1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * AD5415, AD5426, AD5429, AD5432, AD5439, AD5443, AD5449 Digital to Analog |
4 | * Converter driver. |
5 | * |
6 | * Copyright 2012 Analog Devices Inc. |
7 | * Author: Lars-Peter Clausen <lars@metafoo.de> |
8 | */ |
9 | |
10 | #ifndef __LINUX_PLATFORM_DATA_AD5449_H__ |
11 | #define __LINUX_PLATFORM_DATA_AD5449_H__ |
12 | |
13 | /** |
14 | * enum ad5449_sdo_mode - AD5449 SDO pin configuration |
15 | * @AD5449_SDO_DRIVE_FULL: Drive the SDO pin with full strength. |
16 | * @AD5449_SDO_DRIVE_WEAK: Drive the SDO pin with not full strength. |
17 | * @AD5449_SDO_OPEN_DRAIN: Operate the SDO pin in open-drain mode. |
18 | * @AD5449_SDO_DISABLED: Disable the SDO pin, in this mode it is not possible to |
19 | * read back from the device. |
20 | */ |
21 | enum ad5449_sdo_mode { |
22 | AD5449_SDO_DRIVE_FULL = 0x0, |
23 | AD5449_SDO_DRIVE_WEAK = 0x1, |
24 | AD5449_SDO_OPEN_DRAIN = 0x2, |
25 | AD5449_SDO_DISABLED = 0x3, |
26 | }; |
27 | |
28 | /** |
29 | * struct ad5449_platform_data - Platform data for the ad5449 DAC driver |
30 | * @sdo_mode: SDO pin mode |
31 | * @hardware_clear_to_midscale: Whether asserting the hardware CLR pin sets the |
32 | * outputs to midscale (true) or to zero scale(false). |
33 | */ |
34 | struct ad5449_platform_data { |
35 | enum ad5449_sdo_mode sdo_mode; |
36 | bool hardware_clear_to_midscale; |
37 | }; |
38 | |
39 | #endif |
40 | |