~sircmpwn/linux

linux/arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi -rw-r--r-- 1.4 KiB
a99d8080 — Linus Torvalds Linux 5.4-rc6 11 months ago
                                                                                
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// SPDX-License-Identifier: GPL-2.0
/*
 * Common file for omap dpi panels with QVGA and reset pins
 *
 * Note that the board specifc DTS file needs to specify
 * at minimum the GPIO enable-gpios for display, and
 * gpios for gpio-backlight.
 */

/ {
	aliases {
		display0 = &lcd0;
	};

	backlight0: backlight {
		compatible = "gpio-backlight";
		default-on;
	};

	/* 3.3V GPIO controlled regulator for LCD_ENVDD */
	lcd_3v3: regulator-lcd-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "lcd_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		startup-delay-us = <70000>;
	};

	lcd0: display {
		compatible = "sharp,ls037v7dw01";
		label = "lcd";
		power-supply = <&lcd_3v3>;
		envdd-supply = <&lcd_3v3>;

		port {
			lcd_in: endpoint {
				remote-endpoint = <&dpi_out>;
			};
		};
	};
};

/* Needed to power the DPI pins */
&vpll2 {
	regulator-always-on;
};

&dss {
	status = "ok";
	port {
		dpi_out: endpoint {
			remote-endpoint = <&lcd_in>;
			data-lines = <18>;
		};
	};
};

&mcspi1 {
	tsc2046@0 {
		reg = <0>;			/* CS0 */
		compatible = "ti,tsc2046";
		spi-max-frequency = <1000000>;
		vcc-supply = <&lcd_3v3>;
		ti,x-min = /bits/ 16 <0>;
		ti,x-max = /bits/ 16 <8000>;
		ti,y-min = /bits/ 16 <0>;
		ti,y-max = /bits/ 16 <4800>;
		ti,x-plate-ohms = /bits/ 16 <40>;
		ti,pressure-max = /bits/ 16 <255>;
		ti,swap-xy;
		wakeup-source;
	};
};