arch/arm/boot/dts/nvidia/tegra20-plutux.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nvidia/tegra20-plutux.dts
Extension
.dts
Size
2238 bytes
Lines
98
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 Plutux board";
	compatible = "ad,plutux", "ad,tamonten", "nvidia,tegra20";

	host1x@50000000 {
		hdmi@54280000 {
			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>;
		};
	};

	sound {
		compatible = "ad,tegra-audio-plutux",
			     "nvidia,tegra-audio-wm8903";
		nvidia,model = "Avionic Design Plutux";

		nvidia,audio-routing =
			"Headphone Jack", "HPOUTR",
			"Headphone Jack", "HPOUTL",
			"Int Spk", "ROP",
			"Int Spk", "RON",
			"Int Spk", "LOP",
			"Int Spk", "LON",
			"Mic Jack", "MICBIAS",
			"IN1L", "Mic Jack";

		nvidia,i2s-controller = <&tegra_i2s1>;
		nvidia,audio-codec = <&wm8903>;

		nvidia,spkr-en-gpios = <&wm8903 2 GPIO_ACTIVE_HIGH>;
		nvidia,hp-det-gpios = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_LOW>;

		clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
			 <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
			 <&tegra_car TEGRA20_CLK_CDEV1>;
		clock-names = "pll_a", "pll_a_out0", "mclk";
	};

	vcc_24v_reg: regulator-24v0 {
		compatible = "regulator-fixed";
		regulator-name = "vcc_24v";
		regulator-min-microvolt = <24000000>;
		regulator-max-microvolt = <24000000>;
		regulator-always-on;
	};

Annotation

Implementation Notes