forked from mirrors/linux
fda8d26e61
Based on 1 normalized pattern(s): licensed under the gpl 2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 135 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528170026.071193225@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* AD7266/65 SPI ADC driver
|
|
*
|
|
* Copyright 2012 Analog Devices Inc.
|
|
*/
|
|
|
|
#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
|