1/* 2 * Copyright (c) 2022 Embla Flatlandsmo <embla.flatlandsmo@gmail.com> 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7/dts-v1/; 8#include <nordic/nrf52840_qiaa.dtsi> 9#include <nordic/nrf52840_partition_uf2_sdv6.dtsi> 10#include "adafruit_itsybitsy_nrf52840-pinctrl.dtsi" 11#include <zephyr/dt-bindings/input/input-event-codes.h> 12#include <zephyr/dt-bindings/led/led.h> 13 14/ { 15 model = "Adafruit ItsyBitsy nRF52840 Express"; 16 compatible = "adafruit,itsybitsy-nrf52840"; 17 18 chosen { 19 zephyr,ieee802154 = &ieee802154; 20 }; 21 22 leds { 23 compatible = "gpio-leds"; 24 led0: led_0 { 25 gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>; 26 label = "Red LED"; 27 }; 28 }; 29 30 buttons { 31 compatible = "gpio-keys"; 32 button0: button_0 { 33 gpios = <&gpio0 29 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>; 34 label = "Push button switch"; 35 zephyr,code = <INPUT_KEY_0>; 36 }; 37 }; 38 39 /* These aliases are provided for compatibility with samples */ 40 aliases { 41 led0 = &led0; 42 sw0 = &button0; 43 watchdog0 = &wdt0; 44 led-strip = &apa102; 45 }; 46}; 47 48®1 { 49 regulator-initial-mode = <NRF5X_REG_MODE_DCDC>; 50}; 51 52&adc { 53 status = "okay"; 54}; 55 56&uicr { 57 gpio-as-nreset; 58}; 59 60&gpiote { 61 status = "okay"; 62}; 63 64&gpio0 { 65 status = "okay"; 66}; 67 68&gpio1 { 69 status = "okay"; 70}; 71 72&uart0 { 73 compatible = "nordic,nrf-uarte"; 74 current-speed = <115200>; 75 status = "disabled"; 76 pinctrl-0 = <&uart0_default>; 77 pinctrl-1 = <&uart0_sleep>; 78 pinctrl-names = "default", "sleep"; 79}; 80 81&i2c0 { 82 compatible = "nordic,nrf-twi"; 83 status = "okay"; 84 pinctrl-0 = <&i2c0_default>; 85 pinctrl-1 = <&i2c0_sleep>; 86 pinctrl-names = "default", "sleep"; 87}; 88 89&spi1 { 90 compatible = "nordic,nrf-spi"; 91 status = "okay"; 92 pinctrl-0 = <&spi1_default>; 93 pinctrl-1 = <&spi1_sleep>; 94 pinctrl-names = "default", "sleep"; 95}; 96 97&spi2 { 98 compatible = "nordic,nrf-spi"; 99 status = "okay"; 100 pinctrl-0 = <&spi2_default>; 101 pinctrl-1 = <&spi2_sleep>; 102 pinctrl-names = "default", "sleep"; 103 apa102: apa102@0 { 104 compatible = "apa,apa102"; 105 reg = <0>; 106 spi-max-frequency = <5250000>; 107 chain-length = <1>; 108 color-mapping = <LED_COLOR_ID_BLUE 109 LED_COLOR_ID_GREEN 110 LED_COLOR_ID_RED>; 111 }; 112}; 113 114&qspi { 115 status = "okay"; 116 pinctrl-0 = <&qspi_default>; 117 pinctrl-1 = <&qspi_sleep>; 118 pinctrl-names = "default", "sleep"; 119 gd25q16: gd25q16@0 { 120 compatible = "nordic,qspi-nor"; 121 reg = <0>; 122 writeoc = "pp4o"; 123 readoc = "read4io"; 124 sck-frequency = <32000000>; 125 jedec-id = [c8 40 15]; 126 size = <16777216>; 127 has-dpd; 128 t-enter-dpd = <20000>; 129 t-exit-dpd = <20000>; 130 quad-enable-requirements = "S2B1v1"; 131 }; 132}; 133 134&ieee802154 { 135 status = "okay"; 136}; 137 138&gd25q16 { 139 partitions { 140 compatible = "fixed-partitions"; 141 #address-cells = <1>; 142 #size-cells = <1>; 143 lfs_partition: partition@0 { 144 label = "lfs_storage"; 145 reg = <0x00000000 DT_SIZE_M(2)>; 146 }; 147 }; 148}; 149 150zephyr_udc0: &usbd { 151 compatible = "nordic,nrf-usbd"; 152 status = "okay"; 153}; 154 155#include <../boards/common/usb/cdc_acm_serial.dtsi> 156