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kernel/linux-imx6_3.14.28/arch/arm/mach-lpc32xx/clock.h 1.05 KB
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  /*
   * arch/arm/mach-lpc32xx/clock.h
   *
   * Author: Kevin Wells <kevin.wells@nxp.com>
   *
   * Copyright (C) 2010 NXP Semiconductors
   *
   * 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.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   */
  
  #ifndef __LPC32XX_CLOCK_H
  #define __LPC32XX_CLOCK_H
  
  struct clk {
  	struct list_head node;
  	struct clk *parent;
  	u32 rate;
  	u32 usecount;
  
  	int (*set_rate) (struct clk *, unsigned long);
  	unsigned long (*round_rate) (struct clk *, unsigned long);
  	unsigned long (*get_rate) (struct clk *clk);
  	int (*enable) (struct clk *, int);
  
  	/* Register address and bit mask for simple clocks */
  	void __iomem *enable_reg;
  	u32 enable_mask;
  };
  
  #endif