boards/arm/adafruit_itsybitsy_nrf52840/adafruit_itsybitsy_nrf52840.dts

/*
 * Copyright (c) 2022 Embla Flatlandsmo <embla.flatlandsmo@gmail.com>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>
#include "adafruit_itsybitsy_nrf52840-pinctrl.dtsi"

/ {
	model = "Adafruit ItsyBitsy nRF52840 Express";
	compatible = "adafruit,itsybitsy-nrf52840";

	chosen {
		zephyr,console = &cdc_acm_uart0;
		zephyr,shell-uart = &cdc_acm_uart0;
		zephyr,uart-mcumgr = &cdc_acm_uart0;
		zephyr,bt-mon-uart = &cdc_acm_uart0;
		zephyr,bt-c2h-uart = &cdc_acm_uart0;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,code-partition = &code_partition;
	};

	leds {
		compatible = "gpio-leds";
		led0: led_0 {
			gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
			label = "Red LED";
		};
	};

	buttons {
		compatible = "gpio-keys";
		button0: button_0 {
			gpios = <&gpio0 29 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
			label = "Push button switch";
		};
	};

	/* These aliases are provided for compatibility with samples */
	aliases {
		led0 = &led0;
		sw0 = &button0;
		watchdog0 = &wdt0;
		spi-flash0 = &gd25q16;
	};
};

&adc {
	status = "okay";
};

&gpiote {
	status = "okay";
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

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

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

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

&spi2 {
	compatible = "nordic,nrf-spi";
	status = "okay";
	pinctrl-0 = <&spi2_default>;
	pinctrl-1 = <&spi2_sleep>;
	pinctrl-names = "default", "sleep";
	apa102: apa102@0 {
		compatible = "apa,apa102";
		reg = <0>;
		spi-max-frequency = <5250000>;
	};
};

&qspi {
	status = "okay";
	pinctrl-0 = <&qspi_default>;
	pinctrl-1 = <&qspi_sleep>;
	pinctrl-names = "default", "sleep";
	gd25q16: gd25q16@0 {
		compatible = "nordic,qspi-nor";
		reg = <0>;
		writeoc = "pp4o";
		readoc = "read4io";
		sck-frequency = <32000000>;
		jedec-id = [c8 40 15];
		size = <16777216>;
		has-dpd;
		t-enter-dpd = <20000>;
		t-exit-dpd = <20000>;
		quad-enable-requirements = "S2B1v1";
	};
};

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

		/* To enable flashing with UF2 bootloader, we
		 * must reserve a partition for SoftDevice.
		 * See https://learn.adafruit.com/introducing-the-adafruit-nrf52840-feather?view=all#hathach-memory-map
		 */
		reserved_partition_0: partition@0 {
			label = "SoftDevice";
			reg = <0x000000000 DT_SIZE_K(152)>;
		};
		code_partition: partition@26000 {
			label = "Application";
			reg = <0x00026000 DT_SIZE_K(796)>;
		};

		/*
		 * The flash starting at 0x000ed000 and ending at
		 * 0x000f4000 is reserved for use by the application.
		 */
		storage_partition: partition@ed000 {
			label = "storage";
			reg = <0x0000ed000 DT_SIZE_K(28)>;
		};

		boot_partition: partition@f4000 {
			label = "UF2";
			reg = <0x000f4000 DT_SIZE_K(48)>;
		};
	};
};

&gd25q16 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;
		lfs_partition: partition@0 {
			label = "lfs_storage";
			reg = <0x00000000 DT_SIZE_M(2)>;
		};
	};
};

zephyr_udc0: &usbd {
	compatible = "nordic,nrf-usbd";
	status = "okay";

	cdc_acm_uart0: cdc_acm_uart0 {
		compatible = "zephyr,cdc-acm-uart";
	};
};