arch/arm/boot/dts/samsung/exynos5420-peach-pit.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos5420-peach-pit.dts
Extension
.dts
Size
25501 bytes
Lines
1128
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
/*
 * Google Peach Pit Rev 6+ board device tree source
 *
 * Copyright (c) 2014 Google, Inc
 */

/dts-v1/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/maxim,max77802.h>
#include <dt-bindings/regulator/maxim,max77802.h>
#include <dt-bindings/sound/samsung-i2s.h>
#include "exynos5420.dtsi"
#include "exynos5420-cpus.dtsi"

/ {
	model = "Google Peach Pit Rev 6+";

	compatible = "google,pit-rev16",
		"google,pit-rev15", "google,pit-rev14",
		"google,pit-rev13", "google,pit-rev12",
		"google,pit-rev11", "google,pit-rev10",
		"google,pit-rev9", "google,pit-rev8",
		"google,pit-rev7", "google,pit-rev6",
		"google,pit", "google,peach","samsung,exynos5420",
		"samsung,exynos5";
	chassis-type = "laptop";

	aliases {
		/* Assign 20 so we don't get confused w/ builtin ones */
		i2c20 = &i2c_tunnel;
		mmc0 = &mmc_0; /* eMMC */
		mmc1 = &mmc_2; /* uSD */
		mmc2 = &mmc_1; /* WiFi */
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 0 1000000 0>;
		brightness-levels = <0 100 500 1000 1500 2000 2500 2800>;
		default-brightness-level = <7>;
		power-supply = <&tps65090_fet1>;
		pinctrl-0 = <&pwm0_out>;
		pinctrl-names = "default";
	};

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

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

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

		pinctrl-names = "default";
		pinctrl-0 = <&power_key_irq &lid_irq>;

		power-key {
			label = "Power";
			gpios = <&gpx1 2 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_POWER>;
			wakeup-source;

Annotation

Implementation Notes