arch/arm/boot/dts/microchip/at91-wb50n.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91-wb50n.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91-wb50n.dts
Extension
.dts
Size
1434 bytes
Lines
103
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
/*
 * at91-wb50n.dts - Device Tree file for wb50n evaluation board
 *
 *  Copyright (C) 2018 Laird
 *
 */

/dts-v1/;
#include "at91-wb50n.dtsi"

/ {
	model = "Laird Workgroup Bridge 50N - Atmel SAMA5D";
	compatible = "laird,wb50n", "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";

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

		button-0 {
			label = "BTNESC";
			linux,code = <1>; /* ESC button */
			gpios = <&pioA 10 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		button-1 {
			label = "IRQBTN";
			linux,code = <99>; /* SysReq button */
			gpios = <&pioE 31 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};
	};

	leds {
		compatible = "gpio-leds";

		led0 {
			label = "wb50n:blue:led0";
			gpios = <&pioA 12 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		led1 {
			label = "wb50n:green:led1";
			gpios = <&pioA 24 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		led2 {
			label = "wb50n:red:led2";
			gpios = <&pioA 26 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
	};
};

&watchdog {
	status = "okay";
};

&mmc0 {
	status = "okay";
};

&macb1 {
	status = "okay";
};

&dbgu {
	status = "okay";

Annotation

Implementation Notes