blob: 1802e878e99f589c672ed625ee032d6df9a3dfbf [file] [log] [blame]
/*
* SPDX-License-Identifier: Apache-2.0
*
* Copyright (c) 2020 Linaro Limited
*/
#include <zephyr/dt-bindings/adc/adc.h>
/ {
zephyr,user {
/* adjust channel number according to pinmux in board.dts */
io-channels = <&lpadc0 0>, <&lpadc0 8>;
};
};
&lpadc0 {
#address-cells = <1>;
#size-cells = <0>;
/*
* To use this sample:
* - Connect VREF_L to GND, and VREF_H to 1.8V (connect JP9 and JP10).
* - Connect LPADC0 CH0A signal to voltage between 0~1.8V (J30 pin 1)
* - Connect LPADC0 CH0B signal to voltage between 0~1.8V (J30 pin 2)
*/
channel@0 {
reg = <0>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_EXTERNAL0";
zephyr,vref-mv = <1800>;
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>;
};
channel@8 {
reg = <8>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_EXTERNAL0";
zephyr,vref-mv = <1800>;
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>;
};
};