1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * internal.h -- Voltage/Current Regulator framework internal code
5 * Copyright 2007, 2008 Wolfson Microelectronics PLC.
6 * Copyright 2008 SlimLogic Ltd.
8 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
11 #ifndef __REGULATOR_INTERNAL_H
12 #define __REGULATOR_INTERNAL_H
14 #include <linux/suspend.h>
16 #define REGULATOR_STATES_NUM (PM_SUSPEND_MAX + 1)
18 #define rdev_crit(rdev, fmt, ...) \
19 pr_crit("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
20 #define rdev_err(rdev, fmt, ...) \
21 pr_err("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
22 #define rdev_warn(rdev, fmt, ...) \
23 pr_warn("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
24 #define rdev_info(rdev, fmt, ...) \
25 pr_info("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
26 #define rdev_dbg(rdev, fmt, ...) \
27 pr_debug("%s: " fmt, rdev_get_name(rdev), ##__VA_ARGS__)
29 struct regulator_voltage
{
37 * One for each consumer device.
38 * @voltage - a voltage array for each state of runtime, i.e.:
47 struct list_head list
;
48 unsigned int always_on
:1;
49 unsigned int bypass
:1;
50 unsigned int device_link
:1;
52 unsigned int enable_count
;
53 unsigned int deferred_disables
;
54 struct regulator_voltage voltage
[REGULATOR_STATES_NUM
];
55 const char *supply_name
;
56 struct device_attribute dev_attr
;
57 struct regulator_dev
*rdev
;
58 struct dentry
*debugfs
;
61 extern const struct class regulator_class
;
63 static inline struct regulator_dev
*dev_to_rdev(struct device
*dev
)
65 return container_of(dev
, struct regulator_dev
, dev
);
69 struct regulator_dev
*of_find_regulator_by_node(struct device_node
*np
);
70 struct regulator_init_data
*regulator_of_get_init_data(struct device
*dev
,
71 const struct regulator_desc
*desc
,
72 struct regulator_config
*config
,
73 struct device_node
**node
);
75 struct regulator_dev
*of_parse_coupled_regulator(struct regulator_dev
*rdev
,
78 int of_get_n_coupled(struct regulator_dev
*rdev
);
80 bool of_check_coupling_data(struct regulator_dev
*rdev
);
83 static inline struct regulator_dev
*
84 of_find_regulator_by_node(struct device_node
*np
)
89 static inline struct regulator_init_data
*
90 regulator_of_get_init_data(struct device
*dev
,
91 const struct regulator_desc
*desc
,
92 struct regulator_config
*config
,
93 struct device_node
**node
)
98 static inline struct regulator_dev
*
99 of_parse_coupled_regulator(struct regulator_dev
*rdev
,
105 static inline int of_get_n_coupled(struct regulator_dev
*rdev
)
110 static inline bool of_check_coupling_data(struct regulator_dev
*rdev
)
116 enum regulator_get_type
{
123 struct regulator
*_regulator_get(struct device
*dev
, const char *id
,
124 enum regulator_get_type get_type
);
125 int _regulator_bulk_get(struct device
*dev
, int num_consumers
,
126 struct regulator_bulk_data
*consumers
, enum regulator_get_type get_type
);