arch/arm/boot/dts/nuvoton/nuvoton-npcm730.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nuvoton/nuvoton-npcm730.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nuvoton/nuvoton-npcm730.dtsi
Extension
.dtsi
Size
879 bytes
Lines
45
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) 2020 Nuvoton Technology

#include "nuvoton-common-npcm7xx.dtsi"

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	interrupt-parent = <&gic>;

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		enable-method = "nuvoton,npcm750-smp";

		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			clocks = <&clk NPCM7XX_CLK_CPU>;
			clock-names = "clk_cpu";
			reg = <0>;
			next-level-cache = <&l2>;
		};

		cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			clocks = <&clk NPCM7XX_CLK_CPU>;
			clock-names = "clk_cpu";
			reg = <1>;
			next-level-cache = <&l2>;
		};
	};

	soc {
		timer@3fe600 {
			compatible = "arm,cortex-a9-twd-timer";
			reg = <0x3fe600 0x20>;
			interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) |
						  IRQ_TYPE_LEVEL_HIGH)>;
			clocks = <&clk NPCM7XX_CLK_AHB>;
		};
	};
};

Annotation

Implementation Notes