171 lines
3.1 KiB
Text
171 lines
3.1 KiB
Text
/*
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* Copyright (c) 2021 The ZMK Contributors
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*
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* SPDX-License-Identifier: MIT
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*/
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/dts-v1/;
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#include <nordic/nrf52840_qiaa.dtsi>
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#include "feather_connector.dtsi"
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/ {
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model = "Adafruit Feather nRF52840 Express";
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compatible = "adafruit,feather-nrf52840";
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chosen {
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zephyr,code-partition = &code_partition;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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};
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leds {
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compatible = "gpio-leds";
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led0: led_0 {
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gpios = <&gpio1 15 0>;
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label = "D3 LED";
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};
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led1: led_1 {
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gpios = <&gpio1 10 0>;
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label = "CONN LED";
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};
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};
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vbatt {
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compatible = "zmk,battery-voltage-divider";
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label = "BATTERY";
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io-channels = <&adc 6>;
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// copy-pasted values because idk how to calculate them
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output-ohms = <2000000>;
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full-ohms = <(2000000 + 806000)>;
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};
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buttons {
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compatible = "gpio-keys";
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button0: button_0 {
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gpios = <&gpio1 2 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
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label = "User switch";
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};
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};
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/* These aliases are provided for compatibility with samples */
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aliases {
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led0 = &led0;
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led1 = &led1;
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sw0 = &button0;
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};
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};
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&adc {
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status = "okay";
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};
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&gpiote {
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status = "okay";
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};
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&gpio0 {
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status = "okay";
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};
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&gpio1 {
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status = "okay";
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};
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/* Free TX/RX pins from UART
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&uart0 {
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compatible = "nordic,nrf-uart";
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current-speed = <115200>;
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status = "okay";
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tx-pin = <25>;
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rx-pin = <24>;
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};
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*/
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/* Free SCL/SDA pins from I2C
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&i2c0 {
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compatible = "nordic,nrf-twi";
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status = "okay";
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sda-pin = <12>;
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scl-pin = <11>;
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};
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*/
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/* Free SCK, MO, and MI pins from SPI
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&spi1 {
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compatible = "nordic,nrf-spi";
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status = "okay";
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sck-pin = <14>;
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mosi-pin = <13>;
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miso-pin = <15>;
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};
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*/
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/* You also probably don't need the QSPI flash
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&qspi {
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status = "okay";
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sck-pin = <19>;
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io-pins = <17>, <22>, <23>, <21>;
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csn-pins = <20>;
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gd25q16: gd25q16@0 {
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// NOTE: Quad mode not supported as driver does not handle
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// QE bit setting in SR2. Ref. GD25Q16C, Rev 3.0, p. 12.
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compatible = "nordic,qspi-nor";
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reg = <0>;
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writeoc = "pp2o";
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readoc = "read2io";
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sck-frequency = <16000000>;
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label = "GD25Q16";
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jedec-id = [c8 40 15];
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size = <16777216>;
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has-dpd;
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t-enter-dpd = <20000>;
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t-exit-dpd = <20000>;
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};
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};
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*/
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&flash0 {
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/*
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* Basically the same as the Nice!Nano, the original .dts from Zephyr
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* doesn't support UF2.
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* For more information about the memory map, see:
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* https://learn.adafruit.com/introducing-the-adafruit-nrf52840-feather/hathach-memory-map
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*/
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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sd_partition: partition@0 {
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label = "softdevice";
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reg = <0x00000000 0x00026000>;
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};
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code_partition: partition@26000 {
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label = "code_partition";
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reg = <0x00026000 0x000c6000>;
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};
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/*
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* The flash starting at 0x000ec000 and ending at
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* 0x000f3fff is reserved for use by the application.
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*/
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/*
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* Storage partition will be used by FCB/LittleFS/NVS
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* if enabled.
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*/
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storage_partition: partition@ec000 {
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label = "storage";
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reg = <0x000ec000 0x00008000>;
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};
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boot_partition: partition@f4000 {
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label = "adafruit_boot";
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reg = <0x000f4000 0x0000c000>;
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};
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};
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};
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&usbd {
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status = "okay";
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};
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