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87d68730 DA |
1 | /* |
2 | * System Control Driver | |
3 | * | |
4 | * Copyright (C) 2012 Freescale Semiconductor, Inc. | |
5 | * Copyright (C) 2012 Linaro Ltd. | |
6 | * | |
7 | * Author: Dong Aisheng <dong.aisheng@linaro.org> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | */ | |
14 | ||
15 | #ifndef __LINUX_MFD_SYSCON_H__ | |
16 | #define __LINUX_MFD_SYSCON_H__ | |
17 | ||
5fb1c2dd SN |
18 | struct device_node; |
19 | ||
df73de9b | 20 | #ifdef CONFIG_MFD_SYSCON |
87d68730 DA |
21 | extern struct regmap *syscon_node_to_regmap(struct device_node *np); |
22 | extern struct regmap *syscon_regmap_lookup_by_compatible(const char *s); | |
5ab3a89a | 23 | extern struct regmap *syscon_regmap_lookup_by_pdevname(const char *s); |
87d68730 DA |
24 | extern struct regmap *syscon_regmap_lookup_by_phandle( |
25 | struct device_node *np, | |
26 | const char *property); | |
df73de9b PC |
27 | #else |
28 | static inline struct regmap *syscon_node_to_regmap(struct device_node *np) | |
29 | { | |
30 | return ERR_PTR(-ENOSYS); | |
31 | } | |
32 | ||
33 | static inline struct regmap *syscon_regmap_lookup_by_compatible(const char *s) | |
34 | { | |
35 | return ERR_PTR(-ENOSYS); | |
36 | } | |
37 | ||
38 | static inline struct regmap *syscon_regmap_lookup_by_pdevname(const char *s) | |
39 | { | |
40 | return ERR_PTR(-ENOSYS); | |
41 | } | |
42 | ||
43 | static inline struct regmap *syscon_regmap_lookup_by_phandle( | |
44 | struct device_node *np, | |
45 | const char *property) | |
46 | { | |
47 | return ERR_PTR(-ENOSYS); | |
48 | } | |
49 | #endif | |
50 | ||
87d68730 | 51 | #endif /* __LINUX_MFD_SYSCON_H__ */ |