arch/arm/boot/dts/ti/omap/omap3-panel-sharp-ls037v7dw01.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/omap3-panel-sharp-ls037v7dw01.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/omap3-panel-sharp-ls037v7dw01.dtsi
Extension
.dtsi
Size
1393 bytes
Lines
74
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// 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 = "okay";
	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;

Annotation

Implementation Notes