include/linux/regulator/fan53555.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * fan53555.h - Fairchild Regulator FAN53555 Driver
   4  *
   5  * Copyright (C) 2012 Marvell Technology Ltd.
   6  * Yunfan Zhang <[email protected]>
   7  */
   8
   9 #ifndef __FAN53555_H__
  10 #define __FAN53555_H__
  11
  12 /* VSEL ID */
  13 enum {
  14         FAN53555_VSEL_ID_0 = 0,
  15         FAN53555_VSEL_ID_1,
  16 };
  17
  18 /* Transition slew rate limiting from a low to high voltage.
  19  * -----------------------
  20  *   Bin |Slew Rate(mV/uS)
  21  * ------|----------------
  22  *   000 |    64.00
  23  * ------|----------------
  24  *   001 |    32.00
  25  * ------|----------------
  26  *   010 |    16.00
  27  * ------|----------------
  28  *   011 |     8.00
  29  * ------|----------------
  30  *   100 |     4.00
  31  * ------|----------------
  32  *   101 |     2.00
  33  * ------|----------------
  34  *   110 |     1.00
  35  * ------|----------------
  36  *   111 |     0.50
  37  * -----------------------
  38  */
  39 enum {
  40         FAN53555_SLEW_RATE_64MV = 0,
  41         FAN53555_SLEW_RATE_32MV,
  42         FAN53555_SLEW_RATE_16MV,
  43         FAN53555_SLEW_RATE_8MV,
  44         FAN53555_SLEW_RATE_4MV,
  45         FAN53555_SLEW_RATE_2MV,
  46         FAN53555_SLEW_RATE_1MV,
  47         FAN53555_SLEW_RATE_0_5MV,
  48 };
  49
  50 struct fan53555_platform_data {
  51         struct regulator_init_data *regulator;
  52         unsigned int slew_rate;
  53         /* Sleep VSEL ID */
  54         unsigned int sleep_vsel_id;
  55 };
  56
  57 #endif /* __FAN53555_H__ */