drivers/regulator/mc13xxx.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * mc13xxx.h - regulators for the Freescale mc13xxx PMIC
   4  *
   5  *  Copyright (C) 2010 Yong Shen <yong.shen@linaro.org>
   6  */
   7
   8 #ifndef __LINUX_REGULATOR_MC13XXX_H
   9 #define __LINUX_REGULATOR_MC13XXX_H
  10
  11 #include <linux/regulator/driver.h>
  12
  13 struct mc13xxx_regulator {
  14         struct regulator_desc desc;
  15         int reg;
  16         int enable_bit;
  17         int vsel_reg;
  18         int vsel_shift;
  19         int vsel_mask;
  20 };
  21
  22 struct mc13xxx_regulator_priv {
  23         struct mc13xxx *mc13xxx;
  24         u32 powermisc_pwgt_state;
  25         struct mc13xxx_regulator *mc13xxx_regulators;
  26         int num_regulators;
  27         struct regulator_dev *regulators[] __counted_by(num_regulators);
  28 };
  29
  30 extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
  31                 int min_uV, int max_uV, unsigned *selector);
  32
  33 #ifdef CONFIG_OF
  34 extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev);
  35 extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
  36         struct platform_device *pdev, struct mc13xxx_regulator *regulators,
  37         int num_regulators);
  38 #else
  39 static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
  40 {
  41         return -ENODEV;
  42 }
  43
  44 static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
  45         struct platform_device *pdev, struct mc13xxx_regulator *regulators,
  46         int num_regulators)
  47 {
  48         return NULL;
  49 }
  50 #endif
  51
  52 extern const struct regulator_ops mc13xxx_regulator_ops;
  53 extern const struct regulator_ops mc13xxx_fixed_regulator_ops;
  54
  55 #define MC13xxx_DEFINE(prefix, _name, _node, _reg, _vsel_reg, _voltages, _ops)  \
  56         [prefix ## _name] = {                           \
  57                 .desc = {                                               \
  58                         .name = #_node,                                 \
  59                         .n_voltages = ARRAY_SIZE(_voltages),            \
  60                         .volt_table =  _voltages,                       \
  61                         .ops = &_ops,                   \
  62                         .type = REGULATOR_VOLTAGE,                      \
  63                         .id = prefix ## _name,          \
  64                         .owner = THIS_MODULE,                           \
  65                 },                                                      \
  66                 .reg = prefix ## _reg,                          \
  67                 .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
  68                 .vsel_reg = prefix ## _vsel_reg,                        \
  69                 .vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\
  70                 .vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\
  71         }
  72
  73 #define MC13xxx_FIXED_DEFINE(prefix, _name, _node, _reg, _voltages, _ops)       \
  74         [prefix ## _name] = {                           \
  75                 .desc = {                                               \
  76                         .name = #_node,                                 \
  77                         .n_voltages = ARRAY_SIZE(_voltages),            \
  78                         .volt_table =  _voltages,                       \
  79                         .ops = &_ops,           \
  80                         .type = REGULATOR_VOLTAGE,                      \
  81                         .id = prefix ## _name,          \
  82                         .owner = THIS_MODULE,                           \
  83                 },                                                      \
  84                 .reg = prefix ## _reg,                          \
  85                 .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
  86         }
  87
  88 #define MC13xxx_GPO_DEFINE(prefix, _name, _node, _reg,  _voltages, _ops)        \
  89         [prefix ## _name] = {                           \
  90                 .desc = {                                               \
  91                         .name = #_node,                                 \
  92                         .n_voltages = ARRAY_SIZE(_voltages),            \
  93                         .volt_table =  _voltages,                       \
  94                         .ops = &_ops,           \
  95                         .type = REGULATOR_VOLTAGE,                      \
  96                         .id = prefix ## _name,          \
  97                         .owner = THIS_MODULE,                           \
  98                 },                                                      \
  99                 .reg = prefix ## _reg,                          \
 100                 .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
 101         }
 102
 103 #define MC13xxx_DEFINE_SW(_name, _node, _reg, _vsel_reg, _voltages, ops) \
 104         MC13xxx_DEFINE(SW, _name, _node, _reg, _vsel_reg, _voltages, ops)
 105 #define MC13xxx_DEFINE_REGU(_name, _node, _reg, _vsel_reg, _voltages, ops) \
 106         MC13xxx_DEFINE(REGU, _name, _node, _reg, _vsel_reg, _voltages, ops)
 107
 108 #endif