include/linux/regulator/fan53555.h

   1 /*
   2  * fan53555.h - Fairchild Regulator FAN53555 Driver
   3  *
   4  * Copyright (C) 2012 Marvell Technology Ltd.
   5  * Yunfan Zhang <yfzhang@marvell.com>
   6  *
   7  * This package is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11  */
  12
  13 #ifndef __FAN53555_H__
  14
  15 /* VSEL ID */
  16 enum {
  17         FAN53555_VSEL_ID_0 = 0,
  18         FAN53555_VSEL_ID_1,
  19 };
  20
  21 /* Transition slew rate limiting from a low to high voltage.
  22  * -----------------------
  23  *   Bin |Slew Rate(mV/uS)
  24  * ------|----------------
  25  *   000 |    64.00
  26  * ------|----------------
  27  *   001 |    32.00
  28  * ------|----------------
  29  *   010 |    16.00
  30  * ------|----------------
  31  *   011 |     8.00
  32  * ------|----------------
  33  *   100 |     4.00
  34  * ------|----------------
  35  *   101 |     2.00
  36  * ------|----------------
  37  *   110 |     1.00
  38  * ------|----------------
  39  *   111 |     0.50
  40  * -----------------------
  41  */
  42 enum {
  43         FAN53555_SLEW_RATE_64MV = 0,
  44         FAN53555_SLEW_RATE_32MV,
  45         FAN53555_SLEW_RATE_16MV,
  46         FAN53555_SLEW_RATE_8MV,
  47         FAN53555_SLEW_RATE_4MV,
  48         FAN53555_SLEW_RATE_2MV,
  49         FAN53555_SLEW_RATE_1MV,
  50         FAN53555_SLEW_RATE_0_5MV,
  51 };
  52
  53 struct fan53555_platform_data {
  54         struct regulator_init_data *regulator;
  55         unsigned int slew_rate;
  56         /* Sleep VSEL ID */
  57         unsigned int sleep_vsel_id;
  58 };
  59
  60 #endif /* __FAN53555_H__ */