| /* |
| * 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 { |
| #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 CH0 signal to voltage between 0~1.8V (J30 pin 1) |
| */ |
| |
| 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>; |
| }; |
| }; |
