arch/arm/boot/dts/mediatek/mt6580.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/mediatek/mt6580.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/mediatek/mt6580.dtsi
Extension
.dtsi
Size
2297 bytes
Lines
109
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) 2015 MediaTek Inc.
 * Author: Mars.C <mars.cheng@mediatek.com>
 *
 */

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

/ {
	compatible = "mediatek,mt6580";
	#address-cells = <1>;
	#size-cells = <1>;
	interrupt-parent = <&sysirq>;

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

		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>;
		};

	};

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

	rtc_clk: dummy32k {
		compatible = "fixed-clock";
		clock-frequency = <32000>;
		#clock-cells = <0>;
	};

	uart_clk: dummy26m {
		compatible = "fixed-clock";
		clock-frequency = <26000000>;
		#clock-cells = <0>;
	};

	timer: timer@10008000 {
		compatible = "mediatek,mt6580-timer",
			     "mediatek,mt6577-timer";
		reg = <0x10008000 0x80>;
		interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_LOW>;
		clocks = <&system_clk>, <&rtc_clk>;
		clock-names = "system-clk", "rtc-clk";
	};

Annotation

Implementation Notes