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
13struct 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
22struct 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[];
28};
29
30extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
31		int min_uV, int max_uV, unsigned *selector);
32
33#ifdef CONFIG_OF
34extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev);
35extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
36	struct platform_device *pdev, struct mc13xxx_regulator *regulators,
37	int num_regulators);
38#else
39static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
40{
41	return -ENODEV;
42}
43
44static 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
52extern const struct regulator_ops mc13xxx_regulator_ops;
53extern 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
109