arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi
Extension
.dtsi
Size
28739 bytes
Lines
1106
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-only OR MIT)
// Copyright (C) 2023-2024 Arm Ltd.

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/sun6i-rtc.h>
#include <dt-bindings/clock/sun55i-a523-ccu.h>
#include <dt-bindings/clock/sun55i-a523-mcu-ccu.h>
#include <dt-bindings/clock/sun55i-a523-r-ccu.h>
#include <dt-bindings/reset/sun55i-a523-ccu.h>
#include <dt-bindings/reset/sun55i-a523-mcu-ccu.h>
#include <dt-bindings/reset/sun55i-a523-r-ccu.h>
#include <dt-bindings/power/allwinner,sun55i-a523-ppu.h>
#include <dt-bindings/power/allwinner,sun55i-a523-pck-600.h>

/ {
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

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

		cpu0: cpu@0 {
			compatible = "arm,cortex-a55";
			device_type = "cpu";
			reg = <0x000>;
			enable-method = "psci";
		};

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

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

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

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

		cpu5: cpu@500 {
			compatible = "arm,cortex-a55";
			device_type = "cpu";
			reg = <0x500>;
			enable-method = "psci";
		};

		cpu6: cpu@600 {
			compatible = "arm,cortex-a55";
			device_type = "cpu";
			reg = <0x600>;
			enable-method = "psci";

Annotation

Implementation Notes