boards/nordic/nrf52dk/nrf52dk_nrf52832.dts

/*
 * Copyright (c) 2017 Shawn Nock <shawn@monadnock.ca>
 * Copyright (c) 2017 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <nordic/nrf52832_qfaa.dtsi>
#include "nrf52dk_nrf52832-pinctrl.dtsi"
#include <zephyr/dt-bindings/gpio/arduino-header-r3.h>
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "Nordic nRF52 DK NRF52832";
	compatible = "nordic,nrf52-dk-nrf52832";

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

	leds {
		compatible = "gpio-leds";

		led0: led_0 {
			gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
			label = "Green LED 0";
		};

		led1: led_1 {
			gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
			label = "Green LED 1";
		};

		led2: led_2 {
			gpios = <&gpio0 19 GPIO_ACTIVE_LOW>;
			label = "Green LED 2";
		};

		led3: led_3 {
			gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
			label = "Green LED 3";
		};
	};

	pwmleds {
		compatible = "pwm-leds";

		pwm_led0: pwm_led_0 {
			pwms = <&pwm0 0 PWM_MSEC(20) PWM_POLARITY_INVERTED>;
		};
	};

	buttons {
		compatible = "gpio-keys";

		button0: button_0 {
			gpios = <&gpio0 13 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
			label = "Push button switch 0";
			zephyr,code = <INPUT_KEY_0>;
		};

		button1: button_1 {
			gpios = <&gpio0 14 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
			label = "Push button switch 1";
			zephyr,code = <INPUT_KEY_1>;
		};

		button2: button_2 {
			gpios = <&gpio0 15 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
			label = "Push button switch 2";
			zephyr,code = <INPUT_KEY_2>;
		};

		button3: button_3 {
			gpios = <&gpio0 16 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
			label = "Push button switch 3";
			zephyr,code = <INPUT_KEY_3>;
		};
	};

	arduino_header: connector {
		compatible = "arduino-header-r3";
		#gpio-cells = <2>;
		gpio-map-mask = <0xffffffff 0xffffffc0>;
		gpio-map-pass-thru = <0 0x3f>;
		gpio-map = <ARDUINO_HEADER_R3_A0 0 &gpio0 3 0>,
			   <ARDUINO_HEADER_R3_A1 0 &gpio0 4 0>,
			   <ARDUINO_HEADER_R3_A2 0 &gpio0 28 0>,
			   <ARDUINO_HEADER_R3_A3 0 &gpio0 29 0>,
			   <ARDUINO_HEADER_R3_A4 0 &gpio0 30 0>,
			   <ARDUINO_HEADER_R3_A5 0 &gpio0 31 0>,
			   <ARDUINO_HEADER_R3_D0 0 &gpio0 11 0>,
			   <ARDUINO_HEADER_R3_D1 0 &gpio0 12 0>,
			   <ARDUINO_HEADER_R3_D2 0 &gpio0 13 0>,
			   <ARDUINO_HEADER_R3_D3 0 &gpio0 14 0>,
			   <ARDUINO_HEADER_R3_D4 0 &gpio0 15 0>,
			   <ARDUINO_HEADER_R3_D5 0 &gpio0 16 0>,
			   <ARDUINO_HEADER_R3_D6 0 &gpio0 17 0>,
			   <ARDUINO_HEADER_R3_D7 0 &gpio0 18 0>,
			   <ARDUINO_HEADER_R3_D8 0 &gpio0 19 0>,
			   <ARDUINO_HEADER_R3_D9 0 &gpio0 20 0>,
			   <ARDUINO_HEADER_R3_D10 0 &gpio0 22 0>,
			   <ARDUINO_HEADER_R3_D11 0 &gpio0 23 0>,
			   <ARDUINO_HEADER_R3_D12 0 &gpio0 24 0>,
			   <ARDUINO_HEADER_R3_D13 0 &gpio0 25 0>,
			   <ARDUINO_HEADER_R3_D14 0 &gpio0 26 0>,
			   <ARDUINO_HEADER_R3_D15 0 &gpio0 27 0>;
	};

	arduino_adc: analog-connector {
		compatible = "arduino,uno-adc";
		#io-channel-cells = <1>;
		io-channel-map = <0 &adc 1>,	/* A0 = P0.3 = AIN1 */
				 <1 &adc 2>,	/* A1 = P0.4 = AIN2 */
				 <2 &adc 4>,	/* A2 = P0.28 = AIN4 */
				 <3 &adc 5>,	/* A3 = P0.29 = AIN5 */
				 <4 &adc 6>,	/* A4 = P0.30 = AIN6 */
				 <5 &adc 7>;	/* A5 = P0.31 = AIN7 */
	};

	/* These aliases are provided for compatibility with samples */
	aliases {
		led0 = &led0;
		led1 = &led1;
		led2 = &led2;
		led3 = &led3;
		pwm-led0 = &pwm_led0;
		sw0 = &button0;
		sw1 = &button1;
		sw2 = &button2;
		sw3 = &button3;
		mcuboot-button0 = &button0;
		mcuboot-led0 = &led0;
		watchdog0 = &wdt0;
	};
};

&reg {
	regulator-initial-mode = <NRF5X_REG_MODE_DCDC>;
};

&adc {
	status = "okay";
};

&uicr {
	gpio-as-nreset;
};

&nfct {
	status = "okay";
};

&gpiote {
	status = "okay";
};

&gpio0 {
	status = "okay";
};

arduino_serial: &uart0 {
	status = "okay";
	compatible = "nordic,nrf-uarte";
	current-speed = <115200>;
	pinctrl-0 = <&uart0_default>;
	pinctrl-1 = <&uart0_sleep>;
	pinctrl-names = "default", "sleep";
};

arduino_i2c: &i2c0 {
	compatible = "nordic,nrf-twi";
	status = "okay";
	pinctrl-0 = <&i2c0_default>;
	pinctrl-1 = <&i2c0_sleep>;
	pinctrl-names = "default", "sleep";
};

&i2c1 {
	compatible = "nordic,nrf-twi";
	/* Cannot be used together with spi1. */
	/* status = "okay"; */
	pinctrl-0 = <&i2c1_default>;
	pinctrl-1 = <&i2c1_sleep>;
	pinctrl-names = "default", "sleep";
};

&pwm0 {
	status = "okay";
	pinctrl-0 = <&pwm0_default>;
	pinctrl-1 = <&pwm0_sleep>;
	pinctrl-names = "default", "sleep";
};

&spi0 {
	compatible = "nordic,nrf-spi";
	/* Cannot be used together with i2c0. */
	/* status = "okay"; */
	pinctrl-0 = <&spi0_default>;
	pinctrl-1 = <&spi0_sleep>;
	pinctrl-names = "default", "sleep";
};

&spi1 {
	compatible = "nordic,nrf-spi";
	status = "okay";
	pinctrl-0 = <&spi1_default>;
	pinctrl-1 = <&spi1_sleep>;
	pinctrl-names = "default", "sleep";
};

arduino_spi: &spi2 {
	compatible = "nordic,nrf-spi";
	status = "okay";
	cs-gpios = <&arduino_header 16 GPIO_ACTIVE_LOW>; /* D10 */
	pinctrl-0 = <&spi2_default>;
	pinctrl-1 = <&spi2_sleep>;
	pinctrl-names = "default", "sleep";
};

&flash0 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 0xc000>;
		};

		slot0_partition: partition@c000 {
			label = "image-0";
			reg = <0x0000C000 0x37000>;
		};

		slot1_partition: partition@43000 {
			label = "image-1";
			reg = <0x00043000 0x37000>;
		};

		storage_partition: partition@7a000 {
			label = "storage";
			reg = <0x0007a000 0x00006000>;
		};
	};
};