include/linux/regulator/lp872x.h

   1 /*
   2  * Copyright 2012 Texas Instruments
   3  *
   4  * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  */
  11
  12 #ifndef __LP872X_REGULATOR_H__
  13 #define __LP872X_REGULATOR_H__
  14
  15 #include <linux/regulator/machine.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/gpio.h>
  18
  19 #define LP872X_MAX_REGULATORS           9
  20
  21 enum lp872x_regulator_id {
  22         LP8720_ID_BASE,
  23         LP8720_ID_LDO1 = LP8720_ID_BASE,
  24         LP8720_ID_LDO2,
  25         LP8720_ID_LDO3,
  26         LP8720_ID_LDO4,
  27         LP8720_ID_LDO5,
  28         LP8720_ID_BUCK,
  29
  30         LP8725_ID_BASE,
  31         LP8725_ID_LDO1 = LP8725_ID_BASE,
  32         LP8725_ID_LDO2,
  33         LP8725_ID_LDO3,
  34         LP8725_ID_LDO4,
  35         LP8725_ID_LDO5,
  36         LP8725_ID_LILO1,
  37         LP8725_ID_LILO2,
  38         LP8725_ID_BUCK1,
  39         LP8725_ID_BUCK2,
  40
  41         LP872X_ID_MAX,
  42 };
  43
  44 enum lp872x_dvs_state {
  45         DVS_LOW  = GPIOF_OUT_INIT_LOW,
  46         DVS_HIGH = GPIOF_OUT_INIT_HIGH,
  47 };
  48
  49 enum lp872x_dvs_sel {
  50         SEL_V1,
  51         SEL_V2,
  52 };
  53
  54 /**
  55  * lp872x_dvs
  56  * @gpio       : gpio pin number for dvs control
  57  * @vsel       : dvs selector for buck v1 or buck v2 register
  58  * @init_state : initial dvs pin state
  59  */
  60 struct lp872x_dvs {
  61         int gpio;
  62         enum lp872x_dvs_sel vsel;
  63         enum lp872x_dvs_state init_state;
  64 };
  65
  66 /**
  67  * lp872x_regdata
  68  * @id        : regulator id
  69  * @init_data : init data for each regulator
  70  */
  71 struct lp872x_regulator_data {
  72         enum lp872x_regulator_id id;
  73         struct regulator_init_data *init_data;
  74 };
  75
  76 /**
  77  * lp872x_platform_data
  78  * @general_config    : the value of LP872X_GENERAL_CFG register
  79  * @update_config     : if LP872X_GENERAL_CFG register is updated, set true
  80  * @regulator_data    : platform regulator id and init data
  81  * @dvs               : dvs data for buck voltage 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 };
  89
  90 #endif