arch/arm64/boot/dts/sprd/sc9860.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/sprd/sc9860.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/sprd/sc9860.dtsi
Extension
.dtsi
Size
12519 bytes
Lines
627
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)
/*
 * Spreadtrum SC9860 SoC
 *
 * Copyright (C) 2016, Spreadtrum Communications Inc.
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
#include "whale2.dtsi"

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

		cpu-map {
			cluster0 {
				core0 {
					cpu = <&CPU0>;
				};
				core1 {
					cpu = <&CPU1>;
				};
				core2 {
					cpu = <&CPU2>;
				};
				core3 {
					cpu = <&CPU3>;
				};
			};

			cluster1 {
				core0 {
					cpu = <&CPU4>;
				};
				core1 {
					cpu = <&CPU5>;
				};
				core2 {
					cpu = <&CPU6>;
				};
				core3 {
					cpu = <&CPU7>;
				};
			};
		};

		CPU0: cpu@530000 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x530000>;
			enable-method = "psci";
			cpu-idle-states = <&CORE_PD &CLUSTER_PD>;
		};

		CPU1: cpu@530001 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x530001>;
			enable-method = "psci";
			cpu-idle-states = <&CORE_PD &CLUSTER_PD>;
		};

		CPU2: cpu@530002 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x530002>;
			enable-method = "psci";

Annotation

Implementation Notes