LXR linux/drivers/regulator/mc13xxx.h

   1/*
   2 * mc13xxx.h - regulators for the Freescale mc13xxx PMIC
   3 *
   4 *  Copyright (C) 2010 Yong Shen <yong.shen@linaro.org>
   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 as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 */
  11
  12#ifndef __LINUX_REGULATOR_MC13XXX_H
  13#define __LINUX_REGULATOR_MC13XXX_H
  14
  15#include <linux/regulator/driver.h>
  16
  17struct mc13xxx_regulator {
  18        struct regulator_desc desc;
  19        int reg;
  20        int enable_bit;
  21        int vsel_reg;
  22        int vsel_shift;
  23        int vsel_mask;
  24        int hi_bit;
  25};
  26
  27struct mc13xxx_regulator_priv {
  28        struct mc13xxx *mc13xxx;
  29        u32 powermisc_pwgt_state;
  30        struct mc13xxx_regulator *mc13xxx_regulators;
  31        int num_regulators;
  32        struct regulator_dev *regulators[];
  33};
  34
  35extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
  36                int min_uV, int max_uV, unsigned *selector);
  37
  38#ifdef CONFIG_OF
  39extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev);
  40extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
  41        struct platform_device *pdev, struct mc13xxx_regulator *regulators,
  42        int num_regulators);
  43#else
  44static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
  45{
  46        return -ENODEV;
  47}
  48
  49static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
  50        struct platform_device *pdev, struct mc13xxx_regulator *regulators,
  51        int num_regulators)
  52{
  53        return NULL;
  54}
  55#endif
  56
  57extern struct regulator_ops mc13xxx_regulator_ops;
  58extern struct regulator_ops mc13xxx_fixed_regulator_ops;
  59
  60#define MC13xxx_DEFINE(prefix, _name, _reg, _vsel_reg, _voltages, _ops) \
  61        [prefix ## _name] = {                           \
  62                .desc = {                                               \
  63                        .name = #_name,                                 \
  64                        .n_voltages = ARRAY_SIZE(_voltages),            \
  65                        .volt_table =  _voltages,                       \
  66                        .ops = &_ops,                   \
  67                        .type = REGULATOR_VOLTAGE,                      \
  68                        .id = prefix ## _name,          \
  69                        .owner = THIS_MODULE,                           \
  70                },                                                      \
  71                .reg = prefix ## _reg,                          \
  72                .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
  73                .vsel_reg = prefix ## _vsel_reg,                        \
  74                .vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\
  75                .vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\
  76        }
  77
  78#define MC13xxx_FIXED_DEFINE(prefix, _name, _reg, _voltages, _ops)      \
  79        [prefix ## _name] = {                           \
  80                .desc = {                                               \
  81                        .name = #_name,                                 \
  82                        .n_voltages = ARRAY_SIZE(_voltages),            \
  83                        .volt_table =  _voltages,                       \
  84                        .ops = &_ops,           \
  85                        .type = REGULATOR_VOLTAGE,                      \
  86                        .id = prefix ## _name,          \
  87                        .owner = THIS_MODULE,                           \
  88                },                                                      \
  89                .reg = prefix ## _reg,                          \
  90                .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
  91        }
  92
  93#define MC13xxx_GPO_DEFINE(prefix, _name, _reg,  _voltages, _ops)       \
  94        [prefix ## _name] = {                           \
  95                .desc = {                                               \
  96                        .name = #_name,                                 \
  97                        .n_voltages = ARRAY_SIZE(_voltages),            \
  98                        .volt_table =  _voltages,                       \
  99                        .ops = &_ops,           \
 100                        .type = REGULATOR_VOLTAGE,                      \
 101                        .id = prefix ## _name,          \
 102                        .owner = THIS_MODULE,                           \
 103                },                                                      \
 104                .reg = prefix ## _reg,                          \
 105                .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
 106        }
 107
 108#define MC13xxx_DEFINE_SW(_name, _reg, _vsel_reg, _voltages, ops)       \
 109        MC13xxx_DEFINE(SW, _name, _reg, _vsel_reg, _voltages, ops)
 110#define MC13xxx_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages, ops)     \
 111        MC13xxx_DEFINE(REGU, _name, _reg, _vsel_reg, _voltages, ops)
 112
 113#endif
 114