1* Rohm BU21013 Touch Screen 2 3Required properties: 4 - compatible : "rohm,bu21013_tp" 5 - reg : I2C device address 6 7Optional 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 15Example: 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 }; 29