Overlay file for ili9341 touchscreen module

sun8i-h3-ili9341-touchscreen.dts

/dts-v1/;
/plugin/;

/ {
	compatible = "allwinner,sun8i-h3";

	fragment@0 {
		target = <&pio>;
		__overlay__ {
			spi0_cs1: spi0_cs1 {
				pins = "PC3"; /* CS */
				function = "gpio_out";
				output-high;
			};

			spi1_cs1: spi1_cs1 {
				pins = "PA3"; /* T_CS */
				function = "gpio_out";
				output-high;
			};

			spi_tft_display_pins: spi_tft_display_pins {
				pins = "PA1", "PG8", "PA2"; /* DC, RST, LED */
				function = "gpio_out";
			};

			spi_tft_touch_pins: spi_tft_touch_pins {
				pins = "PG9"; /* T_IRQ */
				function = "irq";
			};
		};
	};

	fragment@1 {
		target = <&spi0>;
		__overlay__ {
			#address-cells = <1>;
			#size-cells = <0>;
			status = "okay";

			pinctrl-names = "default", "default";
			cs-gpios= <&pio 2 3 0>, <&pio 0 3 1>;

			spi_tft_display: spi_tft_display@0 {
				pinctrl-1 = <&spi0_cs1>;
				reg = <0>; /* Chip Select 0 */
				compatible = "ilitek,ili9341";
				spi-max-frequency = <64000000>;
				status = "okay";
				pinctrl-names = "default";
				pinctrl-0 = <&spi_tft_display_pins>;
				rotate = <90>;
				fps = <60>;
				buswidth = <8>;
				dc-gpios = <&pio 0 1 0>;      /* PA1 */
				reset-gpios = <&pio 6 8 1 >;  /* PG8 */
				led-gpios=<&pio 0 2 0>;       /* PA2 */
				debug=<4>;                        
			};

			spi_tft_touch: spi_tft_touch@1 {
				reg = <1>; /* Chip Select 1 */
				compatible = "ti,ads7846"; /* xptek,xpt2046 */
				spi-max-frequency = <2000000>;
				pinctrl-names = "default";
				status = "okay";
				pinctrl-2=<&spi1_cs1 &spi1_cs1>;
				pinctrl-3 = <&spi_tft_touch_pins>;
				interrupt-parent = <&pio>;
				interrupts = <6 9 2>; /* PG9 IRQ_TYPE_EDGE_FALLING */
				pendown-gpio = <&pio 6 9 0>; /* PG9 */
				/* driver defaults, optional
				ti,x-min = /bits/ 16 <0>;
				ti,y-min = /bits/ 16 <0>;
				ti,x-max = /bits/ 16 <0x0FFF>;
				ti,y-max = /bits/ 16 <0x0FFF>;
				ti,pressure-min = /bits/ 16 <0>;
				ti,pressure-max = /bits/ 16 <0xFFFF>;
				ti,x-plate-ohms = /bits/ 16 <400>; */
			};
		};
	};

	fragment@2 {
		target = <&spi1>;
		__overlay__ {
			pinctrl-names = "default", "default";
			pinctrl-1 = <&spi1_cs1>;
			cs-gpios = <0>, <&pio 0 3 0>; /* PA3 */
		};
	};
};