arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1_ek.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1_ek.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91-sama5d27_wlsom1_ek.dts
Extension
.dts
Size
4912 bytes
Lines
270
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 MIT)
/*
 * at91-sama5d27_wlsom1_ek.dts - Device Tree file for SAMA5D27 WLSOM1 EK
 *
 * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries
 *
 * Author: Nicolas Ferre <nicolas.ferre@microcihp.com>
 */
/dts-v1/;
#include "at91-sama5d27_wlsom1.dtsi"
#include <dt-bindings/input/input.h>

/ {
	model = "Microchip SAMA5D27 WLSOM1 EK";
	compatible = "microchip,sama5d27-wlsom1-ek", "microchip,sama5d27-wlsom1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";

	aliases {
		serial0 = &uart0;	/* DBGU */
		serial1 = &uart6;	/* BT */
		serial2 = &uart5;	/* mikro BUS 2 */
		serial3 = &uart3;	/* mikro BUS 1 */
		i2c1 = &i2c1;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

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

		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_key_gpio_default>;

		button-1 {
			label = "USER BUTTON";
			gpios = <&pioA PIN_PB2 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_PROG1>;
			wakeup-source;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_led_gpio_default>;
		status = "okay";

		led-red {
			label = "red";
			gpios = <&pioA PIN_PA6 GPIO_ACTIVE_HIGH>;
		};

		led-green {
			label = "green";
			gpios = <&pioA PIN_PA7 GPIO_ACTIVE_HIGH>;
		};

		led-blue {
			label = "blue";
			gpios = <&pioA PIN_PA8 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};
	};
};

&adc {
	vddana-supply = <&vdd_3v3>;
	vref-supply = <&vdd_3v3>;
	pinctrl-names = "default";

Annotation

Implementation Notes