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/*
* AD5415, AD5426, AD5429, AD5432, AD5439, AD5443, AD5449 Digital to Analog
* Converter driver.
*
* Copyright 2012 Analog Devices Inc.
* Author: Lars-Peter Clausen <lars@metafoo.de>
*
* Licensed under the GPL-2.
*/
#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