[PATCH 06/10] Documentation: Detail permitted DT properties for the BU21013 Touch Screen
From: Lee Jones <hidden>
Date: 2012-10-02 08:13:56
Also in:
linux-input, 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
Here we apply required documentation for the Rohm BU21013 Touch Screen driver which describe available properties and how to use them. Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: linux-input at vger.kernel.org Signed-off-by: Lee Jones <redacted> --- .../bindings/input/touchscreen/bu21013.txt | 28 ++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/bu21013.txt
diff --git a/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt b/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt
new file mode 100644
index 0000000..51edc75
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt@@ -0,0 +1,28 @@ +* Rohm BU21013 Touch Screen + +Required properties: + - compatible : "stericsson,bu21013_tp" + - reg : I2C device address + +Optional properties: +touch-gpio : GPIO pin registering a touch event +<supply_name>-supply : Phandle to a regulator supply +stericsson,touch-max-x : Maximum outward permitted limit in the X axis +stericsson,touch-max-y : Maximum outward permitted limit in the Y axis +stericsson,flip-x : Flip touch coordinates on the X axis +stericsson,flip-y : Flip touch coordinates on the Y axis + +Example: + + i2c at 80110000 { + bu21013_tp at 0x5c { + compatible = "bu21013_tp"; + reg = <0x5c>; + touch-gpio = <&gpio2 20 0x4>; + avdd-supply = <&ab8500_ldo_aux1_reg>; + + stericsson,touch-max-x = <384>; + stericsson,touch-max-y = <704>; + stricsson,flip-y; + }; + };
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1.7.9.5