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Commit | Line | Data |
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8341dc04 LPC |
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 |