arch/arm/boot/dts/mediatek/mt8127.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/mediatek/mt8127.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/mediatek/mt8127.dtsi
Extension
.dtsi
Size
3724 bytes
Lines
164
Domain
Architecture Layer
Bucket
arch/arm
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
/*
 * Copyright (c) 2014 MediaTek Inc.
 * Author: Joe.C <yingjoe.chen@mediatek.com>
 *
 */

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

/ {
	#address-cells = <2>;
	#size-cells = <2>;
	compatible = "mediatek,mt8127";
	interrupt-parent = <&sysirq>;

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		enable-method = "mediatek,mt81xx-tz-smp";

		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0x0>;
		};
		cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0x1>;
		};
		cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0x2>;
		};
		cpu@3 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0x3>;
		};

	};

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

		trustzone-bootinfo@80002000 {
			compatible = "mediatek,trustzone-bootinfo";
			reg = <0 0x80002000 0 0x1000>;
		};
	};

	clocks {
		#address-cells = <2>;
		#size-cells = <2>;
		compatible = "simple-bus";
		ranges;

		system_clk: dummy13m {
			compatible = "fixed-clock";
			clock-frequency = <13000000>;
			#clock-cells = <0>;
		};

		rtc_clk: dummy32k {
			compatible = "fixed-clock";
			clock-frequency = <32000>;

Annotation

Implementation Notes