arch/arm/boot/dts/microchip/at91-sama5d3_eds.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91-sama5d3_eds.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91-sama5d3_eds.dts
Extension
.dts
Size
6459 bytes
Lines
308
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-sama5d3_eds.dts - Device Tree file for the SAMA5D3 Ethernet
 *    Development System board.
 *
 * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
 *
 * Author: Jerry Ray <jerry.ray@microchip.com>
 */
/dts-v1/;
#include "sama5d36.dtsi"

/ {
	model = "SAMA5D3 Ethernet Development System";
	compatible = "microchip,sama5d3-eds", "atmel,sama5d36",
		     "atmel,sama5d3", "atmel,sama5";

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

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

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

		button-3 {
			label = "PB_USER";
			gpios = <&pioE 29 GPIO_ACTIVE_LOW>;
			linux,code = <0x104>;
			wakeup-source;
		};
	};

	memory@20000000 {
		reg = <0x20000000 0x10000000>;
	};

	vcc_3v3_reg: regulator-1 {
		compatible = "regulator-fixed";
		regulator-name = "VCC_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	vcc_2v5_reg: regulator-2 {
		compatible = "regulator-fixed";
		regulator-name = "VCC_2V5";
		regulator-min-microvolt = <2500000>;
		regulator-max-microvolt = <2500000>;
		regulator-always-on;
		vin-supply = <&vcc_3v3_reg>;
	};

	vcc_1v8_reg: regulator-3 {
		compatible = "regulator-fixed";
		regulator-name = "VCC_1V8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-always-on;
		vin-supply = <&vcc_3v3_reg>;
	};

	vcc_1v2_reg: regulator-4 {
		compatible = "regulator-fixed";
		regulator-name = "VCC_1V2";
		regulator-min-microvolt = <1200000>;
		regulator-max-microvolt = <1200000>;

Annotation

Implementation Notes