1/* 2 * SPDX-License-Identifier: Apache-2.0 3 * 4 * Copyright (c) Benjamin Björnsson <benjamin.bjornsson@gmail.com> 5 */ 6 7/ { 8 zephyr,user { 9 /* adjust channel number according to pinmux in board.dts */ 10 io-channels = <&adc4 7>, <&adc4 8>; 11 }; 12}; 13 14&adc4 { 15 dmas = <&gpdma1 0 0 (STM32_DMA_PERIPH_RX | STM32_DMA_MEM_16BITS | STM32_DMA_PERIPH_16BITS)>; 16 dma-names = "gpdma"; 17 18 pinctrl-0 = <&adc4_in7_pa2 &adc4_in8_pa1>; 19 #address-cells = <1>; 20 #size-cells = <0>; 21 22 channel@7 { 23 reg = <7>; 24 zephyr,gain = "ADC_GAIN_1"; 25 zephyr,reference = "ADC_REF_INTERNAL"; 26 zephyr,acquisition-time = <ADC_ACQ_TIME_MAX>; 27 zephyr,resolution = <12>; 28 }; 29 30 channel@8 { 31 reg = <8>; 32 zephyr,gain = "ADC_GAIN_1"; 33 zephyr,reference = "ADC_REF_INTERNAL"; 34 /* Use a different acquisition time for test purposes */ 35 zephyr,acquisition-time = <ADC_ACQ_TIME(ADC_ACQ_TIME_TICKS, 80)>; 36 zephyr,resolution = <12>; 37 }; 38}; 39 40&gpdma1 { 41 status = "okay"; 42}; 43