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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 | 18 | #include <linux/err.h> |
adae28c5 | 19 | #include <linux/errno.h> |
3d237990 | 20 | |
5fb1c2dd SN |
21 | struct device_node; |
22 | ||
df73de9b | 23 | #ifdef CONFIG_MFD_SYSCON |
87d68730 DA |
24 | extern struct regmap *syscon_node_to_regmap(struct device_node *np); |
25 | extern struct regmap *syscon_regmap_lookup_by_compatible(const char *s); | |
5ab3a89a | 26 | extern struct regmap *syscon_regmap_lookup_by_pdevname(const char *s); |
87d68730 DA |
27 | extern struct regmap *syscon_regmap_lookup_by_phandle( |
28 | struct device_node *np, | |
29 | const char *property); | |
df73de9b PC |
30 | #else |
31 | static inline struct regmap *syscon_node_to_regmap(struct device_node *np) | |
32 | { | |
8c037e0c | 33 | return ERR_PTR(-ENOTSUPP); |
df73de9b PC |
34 | } |
35 | ||
36 | static inline struct regmap *syscon_regmap_lookup_by_compatible(const char *s) | |
37 | { | |
8c037e0c | 38 | return ERR_PTR(-ENOTSUPP); |
df73de9b PC |
39 | } |
40 | ||
41 | static inline struct regmap *syscon_regmap_lookup_by_pdevname(const char *s) | |
42 | { | |
8c037e0c | 43 | return ERR_PTR(-ENOTSUPP); |
df73de9b PC |
44 | } |
45 | ||
46 | static inline struct regmap *syscon_regmap_lookup_by_phandle( | |
47 | struct device_node *np, | |
48 | const char *property) | |
49 | { | |
8c037e0c | 50 | return ERR_PTR(-ENOTSUPP); |
df73de9b PC |
51 | } |
52 | #endif | |
53 | ||
87d68730 | 54 | #endif /* __LINUX_MFD_SYSCON_H__ */ |