arch/arm64/boot/dts/lg/lg131x.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/lg/lg131x.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/lg/lg131x.dtsi
Extension
.dtsi
Size
8447 bytes
Lines
334
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
/*
 * dts file for lg131x SoCs
 *
 * Copyright (C) 2016, LG Electronics
 */

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

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

	interrupt-parent = <&gic>;

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x0>;
			next-level-cache = <&L2_0>;
		};
		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x1>;
			enable-method = "psci";
			next-level-cache = <&L2_0>;
		};
		cpu2: cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x2>;
			enable-method = "psci";
			next-level-cache = <&L2_0>;
		};
		cpu3: cpu@3 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x3>;
			enable-method = "psci";
			next-level-cache = <&L2_0>;
		};
		L2_0: l2-cache0 {
			compatible = "cache";
			cache-level = <2>;
			cache-unified;
		};
	};

	psci {
		compatible = "arm,psci-0.2", "arm,psci";
		method = "smc";
		cpu_suspend = <0x84000001>;
		cpu_off = <0x84000002>;
		cpu_on = <0x84000003>;
	};

	gic: interrupt-controller@c0001000 {
		#interrupt-cells = <3>;
		compatible = "arm,gic-400";
		interrupt-controller;
		reg = <0x0 0xc0001000 0x1000>,
		      <0x0 0xc0002000 0x2000>,
		      <0x0 0xc0004000 0x2000>,
		      <0x0 0xc0006000 0x2000>;

Annotation

Implementation Notes