/
nrf21540dk_nrf52840.dts
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nrf21540dk_nrf52840.dts
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/*
* Copyright (c) 2020 Nordic Semiconductor ASA
* Copyright (c) 2017 Linaro Limited
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>
#include "nrf21540dk_nrf52840-pinctrl.dtsi"
/ {
model = "Nordic nRF21540 DK NRF52840";
compatible = "nordic,nrf21540-dk-nrf52840";
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 = &slot0_partition;
zephyr,ieee802154 = &ieee802154;
};
leds {
compatible = "gpio-leds";
led0: led_0 {
gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
label = "Green LED 0";
};
led1: led_1 {
gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
label = "Green LED 1";
};
led2: led_2 {
gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
label = "Green LED 2";
};
led3: led_3 {
gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
label = "Green LED 3";
};
};
pwmleds {
compatible = "pwm-leds";
pwm_led0: pwm_led_0 {
pwms = <&pwm0 0 PWM_MSEC(20) PWM_POLARITY_INVERTED>;
};
};
buttons {
compatible = "gpio-keys";
button0: button_0 {
gpios = <&gpio0 11 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 0";
};
button1: button_1 {
gpios = <&gpio0 12 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 1";
};
button2: button_2 {
gpios = <&gpio0 24 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 2";
};
button3: button_3 {
gpios = <&gpio0 25 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
label = "Push button switch 3";
};
};
arduino_header: connector {
compatible = "arduino-header-r3";
#gpio-cells = <2>;
gpio-map-mask = <0xffffffff 0xffffffc0>;
gpio-map-pass-thru = <0 0x3f>;
gpio-map = <0 0 &gpio0 3 0>, /* A0 */
<1 0 &gpio0 4 0>, /* A1 */
<2 0 &gpio0 28 0>, /* A2 */
<3 0 &gpio0 29 0>, /* A3 */
<4 0 &gpio0 30 0>, /* A4 */
<5 0 &gpio0 31 0>, /* A5 */
<6 0 &gpio1 1 0>, /* D0 */
<7 0 &gpio1 2 0>, /* D1 */
<8 0 &gpio1 3 0>, /* D2 */
<9 0 &gpio1 4 0>, /* D3 */
<10 0 &gpio1 5 0>, /* D4 */
<11 0 &gpio1 6 0>, /* D5 */
<12 0 &gpio1 7 0>, /* D6 */
<13 0 &gpio1 8 0>, /* D7 */
<14 0 &gpio1 10 0>, /* D8 */
<15 0 &gpio1 11 0>, /* D9 */
<16 0 &gpio1 12 0>, /* D10 */
<17 0 &gpio1 13 0>, /* D11 */
<18 0 &gpio1 14 0>, /* D12 */
<19 0 &gpio1 15 0>, /* D13 */
<20 0 &gpio0 26 0>, /* D14 */
<21 0 &gpio0 27 0>; /* D15 */
};
arduino_adc: analog-connector {
compatible = "arduino,uno-adc";
#io-channel-cells = <1>;
io-channel-map = <0 &adc 1>, /* A0 = P0.3 = AIN1 */
<1 &adc 2>, /* A1 = P0.4 = AIN2 */
<2 &adc 4>, /* A2 = P0.28 = AIN4 */
<3 &adc 5>, /* A3 = P0.29 = AIN5 */
<4 &adc 6>, /* A4 = P0.30 = AIN6 */
<5 &adc 7>; /* A5 = P0.31 = AIN7 */
};
nrf_radio_fem: nrf21540_fem {
compatible = "nordic,nrf21540-fem";
tx-en-gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>;
rx-en-gpios = <&gpio0 19 GPIO_ACTIVE_HIGH>;
pdn-gpios = <&gpio0 23 GPIO_ACTIVE_HIGH>;
ant-sel-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
mode-gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
spi-if = <&nrf_radio_fem_spi>;
supply-voltage-mv = <3000>;
};
/* These aliases are provided for compatibility with samples */
aliases {
led0 = &led0;
led1 = &led1;
led2 = &led2;
led3 = &led3;
pwm-led0 = &pwm_led0;
sw0 = &button0;
sw1 = &button1;
sw2 = &button2;
sw3 = &button3;
bootloader-led0 = &led0;
mcuboot-button0 = &button0;
mcuboot-led0 = &led0;
watchdog0 = &wdt0;
};
};
&adc {
status = "okay";
};
&gpiote {
status = "okay";
};
&gpio0 {
status = "okay";
};
&gpio1 {
status = "okay";
};
&uart0 {
compatible = "nordic,nrf-uarte";
status = "okay";
current-speed = <115200>;
pinctrl-0 = <&uart0_default>;
pinctrl-1 = <&uart0_sleep>;
pinctrl-names = "default", "sleep";
};
arduino_serial: &uart1 {
status = "okay";
current-speed = <115200>;
pinctrl-0 = <&uart1_default>;
pinctrl-1 = <&uart1_sleep>;
pinctrl-names = "default", "sleep";
};
arduino_i2c: &i2c0 {
compatible = "nordic,nrf-twi";
status = "okay";
pinctrl-0 = <&i2c0_default>;
pinctrl-1 = <&i2c0_sleep>;
pinctrl-names = "default", "sleep";
};
&i2c1 {
compatible = "nordic,nrf-twi";
/* Cannot be used together with spi1. */
/* status = "okay"; */
pinctrl-0 = <&i2c1_default>;
pinctrl-1 = <&i2c1_sleep>;
pinctrl-names = "default", "sleep";
};
&pwm0 {
status = "okay";
pinctrl-0 = <&pwm0_default>;
pinctrl-1 = <&pwm0_sleep>;
pinctrl-names = "default", "sleep";
};
&spi0 {
compatible = "nordic,nrf-spi";
/* Cannot be used together with i2c0. */
/* status = "okay"; */
pinctrl-0 = <&spi0_default>;
pinctrl-1 = <&spi0_sleep>;
pinctrl-names = "default", "sleep";
};
&spi1 {
compatible = "nordic,nrf-spi";
status = "okay";
pinctrl-0 = <&spi1_default>;
pinctrl-1 = <&spi1_sleep>;
pinctrl-names = "default", "sleep";
};
&spi2 {
compatible = "nordic,nrf-spi";
status = "disabled";
pinctrl-0 = <&spi2_default>;
pinctrl-1 = <&spi2_sleep>;
pinctrl-names = "default", "sleep";
};
fem_spi: &spi3 {
status = "okay";
cs-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;
pinctrl-0 = <&spi3_default>;
pinctrl-1 = <&spi3_sleep>;
pinctrl-names = "default", "sleep";
nrf_radio_fem_spi: nrf21540_fem_spi@0 {
compatible = "nordic,nrf21540-fem-spi";
status = "okay";
reg = <0>;
spi-max-frequency = <8000000>;
};
};
&radio {
fem = <&nrf_radio_fem>;
};
&ieee802154 {
status = "okay";
};
&flash0 {
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
boot_partition: partition@0 {
label = "mcuboot";
reg = <0x00000000 0x0000C000>;
};
slot0_partition: partition@c000 {
label = "image-0";
reg = <0x0000C000 0x00067000>;
};
slot1_partition: partition@73000 {
label = "image-1";
reg = <0x00073000 0x00067000>;
};
scratch_partition: partition@da000 {
label = "image-scratch";
reg = <0x000da000 0x0001e000>;
};
/*
* 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>;
};
};
};
zephyr_udc0: &usbd {
compatible = "nordic,nrf-usbd";
status = "okay";
};