LXR linux/include/linux/mfd/ti-lmu.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * TI LMU (Lighting Management Unit) Devices
   4 *
   5 * Copyright 2017 Texas Instruments
   6 *
   7 * Author: Milo Kim <milo.kim@ti.com>
   8 */
   9
  10#ifndef __MFD_TI_LMU_H__
  11#define __MFD_TI_LMU_H__
  12
  13#include <linux/gpio.h>
  14#include <linux/notifier.h>
  15#include <linux/regmap.h>
  16#include <linux/gpio/consumer.h>
  17
  18/* Notifier event */
  19#define LMU_EVENT_MONITOR_DONE          0x01
  20
  21enum ti_lmu_id {
  22        LM3631,
  23        LM3632,
  24        LM3633,
  25        LM3695,
  26        LM36274,
  27        LMU_MAX_ID,
  28};
  29
  30enum ti_lmu_max_current {
  31        LMU_IMAX_5mA,
  32        LMU_IMAX_6mA,
  33        LMU_IMAX_7mA = 0x03,
  34        LMU_IMAX_8mA,
  35        LMU_IMAX_9mA,
  36        LMU_IMAX_10mA = 0x07,
  37        LMU_IMAX_11mA,
  38        LMU_IMAX_12mA,
  39        LMU_IMAX_13mA,
  40        LMU_IMAX_14mA,
  41        LMU_IMAX_15mA = 0x0D,
  42        LMU_IMAX_16mA,
  43        LMU_IMAX_17mA,
  44        LMU_IMAX_18mA,
  45        LMU_IMAX_19mA,
  46        LMU_IMAX_20mA = 0x13,
  47        LMU_IMAX_21mA,
  48        LMU_IMAX_22mA,
  49        LMU_IMAX_23mA = 0x17,
  50        LMU_IMAX_24mA,
  51        LMU_IMAX_25mA,
  52        LMU_IMAX_26mA,
  53        LMU_IMAX_27mA = 0x1C,
  54        LMU_IMAX_28mA,
  55        LMU_IMAX_29mA,
  56        LMU_IMAX_30mA,
  57};
  58
  59enum lm363x_regulator_id {
  60        LM3631_BOOST,           /* Boost output */
  61        LM3631_LDO_CONT,        /* Display panel controller */
  62        LM3631_LDO_OREF,        /* Gamma reference */
  63        LM3631_LDO_POS,         /* Positive display bias output */
  64        LM3631_LDO_NEG,         /* Negative display bias output */
  65        LM3632_BOOST,           /* Boost output */
  66        LM3632_LDO_POS,         /* Positive display bias output */
  67        LM3632_LDO_NEG,         /* Negative display bias output */
  68        LM36274_BOOST,          /* Boost output */
  69        LM36274_LDO_POS,        /* Positive display bias output */
  70        LM36274_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 */
  81struct ti_lmu {
  82        struct device *dev;
  83        struct regmap *regmap;
  84        struct gpio_desc *en_gpio;
  85        struct blocking_notifier_head notifier;
  86};
  87#endif
  88