arch/arm/boot/dts/samsung/exynos4412-odroid-common.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos4412-odroid-common.dtsi
Extension
.dtsi
Size
11791 bytes
Lines
575
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
/*
 * Common definition for Hardkernel's Exynos4412 based ODROID-X/X2/U2/U3 boards
 * device tree source
 */

#include <dt-bindings/sound/samsung-i2s.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/clock/maxim,max77686.h>
#include "exynos4412.dtsi"
#include "exynos4412-ppmu-common.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include "exynos-mfc-reserved-memory.dtsi"

/ {
	aliases {
		mmc0 = &mshc_0;
		mmc2 = &sdhci_2;
	};

	chosen {
		stdout-path = &serial_1;
	};

	firmware@204f000 {
		compatible = "samsung,secure-firmware";
		reg = <0x0204f000 0x1000>;
	};

	gpio_keys: gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&gpio_power_key>;

		power-key {
			gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_POWER>;
			label = "power key";
			debounce-interval = <10>;
			wakeup-source;
		};
	};

	sound: sound {
		compatible = "hardkernel,odroid-xu4-audio";

		cpu {
			sound-dai = <&i2s0 0>;
		};

		codec {
			sound-dai = <&hdmi>, <&max98090>;
		};
	};

	emmc_pwrseq: pwrseq {
		pinctrl-0 = <&emmc_rstn>;
		pinctrl-names = "default";
		compatible = "mmc-pwrseq-emmc";
		reset-gpios = <&gpk1 2 GPIO_ACTIVE_LOW>;
	};

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

		xusbxti {
			compatible = "samsung,clock-xusbxti";

Annotation

Implementation Notes