1/*
2 * Copyright 2024 NXP
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7#include <zephyr/dt-bindings/adc/adc.h>
8#include <zephyr/dt-bindings/adc/mcux-lpadc.h>
9
10/ {
11	zephyr,user {
12		/* adjust channel number according to pinmux in board.dts */
13		io-channels = <&lpadc0 0>, <&lpadc0 1>;
14	};
15};
16
17&lpadc0 {
18	#address-cells = <1>;
19	#size-cells = <0>;
20
21	/*
22	 * To use this sample:
23	 * LPADC0 CH1A and CH1B are set up in differential mode (B-A)
24	 * - Connect LPADC0 CH1A signal to voltage between 0~1.8V (J4 pin 4)
25	 * - Connect LPADC0 CH1B signal to voltage between 0~1.8V (J8 pin 11)
26	 * LPADC0 CH2A is set up in single ended mode
27	 * - Connect LPADC0 CH2A signal to voltage between 0~1.8V (J8 pin 12)
28	 */
29
30	channel@0 {
31		reg = <0>;
32		zephyr,gain = "ADC_GAIN_1";
33		zephyr,reference = "ADC_REF_EXTERNAL1";
34		zephyr,vref-mv = <1800>;
35		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
36		zephyr,resolution = <13>;
37		zephyr,input-positive = <MCUX_LPADC_CH1B>;
38		zephyr,input-negative = <MCUX_LPADC_CH1A>;
39	};
40
41	channel@1 {
42		reg = <1>;
43		zephyr,gain = "ADC_GAIN_1";
44		zephyr,reference = "ADC_REF_EXTERNAL1";
45		zephyr,vref-mv = <1800>;
46		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
47		zephyr,resolution = <12>;
48		zephyr,input-positive = <MCUX_LPADC_CH2A>;
49	};
50};
51