/*
   * System Control Driver
   *
   * Copyright (C) 2012 Freescale Semiconductor, Inc.
   * Copyright (C) 2012 Linaro Ltd.
   *
   * Author: Dong Aisheng <dong.aisheng@linaro.org>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   */
  
  #ifndef __LINUX_MFD_SYSCON_H__
  #define __LINUX_MFD_SYSCON_H__

  #include <linux/err.h>

  #include <linux/errno.h>

  struct device_node;

  #ifdef CONFIG_MFD_SYSCON

  extern struct regmap *syscon_node_to_regmap(struct device_node *np);
  extern struct regmap *syscon_regmap_lookup_by_compatible(const char *s);

  extern struct regmap *syscon_regmap_lookup_by_pdevname(const char *s);

  extern struct regmap *syscon_regmap_lookup_by_phandle(
  					struct device_node *np,
  					const char *property);

  #else
  static inline struct regmap *syscon_node_to_regmap(struct device_node *np)
  {

  	return ERR_PTR(-ENOTSUPP);

  }
  
  static inline struct regmap *syscon_regmap_lookup_by_compatible(const char *s)
  {

  	return ERR_PTR(-ENOTSUPP);

  }
  
  static inline struct regmap *syscon_regmap_lookup_by_pdevname(const char *s)
  {

  	return ERR_PTR(-ENOTSUPP);

  }
  
  static inline struct regmap *syscon_regmap_lookup_by_phandle(
  					struct device_node *np,
  					const char *property)
  {

  	return ERR_PTR(-ENOTSUPP);

  }
  #endif

  #endif /* __LINUX_MFD_SYSCON_H__ */