// Device tree overlay for I2C connected Ilitek multiple touch controller
/dts-v1/;
/plugin/;

 / {
	compatible = "brcm,bcm2835";

 	fragment@0 {
		target = <&gpio>;
		__overlay__ {		
			ili251x_pins: ili251x_pins {
				brcm,pins = <4>; // interrupt
				brcm,function = <0>; // in
				brcm,pull = <2>; // pull-up //
			};
		};
	};

 	fragment@1 {
		target = <&i2c1>;
		__overlay__ {
			#address-cells = <1>;
			#size-cells = <0>;
			status = "okay";

 			ili251x: ili251x@41 {
				compatible = "ilitek,ili251x";
				reg = <0x41>;
				pinctrl-names = "default";
				pinctrl-0 = <&ili251x_pins>;
				interrupt-parent = <&gpio>;
				interrupts = <4 8>; // high-to-low edge triggered
				touchscreen-size-x = <16384>;
				touchscreen-size-y = <9600>;
			};
		};
	};

 	__overrides__ {
		interrupt = <&ili251x_pins>,"brcm,pins:0",
			<&ili251x>,"interrupts:0";
		sizex = <&ili251x>,"touchscreen-size-x:0";
		sizey = <&ili251x>,"touchscreen-size-y:0";
	};
};