arch/arm/boot/dts/nvidia/tegra20-medcom-wide.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nvidia/tegra20-medcom-wide.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nvidia/tegra20-medcom-wide.dts
Extension
.dts
Size
2863 bytes
Lines
133
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
/dts-v1/;

#include "tegra20-tamonten.dtsi"

/ {
	model = "Avionic Design Medcom-Wide board";
	compatible = "ad,medcom-wide", "ad,tamonten", "nvidia,tegra20";

	aliases {
		serial0 = &uartd;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	host1x@50000000 {
		dc@54200000 {
			rgb {
				status = "okay";
				nvidia,panel = <&panel>;
			};
		};
	};

	pwm@7000a000 {
		status = "okay";
	};

	i2c@7000c000 {
		wm8903: wm8903@1a {
			compatible = "wlf,wm8903";
			reg = <0x1a>;
			interrupt-parent = <&gpio>;
			interrupts = <TEGRA_GPIO(X, 3) IRQ_TYPE_LEVEL_HIGH>;

			gpio-controller;
			#gpio-cells = <2>;

			micdet-cfg = <0>;
			micdet-delay = <100>;
			gpio-cfg = <0xffffffff
				    0xffffffff
				    0
				    0xffffffff
				    0xffffffff>;
		};
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 0 5000000>;

		brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <6>;

		/* close enough */
		power-supply = <&vdd_3v3_reg>;
	};

	panel: panel {
		compatible = "innolux,n156bge-l21";

		power-supply =  <&vdd_1v8_reg>; // <&vdd_3v3_reg>;
		enable-gpios = <&gpio TEGRA_GPIO(B, 2) GPIO_ACTIVE_HIGH>;

		backlight = <&backlight>;
	};

Annotation

Implementation Notes