linux/include/linux/platform_data/ad5449.h
<<
>>
Prefs
   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 */
  21enum 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 */
  34struct ad5449_platform_data {
  35        enum ad5449_sdo_mode sdo_mode;
  36        bool hardware_clear_to_midscale;
  37};
  38
  39#endif
  40