boards/arm/degu_evk/degu_evk.dts

/*
 * Copyright (c) 2019 Atmark Techno, Inc.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>

/ {
	model = "Degu Evaluation Kit";
	compatible = "nordic,pca10056-dk", "nordic,nrf52840-qiaa",
		     "nordic,nrf52840";

	chosen {
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,code-partition = &slot0_partition;
	};

	leds {
		compatible = "gpio-leds";
		led0: led_0 {
			gpios = <&gpio1 7 GPIO_INT_ACTIVE_LOW>;
			label = "LED1";
		};
		led1: led_1 {
			gpios = <&gpio1 5 GPIO_INT_ACTIVE_LOW>;
			label = "LED2";
		};
		led2: led_2 {
			gpios = <&gpio1 3 GPIO_INT_ACTIVE_LOW>;
			label = "LED3";
		};
		led3: led_3 {
			gpios = <&gpio1 4 GPIO_INT_ACTIVE_LOW>;
			label = "LED4";
		};
	};

	buttons {
		compatible = "gpio-keys";
		button0: button_0 {
			gpios = <&gpio1 0 GPIO_PUD_PULL_UP>;
			label = "SW2";
		};
		button1: button_1 {
			gpios = <&gpio1 1 GPIO_PUD_PULL_UP>;
			label = "SW3";
		};
		button2: button_2 {
			gpios = <&gpio1 14 GPIO_PUD_PULL_UP>;
			label = "SW4";
		};
	};

	/* These aliases are provided for compatibility with samples */
	aliases {
		led0 = &led0;
		led1 = &led1;
		led2 = &led2;
		led3 = &led3;
		sw0 = &button0;
		sw1 = &button1;
		sw2 = &button2;
	};
};

&adc {
	status ="okay";
};

&gpiote {
	status ="okay";
};

&gpio0 {
	status ="okay";
};

&gpio1 {
	status ="okay";
};

&uart0 {
	compatible = "nordic,nrf-uart";
	current-speed = <115200>;
	status = "okay";
	tx-pin = <25>;
	rx-pin = <24>;
	rts-pin = <23>;
	cts-pin = <21>;
};

&i2c0 {
	compatible = "nordic,nrf-twim";
	status = "okay";
	sda-pin = <20>;
	scl-pin = <22>;
};

&i2c1 {
	compatible = "nordic,nrf-twim";
	status = "okay";
	sda-pin = <41>;
	scl-pin = <11>;
};

&flash0 {
	/*
	 * For more information, see:
	 * http://docs.zephyrproject.org/latest/devices/dts/flash_partitions.html
	 */
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x000000000 0x00014000>;
		};
		slot0_partition: partition@14000 {
			label = "image-0";
			reg = <0x000014000 0x0006e000>;
		};
		slot1_partition: partition@82000 {
			label = "image-1";
			reg = <0x000082000 0x0006e000>;
		};
		scratch_partition: partition@f0000 {
			label = "image-scratch";
			reg = <0x0000f0000 0x00008000>;
		};
		storage_partition: partition@f8000 {
			label = "storage";
			reg = <0x0000f8000 0x00008000>;
		};
	};
};

&usbd {
	compatible = "nordic,nrf-usbd";
	status = "okay";
};