arch/arm64/boot/dts/actions/s700.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/actions/s700.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/actions/s700.dtsi
Extension
.dtsi
Size
6553 bytes
Lines
264
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)
/*
 * Copyright (c) 2017 Andreas Färber
 */

#include <dt-bindings/clock/actions,s700-cmu.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/owl-s700-powergate.h>
#include <dt-bindings/reset/actions,s700-reset.h>

/ {
	compatible = "actions,s700";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	cpus {
		#address-cells = <2>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x0>;
			enable-method = "psci";
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x1>;
			enable-method = "psci";
		};

		cpu2: cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x2>;
			enable-method = "psci";
		};

		cpu3: cpu@3 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x3>;
			enable-method = "psci";
		};
	};

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

		secmon@1f000000 {
			reg = <0x0 0x1f000000 0x0 0x1000000>;
			no-map;
		};
	};

	psci {
		compatible = "arm,psci-0.2";
		method = "smc";
	};

	arm-pmu {
		compatible = "arm,cortex-a53-pmu";
		interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
		             <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
		             <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,

Annotation

Implementation Notes