arch/arm/boot/dts/samsung/exynos4412-tiny4412.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos4412-tiny4412.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos4412-tiny4412.dts
Extension
.dts
Size
2948 bytes
Lines
161
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
/*
 * FriendlyARM's Exynos4412 based TINY4412 board device tree source
 *
 * Copyright (c) 2013 Alex Ling <kasimling@gmail.com>
 *
 * Device tree source file for FriendlyARM's TINY4412 board which is based on
 * Samsung's Exynos4412 SoC.
 */

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

/ {
	model = "FriendlyARM TINY4412 board based on Exynos4412";
	compatible = "friendlyarm,tiny4412", "samsung,exynos4412", "samsung,exynos4";

	aliases {
		mmc0 = &sdhci_2;
	};

	chosen {
		stdout-path = &serial_0;
	};

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

	leds {
		compatible = "gpio-leds";

		led1 {
			label = "led1";
			function = LED_FUNCTION_HEARTBEAT;
			gpios = <&gpm4 0 GPIO_ACTIVE_LOW>;
			default-state = "off";
			linux,default-trigger = "heartbeat";
		};

		led2 {
			label = "led2";
			gpios = <&gpm4 1 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		led3 {
			label = "led3";
			gpios = <&gpm4 2 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		led4 {
			label = "led4";
			function = LED_FUNCTION_DISK_ACTIVITY;
			gpios = <&gpm4 3 GPIO_ACTIVE_LOW>;
			default-state = "off";
			linux,default-trigger = "mmc0";
		};
	};

	fixed-rate-clocks {
		xxti {
			compatible = "samsung,clock-xxti";
			clock-frequency = <0>;
		};

Annotation

Implementation Notes