1 /*
2  * AD5415, AD5426, AD5429, AD5432, AD5439, AD5443, AD5449 Digital to Analog
3  * Converter driver.
4  *
5  * Copyright 2012 Analog Devices Inc.
6  *  Author: Lars-Peter Clausen <lars@metafoo.de>
7  *
8  * Licensed under the GPL-2.
9  */
10 
11 #ifndef __LINUX_PLATFORM_DATA_AD5449_H__
12 #define __LINUX_PLATFORM_DATA_AD5449_H__
13 
14 /**
15  * enum ad5449_sdo_mode - AD5449 SDO pin configuration
16  * @AD5449_SDO_DRIVE_FULL: Drive the SDO pin with full strength.
17  * @AD5449_SDO_DRIVE_WEAK: Drive the SDO pin with not full strength.
18  * @AD5449_SDO_OPEN_DRAIN: Operate the SDO pin in open-drain mode.
19  * @AD5449_SDO_DISABLED: Disable the SDO pin, in this mode it is not possible to
20  *			read back from the device.
21  */
22 enum ad5449_sdo_mode {
23 	AD5449_SDO_DRIVE_FULL = 0x0,
24 	AD5449_SDO_DRIVE_WEAK = 0x1,
25 	AD5449_SDO_OPEN_DRAIN = 0x2,
26 	AD5449_SDO_DISABLED = 0x3,
27 };
28 
29 /**
30  * struct ad5449_platform_data - Platform data for the ad5449 DAC driver
31  * @sdo_mode: SDO pin mode
32  * @hardware_clear_to_midscale: Whether asserting the hardware CLR pin sets the
33  *			outputs to midscale (true) or to zero scale(false).
34  */
35 struct ad5449_platform_data {
36 	enum ad5449_sdo_mode sdo_mode;
37 	bool hardware_clear_to_midscale;
38 };
39 
40 #endif
41