From aaf16427c579911892d68c7ae9860815cdc756a1 Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Sun, 24 Nov 2013 22:53:35 +0100 Subject: Documentation: dt: Document TSC2005 DT binding Add devicetree binding documentation for TSC2005 touchscreen. Signed-off-by: Sebastian Reichel --- .../bindings/input/touchscreen/tsc2005.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt diff --git a/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt new file mode 100644 index 000000000000..663f8ab96614 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt @@ -0,0 +1,39 @@ +* Texas Instruments tsc2005 touchscreen controller + +Required properties: + - compatible : "ti,tsc2005" + - reg : SPI device address + - spi-max-frequency : Maximal SPI speed + - interrupts : IRQ specifier + - reset-gpios : GPIO specifier + +Optional properties: + - ti,x-plate-ohms : integer, resistance of the touchscreen's X plates + in ohm (defaults to 280) + - ti,esd-recovery-timeout-ms : integer, if the touchscreen does not respond after + the configured time (in milli seconds), the driver + will reset it. This is disabled by default. + - properties defined in touchscreen.txt + +Example: + +&mcspi1 { + tsc2005@0 { + compatible = "ti,tsc2005"; + spi-max-frequency = <6000000>; + reg = <0>; + + reset-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>; /* 104 */ + interrupts-extended = <&gpio4 4 IRQ_TYPE_NONE>; /* 100 */ + + touchscreen-fuzz-x = <4>; + touchscreen-fuzz-y = <7>; + touchscreen-fuzz-pressure = <2>; + touchscreen-max-x = <4096>; + touchscreen-max-y = <4096>; + touchscreen-max-pressure = <2048>; + + ti,x-plate-ohms = <280>; + ti,esd-recovery-timeout-ms = <8000>; + }; +} -- cgit v1.2.3