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+/* 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_ */