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