arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/intel/ixp/intel-ixp42x-linksys-nslu2.dts
Extension
.dts
Size
4090 bytes
Lines
172
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 Linksys NSLU2
 */

/dts-v1/;

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

/ {
	model = "Linksys NSLU2 (Network Storage Link for USB 2.0 Disk Drives)";
	compatible = "linksys,nslu2", "intel,ixp42x";
	#address-cells = <1>;
	#size-cells = <1>;

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

	chosen {
		bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";
		stdout-path = "uart0:115200n8";
	};

	aliases {
		serial0 = &uart0;
	};

	leds {
		compatible = "gpio-leds";
		led-status {
			label = "nslu2:red:status";
			gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
		led-ready {
			label = "nslu2:green:ready";
			gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};
		led-disk-1 {
			label = "nslu2:green:disk-1";
			gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
		led-disk-2 {
			label = "nslu2:green:disk-2";
			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		button-power {
			wakeup-source;
			linux,code = <KEY_POWER>;
			label = "power";
			gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
		};
		button-reset {
			wakeup-source;
			linux,code = <KEY_RESTART>;
			label = "reset";
			gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;

Annotation

Implementation Notes