Documentation/devicetree/bindings/input/touchscreen/bu21013.txt

   1 * Rohm BU21013 Touch Screen
   2
   3 Required properties:
   4  - compatible              : "rohm,bu21013_tp"
   5  - reg                     :  I2C device address
   6
   7 Optional properties:
   8  - touch-gpio              : GPIO pin registering a touch event
   9  - <supply_name>-supply    : Phandle to a regulator supply
  10  - rohm,touch-max-x        : Maximum outward permitted limit in the X axis
  11  - rohm,touch-max-y        : Maximum outward permitted limit in the Y axis
  12  - rohm,flip-x             : Flip touch coordinates on the X axis
  13  - rohm,flip-y             : Flip touch coordinates on the Y axis
  14
  15 Example:
  16
  17         i2c@80110000 {
  18                 bu21013_tp@0x5c {
  19                         compatible = "rohm,bu21013_tp";
  20                         reg = <0x5c>;
  21                         touch-gpio = <&gpio2 20 0x4>;
  22                         avdd-supply = <&ab8500_ldo_aux1_reg>;
  23
  24                         rohm,touch-max-x = <384>;
  25                         rohm,touch-max-y = <704>;
  26                         rohm,flip-y;
  27                 };
  28         };