mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-28 07:04:00 +08:00
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
|
/*
|
||
|
|
* AD7266/65 SPI ADC driver
|
||
|
|
*
|
||
|
|
* Copyright 2012 Analog Devices Inc.
|
||
|
|
*
|
||
|
|
* Licensed under the GPL-2.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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
|