| Lars-Peter Clausen | 8ec4cf5 | 2012-06-25 14:52:49 +0200 | [diff] [blame] | 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 |