linux/drivers/regulator/mc13xxx.h
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   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);
  37extern int mc13xxx_fixed_regulator_get_voltage(struct regulator_dev *rdev);
  38
  39#ifdef CONFIG_OF
  40extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev);
  41extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
  42        struct platform_device *pdev, struct mc13xxx_regulator *regulators,
  43        int num_regulators);
  44#else
  45static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
  46{
  47        return -ENODEV;
  48}
  49
  50static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
  51        struct platform_device *pdev, struct mc13xxx_regulator *regulators,
  52        int num_regulators)
  53{
  54        return NULL;
  55}
  56#endif
  57
  58extern struct regulator_ops mc13xxx_regulator_ops;
  59extern struct regulator_ops mc13xxx_fixed_regulator_ops;
  60
  61#define MC13xxx_DEFINE(prefix, _name, _reg, _vsel_reg, _voltages, _ops) \
  62        [prefix ## _name] = {                           \
  63                .desc = {                                               \
  64                        .name = #_name,                                 \
  65                        .n_voltages = ARRAY_SIZE(_voltages),            \
  66                        .volt_table =  _voltages,                       \
  67                        .ops = &_ops,                   \
  68                        .type = REGULATOR_VOLTAGE,                      \
  69                        .id = prefix ## _name,          \
  70                        .owner = THIS_MODULE,                           \
  71                },                                                      \
  72                .reg = prefix ## _reg,                          \
  73                .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
  74                .vsel_reg = prefix ## _vsel_reg,                        \
  75                .vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\
  76                .vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\
  77        }
  78
  79#define MC13xxx_FIXED_DEFINE(prefix, _name, _reg, _voltages, _ops)      \
  80        [prefix ## _name] = {                           \
  81                .desc = {                                               \
  82                        .name = #_name,                                 \
  83                        .n_voltages = ARRAY_SIZE(_voltages),            \
  84                        .volt_table =  _voltages,                       \
  85                        .ops = &_ops,           \
  86                        .type = REGULATOR_VOLTAGE,                      \
  87                        .id = prefix ## _name,          \
  88                        .owner = THIS_MODULE,                           \
  89                },                                                      \
  90                .reg = prefix ## _reg,                          \
  91                .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
  92        }
  93
  94#define MC13xxx_GPO_DEFINE(prefix, _name, _reg,  _voltages, _ops)       \
  95        [prefix ## _name] = {                           \
  96                .desc = {                                               \
  97                        .name = #_name,                                 \
  98                        .n_voltages = ARRAY_SIZE(_voltages),            \
  99                        .volt_table =  _voltages,                       \
 100                        .ops = &_ops,           \
 101                        .type = REGULATOR_VOLTAGE,                      \
 102                        .id = prefix ## _name,          \
 103                        .owner = THIS_MODULE,                           \
 104                },                                                      \
 105                .reg = prefix ## _reg,                          \
 106                .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
 107        }
 108
 109#define MC13xxx_DEFINE_SW(_name, _reg, _vsel_reg, _voltages, ops)       \
 110        MC13xxx_DEFINE(SW, _name, _reg, _vsel_reg, _voltages, ops)
 111#define MC13xxx_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages, ops)     \
 112        MC13xxx_DEFINE(REGU, _name, _reg, _vsel_reg, _voltages, ops)
 113
 114#endif
 115
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