| /* |
| * 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 |