arch/arm64/boot/dts/exynos/exynos990-x1s-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/exynos/exynos990-x1s-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/exynos/exynos990-x1s-common.dtsi
Extension
.dtsi
Size
2331 bytes
Lines
115
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 S20 Series device tree source
 *
 * Copyright (c) 2024, Umer Uddin <umer.uddin@mentallysanemainliners.org>
 */

/dts-v1/;
#include "exynos990.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>

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

		framebuffer0: framebuffer@f1000000 {
			compatible = "simple-framebuffer";
			reg = <0 0xf1000000 0 (1440 * 3200 * 4)>;
			width = <1440>;
			height = <3200>;
			stride = <(1440 * 4)>;
			format = "a8r8g8b8";
		};
	};

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

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

		cont_splash_mem: framebuffer@f1000000 {
			reg = <0 0xf1000000 0 0x1194000>;
			no-map;
		};

		abox_reserved: audio@f7fb0000 {
			reg = <0 0xf7fb0000 0 0x2a50000>;
			no-map;
		};
	};

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

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

		power-key {
			label = "Power";
			linux,code = <KEY_POWER>;
			gpios = <&gpa2 4 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		voldown-key {
			label = "Volume Down";
			linux,code = <KEY_VOLUMEDOWN>;
			gpios = <&gpa0 4 GPIO_ACTIVE_LOW>;
		};

Annotation

Implementation Notes