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kernel/linux-imx6_3.14.28/include/linux/clkdev.h 1.15 KB
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  /*
   *  include/linux/clkdev.h
   *
   *  Copyright (C) 2008 Russell King.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   * Helper for the clk API to assist looking up a struct clk.
   */
  #ifndef __CLKDEV_H
  #define __CLKDEV_H
  
  #include <asm/clkdev.h>
  
  struct clk;
  struct device;
  
  struct clk_lookup {
  	struct list_head	node;
  	const char		*dev_id;
  	const char		*con_id;
  	struct clk		*clk;
  };
  
  #define CLKDEV_INIT(d, n, c)	\
  	{			\
  		.dev_id = d,	\
  		.con_id = n,	\
  		.clk = c,	\
  	}
  
  struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
  	const char *dev_fmt, ...);
  
  void clkdev_add(struct clk_lookup *cl);
  void clkdev_drop(struct clk_lookup *cl);
  
  void clkdev_add_table(struct clk_lookup *, size_t);
  int clk_add_alias(const char *, const char *, char *, struct device *);
  
  int clk_register_clkdev(struct clk *, const char *, const char *, ...);
  int clk_register_clkdevs(struct clk *, struct clk_lookup *, size_t);
  
  #ifdef CONFIG_COMMON_CLK
  int __clk_get(struct clk *clk);
  void __clk_put(struct clk *clk);
  #endif
  
  #endif