linux-stable/include/linux/platform_data/ad7266.h
Thomas Gleixner fda8d26e61 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 177
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>
2019-05-30 11:29:19 -07:00

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