| /* |
| * 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 = <0x00000000 0x00010000>; |
| read-only; |
| }; |
| |
| code_partition: partition@10000 { |
| label = "code"; |
| reg = <0x00010000 0x000e8000>; |
| read-only; |
| }; |
| |
| /* |
| * The flash starting at 0x000f8000 and ending at |
| * 0x000fffff is reserved for use by the application. |
| * |
| * Storage partition will be used by FCB/LittleFS/NVS |
| * if enabled. |
| */ |
| storage_partition: partition@f8000 { |
| label = "storage"; |
| reg = <0x000f8000 0x00008000>; |
| }; |
| }; |
| }; |
| |
| /* |
| * 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"; |
| }; |
| zephyr_udc0: &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"; |
| }; |