arch/arm/boot/dts/broadcom/bcm4708-buffalo-wxr-1750dhp.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/broadcom/bcm4708-buffalo-wxr-1750dhp.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/broadcom/bcm4708-buffalo-wxr-1750dhp.dts
Extension
.dts
Size
2500 bytes
Lines
139
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
/*
 * Author: Taishi Shimizu <s.taishi14142@gmail.com>
 */

/dts-v1/;

#include "bcm4708.dtsi"
#include "bcm5301x-nand-cs0-bch8.dtsi"
#include <dt-bindings/leds/common.h>

/ {
	compatible = "buffalo,wxr-1750dhp", "brcm,bcm4708";
	model = "Buffalo WXR-1750DHP";

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

	gpio-keys {
		compatible = "gpio-keys";

		button-aoss {
			gpios = <&chipcommon 2 GPIO_ACTIVE_LOW>;
			label = "AOSS";
			linux,code = <KEY_WPS_BUTTON>;
		};

		/* GPIO 3 is a switch button with AUTO / MANUAL. */
		button-manual {
			gpios = <&chipcommon 3 GPIO_ACTIVE_HIGH>;
			label = "MANUAL";
			linux,code = <BTN_0>;
			linux,input-type = <EV_SW>;
		};

		button-restart {
			gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
			label = "Reset";
			linux,code = <KEY_RESTART>;
		};

		/* GPIO 8 and 9 are a tri-state switch button with
		 * ROUTER / AP / WB.
		 */
		button-router {
			gpios = <&chipcommon 8 GPIO_ACTIVE_LOW>;
			label = "ROUTER";
			linux,code = <BTN_1>;
			linux,input-type = <EV_SW>;
		};

		button-wb {
			gpios = <&chipcommon 9 GPIO_ACTIVE_LOW>;
			label = "WB";
			linux,code = <BTN_2>;
			linux,input-type = <EV_SW>;
		};
	};

	leds {
		compatible = "gpio-leds";

		led-internet {
			color = <LED_COLOR_ID_WHITE>;
			function = "internet";
			gpios = <&chipcommon 7 GPIO_ACTIVE_HIGH>;
		};

Annotation

Implementation Notes