arch/arm64/boot/dts/exynos/exynos2200-g0s.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/exynos/exynos2200-g0s.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/exynos/exynos2200-g0s.dts
Extension
.dts
Size
3322 bytes
Lines
170
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 OR BSD-3-Clause
/*
 * Samsung Galaxy S22+ (g0s/SM-S906B) device tree source
 *
 * Copyright (c) 2025, Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
 */

/dts-v1/;
#include "exynos2200.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	model = "Samsung Galaxy S22+ (SM-S906B)";
	compatible = "samsung,g0s", "samsung,exynos2200";
	chassis-type = "handset";

	chosen {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		framebuffer: framebuffer {
			compatible = "simple-framebuffer";
			memory-region = <&cont_splash_mem>;
			width = <1080>;
			height = <2340>;
			stride = <(1080 * 4)>;
			format = "a8r8g8b8";
		};
	};

	/*
	 * RTC clock (XrtcXTI); external, must be 32.768 kHz.
	 *
	 * TODO: Remove this once RTC clock is implemented properly as part of
	 *       PMIC driver.
	 */
	rtcclk: clock-rtcclk {
		compatible = "fixed-clock";
		clock-output-names = "rtcclk";
		#clock-cells = <0>;
		clock-frequency = <32768>;
	};

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

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

		volup-key {
			label = "Volume Up";
			linux,code = <KEY_VOLUMEUP>;
			gpios = <&gpa3 0 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x0 0x80000000 0x0 0x80000000>,
		      <0x8 0x80000000 0x1 0x7e000000>;
	};

	/* TODO: Remove this once PMIC is implemented  */
	reg_dummy: regulator-0 {
		compatible = "regulator-fixed";
		regulator-name = "dummy_reg";

Annotation

Implementation Notes