[PATCH 4/4] Input: tsc2004 - Document ts2004 dt bindings
From: Michael Welling <hidden>
Date: 2015-10-31 00:42:19
Also in:
linux-devicetree, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Dmitry Torokhov, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Adds documentation for the devicetree bindings of the new tsc2004 driver. Signed-off-by: Michael Welling <redacted> --- .../bindings/input/touchscreen/tsc2005.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt
index 09089a6..27c6082 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt@@ -1,3 +1,42 @@ +* Texas Instruments tsc2004 touchscreen controller + +Required properties: + - compatible : "ti,tsc2004" + - interrupts : IRQ specifier + - vio-supply : Regulator specifier + +Optional properties: + - reset-gpios : GPIO specifier + - 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: + +&i2c3 { + tsc2004@48 { + compatible = "ti,tsc2004"; + reg = <0x48>; + vio-supply = <&vio>; + + reset-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>; + interrupts-extended = <&gpio1 27 IRQ_TYPE_EDGE_RISING>; + + touchscreen-fuzz-x = <4>; + touchscreen-fuzz-y = <7>; + touchscreen-fuzz-pressure = <2>; + touchscreen-size-x = <4096>; + touchscreen-size-y = <4096>; + touchscreen-max-pressure = <2048>; + + ti,x-plate-ohms = <280>; + ti,esd-recovery-timeout-ms = <8000>; + }; +} + * Texas Instruments tsc2005 touchscreen controller Required properties:
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2.1.4