boards/arm/bbc_microbit/bbc_microbit.dts

/*
 * Copyright (c) 2017 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <nordic/nrf51822_qfaa.dtsi>

/ {
	model = "BBC Micro:bit";
	compatible = "bbc,microbit";

	/* These aliases are provided for compatibility with samples */
	aliases {
		sw0 = &buttonA;
		sw1 = &buttonB;
	};

	chosen {
		zephyr,console = &uart0;
		zephyr,shell-uart = &uart0;
		zephyr,bt-mon-uart = &uart0;
		zephyr,bt-c2h-uart = &uart0;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,code-partition = &slot0_partition;
	};

	gpio_keys {
		compatible = "gpio-keys";
		buttonA: button_0 {
			label = "BTN_A";
			gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
		};

		buttonB: button_1 {
			label = "BTN_B";
			gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
		};
	};

};

&gpiote {
	status = "okay";
};

&gpio0 {
	status = "okay";
};

&uart0 {
	status = "okay";
	current-speed = <115200>;
	tx-pin = <24>;
	rx-pin = <25>;
};

&i2c0 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
	sda-pin = <30>;
	scl-pin = <0>;

	/* See https://tech.microbit.org/hardware/i2c/ for board variants */

	/* v1.3 MMA8653FC (= FXOS8700) + MAG3110 */
	mma8653fc@1d {
		compatible = "nxp,fxos8700", "nxp,mma8653fc";
		status = "okay";
		reg = <0x1d>;
		label = "MMA8653FC";
		int1-gpios = <&gpio0 28 GPIO_ACTIVE_LOW>;
		int2-gpios = <&gpio0 27 GPIO_ACTIVE_LOW>;
	};

	/* v1.5 variant 1 LSM303AGR */
	lsm303agr-magn@1e {
		compatible = "st,lis2mdl", "st,lsm303agr-magn";
		status = "disabled";
		reg = <0x1e>;
		label = "LSM303AGR-MAGN";
		irq-gpios = <&gpio0 27 GPIO_ACTIVE_HIGH>;	/* A3 */
	};

	lsm303agr-accel@19 {
		compatible = "st,lis2dh", "st,lsm303agr-accel";
		status = "disabled";
		reg = <0x19>;
		label = "LSM303AGR-ACCEL";
		irq-gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>;
	};
};

&flash0 {

	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 0x8000>;
		};
		slot0_partition: partition@8000 {
			label = "image-0";
			reg = <0x00008000 0x1a000>;
		};
		slot1_partition: partition@22000 {
			label = "image-1";
			reg = <0x00022000 0x1a000>;
		};
		scratch_partition: partition@3c000 {
			label = "image-scratch";
			reg = <0x0003c000 0x2000>;
		};
		storage_partition: partition@3e000 {
			label = "storage";
			reg = <0x0003e000 0x00002000>;
		};
	};
};