linux/platform_data/ad7266.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * AD7266/65 SPI ADC driver
0004  *
0005  * Copyright 2012 Analog Devices Inc.
0006  */
0007
0008 #ifndef __IIO_ADC_AD7266_H__
0009 #define __IIO_ADC_AD7266_H__
0010
0011 /**
0012  * enum ad7266_range - AD7266 reference voltage range
0013  * @AD7266_RANGE_VREF: Device is configured for input range 0V - VREF
0014  *          (RANGE pin set to low)
0015  * @AD7266_RANGE_2VREF: Device is configured for input range 0V - 2VREF
0016  *          (RANGE pin set to high)
0017  */
0018 enum ad7266_range {
0019     AD7266_RANGE_VREF,
0020     AD7266_RANGE_2VREF,
0021 };
0022
0023 /**
0024  * enum ad7266_mode - AD7266 sample mode
0025  * @AD7266_MODE_DIFF: Device is configured for full differential mode
0026  *              (SGL/DIFF pin set to low, AD0 pin set to low)
0027  * @AD7266_MODE_PSEUDO_DIFF: Device is configured for pseudo differential mode
0028  *              (SGL/DIFF pin set to low, AD0 pin set to high)
0029  * @AD7266_MODE_SINGLE_ENDED: Device is configured for single-ended mode
0030  *              (SGL/DIFF pin set to high)
0031  */
0032 enum ad7266_mode {
0033     AD7266_MODE_DIFF,
0034     AD7266_MODE_PSEUDO_DIFF,
0035     AD7266_MODE_SINGLE_ENDED,
0036 };
0037
0038 /**
0039  * struct ad7266_platform_data - Platform data for the AD7266 driver
0040  * @range: Reference voltage range the device is configured for
0041  * @mode: Sample mode the device is configured for
0042  * @fixed_addr: Whether the address pins are hard-wired
0043  */
0044 struct ad7266_platform_data {
0045     enum ad7266_range range;
0046     enum ad7266_mode mode;
0047     bool fixed_addr;
0048 };
0049
0050 #endif