arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi
Extension
.dtsi
Size
29036 bytes
Lines
1241
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) 2018 Nuvoton Technology tomer.maimon@nuvoton.com
// Copyright 2018 Google, Inc.

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/nuvoton,npcm7xx-clock.h>
#include <dt-bindings/reset/nuvoton,npcm7xx-reset.h>

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

	/* external reference clock */
	clk_refclk: clk_refclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <25000000>;
		clock-output-names = "refclk";
	};

	/* external reference clock for cpu. float in normal operation */
	clk_sysbypck: clk_sysbypck {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <800000000>;
		clock-output-names = "sysbypck";
	};

	/* external reference clock for MC. float in normal operation */
	clk_mcbypck: clk_mcbypck {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <800000000>;
		clock-output-names = "mcbypck";
	};

	 /* external clock signal rg1refck, supplied by the phy */
	clk_rg1refck: clk_rg1refck {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <125000000>;
		clock-output-names = "clk_rg1refck";
	};

	 /* external clock signal rg2refck, supplied by the phy */
	clk_rg2refck: clk_rg2refck {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <125000000>;
		clock-output-names = "clk_rg2refck";
	};

	clk_xin: clk_xin {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <50000000>;
		clock-output-names = "clk_xin";
	};

	soc {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "simple-bus";
		interrupt-parent = <&gic>;
		ranges = <0x0 0xf0000000 0x00900000>;

		scu: scu@3fe000 {
			compatible = "arm,cortex-a9-scu";
			reg = <0x3fe000 0x1000>;

Annotation

Implementation Notes