/* SPDX-License-Identifier: GPL-2.0 */ /* * AD7746 capacitive sensor driver supporting AD7745, AD7746 and AD7747 * * Copyright 2011 Analog Devices Inc. */ #ifndef IIO_CDC_AD7746_H_ #define IIO_CDC_AD7746_H_ /* * TODO: struct ad7746_platform_data needs to go into include/linux/iio */ #define AD7466_EXCLVL_0 0 /* +-VDD/8 */ #define AD7466_EXCLVL_1 1 /* +-VDD/4 */ #define AD7466_EXCLVL_2 2 /* +-VDD * 3/8 */ #define AD7466_EXCLVL_3 3 /* +-VDD/2 */ struct ad7746_platform_data { unsigned char exclvl; /*Excitation Voltage Level */ bool exca_en; /* enables EXCA pin as the excitation output */ bool exca_inv_en; /* enables /EXCA pin as the excitation output */ bool excb_en; /* enables EXCB pin as the excitation output */ bool excb_inv_en; /* enables /EXCB pin as the excitation output */ }; #endif /* IIO_CDC_AD7746_H_ */