| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 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 | |
| 18 | #include <linux/err.h> |
| 19 | #include <linux/errno.h> |
| 20 | |
| 21 | struct device_node; |
| 22 | |
| 23 | #ifdef CONFIG_MFD_SYSCON |
| 24 | extern struct regmap *syscon_node_to_regmap(struct device_node *np); |
| 25 | extern struct regmap *syscon_regmap_lookup_by_compatible(const char *s); |
| 26 | extern struct regmap *syscon_regmap_lookup_by_pdevname(const char *s); |
| 27 | extern struct regmap *syscon_regmap_lookup_by_phandle( |
| 28 | struct device_node *np, |
| 29 | const char *property); |
| 30 | #else |
| 31 | static inline struct regmap *syscon_node_to_regmap(struct device_node *np) |
| 32 | { |
| 33 | return ERR_PTR(-ENOTSUPP); |
| 34 | } |
| 35 | |
| 36 | static inline struct regmap *syscon_regmap_lookup_by_compatible(const char *s) |
| 37 | { |
| 38 | return ERR_PTR(-ENOTSUPP); |
| 39 | } |
| 40 | |
| 41 | static inline struct regmap *syscon_regmap_lookup_by_pdevname(const char *s) |
| 42 | { |
| 43 | return ERR_PTR(-ENOTSUPP); |
| 44 | } |
| 45 | |
| 46 | static inline struct regmap *syscon_regmap_lookup_by_phandle( |
| 47 | struct device_node *np, |
| 48 | const char *property) |
| 49 | { |
| 50 | return ERR_PTR(-ENOTSUPP); |
| 51 | } |
| 52 | #endif |
| 53 | |
| 54 | #endif /* __LINUX_MFD_SYSCON_H__ */ |