arch/arm/boot/dts/samsung/exynos4412-odroidx.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos4412-odroidx.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos4412-odroidx.dts
Extension
.dts
Size
2732 bytes
Lines
143
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
/*
 * Hardkernel's Exynos4412 based ODROID-X board device tree source
 *
 * Copyright (c) 2012 Dongjin Kim <tobetter@gmail.com>
 *
 * Device tree source file for Hardkernel's ODROID-X board which is based
 * on Samsung's Exynos4412 SoC.
 */

/dts-v1/;
#include <dt-bindings/leds/common.h>
#include "exynos4412-odroid-common.dtsi"

/ {
	model = "Hardkernel ODROID-X board based on Exynos4412";
	compatible = "hardkernel,odroid-x", "samsung,exynos4412", "samsung,exynos4";

	aliases {
		ethernet = &ethernet;
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0x40000000 0x3ff00000>;
	};

	leds {
		compatible = "gpio-leds";
		led1 {
			function = LED_FUNCTION_HEARTBEAT;
			color = <LED_COLOR_ID_BLUE>;
			gpios = <&gpc1 0 GPIO_ACTIVE_LOW>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
		led2 {
			label = "led2:mmc0";
			function = LED_FUNCTION_DISK_ACTIVITY;
			gpios = <&gpc1 2 GPIO_ACTIVE_LOW>;
			default-state = "on";
			linux,default-trigger = "mmc0";
		};
	};

	regulator-1 {
		compatible = "regulator-fixed";
		regulator-name = "p3v3_en";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpa1 1 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
	};
};

&adc {
	vdd-supply = <&ldo10_reg>;
	status = "okay";
};

/* VDDQ for MSHC (eMMC card) */
&buck8_reg {
	regulator-name = "BUCK8_VDDQ_MMC4_2.8V";
	regulator-min-microvolt = <2800000>;
	regulator-max-microvolt = <2800000>;
};

&ehci {
	#address-cells = <1>;

Annotation

Implementation Notes