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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | /* * 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>; boot_partition: partition@0 { label = "sam-ba"; reg = <0x0 0x10000>; read-only; }; 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"; }; |