mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-26 00:20:51 +07:00
8ec4cf5303
This patch adds support for the Analog Devices AD7265 and AD7266 Analog-to-Digital converters. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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
|