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