ssd1351-spi-overlay.dts

/*
 * Device Tree overlay for SSD1351 based SPI OLED display
 *
 */

/dts-v1/;
/plugin/;

/ {
	compatible = "brcm,bcm2835";

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

	fragment@1 {
		target = <&spidev0>;
		__overlay__ {
			status = "disabled";
		};
	};

	fragment@2 {
		target = <&spidev1>;
		__overlay__ {
			status = "disabled";
		};
	};

	fragment@3 {
		target = <&gpio>;
		__overlay__ {
			ssd1351_pins: ssd1351_pins {
                                brcm,pins = <25 24>;
                                brcm,function = <1 1>; /* out out */
			};
		};
	};

	fragment@4 {
		target = <&spi0>;
		__overlay__ {
			/* needed to avoid dtc warning */
			#address-cells = <1>;
			#size-cells = <0>;

			ssd1351: ssd1351@0{
				compatible = "solomon,ssd1351";
				reg = <0>;
				pinctrl-names = "default";
				pinctrl-0 = <&ssd1351_pins>;

				spi-max-frequency = <4500000>;
				bgr = <0>;
				bpp = <16>;
				rotate = <0>;
				fps = <25>;
				buswidth = <8>;
				reset-gpios = <&gpio 25 1>;
				dc-gpios = <&gpio 24 0>;
				debug = <0>;

				solomon,height = <128>;
				solomon,width = <128>;
				solomon,page-offset = <0>;
			};
		};
	};

	__overrides__ {
		speed     = <&ssd1351>,"spi-max-frequency:0";
		rotate    = <&ssd1351>,"rotate:0";
		fps       = <&ssd1351>,"fps:0";
		debug     = <&ssd1351>,"debug:0";
		dc_pin    = <&ssd1351>,"dc-gpios:4",
		            <&ssd1351_pins>,"brcm,pins:4";
		reset_pin = <&ssd1351>,"reset-gpios:4",
		            <&ssd1351_pins>,"brcm,pins:0";
	};
};