arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts
Extension
.dts
Size
12217 bytes
Lines
615
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-sama5d29_curiosity.dts - Device Tree file for SAMA5D29 Curiosity board
 *
 * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries
 *
 * Author: Mihai Sain <mihai.sain@microchip.com>
 *
 */
/dts-v1/;
#include "sama5d29.dtsi"
#include "sama5d2-pinfunc.h"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/mfd/atmel-flexcom.h>

/ {
	model = "Microchip SAMA5D29 Curiosity";
	compatible = "microchip,sama5d29-curiosity", "atmel,sama5d29", "atmel,sama5d2", "atmel,sama5";

	aliases {
		serial0 = &uart0;	// debug
		serial1 = &uart1;	// RPi
		serial2 = &uart3;	// mikro BUS 2
		serial3 = &uart4;	// mikro BUS 1
		serial4 = &uart6;	// flx1 Bluetooth
		i2c0 = &i2c0;
		i2c1 = &i2c1;
	};

	chosen {
		bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
		stdout-path = "serial0:115200n8";
	};

	clocks {
		slow_xtal {
			clock-frequency = <32768>;
		};

		main_xtal {
			clock-frequency = <24000000>;
		};
	};

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

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

		button-1 {
			label = "USER BUTTON";
			gpios = <&pioA PIN_PA17 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_PA7 GPIO_ACTIVE_HIGH>;
		};

Annotation

Implementation Notes