1/* 2 * SPDX-License-Identifier: Apache-2.0 3 * 4 * Copyright (c) 2023 Benjamin Björnsson <benjamin.bjornsson@gmail.com> 5 */ 6 7#include <zephyr/dt-bindings/adc/mcux-lpadc.h> 8 9/ { 10 zephyr,user { 11 io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>; 12 }; 13}; 14 15&adc0 { 16 #address-cells = <1>; 17 #size-cells = <0>; 18 19 /* 20 * Channel 0 is used in single ended mode, with 12 bit resolution 21 * CH0A is routed to P19 pin 4 22 */ 23 channel@0 { 24 reg = <0>; 25 zephyr,gain = "ADC_GAIN_1"; 26 zephyr,reference = "ADC_REF_EXTERNAL0"; 27 zephyr,vref-mv = <3300>; 28 zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>; 29 zephyr,resolution = <13>; 30 zephyr,input-positive = <MCUX_LPADC_CH0A>; 31 }; 32 33 /* 34 * Channel 1 is used in single ended mode, with 16 bit resolution 35 * CH4A is routed to P17 pin 19 36 */ 37 channel@1 { 38 reg = <1>; 39 zephyr,gain = "ADC_GAIN_1"; 40 zephyr,reference = "ADC_REF_EXTERNAL0"; 41 zephyr,vref-mv = <3300>; 42 zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>; 43 zephyr,resolution = <16>; 44 zephyr,input-positive = <MCUX_LPADC_CH4A>; 45 }; 46 47 /* 48 * Channel 2 is used in single ended mode, with 12 bit resolution 49 * CH4B is routed to P18 pin 1 50 */ 51 channel@2 { 52 reg = <2>; 53 zephyr,gain = "ADC_GAIN_1"; 54 zephyr,reference = "ADC_REF_EXTERNAL0"; 55 zephyr,vref-mv = <3300>; 56 zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>; 57 zephyr,resolution = <12>; 58 zephyr,input-positive = <MCUX_LPADC_CH4B>; 59 }; 60}; 61