arch/arm/boot/dts/intel/ixp/intel-ixp42x-actiontec-mi424wr.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/intel/ixp/intel-ixp42x-actiontec-mi424wr.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/intel/ixp/intel-ixp42x-actiontec-mi424wr.dtsi
Extension
.dtsi
Size
5993 bytes
Lines
272
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 IXP425-based Actiontec MI424WR
 * Based on a board file from OpenWrt by Jose Vasconcellos.
 */

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

/ {
	#address-cells = <1>;
	#size-cells = <1>;

	memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x02000000>;
	};

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

	leds {
		compatible = "gpio-leds";

		led-wan-coax {
			color = <LED_COLOR_ID_GREEN>;
			function = "wan-coax";
			gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
		led-power-alarm {
			color = <LED_COLOR_ID_RED>;
			function = LED_FUNCTION_ALARM;
			gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
		led-power {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_POWER;
			gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
		led-wireless {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_WLAN;
			gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
		led-internet-down {
			color = <LED_COLOR_ID_RED>;
			function = "internet-down";
			gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
		led-internet-up {
			color = <LED_COLOR_ID_GREEN>;
			function = "internet-up";
			gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
		led-lan-coax {
			color = <LED_COLOR_ID_GREEN>;
			function = "lan-coax";
			gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};

Annotation

Implementation Notes