| Lars-Peter Clausen | 8341dc0 | 2012-10-16 17:29:00 +0100 | [diff] [blame] | 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 |