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mc13xxx.h
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1 /*
2  * mc13xxx.h - regulators for the Freescale mc13xxx PMIC
3  *
4  * Copyright (C) 2010 Yong Shen <[email protected]>
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 
17 struct 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 
27 struct 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 
35 extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
36  int min_uV, int max_uV, unsigned *selector);
37 
38 #ifdef CONFIG_OF
39 extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev);
40 extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
41  struct platform_device *pdev, struct mc13xxx_regulator *regulators,
42  int num_regulators);
43 #else
44 static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
45 {
46  return -ENODEV;
47 }
48 
49 static 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 
57 extern struct regulator_ops mc13xxx_regulator_ops;
58 extern 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
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