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