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};
  25
  26struct mc13xxx_regulator_priv {
  27        struct mc13xxx *mc13xxx;
  28        u32 powermisc_pwgt_state;
  29        struct mc13xxx_regulator *mc13xxx_regulators;
  30        int num_regulators;
  31        struct regulator_dev *regulators[];
  32};
  33
  34extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
  35                int min_uV, int max_uV, unsigned *selector);
  36
  37#ifdef CONFIG_OF
  38extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev);
  39extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
  40        struct platform_device *pdev, struct mc13xxx_regulator *regulators,
  41        int num_regulators);
  42#else
  43static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
  44{
  45        return -ENODEV;
  46}
  47
  48static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
  49        struct platform_device *pdev, struct mc13xxx_regulator *regulators,
  50        int num_regulators)
  51{
  52        return NULL;
  53}
  54#endif
  55
  56extern struct regulator_ops mc13xxx_regulator_ops;
  57extern struct regulator_ops mc13xxx_fixed_regulator_ops;
  58
  59#define MC13xxx_DEFINE(prefix, _name, _reg, _vsel_reg, _voltages, _ops) \
  60        [prefix ## _name] = {                           \
  61                .desc = {                                               \
  62                        .name = #_name,                                 \
  63                        .n_voltages = ARRAY_SIZE(_voltages),            \
  64                        .volt_table =  _voltages,                       \
  65                        .ops = &_ops,                   \
  66                        .type = REGULATOR_VOLTAGE,                      \
  67                        .id = prefix ## _name,          \
  68                        .owner = THIS_MODULE,                           \
  69                },                                                      \
  70                .reg = prefix ## _reg,                          \
  71                .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
  72                .vsel_reg = prefix ## _vsel_reg,                        \
  73                .vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\
  74                .vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\
  75        }
  76
  77#define MC13xxx_FIXED_DEFINE(prefix, _name, _reg, _voltages, _ops)      \
  78        [prefix ## _name] = {                           \
  79                .desc = {                                               \
  80                        .name = #_name,                                 \
  81                        .n_voltages = ARRAY_SIZE(_voltages),            \
  82                        .volt_table =  _voltages,                       \
  83                        .ops = &_ops,           \
  84                        .type = REGULATOR_VOLTAGE,                      \
  85                        .id = prefix ## _name,          \
  86                        .owner = THIS_MODULE,                           \
  87                },                                                      \
  88                .reg = prefix ## _reg,                          \
  89                .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
  90        }
  91
  92#define MC13xxx_GPO_DEFINE(prefix, _name, _reg,  _voltages, _ops)       \
  93        [prefix ## _name] = {                           \
  94                .desc = {                                               \
  95                        .name = #_name,                                 \
  96                        .n_voltages = ARRAY_SIZE(_voltages),            \
  97                        .volt_table =  _voltages,                       \
  98                        .ops = &_ops,           \
  99                        .type = REGULATOR_VOLTAGE,                      \
 100                        .id = prefix ## _name,          \
 101                        .owner = THIS_MODULE,                           \
 102                },                                                      \
 103                .reg = prefix ## _reg,                          \
 104                .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
 105        }
 106
 107#define MC13xxx_DEFINE_SW(_name, _reg, _vsel_reg, _voltages, ops)       \
 108        MC13xxx_DEFINE(SW, _name, _reg, _vsel_reg, _voltages, ops)
 109#define MC13xxx_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages, ops)     \
 110        MC13xxx_DEFINE(REGU, _name, _reg, _vsel_reg, _voltages, ops)
 111
 112#endif
 113