zephyr/boards/particle/boron/particle_boron.dts

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/*
* Copyright (c) 2018 Peter Bigot Consulting, LLC
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>
#include <zephyr/dt-bindings/gpio/gpio.h>
#include "mesh_feather.dtsi"
#include "particle_boron-pinctrl.dtsi"
/ {
model = "Particle Boron";
compatible = "particle,boron", "particle,feather";
sky13351: sky13351 {
compatible = "skyworks,sky13351";
vctl1-gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
/* on Boron VCTL2 is inverted VCTL1 signal via SN74LVC1G04
* single inverter gate -- requires a definition below,
* but is not used in board.c */
vctl2-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
};
/* Power to the level shifter for uart1 */
en_buff_pwr: enable-buff-pwr {
compatible = "regulator-fixed";
regulator-name = "en_buff_pwr";
enable-gpios = <&gpio0 25 GPIO_ACTIVE_LOW>;
regulator-boot-on;
};
aliases {
watchdog0 = &wdt0;
};
};
&uicr {
gpio-as-nreset;
};
&i2c1 { /* power monitoring */
compatible = "nordic,nrf-twi";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
pinctrl-0 = <&i2c1_default>;
pinctrl-1 = <&i2c1_sleep>;
pinctrl-names = "default", "sleep";
};
&uart1 { /* u-blox SARA-U2 or SARA-R4 */
compatible = "nordic,nrf-uarte";
current-speed = <115200>;
status = "okay";
hw-flow-control;
pinctrl-0 = <&uart1_default>;
pinctrl-1 = <&uart1_sleep>;
pinctrl-names = "default", "sleep";
sara_r4 {
compatible = "u-blox,sara-r4";
status = "okay";
mdm-power-gpios = <&gpio0 16 0>;
mdm-reset-gpios = <&gpio0 12 0>;
mdm-vint-gpios = <&gpio0 2 0>;
};
};