arch/arm/boot/dts/samsung/exynos5420-arndale-octa.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos5420-arndale-octa.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos5420-arndale-octa.dts
Extension
.dts
Size
18165 bytes
Lines
844
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 Exynos5420 based Arndale Octa board device tree source
 *
 * Copyright (c) 2013 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 */

/dts-v1/;
#include "exynos5420.dtsi"
#include "exynos5420-cpus.dtsi"
#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>

/ {
	model = "Insignal Arndale Octa evaluation board based on Exynos5420";
	compatible = "insignal,arndale-octa", "samsung,exynos5420", "samsung,exynos5";

	memory@20000000 {
		device_type = "memory";
		reg = <0x20000000 0x80000000>;
	};

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

	chosen {
		stdout-path = "serial3:115200n8";
	};

	firmware@2073000 {
		compatible = "samsung,secure-firmware";
		reg = <0x02073000 0x1000>;
	};

	fixed-rate-clocks {
		oscclk {
			compatible = "samsung,exynos5420-oscclk";
			clock-frequency = <24000000>;
		};
	};

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

		key-wakeup {
			label = "SW-TACT1";
			gpios = <&gpx2 7 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_WAKEUP>;
			wakeup-source;
		};
	};
};

&adc {
	vdd-supply = <&ldo4_reg>;
	status = "okay";
};

&cci {
	status = "disabled";
};

&cpu0 {
	cpu-supply = <&buck2_reg>;
};

Annotation

Implementation Notes