arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-wrv54g.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-wrv54g.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-wrv54g.dts
Extension
.dts
Size
5193 bytes
Lines
240
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: ISC
/*
 * Device Tree file for the Linksys WRV54G router
 * Also known as Gemtek GTWX5715
 * Based on a board file by George T. Joseph and other patches.
 * This machine is based on IXP425.
 */

/dts-v1/;

#include "intel-ixp42x.dtsi"
#include <dt-bindings/input/input.h>

/ {
	model = "Linksys WRV54G / Gemtek GTWX5715";
	compatible = "linksys,wrv54g", "intel,ixp42x";
	#address-cells = <1>;
	#size-cells = <1>;

	memory@0 {
		/* 32 MB memory */
		device_type = "memory";
		reg = <0x00000000 0x2000000>;
	};

	chosen {
		bootargs = "console=ttyS0,115200n8";
		stdout-path = "uart1:115200n8";
	};

	aliases {
		/* UART2 is the primary console */
		serial0 = &uart1;
		serial1 = &uart0;
	};

	/* There is an unpopulated LED slot (3) connected to GPIO 8 */
	leds {
		compatible = "gpio-leds";
		led-power {
			label = "wrv54g:yellow:power";
			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
		led-wireless {
			label = "wrv54g:yellow:wireless";
			gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
			default-state = "on";
		};
		led-internet {
			label = "wrv54g:yellow:internet";
			gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
			default-state = "on";
		};
		led-dmz {
			label = "wrv54g:green:dmz";
			gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
			default-state = "on";
		};
	};

	/* This set-up comes from an OpenWrt patch */
	spi {
		compatible = "spi-gpio";
		#address-cells = <1>;
		#size-cells = <0>;

		sck-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
		miso-gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;

Annotation

Implementation Notes