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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 | ||
3d237990 TB |
18 | #include <linux/err.h> |
19 | ||
5fb1c2dd SN |
20 | struct device_node; |
21 | ||
df73de9b | 22 | #ifdef CONFIG_MFD_SYSCON |
87d68730 DA |
23 | extern struct regmap *syscon_node_to_regmap(struct device_node *np); |
24 | extern struct regmap *syscon_regmap_lookup_by_compatible(const char *s); | |
5ab3a89a | 25 | extern struct regmap *syscon_regmap_lookup_by_pdevname(const char *s); |
87d68730 DA |
26 | extern struct regmap *syscon_regmap_lookup_by_phandle( |
27 | struct device_node *np, | |
28 | const char *property); | |
df73de9b PC |
29 | #else |
30 | static inline struct regmap *syscon_node_to_regmap(struct device_node *np) | |
31 | { | |
32 | return ERR_PTR(-ENOSYS); | |
33 | } | |
34 | ||
35 | static inline struct regmap *syscon_regmap_lookup_by_compatible(const char *s) | |
36 | { | |
37 | return ERR_PTR(-ENOSYS); | |
38 | } | |
39 | ||
40 | static inline struct regmap *syscon_regmap_lookup_by_pdevname(const char *s) | |
41 | { | |
42 | return ERR_PTR(-ENOSYS); | |
43 | } | |
44 | ||
45 | static inline struct regmap *syscon_regmap_lookup_by_phandle( | |
46 | struct device_node *np, | |
47 | const char *property) | |
48 | { | |
49 | return ERR_PTR(-ENOSYS); | |
50 | } | |
51 | #endif | |
52 | ||
87d68730 | 53 | #endif /* __LINUX_MFD_SYSCON_H__ */ |