diff options
author | Dong Aisheng <aisheng.dong@nxp.com> | 2019-12-02 18:05:31 +0800 |
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committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-12-02 18:05:31 +0800 |
commit | 210428cc3751c57bedc69e55567b326d5e5ce08a (patch) | |
tree | 287c4dadcf7ef69df98538cd2ced0c8f6a56235c /Documentation/ABI | |
parent | 3e2e5e55509651952ff06ef12db50d6b6d4cb1da (diff) | |
parent | 8baeb551e70c8c9d5c1f5f3fd1c1ac541838ba82 (diff) |
Merge branch 'usb/next' into next
* usb/next: (188 commits)
LF-252 usb: cdns3: gadget: fix the issue for DMA scatter buffer list
usb: dwc3: Add cache type configuration support
usb: dwc3: Add chip-specific compatible string
MLK-22675 usb: dwc3: host: disable park mode
MLK-22878 usb: cdns3: gadget: add imx8qxp C0 support
...
Diffstat (limited to 'Documentation/ABI')
-rw-r--r-- | Documentation/ABI/testing/sysfs-platform-cadence-usb3 | 9 | ||||
-rw-r--r-- | Documentation/ABI/testing/usb-charger-uevent | 45 |
2 files changed, 54 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-cadence-usb3 b/Documentation/ABI/testing/sysfs-platform-cadence-usb3 new file mode 100644 index 000000000000..c969518dcc30 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-cadence-usb3 @@ -0,0 +1,9 @@ +What: /sys/bus/platform/devices/5b110000.usb3/role +Date: Jan 2019 +Contact: Peter Chen <peter.chen@nxp.com> +Description: + It returns string "gadget", "host" and "none" when read it, + it indicates current controller role. + + It will do role switch when write "gadget" or "host" to it. + Only controller at dual-role configuration supports writing. diff --git a/Documentation/ABI/testing/usb-charger-uevent b/Documentation/ABI/testing/usb-charger-uevent new file mode 100644 index 000000000000..93ffd3a54a7f --- /dev/null +++ b/Documentation/ABI/testing/usb-charger-uevent @@ -0,0 +1,45 @@ +What: Raise a uevent when a USB charger is inserted or removed +Date: 2019-11-11 +KernelVersion: 5.5 +Contact: linux-usb@vger.kernel.org +Description: There are two USB charger states: + USB_CHARGER_ABSENT + USB_CHARGER_PRESENT + There are five USB charger types: + USB_CHARGER_UNKNOWN_TYPE + USB_CHARGER_SDP_TYPE + USB_CHARGER_CDP_TYPE + USB_CHARGER_DCP_TYPE + USB_CHARGER_ACA_TYPE + + Here are two examples taken using udevadm monitor -p when + USB charger is online: + UDEV [227.425096] change /devices/soc0/usbphynop1 (platform) + ACTION=change + DEVPATH=/devices/soc0/usbphynop1 + DRIVER=usb_phy_generic + MODALIAS=of:Nusbphynop1T(null)Cusb-nop-xceiv + OF_COMPATIBLE_0=usb-nop-xceiv + OF_COMPATIBLE_N=1 + OF_FULLNAME=/usbphynop1 + OF_NAME=usbphynop1 + SEQNUM=2493 + SUBSYSTEM=platform + USB_CHARGER_STATE=USB_CHARGER_PRESENT + USB_CHARGER_TYPE=USB_CHARGER_SDP_TYPE + USEC_INITIALIZED=227422826 + + USB charger is offline: + KERNEL[229.533933] change /devices/soc0/usbphynop1 (platform) + ACTION=change + DEVPATH=/devices/soc0/usbphynop1 + DRIVER=usb_phy_generic + MODALIAS=of:Nusbphynop1T(null)Cusb-nop-xceiv + OF_COMPATIBLE_0=usb-nop-xceiv + OF_COMPATIBLE_N=1 + OF_FULLNAME=/usbphynop1 + OF_NAME=usbphynop1 + SEQNUM=2494 + SUBSYSTEM=platform + USB_CHARGER_STATE=USB_CHARGER_ABSENT + USB_CHARGER_TYPE=USB_CHARGER_UNKNOWN_TYPE |