arch/arm/boot/dts/microchip/at91-sam9x60ek.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/at91-sam9x60ek.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/at91-sam9x60ek.dts
Extension
.dts
Size
17480 bytes
Lines
700
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-sam9x60ek.dts - Device Tree file for Microchip SAM9X60-EK board
 *
 * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries
 *
 * Author: Sandeep Sheriker M <sandeepsheriker.mallikarjun@microchip.com>
 */
/dts-v1/;
#include "sam9x60.dtsi"
#include <dt-bindings/input/input.h>

/ {
	model = "Microchip SAM9X60-EK";
	compatible = "microchip,sam9x60ek", "microchip,sam9x60", "atmel,at91sam9";

	aliases {
		i2c0 = &i2c0;
		i2c1 = &i2c6;
		serial1 = &uart5;
	};

	chosen {
		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 = "SW1";
			gpios = <&pioD 18 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_PROG1>;
			wakeup-source;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_leds>;
		status = "okay"; /* Conflict with pwm0. */

		led-red {
			label = "red";
			gpios = <&pioB 11 GPIO_ACTIVE_HIGH>;
		};

		led-green {
			label = "green";
			gpios = <&pioB 12 GPIO_ACTIVE_HIGH>;
		};

		led-blue {
			label = "blue";
			gpios = <&pioB 13 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};

Annotation

Implementation Notes