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53 lines
1.4 KiB
53 lines
1.4 KiB
/* |
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* System Control Driver |
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* |
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* Copyright (C) 2012 Freescale Semiconductor, Inc. |
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* Copyright (C) 2012 Linaro Ltd. |
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* |
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* Author: Dong Aisheng <dong.aisheng@linaro.org> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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*/ |
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#ifndef __LINUX_MFD_SYSCON_H__ |
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#define __LINUX_MFD_SYSCON_H__ |
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#include <linux/err.h> |
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struct device_node; |
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#ifdef CONFIG_MFD_SYSCON |
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extern struct regmap *syscon_node_to_regmap(struct device_node *np); |
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extern struct regmap *syscon_regmap_lookup_by_compatible(const char *s); |
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extern struct regmap *syscon_regmap_lookup_by_pdevname(const char *s); |
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extern struct regmap *syscon_regmap_lookup_by_phandle( |
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struct device_node *np, |
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const char *property); |
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#else |
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static inline struct regmap *syscon_node_to_regmap(struct device_node *np) |
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{ |
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return ERR_PTR(-ENOSYS); |
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} |
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static inline struct regmap *syscon_regmap_lookup_by_compatible(const char *s) |
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{ |
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return ERR_PTR(-ENOSYS); |
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} |
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static inline struct regmap *syscon_regmap_lookup_by_pdevname(const char *s) |
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{ |
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return ERR_PTR(-ENOSYS); |
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} |
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static inline struct regmap *syscon_regmap_lookup_by_phandle( |
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struct device_node *np, |
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const char *property) |
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{ |
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return ERR_PTR(-ENOSYS); |
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} |
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#endif |
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#endif /* __LINUX_MFD_SYSCON_H__ */
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