arch/arm64/boot/dts/exynos/exynos850-e850-96.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/exynos/exynos850-e850-96.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/exynos/exynos850-e850-96.dts
Extension
.dts
Size
5978 bytes
Lines
286
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
/*
 * WinLink E850-96 board device tree source
 *
 * Copyright (C) 2018 Samsung Electronics Co., Ltd.
 * Copyright (C) 2021 Linaro Ltd.
 *
 * Device tree source file for WinLink's E850-96 board which is based on
 * Samsung Exynos850 SoC.
 */

/dts-v1/;

#include "exynos850.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>

/ {
	model = "WinLink E850-96 board";
	compatible = "winlink,e850-96", "samsung,exynos850";

	aliases {
		ethernet0 = &ethernet;
		mmc0 = &mmc_0;
		serial0 = &serial_0;
	};

	chosen {
		stdout-path = &serial_0;
	};

	connector {
		compatible = "gpio-usb-b-connector", "usb-b-connector";
		label = "micro-USB";
		type = "micro";
		vbus-supply = <&reg_usb_host_vbus>;
		id-gpios = <&gpa0 0 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";
		pinctrl-0 = <&micro_usb_det_pins>;

		port {
			usb_dr_connector: endpoint {
				remote-endpoint = <&usb1_drd_sw>;
			};
		};
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x0 0x80000000 0x80000000>,
		      <0x8 0x80000000 0x80000000>;
	};

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

		volume-down-key {
			label = "Volume Down";
			linux,code = <KEY_VOLUMEDOWN>;
			gpios = <&gpa1 0 GPIO_ACTIVE_LOW>;
		};

		volume-up-key {
			label = "Volume Up";
			linux,code = <KEY_VOLUMEUP>;
			gpios = <&gpa0 7 GPIO_ACTIVE_LOW>;
		};

Annotation

Implementation Notes