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kernel/linux-imx6_3.14.28/arch/arm/mach-at91/clock.h 1.1 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * linux/arch/arm/mach-at91/clock.h
   *
   * 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.
   */
  
  #include <linux/clkdev.h>
  
  #define CLK_TYPE_PRIMARY	0x1
  #define CLK_TYPE_PLL		0x2
  #define CLK_TYPE_PROGRAMMABLE	0x4
  #define CLK_TYPE_PERIPHERAL	0x8
  #define CLK_TYPE_SYSTEM		0x10
  
  
  struct clk {
  	struct list_head node;
  	const char	*name;		/* unique clock name */
  	struct clk_lookup cl;
  	unsigned long	rate_hz;
  	unsigned	div;		/* parent clock divider */
  	struct clk	*parent;
  	unsigned	pid;		/* peripheral ID */
  	u32		pmc_mask;
  	void		(*mode)(struct clk *, int);
  	unsigned	id:3;		/* PCK0..4, or 32k/main/a/b */
  	unsigned	type;		/* clock type */
  	u16		users;
  };
  
  
  extern int __init clk_register(struct clk *clk);
  extern struct clk mck;
  extern struct clk utmi_clk;
  
  #define CLKDEV_CON_ID(_id, _clk)			\
  	{						\
  		.con_id = _id,				\
  		.clk = _clk,				\
  	}
  
  #define CLKDEV_CON_DEV_ID(_con_id, _dev_id, _clk)	\
  	{						\
  		.con_id = _con_id,			\
  		.dev_id = _dev_id,			\
  		.clk = _clk,				\
  	}