arch/arm/boot/dts/samsung/exynos5250-arndale.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos5250-arndale.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos5250-arndale.dts
Extension
.dts
Size
14224 bytes
Lines
644
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
/*
 * Samsung's Exynos5250 based Arndale board device tree source
 *
 * Copyright (c) 2013 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 */

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/clock/samsung,s2mps11.h>
#include <dt-bindings/sound/samsung-i2s.h>
#include "exynos5250.dtsi"

/ {
	model = "Insignal Arndale evaluation board based on Exynos5250";
	compatible = "insignal,arndale", "samsung,exynos5250", "samsung,exynos5";

	memory@40000000 {
		device_type = "memory";
		reg = <0x40000000 0x80000000>;
	};

	aliases {
		mmc0 = &mmc_0;
		mmc1 = &mmc_2;
	};

	chosen {
		stdout-path = "serial2:115200n8";
	};

	gpio-keys {
		compatible = "gpio-keys";

		key-menu {
			label = "SW-TACT2";
			gpios = <&gpx1 4 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_MENU>;
			wakeup-source;
		};

		key-home {
			label = "SW-TACT3";
			gpios = <&gpx1 5 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_HOME>;
			wakeup-source;
		};

		key-up {
			label = "SW-TACT4";
			gpios = <&gpx1 6 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_UP>;
			wakeup-source;
		};

		key-down {
			label = "SW-TACT5";
			gpios = <&gpx1 7 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_DOWN>;
			wakeup-source;
		};

		key-back {
			label = "SW-TACT6";
			gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_BACK>;
			wakeup-source;

Annotation

Implementation Notes