xref: /linux-6.15/include/linux/regulator/fixed.h (revision 228cd2db)
1 /*
2  * fixed.h
3  *
4  * Copyright 2008 Wolfson Microelectronics PLC.
5  *
6  * Author: Mark Brown <[email protected]>
7  *
8  * Copyright (c) 2009 Nokia Corporation
9  * Roger Quadros <[email protected]>
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License as
13  * published by the Free Software Foundation; either version 2 of the
14  * License, or (at your option) any later version.
15  */
16 
17 #ifndef __REGULATOR_FIXED_H
18 #define __REGULATOR_FIXED_H
19 
20 struct regulator_init_data;
21 
22 /**
23  * struct fixed_voltage_config - fixed_voltage_config structure
24  * @supply_name:	Name of the regulator supply
25  * @input_supply:	Name of the input regulator supply
26  * @microvolts:		Output voltage of regulator
27  * @startup_delay:	Start-up time in microseconds
28  * @enabled_at_boot:	Whether regulator has been enabled at
29  * 			boot or not. 1 = Yes, 0 = No
30  * 			This is used to keep the regulator at
31  * 			the default state
32  * @init_data:		regulator_init_data
33  *
34  * This structure contains fixed voltage regulator configuration
35  * information that must be passed by platform code to the fixed
36  * voltage regulator driver.
37  */
38 struct fixed_voltage_config {
39 	const char *supply_name;
40 	const char *input_supply;
41 	int microvolts;
42 	unsigned startup_delay;
43 	unsigned enabled_at_boot:1;
44 	struct regulator_init_data *init_data;
45 };
46 
47 struct regulator_consumer_supply;
48 
49 #if IS_ENABLED(CONFIG_REGULATOR)
50 struct platform_device *regulator_register_always_on(int id, const char *name,
51 		struct regulator_consumer_supply *supplies, int num_supplies, int uv);
52 #else
53 static inline struct platform_device *regulator_register_always_on(int id, const char *name,
54 		struct regulator_consumer_supply *supplies, int num_supplies, int uv)
55 {
56 	return NULL;
57 }
58 #endif
59 
60 #define regulator_register_fixed(id, s, ns) regulator_register_always_on(id, \
61 						"fixed-dummy", s, ns, 0)
62 
63 #endif
64