| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * AD7266/65 SPI ADC driver |
| * |
| * Copyright 2012 Analog Devices Inc. |
| */ |
| |
| #ifndef __IIO_ADC_AD7266_H__ |
| #define __IIO_ADC_AD7266_H__ |
| |
| /** |
| * enum ad7266_range - AD7266 reference voltage range |
| * @AD7266_RANGE_VREF: Device is configured for input range 0V - VREF |
| * (RANGE pin set to low) |
| * @AD7266_RANGE_2VREF: Device is configured for input range 0V - 2VREF |
| * (RANGE pin set to high) |
| */ |
| enum ad7266_range { |
| AD7266_RANGE_VREF, |
| AD7266_RANGE_2VREF, |
| }; |
| |
| /** |
| * enum ad7266_mode - AD7266 sample mode |
| * @AD7266_MODE_DIFF: Device is configured for full differential mode |
| * (SGL/DIFF pin set to low, AD0 pin set to low) |
| * @AD7266_MODE_PSEUDO_DIFF: Device is configured for pseudo differential mode |
| * (SGL/DIFF pin set to low, AD0 pin set to high) |
| * @AD7266_MODE_SINGLE_ENDED: Device is configured for single-ended mode |
| * (SGL/DIFF pin set to high) |
| */ |
| enum ad7266_mode { |
| AD7266_MODE_DIFF, |
| AD7266_MODE_PSEUDO_DIFF, |
| AD7266_MODE_SINGLE_ENDED, |
| }; |
| |
| /** |
| * struct ad7266_platform_data - Platform data for the AD7266 driver |
| * @range: Reference voltage range the device is configured for |
| * @mode: Sample mode the device is configured for |
| * @fixed_addr: Whether the address pins are hard-wired |
| * @addr_gpios: GPIOs used for controlling the address pins, only used if |
| * fixed_addr is set to false. |
| */ |
| struct ad7266_platform_data { |
| enum ad7266_range range; |
| enum ad7266_mode mode; |
| bool fixed_addr; |
| unsigned int addr_gpios[3]; |
| }; |
| |
| #endif |
