linux_dsm_epyc7002/include/linux/platform_data/ad5449.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

40 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* AD5415, AD5426, AD5429, AD5432, AD5439, AD5443, AD5449 Digital to Analog
* Converter driver.
*
* Copyright 2012 Analog Devices Inc.
* Author: Lars-Peter Clausen <lars@metafoo.de>
*/
#ifndef __LINUX_PLATFORM_DATA_AD5449_H__
#define __LINUX_PLATFORM_DATA_AD5449_H__
/**
* enum ad5449_sdo_mode - AD5449 SDO pin configuration
* @AD5449_SDO_DRIVE_FULL: Drive the SDO pin with full strength.
* @AD5449_SDO_DRIVE_WEAK: Drive the SDO pin with not full strength.
* @AD5449_SDO_OPEN_DRAIN: Operate the SDO pin in open-drain mode.
* @AD5449_SDO_DISABLED: Disable the SDO pin, in this mode it is not possible to
* read back from the device.
*/
enum ad5449_sdo_mode {
AD5449_SDO_DRIVE_FULL = 0x0,
AD5449_SDO_DRIVE_WEAK = 0x1,
AD5449_SDO_OPEN_DRAIN = 0x2,
AD5449_SDO_DISABLED = 0x3,
};
/**
* struct ad5449_platform_data - Platform data for the ad5449 DAC driver
* @sdo_mode: SDO pin mode
* @hardware_clear_to_midscale: Whether asserting the hardware CLR pin sets the
* outputs to midscale (true) or to zero scale(false).
*/
struct ad5449_platform_data {
enum ad5449_sdo_mode sdo_mode;
bool hardware_clear_to_midscale;
};
#endif