tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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