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Diffstat (limited to 'kernel/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt')
-rw-r--r-- | kernel/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt b/kernel/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt new file mode 100644 index 000000000..ca5a2c864 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt @@ -0,0 +1,28 @@ +* Rohm BU21013 Touch Screen + +Required properties: + - compatible : "rohm,bu21013_tp" + - reg : I2C device address + +Optional properties: + - touch-gpio : GPIO pin registering a touch event + - <supply_name>-supply : Phandle to a regulator supply + - rohm,touch-max-x : Maximum outward permitted limit in the X axis + - rohm,touch-max-y : Maximum outward permitted limit in the Y axis + - rohm,flip-x : Flip touch coordinates on the X axis + - rohm,flip-y : Flip touch coordinates on the Y axis + +Example: + + i2c@80110000 { + bu21013_tp@0x5c { + compatible = "rohm,bu21013_tp"; + reg = <0x5c>; + touch-gpio = <&gpio2 20 0x4>; + avdd-supply = <&ab8500_ldo_aux1_reg>; + + rohm,touch-max-x = <384>; + rohm,touch-max-y = <704>; + rohm,flip-y; + }; + }; |