arch/arm64/boot/dts/exynos/exynos7885.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/exynos/exynos7885.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/exynos/exynos7885.dtsi
Extension
.dtsi
Size
11684 bytes
Lines
471
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 Exynos7885 SoC device tree source
 *
 * Copyright (c) 2021 Samsung Electronics Co., Ltd.
 * Copyright (c) 2021 Dávid Virág
 */

#include <dt-bindings/clock/exynos7885.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
	compatible = "samsung,exynos7885";
	#address-cells = <2>;
	#size-cells = <1>;

	interrupt-parent = <&gic>;

	aliases {
		pinctrl0 = &pinctrl_alive;
		pinctrl1 = &pinctrl_dispaud;
		pinctrl2 = &pinctrl_fsys;
		pinctrl3 = &pinctrl_top;
	};

	arm-a53-pmu {
		compatible = "arm,cortex-a53-pmu";
		interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&cpu0>,
				     <&cpu1>,
				     <&cpu2>,
				     <&cpu3>,
				     <&cpu4>,
				     <&cpu5>;
	};

	arm-a73-pmu {
		compatible = "arm,cortex-a73-pmu";
		interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&cpu6>,
				     <&cpu7>;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu-map {
			cluster0 {
				core0 {
					cpu = <&cpu0>;
				};
				core1 {
					cpu = <&cpu1>;
				};
				core2 {
					cpu = <&cpu2>;
				};
				core3 {
					cpu = <&cpu3>;
				};
				core4 {
					cpu = <&cpu4>;
				};

Annotation

Implementation Notes