arch/arm64/boot/dts/exynos/exynos7870-on7xelte.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/exynos/exynos7870-on7xelte.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/exynos/exynos7870-on7xelte.dts
Extension
.dts
Size
15250 bytes
Lines
684
Domain
Architecture Layer
Bucket
arch/arm64
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 Galaxy J7 Prime (on7xelte) device tree source
 *
 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
 * Copyright (c) 2025 Kaustabh Chakraborty <kauschluss@disroot.org>
 */

/dts-v1/;
#include "exynos7870.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	model = "Samsung Galaxy J7 Prime";
	compatible = "samsung,on7xelte", "samsung,exynos7870";
	chassis-type = "handset";

	aliases {
		mmc0 = &mmc0;
		mmc1 = &mmc1;
		mmc2 = &mmc2;
		serial0 = &serial0;
		serial1 = &serial1;
		serial2 = &serial2;
	};

	chosen {
		stdout-path = &serial2;
	};

	gpio-keys {
		compatible = "gpio-keys";
		label = "GPIO Keys";

		pinctrl-names = "default";
		pinctrl-0 = <&key_home &key_power &key_voldown &key_volup>;

		key-home {
			label = "Home Key";
			gpios = <&gpa1 7 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_HOMEPAGE>;
		};

		key-power {
			label = "Power Key";
			gpios = <&gpa0 0 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_POWER>;
		};

		key-voldown {
			label = "Volume Down Key";
			gpios = <&gpa2 1 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEDOWN>;
		};

		key-volup {
			label = "Volume Up Key";
			gpios = <&gpa2 0 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEUP>;
		};
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0x0 0x40000000 0x3e400000>,
		      <0x0 0x80000000 0x80000000>;
	};

Annotation

Implementation Notes