From: Ana-Maria Cusco <ana-maria.cusco@xxxxxxxxxx> Add defines to improve readability of AD4170 device tree nodes. Signed-off-by: Ana-Maria Cusco <ana-maria.cusco@xxxxxxxxxx> Co-developed-by: Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx> Signed-off-by: Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx> --- include/dt-bindings/iio/adc/adi,ad4170.h | 96 ++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 include/dt-bindings/iio/adc/adi,ad4170.h diff --git a/include/dt-bindings/iio/adc/adi,ad4170.h b/include/dt-bindings/iio/adc/adi,ad4170.h new file mode 100644 index 000000000000..a508b37e9a46 --- /dev/null +++ b/include/dt-bindings/iio/adc/adi,ad4170.h @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * AD4170 ADC + * + * Copyright 2024 Analog Devices Inc. + * + * Licensed under the GPL-2. + */ + +#ifndef _DT_BINDINGS_IIO_ADC_AD4170_H_ +#define _DT_BINDINGS_IIO_ADC_AD4170_H_ + +/* + * Excitation Current Chopping Control. + * Use for adi,chop-iexc + */ +#define AD4170_MISC_CHOP_IEXC_OFF 0 +/* Chopping of Iout_A and Iout_B Excitation Currents. */ +#define AD4170_MISC_CHOP_IEXC_AB 1 +/* Chopping of Iout_C and Iout_D Excitation Currents. */ +#define AD4170_MISC_CHOP_IEXC_CD 2 +/* Chopping of Both Pairs of Excitation Currents. */ +#define AD4170_MISC_CHOP_IEXC_ABCD 3 + +/* + * Chopping + * Use for adi,chop-adc + */ +/* No Chopping. */ +#define AD4170_MISC_CHOP_ADC_OFF 0 +/* Chops Internal Mux. */ +#define AD4170_MISC_CHOP_ADC_MUX 1 +/* Chops AC Excitation Using 4 GPIO Pins. */ +#define AD4170_MISC_CHOP_ADC_ACX_4PIN 2 +/* Chops AC Excitation Using 2 GPIO Pins. */ +#define AD4170_MISC_CHOP_ADC_ACX_2PIN 3 + +/* + * Reference Selection Mode + * Use for adi,reference-select + */ +#define AD4170_AFE_REFIN_REFIN1 0 +#define AD4170_AFE_REFIN_REFIN2 1 +#define AD4170_AFE_REFIN_REFOUT 2 +#define AD4170_AFE_REFIN_AVDD 3 + +/* + * Definitios for describing channel selections + * Use for adi,channel-map + */ +#define AD4170_MAP_AIN0 0 +#define AD4170_MAP_AIN1 1 +#define AD4170_MAP_AIN2 2 +#define AD4170_MAP_AIN3 3 +#define AD4170_MAP_AIN4 4 +#define AD4170_MAP_AIN5 5 +#define AD4170_MAP_AIN6 6 +#define AD4170_MAP_AIN7 7 +#define AD4170_MAP_AIN8 8 +#define AD4170_MAP_TEMP_SENSOR_P 17 +#define AD4170_MAP_TEMP_SENSOR_N 17 +#define AD4170_MAP_AVDD_AVSS_P 18 +#define AD4170_MAP_AVDD_AVSS_N 18 +#define AD4170_MAP_IOVDD_DGND_P 19 +#define AD4170_MAP_IOVDD_DGND_N 19 +#define AD4170_MAP_DAC_P 20 +#define AD4170_MAP_DAC_N 20 +#define AD4170_MAP_ALDO 21 +#define AD4170_MAP_DLDO 22 +#define AD4170_MAP_AVSS 23 +#define AD4170_MAP_DGND 24 +#define AD4170_MAP_REFIN1_P 25 +#define AD4170_MAP_REFIN1_N 26 +#define AD4170_MAP_REFIN2_P 27 +#define AD4170_MAP_REFIN2_N 28 +#define AD4170_MAP_REFOUT 29 + +/* + * Definitios for describing excitation current output pin selections + * Use for adi,excitation-pin-0/1/2/3 + */ +#define AD4170_CURRENT_IOUT_AIN0 0 +#define AD4170_CURRENT_IOUT_AIN1 1 +#define AD4170_CURRENT_IOUT_AIN2 2 +#define AD4170_CURRENT_IOUT_AIN3 3 +#define AD4170_CURRENT_IOUT_AIN4 4 +#define AD4170_CURRENT_IOUT_AIN5 5 +#define AD4170_CURRENT_IOUT_AIN6 6 +#define AD4170_CURRENT_IOUT_AIN7 7 +#define AD4170_CURRENT_IOUT_AIN8 8 +#define AD4170_CURRENT_IOUT_GPIO0 17 +#define AD4170_CURRENT_IOUT_GPIO1 18 +#define AD4170_CURRENT_IOUT_GPIO2 19 +#define AD4170_CURRENT_IOUT_GPIO3 20 + +#endif /* _DT_BINDINGS_IIO_ADC_AD4170_H_ */ -- 2.45.2
