LXR linux/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#define LP8720_ENABLE_DELAY             200
  22#define LP8725_ENABLE_DELAY             30000
  23
  24enum lp872x_regulator_id {
  25        LP8720_ID_BASE,
  26        LP8720_ID_LDO1 = LP8720_ID_BASE,
  27        LP8720_ID_LDO2,
  28        LP8720_ID_LDO3,
  29        LP8720_ID_LDO4,
  30        LP8720_ID_LDO5,
  31        LP8720_ID_BUCK,
  32
  33        LP8725_ID_BASE,
  34        LP8725_ID_LDO1 = LP8725_ID_BASE,
  35        LP8725_ID_LDO2,
  36        LP8725_ID_LDO3,
  37        LP8725_ID_LDO4,
  38        LP8725_ID_LDO5,
  39        LP8725_ID_LILO1,
  40        LP8725_ID_LILO2,
  41        LP8725_ID_BUCK1,
  42        LP8725_ID_BUCK2,
  43
  44        LP872X_ID_MAX,
  45};
  46
  47enum lp872x_dvs_state {
  48        DVS_LOW  = GPIOF_OUT_INIT_LOW,
  49        DVS_HIGH = GPIOF_OUT_INIT_HIGH,
  50};
  51
  52enum lp872x_dvs_sel {
  53        SEL_V1,
  54        SEL_V2,
  55};
  56
  57/**
  58 * lp872x_dvs
  59 * @gpio       : gpio pin number for dvs control
  60 * @vsel       : dvs selector for buck v1 or buck v2 register
  61 * @init_state : initial dvs pin state
  62 */
  63struct lp872x_dvs {
  64        int gpio;
  65        enum lp872x_dvs_sel vsel;
  66        enum lp872x_dvs_state init_state;
  67};
  68
  69/**
  70 * lp872x_regdata
  71 * @id        : regulator id
  72 * @init_data : init data for each regulator
  73 */
  74struct lp872x_regulator_data {
  75        enum lp872x_regulator_id id;
  76        struct regulator_init_data *init_data;
  77};
  78
  79/**
  80 * lp872x_platform_data
  81 * @general_config    : the value of LP872X_GENERAL_CFG register
  82 * @update_config     : if LP872X_GENERAL_CFG register is updated, set true
  83 * @regulator_data    : platform regulator id and init data
  84 * @dvs               : dvs data for buck voltage control
  85 * @enable_gpio       : gpio pin number for enable control
  86 */
  87struct lp872x_platform_data {
  88        u8 general_config;
  89        bool update_config;
  90        struct lp872x_regulator_data regulator_data[LP872X_MAX_REGULATORS];
  91        struct lp872x_dvs *dvs;
  92        int enable_gpio;
  93};
  94
  95#endif
  96