1* FocalTech FT6236 I2C touchscreen controller 2 3Required properties: 4 - compatible : "focaltech,ft6236" 5 - reg : I2C slave address of the chip (0x38) 6 - interrupt-parent : a phandle pointing to the interrupt controller 7 serving the interrupt for this chip 8 - interrupts : interrupt specification for the touch controller 9 interrupt 10 - reset-gpios : GPIO specification for the RSTN input 11 - touchscreen-size-x : horizontal resolution of touchscreen (in pixels) 12 - touchscreen-size-y : vertical resolution of touchscreen (in pixels) 13 14Optional properties: 15 - touchscreen-fuzz-x : horizontal noise value of the absolute input 16 device (in pixels) 17 - touchscreen-fuzz-y : vertical noise value of the absolute input 18 device (in pixels) 19 - touchscreen-inverted-x : X axis is inverted (boolean) 20 - touchscreen-inverted-y : Y axis is inverted (boolean) 21 - touchscreen-swapped-x-y: X and Y axis are swapped (boolean) 22 Swapping is done after inverting the axis 23 24Example: 25 26 ft6x06@38 { 27 compatible = "focaltech,ft6236"; 28 reg = <0x38>; 29 interrupt-parent = <&gpio>; 30 interrupts = <23 2>; 31 touchscreen-size-x = <320>; 32 touchscreen-size-y = <480>; 33 touchscreen-inverted-x; 34 touchscreen-swapped-x-y; 35 }; 36