1/* 2 * Copyright (c) 2024 Centro de Inovacao EDGE 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7#include <zephyr/dt-bindings/adc/mcux-lpadc.h> 8 9/ { 10 aliases { 11 adc0 = &lpadc0; 12 }; 13}; 14 15&lpadc0 { 16 #address-cells = <1>; 17 #size-cells = <0>; 18 19 /* 20 * To use this sample: 21 * LPADC0 CH0A and CH0B are set up in differential mode (B-A) 22 * - Connect LPADC0 CH0A signal to voltage between 0~1.8V (J30 pin 1) 23 * - Connect LPADC0 CH0B signal to voltage between 0~1.8V (J30 pin 2) 24 * LPADC0 CH2A is set up in single ended mode 25 * - Connect LPADC0 CH2A signal to voltage between 0~1.8V (J30 pin 3) 26 */ 27 28 channel@0 { 29 reg = <0>; 30 zephyr,gain = "ADC_GAIN_1"; 31 zephyr,reference = "ADC_REF_EXTERNAL0"; 32 zephyr,vref-mv = <1800>; 33 zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>; 34 zephyr,input-positive = <MCUX_LPADC_CH0B>; 35 zephyr,input-negative = <MCUX_LPADC_CH0A>; 36 }; 37 38 channel@1 { 39 reg = <1>; 40 zephyr,gain = "ADC_GAIN_1"; 41 zephyr,reference = "ADC_REF_EXTERNAL0"; 42 zephyr,vref-mv = <1800>; 43 zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>; 44 zephyr,input-positive = <MCUX_LPADC_CH2A>; 45 }; 46}; 47