arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/exynos/exynosautov920-sadk.dts
Extension
.dts
Size
1645 bytes
Lines
97
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's ExynosAutov920 SADK board device tree source
 *
 * Copyright (c) 2023 Samsung Electronics Co., Ltd.
 *
 */

/dts-v1/;
#include "exynosautov920.dtsi"
#include "exynos-pinctrl.h"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
	model = "Samsung ExynosAutov920 SADK board";
	compatible = "samsung,exynosautov920-sadk", "samsung,exynosautov920";

	#address-cells = <2>;
	#size-cells = <2>;

	aliases {
		serial0 = &serial_0;
	};

	chosen {
		stdout-path = &serial_0;
	};

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

		key-wakeup {
			label = "KEY_WAKEUP";
			linux,code = <KEY_WAKEUP>;
			gpios = <&gpa0 0 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		key-back {
			label = "KEY_BACK";
			linux,code = <KEY_BACK>;
			gpios = <&gpp6 3 GPIO_ACTIVE_LOW>;
		};
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x0 0x80000000 0x0 0x70000000>,
		      <0x8 0x80000000 0x1 0xfba00000>,
		      <0xa 0x00000000 0x2 0x00000000>;
	};
};

&pinctrl_alive {
	key_wakeup: key-wakeup-pins {
		samsung,pins = "gpa0-0";
		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
	};
};

&pinctrl_peric1 {
	key_back: key-back-pins {
		samsung,pins = "gpp6-3";
		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
	};
};

Annotation

Implementation Notes