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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | /* * Copyright (c) 2020 Jefferson Lee * * SPDX-License-Identifier: Apache-2.0 */ /dts-v1/; #include <nordic/nrf52840_qiaa.dtsi> / { model = "Arduino Nano 33 BLE (Sense)"; compatible = "arduino,arduino_nano_33_ble"; 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 = &code_partition; }; leds { compatible = "gpio-leds"; led0: led_0 { gpios = <&gpio0 24 0>; label = "Red LED"; }; }; /* These aliases are provided for compatibility with samples */ aliases { led0 = &led0; spi = &spi2; }; }; &flash0 { partitions { compatible = "fixed-partitions"; #address-cells = <1>; #size-cells = <1>; code_partition: partition@10000 { label = "code"; reg = <0x10000 0xf0000>; read-only; }; }; }; /* * guide specifying pin numbers: https://docs.zephyrproject.org/latest/boards/arm/nrf52840dk_nrf52840/doc/index.html * Given Pin PB.A: * pin_no = B*32 + A * ex. P1.0 => 32 */ &adc { status = "okay"; }; &uart0 { compatible = "nordic,nrf-uart"; current-speed = <115200>; status = "okay"; tx-pin = <35>; //P1.03 rx-pin = <42>; //P1.10 }; &i2c0 { compatible = "nordic,nrf-twim"; status = "okay"; sda-pin = <31>; //P0.31 scl-pin = <2>; //P0.02 }; &i2c1 { compatible = "nordic,nrf-twim"; status = "okay"; sda-pin = <14>; //P0.14 scl-pin = <15>; //P0.15 }; // we use SPI2 because SPI1/0 shares conflicts with I2C1/0 &spi2 { compatible = "nordic,nrf-spim"; status = "okay"; sck-pin = <13>; //P0.13 mosi-pin = <33>; //P1.01 miso-pin = <40>; //P1.08 }; &gpio0 { status = "okay"; }; &gpio1 { status = "okay"; }; &usbd { compatible = "nordic,nrf-usbd"; status = "okay"; }; // All PWM's should be enaled &pwm0 { status = "okay"; }; &pwm1 { status = "okay"; }; &pwm2 { status = "okay"; }; &pwm3 { status = "okay"; }; /* * NOTE: curiously, there is no PDM (microphone) interface in the * nordic DTSI file. * You'll need to use the nordic-specific PDM libraries. */ /* * the following sets up the peripherals according to this file: * https://github.com/arduino/ArduinoCore-nRF528x-mbedos/blob/19ddd214d255ca20b233eefa76662b360595c146/variants/ARDUINO_NANO33BLE/variant.cpp#L136 * The bootloader will conflict with RTC1 */ &rtc1 { status = "disabled"; }; |