41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
|
/*
|
||
|
|
* 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
|