1 /* 2 * AD7190 AD7192 AD7195 SPI ADC driver 3 * 4 * Copyright 2011 Analog Devices Inc. 5 * 6 * Licensed under the GPL-2. 7 */ 8 #ifndef IIO_ADC_AD7192_H_ 9 #define IIO_ADC_AD7192_H_ 10 11 /* 12 * TODO: struct ad7192_platform_data needs to go into include/linux/iio 13 */ 14 15 /** 16 * struct ad7192_platform_data - platform/board specific information 17 * @vref_mv: the external reference voltage in millivolt 18 * @clock_source_sel: [0..3] 19 * 0 External 4.92 MHz clock connected from MCLK1 to MCLK2 20 * 1 External Clock applied to MCLK2 21 * 2 Internal 4.92 MHz Clock not available at the MCLK2 pin 22 * 3 Internal 4.92 MHz Clock available at the MCLK2 pin 23 * @ext_clk_Hz: the external clock frequency in Hz, if not set 24 * the driver uses the internal clock (16.776 MHz) 25 * @refin2_en: REFIN1/REFIN2 Reference Select (AD7190/2 only) 26 * @rej60_en: 50/60Hz notch filter enable 27 * @sinc3_en: SINC3 filter enable (default SINC4) 28 * @chop_en: CHOP mode enable 29 * @buf_en: buffered input mode enable 30 * @unipolar_en: unipolar mode enable 31 * @burnout_curr_en: constant current generators on AIN(+|-) enable 32 */ 33 34 struct ad7192_platform_data { 35 u16 vref_mv; 36 u8 clock_source_sel; 37 u32 ext_clk_Hz; 38 bool refin2_en; 39 bool rej60_en; 40 bool sinc3_en; 41 bool chop_en; 42 bool buf_en; 43 bool unipolar_en; 44 bool burnout_curr_en; 45 }; 46 47 #endif /* IIO_ADC_AD7192_H_ */ 48