diff options
Diffstat (limited to 'Documentation')
10 files changed, 126 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-vf610 b/Documentation/ABI/testing/sysfs-bus-iio-vf610 index ecbc1f4af921..308a6756d3bf 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-vf610 +++ b/Documentation/ABI/testing/sysfs-bus-iio-vf610 @@ -5,3 +5,12 @@ Description: Specifies the hardware conversion mode used. The three available modes are "normal", "high-speed" and "low-power", where the last is the default mode. + + +What: /sys/bus/iio/devices/iio:deviceX/out_conversion_mode +KernelVersion: 4.6 +Contact: linux-iio@vger.kernel.org +Description: + Specifies the hardware conversion mode used within DAC. + The two available modes are "high-power" and "low-power", + where "low-power" mode is the default mode. diff --git a/Documentation/ABI/testing/sysfs-bus-spi-spidev b/Documentation/ABI/testing/sysfs-bus-spi-spidev new file mode 100644 index 000000000000..3f6e092f7c62 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-spi-spidev @@ -0,0 +1,8 @@ +What: /sys/bus/spi/drivers/spidev/new_id +Date: March 2016 +Description: + This allows to load spidev at runtime. new_id file accepts bus + number and chip select in 'B.C' format. + e.g. + To load spidev1.1 at runtime: + $ echo 1.1 > /sys/bus/spi/drivers/spidev/new_id diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,vf610-ddrmc.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,vf610-ddrmc.txt new file mode 100644 index 000000000000..56a71d6bb423 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,vf610-ddrmc.txt @@ -0,0 +1,23 @@ +Freescale Vybrid LPDDR2/DDR3 SDRAM Memory Controller + +The memory controller supports high performance applications for 16-bit or +8-bit DDR2, or LPDDR SDRAM memories. + +Required properties: +- compatible: "fsl,vf610-ddrmc" +- reg: the register range of the DDRMC registers +- clocks: DDRMC main clock to clock memory and access registers. +- clock-names: Must contain "ddrc", matching entry in the clocks property. +- fsl,has-cke-reset-pulls: + States whether pull-down/up are populated on DDR CKE/RESET + signals to allow using DDR self-refresh modes (see Vybrid + Hardware Development Guide for details). + +Example: + ddrmc: ddrmc@400ae000 { + compatible = "fsl,vf610-ddrmc"; + reg = <0x400ae000 0x1000>; + clocks = <&clks VF610_CLK_DDRMC>; + clock-names = "ddrc"; + fsl,has-cke-reset-pulls; + } diff --git a/Documentation/devicetree/bindings/display/fsl,dcu.txt b/Documentation/devicetree/bindings/display/fsl,dcu.txt index ebf1be9ae393..62c167e3da21 100644 --- a/Documentation/devicetree/bindings/display/fsl,dcu.txt +++ b/Documentation/devicetree/bindings/display/fsl,dcu.txt @@ -11,6 +11,11 @@ Required properties: - big-endian Boolean property, LS1021A DCU registers are big-endian. - fsl,panel: The phandle to panel node. +Optional properties: +- fsl,tcon: The phandle to the timing controller node. +- clocks: Second handle for pixel clock. +- clock-names: Second name "pix" for pixel clock. + Examples: dcu: dcu@2ce0000 { compatible = "fsl,ls1021a-dcu"; @@ -19,4 +24,5 @@ dcu: dcu@2ce0000 { clock-names = "dcu"; big-endian; fsl,panel = <&panel>; + fsl,tcon = <&tcon>; }; diff --git a/Documentation/devicetree/bindings/display/fsl,tcon.txt b/Documentation/devicetree/bindings/display/fsl,tcon.txt new file mode 100644 index 000000000000..2e1015e81fac --- /dev/null +++ b/Documentation/devicetree/bindings/display/fsl,tcon.txt @@ -0,0 +1,18 @@ +Device Tree bindings for Freescale TCON Driver + +Required properties: +- compatible: Should be one of + * "fsl,vf610-tcon". + +- reg: Address and length of the register set for dcu. +- clocks: From common clock binding: handle to tcon ipg clock. +- clock-names: From common clock binding: Shall be "ipg". + +Examples: +timing-controller@4003d000 { + compatible = "fsl,vf610-tcon"; + reg = <0x4003d000 0x1000>; + clocks = <&clks VF610_CLK_TCON0>; + clock-names = "ipg"; + status = "okay"; +}; diff --git a/Documentation/devicetree/bindings/display/panel/tpk,f07a-0102.txt b/Documentation/devicetree/bindings/display/panel/tpk,f07a-0102.txt new file mode 100644 index 000000000000..a2613b9675df --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/tpk,f07a-0102.txt @@ -0,0 +1,8 @@ +TPK U.S.A. LLC Fusion 7" integrated projected capacitive touch display with, +800 x 480 (WVGA) LCD panel. + +Required properties: +- compatible: should be "tpk,f07a-0102" + +This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. diff --git a/Documentation/devicetree/bindings/display/panel/tpk,f10a-0102.txt b/Documentation/devicetree/bindings/display/panel/tpk,f10a-0102.txt new file mode 100644 index 000000000000..b9d051196ba9 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/tpk,f10a-0102.txt @@ -0,0 +1,8 @@ +TPK U.S.A. LLC Fusion 10.1" integrated projected capacitive touch display with, +1024 x 600 (WSVGA) LCD panel. + +Required properties: +- compatible: should be "tpk,f10a-0102" + +This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. diff --git a/Documentation/devicetree/bindings/iio/dac/vf610-dac.txt b/Documentation/devicetree/bindings/iio/dac/vf610-dac.txt new file mode 100644 index 000000000000..20c6c7ae9687 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/vf610-dac.txt @@ -0,0 +1,20 @@ +Freescale vf610 Digital to Analog Converter bindings + +The devicetree bindings are for the new DAC driver written for +vf610 SoCs from Freescale. + +Required properties: +- compatible: Should contain "fsl,vf610-dac" +- reg: Offset and length of the register set for the device +- interrupts: Should contain the interrupt for the device +- clocks: The clock is needed by the DAC controller +- clock-names: Must contain "dac" matching entry in the clocks property. + +Example: +dac0: dac@400cc000 { + compatible = "fsl,vf610-dac"; + reg = <0x400cc000 0x1000>; + interrupts = <55 IRQ_TYPE_LEVEL_HIGH>; + clock-names = "dac"; + clocks = <&clks VF610_CLK_DAC0>; +}; diff --git a/Documentation/devicetree/bindings/input/touchscreen/fusion_F0710A.txt b/Documentation/devicetree/bindings/input/touchscreen/fusion_F0710A.txt new file mode 100644 index 000000000000..6fe730d03e2c --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/fusion_F0710A.txt @@ -0,0 +1,23 @@ +* TouchRevolution Fusion 7" and 10" multi-touch controller + +Required properties: +- compatible: must be "touchrevolution,fusion-f0710a" +- reg: I2C address of the chip +- gpios: The interrupt and reset GPIO's.(see GPIO binding[1] for more details) + +[1]: Documentation/devicetree/bindings/gpio/gpio.txt + +Example: + &i2c1 { + status = "okay"; + + pcap@10 { + compatible = "touchrevolution,fusion-f0710a"; + reg = <0x10>; + gpios = <&gpio6 10 0 + &gpio6 9 0 + >; + }; + + /* ... */ + }; diff --git a/Documentation/spi/spi-summary b/Documentation/spi/spi-summary index d1824b399b2d..b4d15e409cfe 100644 --- a/Documentation/spi/spi-summary +++ b/Documentation/spi/spi-summary @@ -181,6 +181,9 @@ shows up in sysfs in several locations: controller managing bus "B". All spiB.* devices share one physical SPI bus segment, with SCLK, MOSI, and MISO. + /sys/class/spi_master/spiB/num_chipselect ... exposes the maximum + number of chipselects a SPI master can support. + Note that the actual location of the controller's class state depends on whether you enabled CONFIG_SYSFS_DEPRECATED or not. At this time, the only class-specific state is the bus number ("B" in "spiB"), so |