LXR linux/include/linux/platform

   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 */
  22enum 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 */
  35struct ad5449_platform_data {
  36        enum ad5449_sdo_mode sdo_mode;
  37        bool hardware_clear_to_midscale;
  38};
  39
  40#endif
  41