projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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__ */ |