include/linux/regulator/lp872x.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright 2012 Texas Instruments
   4  *
   5  * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
   6  */
   7
   8 #ifndef __LP872X_REGULATOR_H__
   9 #define __LP872X_REGULATOR_H__
  10
  11 #include <linux/regulator/machine.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/gpio/consumer.h>
  14
  15 #define LP872X_MAX_REGULATORS           9
  16
  17 #define LP8720_ENABLE_DELAY             200
  18 #define LP8725_ENABLE_DELAY             30000
  19
  20 enum lp872x_regulator_id {
  21         LP8720_ID_BASE,
  22         LP8720_ID_LDO1 = LP8720_ID_BASE,
  23         LP8720_ID_LDO2,
  24         LP8720_ID_LDO3,
  25         LP8720_ID_LDO4,
  26         LP8720_ID_LDO5,
  27         LP8720_ID_BUCK,
  28
  29         LP8725_ID_BASE,
  30         LP8725_ID_LDO1 = LP8725_ID_BASE,
  31         LP8725_ID_LDO2,
  32         LP8725_ID_LDO3,
  33         LP8725_ID_LDO4,
  34         LP8725_ID_LDO5,
  35         LP8725_ID_LILO1,
  36         LP8725_ID_LILO2,
  37         LP8725_ID_BUCK1,
  38         LP8725_ID_BUCK2,
  39
  40         LP872X_ID_MAX,
  41 };
  42
  43 enum lp872x_dvs_sel {
  44         SEL_V1,
  45         SEL_V2,
  46 };
  47
  48 /**
  49  * lp872x_dvs
  50  * @gpio       : gpio descriptor for dvs control
  51  * @vsel       : dvs selector for buck v1 or buck v2 register
  52  * @init_state : initial dvs pin state
  53  */
  54 struct lp872x_dvs {
  55         struct gpio_desc *gpio;
  56         enum lp872x_dvs_sel vsel;
  57         enum gpiod_flags init_state;
  58 };
  59
  60 /**
  61  * lp872x_regdata
  62  * @id        : regulator id
  63  * @init_data : init data for each regulator
  64  */
  65 struct lp872x_regulator_data {
  66         enum lp872x_regulator_id id;
  67         struct regulator_init_data *init_data;
  68 };
  69
  70 /**
  71  * lp872x_platform_data
  72  * @general_config    : the value of LP872X_GENERAL_CFG register
  73  * @update_config     : if LP872X_GENERAL_CFG register is updated, set true
  74  * @regulator_data    : platform regulator id and init data
  75  * @dvs               : dvs data for buck voltage control
  76  * @enable_gpio       : gpio descriptor for enable control
  77  */
  78 struct lp872x_platform_data {
  79         u8 general_config;
  80         bool update_config;
  81         struct lp872x_regulator_data regulator_data[LP872X_MAX_REGULATORS];
  82         struct lp872x_dvs *dvs;
  83         struct gpio_desc *enable_gpio;
  84 };
  85
  86 #endif