arch/arm/boot/dts/samsung/exynos4412-p4note.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos4412-p4note.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos4412-p4note.dtsi
Extension
.dtsi
Size
29267 bytes
Lines
1281
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 Exynos4412 based p4note device family base DT.
 * Based on exynos4412-midas.dtsi.
 *
 * Copyright (c) 2013 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 */

/dts-v1/;
#include "exynos4412.dtsi"
#include "exynos4412-ppmu-common.dtsi"

#include <dt-bindings/clock/maxim,max77686.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/power/summit,smb347-charger.h>
#include "exynos-pinctrl.h"

/ {
	compatible = "samsung,p4note", "samsung,exynos4412", "samsung,exynos4";

	memory@40000000 {
		device_type = "memory";
		reg = <0x40000000 0x7fc00000>;
	};

	aliases {
		mmc0 = &mshc_0;
		mmc2 = &sdhci_2;
		mmc3 = &sdhci_3;
	};

	chosen {
		stdout-path = &serial_2;
	};

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

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

		xusbxti {
			compatible = "samsung,clock-xusbxti";
			clock-frequency = <24000000>;
		};
	};

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

		key-down {
			gpios = <&gpx2 2 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEDOWN>;
			label = "volume down";
			debounce-interval = <10>;
		};

		key-up {
			gpios = <&gpx3 3 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEUP>;

Annotation

Implementation Notes