1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * This header provides constants for configuring the I.MX25 ADC 4 */ 5 6 #ifndef _DT_BINDINGS_IIO_ADC_FS_IMX25_GCQ_H 7 #define _DT_BINDINGS_IIO_ADC_FS_IMX25_GCQ_H 8 9 #define MX25_ADC_REFP_YP 0 /* YP voltage reference */ 10 #define MX25_ADC_REFP_XP 1 /* XP voltage reference */ 11 #define MX25_ADC_REFP_EXT 2 /* External voltage reference */ 12 #define MX25_ADC_REFP_INT 3 /* Internal voltage reference */ 13 14 #define MX25_ADC_REFN_XN 0 /* XN ground reference */ 15 #define MX25_ADC_REFN_YN 1 /* YN ground reference */ 16 #define MX25_ADC_REFN_NGND 2 /* Internal ground reference */ 17 #define MX25_ADC_REFN_NGND2 3 /* External ground reference */ 18 19 #endif 20