mz61581-overlay.dts

/*
 * Device Tree overlay for MZ61581-PI-EXT 2014.12.28 by Tontec
 *
 */

/dts-v1/;
/plugin/;

/ {
	compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";

	fragment@0 {
		target = <&spi0>;
		__overlay__ {
			status = "okay";

			spidev@0{
				status = "disabled";
			};

			spidev@1{
				status = "disabled";
			};
		};
	};

	fragment@1 {
		target = <&gpio>;
		__overlay__ {
			mz61581_pins: mz61581_pins {
				brcm,pins = <4 15 18 25>;
				brcm,function = <0 1 1 1>; /* in out out out */
			};
		};
	};

	fragment@2 {
		target = <&spi0>;
		__overlay__ {
			/* needed to avoid dtc warning */
			#address-cells = <1>;
			#size-cells = <0>;

			mz61581: mz61581@0{
				compatible = "samsung,s6d02a1";
				reg = <0>;
				pinctrl-names = "default";
				pinctrl-0 = <&mz61581_pins>;

				spi-max-frequency = <128000000>;
				spi-cpol;
				spi-cpha;

				width = <320>;
				height = <480>;
				rotate = <270>;
				bgr;
				fps = <30>;
				buswidth = <8>;

				reset-gpios = <&gpio 15 0>;
				dc-gpios = <&gpio 25 0>;
				led-gpios = <&gpio 18 0>;

				init = <0x10000b0 00
					0x1000011
					0x20000ff
					0x10000b3 0x02 0x00 0x00 0x00
					0x10000c0 0x13 0x3b 0x00 0x02 0x00 0x01 0x00 0x43
					0x10000c1 0x08 0x16 0x08 0x08
					0x10000c4 0x11 0x07 0x03 0x03
					0x10000c6 0x00
					0x10000c8 0x03 0x03 0x13 0x5c 0x03 0x07 0x14 0x08 0x00 0x21 0x08 0x14 0x07 0x53 0x0c 0x13 0x03 0x03 0x21 0x00
					0x1000035 0x00
					0x1000036 0xa0
					0x100003a 0x55
					0x1000044 0x00 0x01
					0x10000d0 0x07 0x07 0x1d 0x03
					0x10000d1 0x03 0x30 0x10
					0x10000d2 0x03 0x14 0x04
					0x1000029
					0x100002c>;

				debug = <0>;
			};

			mz61581_ts: mz61581_ts@1 {
				compatible = "ti,ads7846";
				reg = <1>;

				spi-max-frequency = <2000000>;
				interrupts = <4 2>; /* high-to-low edge triggered */
				interrupt-parent = <&gpio>;
				pendown-gpio = <&gpio 4 0>;

				ti,x-plate-ohms = /bits/ 16 <60>;
				ti,pressure-max = /bits/ 16 <255>;
//				ti,swap-xy;
//
//				ti,x-min = /bits/ 16 <230>;
//				ti,y-min = /bits/ 16 <190>;
//				ti,x-max = /bits/ 16 <3850>;
//				ti,y-max = /bits/ 16 <3850>;
			};
		};
	};
	__overrides__ {
		speed =   <&mz61581>, "spi-max-frequency:0";
		rotate =  <&mz61581>, "rotate:0";
		fps =     <&mz61581>, "fps:0";
		debug =   <&mz61581>, "debug:0";
	};
};