arch/arm64/boot/dts/exynos/axis/artpec9.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/exynos/axis/artpec9.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/exynos/axis/artpec9.dtsi
Extension
.dtsi
Size
7330 bytes
Lines
279
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 MIT)
/*
 * Axis ARTPEC-9 SoC device tree source
 *
 * Copyright (c) 2025 Samsung Electronics Co., Ltd.
 *             https://www.samsung.com
 * Copyright (c) 2025  Axis Communications AB.
 *             https://www.axis.com
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/axis,artpec9-clk.h>

/ {
	compatible = "axis,artpec9";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	aliases {
		pinctrl0 = &pinctrl_fsys0;
		pinctrl1 = &pinctrl_fsys1;
		pinctrl2 = &pinctrl_peric;
	};

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0>;
			enable-method = "psci";
			cpu-idle-states = <&cpu_sleep>;
			clocks = <&cmu_cpucl CLK_GOUT_CPUCL_CLUSTER_CPU>;
			clock-names = "cpu";
		};

		cpu1: cpu@100 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x100>;
			enable-method = "psci";
			cpu-idle-states = <&cpu_sleep>;
		};

		cpu2: cpu@200 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x200>;
			enable-method = "psci";
			cpu-idle-states = <&cpu_sleep>;
		};

		cpu3: cpu@300 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x300>;
			enable-method = "psci";
			cpu-idle-states = <&cpu_sleep>;
		};

		cpu4: cpu@400 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x400>;
			enable-method = "psci";
			cpu-idle-states = <&cpu_sleep>;
		};

Annotation

Implementation Notes