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.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_state {
  44         DVS_LOW  = GPIOF_OUT_INIT_LOW,
  45         DVS_HIGH = GPIOF_OUT_INIT_HIGH,
  46 };
  47
  48 enum lp872x_dvs_sel {
  49         SEL_V1,
  50         SEL_V2,
  51 };
  52
  53 /**
  54  * lp872x_dvs
  55  * @gpio       : gpio pin number for dvs control
  56  * @vsel       : dvs selector for buck v1 or buck v2 register
  57  * @init_state : initial dvs pin state
  58  */
  59 struct lp872x_dvs {
  60         int gpio;
  61         enum lp872x_dvs_sel vsel;
  62         enum lp872x_dvs_state init_state;
  63 };
  64
  65 /**
  66  * lp872x_regdata
  67  * @id        : regulator id
  68  * @init_data : init data for each regulator
  69  */
  70 struct lp872x_regulator_data {
  71         enum lp872x_regulator_id id;
  72         struct regulator_init_data *init_data;
  73 };
  74
  75 /**
  76  * lp872x_platform_data
  77  * @general_config    : the value of LP872X_GENERAL_CFG register
  78  * @update_config     : if LP872X_GENERAL_CFG register is updated, set true
  79  * @regulator_data    : platform regulator id and init data
  80  * @dvs               : dvs data for buck voltage control
  81  * @enable_gpio       : gpio pin number for enable control
  82  */
  83 struct lp872x_platform_data {
  84         u8 general_config;
  85         bool update_config;
  86         struct lp872x_regulator_data regulator_data[LP872X_MAX_REGULATORS];
  87         struct lp872x_dvs *dvs;
  88         int enable_gpio;
  89 };
  90
  91 #endif