xref: /linux/include/linux/platform_data/ad7266.h (revision f86fd32d)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * AD7266/65 SPI ADC driver
4  *
5  * Copyright 2012 Analog Devices Inc.
6  */
7 
8 #ifndef __IIO_ADC_AD7266_H__
9 #define __IIO_ADC_AD7266_H__
10 
11 /**
12  * enum ad7266_range - AD7266 reference voltage range
13  * @AD7266_RANGE_VREF: Device is configured for input range 0V - VREF
14  *			(RANGE pin set to low)
15  * @AD7266_RANGE_2VREF: Device is configured for input range 0V - 2VREF
16  *			(RANGE pin set to high)
17  */
18 enum ad7266_range {
19 	AD7266_RANGE_VREF,
20 	AD7266_RANGE_2VREF,
21 };
22 
23 /**
24  * enum ad7266_mode - AD7266 sample mode
25  * @AD7266_MODE_DIFF: Device is configured for full differential mode
26  *				(SGL/DIFF pin set to low, AD0 pin set to low)
27  * @AD7266_MODE_PSEUDO_DIFF: Device is configured for pseudo differential mode
28  *				(SGL/DIFF pin set to low, AD0 pin set to high)
29  * @AD7266_MODE_SINGLE_ENDED: Device is configured for single-ended mode
30  *				(SGL/DIFF pin set to high)
31  */
32 enum ad7266_mode {
33 	AD7266_MODE_DIFF,
34 	AD7266_MODE_PSEUDO_DIFF,
35 	AD7266_MODE_SINGLE_ENDED,
36 };
37 
38 /**
39  * struct ad7266_platform_data - Platform data for the AD7266 driver
40  * @range: Reference voltage range the device is configured for
41  * @mode: Sample mode the device is configured for
42  * @fixed_addr: Whether the address pins are hard-wired
43  */
44 struct ad7266_platform_data {
45 	enum ad7266_range range;
46 	enum ad7266_mode mode;
47 	bool fixed_addr;
48 };
49 
50 #endif
51