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Linux/include/linux/platform_data/ad7266.h

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  1 /*
  2  * AD7266/65 SPI ADC driver
  3  *
  4  * Copyright 2012 Analog Devices Inc.
  5  *
  6  * Licensed under the GPL-2.
  7  */
  8 
  9 #ifndef __IIO_ADC_AD7266_H__
 10 #define __IIO_ADC_AD7266_H__
 11 
 12 /**
 13  * enum ad7266_range - AD7266 reference voltage range
 14  * @AD7266_RANGE_VREF: Device is configured for input range 0V - VREF
 15  *                      (RANGE pin set to low)
 16  * @AD7266_RANGE_2VREF: Device is configured for input range 0V - 2VREF
 17  *                      (RANGE pin set to high)
 18  */
 19 enum ad7266_range {
 20         AD7266_RANGE_VREF,
 21         AD7266_RANGE_2VREF,
 22 };
 23 
 24 /**
 25  * enum ad7266_mode - AD7266 sample mode
 26  * @AD7266_MODE_DIFF: Device is configured for full differential mode
 27  *                              (SGL/DIFF pin set to low, AD0 pin set to low)
 28  * @AD7266_MODE_PSEUDO_DIFF: Device is configured for pseudo differential mode
 29  *                              (SGL/DIFF pin set to low, AD0 pin set to high)
 30  * @AD7266_MODE_SINGLE_ENDED: Device is configured for single-ended mode
 31  *                              (SGL/DIFF pin set to high)
 32  */
 33 enum ad7266_mode {
 34         AD7266_MODE_DIFF,
 35         AD7266_MODE_PSEUDO_DIFF,
 36         AD7266_MODE_SINGLE_ENDED,
 37 };
 38 
 39 /**
 40  * struct ad7266_platform_data - Platform data for the AD7266 driver
 41  * @range: Reference voltage range the device is configured for
 42  * @mode: Sample mode the device is configured for
 43  * @fixed_addr: Whether the address pins are hard-wired
 44  * @addr_gpios: GPIOs used for controlling the address pins, only used if
 45  *              fixed_addr is set to false.
 46  */
 47 struct ad7266_platform_data {
 48         enum ad7266_range range;
 49         enum ad7266_mode mode;
 50         bool fixed_addr;
 51         unsigned int addr_gpios[3];
 52 };
 53 
 54 #endif
 55 

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