arch/arm/boot/dts/broadcom/bcm4709-buffalo-wxr-1900dhp.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/broadcom/bcm4709-buffalo-wxr-1900dhp.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/broadcom/bcm4709-buffalo-wxr-1900dhp.dts
Extension
.dts
Size
2507 bytes
Lines
133
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-or-later OR MIT
/*
 * Broadcom BCM470X / BCM5301X ARM platform code.
 * DTS for Buffalo WXR-1900DHP
 *
 * Copyright (C) 2015 Felix Fietkau <nbd@openwrt.org>
 */

/dts-v1/;

#include "bcm4709.dtsi"
#include "bcm5301x-nand-cs0-bch8.dtsi"

/ {
	compatible = "buffalo,wxr-1900dhp", "brcm,bcm4709", "brcm,bcm4708";
	model = "Buffalo WXR-1900DHP";

	chosen {
		bootargs = "console=ttyS0,115200";
	};

	memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x08000000>,
		      <0x88000000 0x18000000>;
	};

	leds {
		compatible = "gpio-leds";

		led-usb {
			label = "bcm53xx:green:usb";
			gpios = <&chipcommon 4 GPIO_ACTIVE_HIGH>;
		};

		led-power-amber {
			label = "bcm53xx:amber:power";
			gpios = <&chipcommon 5 GPIO_ACTIVE_HIGH>;
		};

		led-power-white {
			label = "bcm53xx:white:power";
			gpios = <&chipcommon 6 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "default-on";
		};

		led-router-amber {
			label = "bcm53xx:amber:router";
			gpios = <&chipcommon 7 GPIO_ACTIVE_HIGH>;
		};

		led-router-white {
			label = "bcm53xx:white:router";
			gpios = <&chipcommon 8 GPIO_ACTIVE_HIGH>;
		};

		led-wan-amber {
			label = "bcm53xx:amber:wan";
			gpios = <&chipcommon 9 GPIO_ACTIVE_HIGH>;
		};

		led-wan-white {
			label = "bcm53xx:white:wan";
			gpios = <&chipcommon 10 GPIO_ACTIVE_HIGH>;
		};

		led-wireless-amber {
			label = "bcm53xx:amber:wireless";
			gpios = <&chipcommon 11 GPIO_ACTIVE_HIGH>;
		};

Annotation

Implementation Notes