include/linux/mfd/ti-lmu.h

   1 /*
   2  * TI LMU (Lighting Management Unit) Devices
   3  *
   4  * Copyright 2017 Texas Instruments
   5  *
   6  * Author: Milo Kim <milo.kim@ti.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #ifndef __MFD_TI_LMU_H__
  14 #define __MFD_TI_LMU_H__
  15
  16 #include <linux/gpio.h>
  17 #include <linux/notifier.h>
  18 #include <linux/regmap.h>
  19
  20 /* Notifier event */
  21 #define LMU_EVENT_MONITOR_DONE          0x01
  22
  23 enum ti_lmu_id {
  24         LM3532,
  25         LM3631,
  26         LM3632,
  27         LM3633,
  28         LM3695,
  29         LM3697,
  30         LMU_MAX_ID,
  31 };
  32
  33 enum ti_lmu_max_current {
  34         LMU_IMAX_5mA,
  35         LMU_IMAX_6mA,
  36         LMU_IMAX_7mA = 0x03,
  37         LMU_IMAX_8mA,
  38         LMU_IMAX_9mA,
  39         LMU_IMAX_10mA = 0x07,
  40         LMU_IMAX_11mA,
  41         LMU_IMAX_12mA,
  42         LMU_IMAX_13mA,
  43         LMU_IMAX_14mA,
  44         LMU_IMAX_15mA = 0x0D,
  45         LMU_IMAX_16mA,
  46         LMU_IMAX_17mA,
  47         LMU_IMAX_18mA,
  48         LMU_IMAX_19mA,
  49         LMU_IMAX_20mA = 0x13,
  50         LMU_IMAX_21mA,
  51         LMU_IMAX_22mA,
  52         LMU_IMAX_23mA = 0x17,
  53         LMU_IMAX_24mA,
  54         LMU_IMAX_25mA,
  55         LMU_IMAX_26mA,
  56         LMU_IMAX_27mA = 0x1C,
  57         LMU_IMAX_28mA,
  58         LMU_IMAX_29mA,
  59         LMU_IMAX_30mA,
  60 };
  61
  62 enum lm363x_regulator_id {
  63         LM3631_BOOST,           /* Boost output */
  64         LM3631_LDO_CONT,        /* Display panel controller */
  65         LM3631_LDO_OREF,        /* Gamma reference */
  66         LM3631_LDO_POS,         /* Positive display bias output */
  67         LM3631_LDO_NEG,         /* Negative display bias output */
  68         LM3632_BOOST,           /* Boost output */
  69         LM3632_LDO_POS,         /* Positive display bias output */
  70         LM3632_LDO_NEG,         /* Negative display bias output */
  71 };
  72
  73 /**
  74  * struct ti_lmu
  75  *
  76  * @dev:        Parent device pointer
  77  * @regmap:     Used for i2c communcation on accessing registers
  78  * @en_gpio:    GPIO for HWEN pin [Optional]
  79  * @notifier:   Notifier for reporting hwmon event
  80  */
  81 struct ti_lmu {
  82         struct device *dev;
  83         struct regmap *regmap;
  84         int en_gpio;
  85         struct blocking_notifier_head notifier;
  86 };
  87 #endif