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* AD9833/AD9834/AD9837/AD9838 SPI DDS driver
* Copyright 2010-2011 Analog Devices Inc.
* Licensed under the GPL-2.
#ifndef IIO_DDS_AD9834_H_
#define IIO_DDS_AD9834_H_
* TODO: struct ad7887_platform_data needs to go into include/linux/iio
* struct ad9834_platform_data - platform specific information
* @mclk: master clock in Hz
* @freq0: power up freq0 tuning word in Hz
* @freq1: power up freq1 tuning word in Hz
* @phase0: power up phase0 value [0..4095] correlates with 0..2PI
* @phase1: power up phase1 value [0..4095] correlates with 0..2PI
* @en_div2: digital output/2 is passed to the SIGN BIT OUT pin
* @en_signbit_msb_out: the MSB (or MSB/2) of the DAC data is connected to the
* SIGN BIT OUT pin. en_div2 controls whether it is the MSB
* or MSB/2 that is output. if en_signbit_msb_out=false,
* the on-board comparator is connected to SIGN BIT OUT
struct ad9834_platform_data {
unsigned int mclk;
unsigned int freq0;
unsigned int freq1;
unsigned short phase0;
unsigned short phase1;
bool en_div2;
bool en_signbit_msb_out;
#endif /* IIO_DDS_AD9834_H_ */