relying on the virtual memory consisting almost + entirely of zero pages. 2 - Don't overcommit. The total address space commit for the system is not permitted to exceed swap + a @@ -18,6 +20,10 @@ The Linux kernel supports the following overcommit handling modes pages but will receive errors on memory allocation as appropriate. + Useful for applications that want to guarantee their + memory allocations will be available in the future + without having to initialize every page. + The overcommit policy is set via the sysctl `vm.overcommit_memory'. The overcommit percentage is set via `vm.overcommit_ratio'. diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt index e015a83c3996..e9e8ddbbf376 100644 --- a/Documentation/x86/x86_64/boot-options.txt +++ b/Documentation/x86/x86_64/boot-options.txt @@ -91,20 +91,6 @@ APICs apicmaintimer. Useful when your PIT timer is totally broken. -Early Console - - syntax: earlyprintk=vga - earlyprintk=serial[,ttySn[,baudrate]] - - The early console is useful when the kernel crashes before the - normal console is initialized. It is not enabled by - default because it has some cosmetic problems. - Append ,keep to not disable it when the real console takes over. - Only vga or serial at a time, not both. - Currently only ttyS0 and ttyS1 are supported. - Interaction with the standard serial driver is not very good. - The VGA output is eventually overwritten by the real console. - Timing notsc diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt index d6498e3cd713..881582f75c9c 100644 --- a/Documentation/x86/x86_64/mm.txt +++ b/Documentation/x86/x86_64/mm.txt @@ -13,7 +13,9 @@ ffffe90000000000 - ffffe9ffffffffff (=40 bits) hole ffffea0000000000 - ffffeaffffffffff (=40 bits) virtual memory map (1TB) ... unused hole ... ffffffff80000000 - ffffffffa0000000 (=512 MB) kernel text mapping, from phys 0 -ffffffffa0000000 - fffffffffff00000 (=1536 MB) module mapping space +ffffffffa0000000 - ffffffffff5fffff (=1525 MB) module mapping space +ffffffffff600000 - ffffffffffdfffff (=8 MB) vsyscalls +ffffffffffe00000 - ffffffffffffffff (=2 MB) unused hole The direct mapping covers all memory in the system up to the highest memory address (this means in some cases it can also include PCI memory |