Raspberry-Pi-Installer-Scripts/overlays/touch-ft6236.dts
2022-04-26 14:14:45 -07:00

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/*
* Device Tree overlay for the Focaltech FT6236 capacitive
* touch screen controller on the Adafruit PiTFT
*
*/
/dts-v1/;
/plugin/;
/ {
compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
fragment@0 {
target = <&gpio>;
__overlay__ {
pitft_pins: pitft_pins {
brcm,pins = <24>;
brcm,function = <0>; /* in out */
brcm,pull = <2>; /* pullup none */
};
};
};
fragment@1 {
target = <&i2c1>;
__overlay__ {
/* needed to avoid dtc warning */
#address-cells = <1>;
#size-cells = <0>;
ft6236: ft6236@38 {
compatible = "focaltech,ft6236";
reg = <0x38>;
pinctrl-names = "default";
pinctrl-0 = <&pitft_pins>;
interrupt-parent = <&gpio>;
interrupts = <24 2>;
touchscreen-size-x = <240>;
touchscreen-size-y = <320>;
};
};
};
__overrides__ {
touch-sizex = <&ft6236>,"touchscreen-size-x?";
touch-sizey = <&ft6236>,"touchscreen-size-y?";
touch-invx = <&ft6236>,"touchscreen-inverted-x?";
touch-invy = <&ft6236>,"touchscreen-inverted-y?";
touch-swapxy = <&ft6236>,"touchscreen-swapped-x-y?";
};
};