arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/nvidia/tegra194-p3668-0000.dtsi
Extension
.dtsi
Size
721 bytes
Lines
33
Domain
Architecture Layer
Bucket
arch/arm64
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
#include "tegra194-p3668.dtsi"

/ {
	model = "NVIDIA Jetson Xavier NX (SD-card)";
	compatible = "nvidia,p3668-0000", "nvidia,tegra194";

	aliases {
		mmc0 = "/bus@0/mmc@3400000";
	};

	bus@0 {
		/* SDMMC1 (SD/MMC) */
		mmc@3400000 {
			status = "okay";
			bus-width = <4>;
			cd-gpios = <&gpio TEGRA194_MAIN_GPIO(G, 7) GPIO_ACTIVE_LOW>;
			disable-wp;
			vmmc-supply = <&vdd_3v3_sd>;
		};
	};

	vdd_3v3_sd: regulator-vdd-3v3-sd {
		compatible = "regulator-fixed";
		regulator-name = "VDD_3V3_SD";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio TEGRA194_MAIN_GPIO(G, 2) GPIO_ACTIVE_HIGH>;
		regulator-boot-on;
		enable-active-high;
	};
};

Annotation

Implementation Notes