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kernel/linux-imx6_3.14.28/arch/arm/mach-pxa/clock.h 1.9 KB
6b13f685e   김민수   BSP 최초 추가
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  #include <linux/clkdev.h>
  #include <linux/syscore_ops.h>
  
  struct clkops {
  	void			(*enable)(struct clk *);
  	void			(*disable)(struct clk *);
  	unsigned long		(*getrate)(struct clk *);
  	int			(*setrate)(struct clk *, unsigned long);
  };
  
  struct clk {
  	const struct clkops	*ops;
  	unsigned long		rate;
  	unsigned int		cken;
  	unsigned int		delay;
  	unsigned int		enabled;
  };
  
  void clk_dummy_enable(struct clk *);
  void clk_dummy_disable(struct clk *);
  
  extern const struct clkops clk_dummy_ops;
  extern struct clk clk_dummy;
  
  #define INIT_CLKREG(_clk,_devname,_conname)		\
  	{						\
  		.clk		= _clk,			\
  		.dev_id		= _devname,		\
  		.con_id		= _conname,		\
  	}
  
  #define DEFINE_CK(_name, _cken, _ops)			\
  struct clk clk_##_name = {				\
  		.ops	= _ops,				\
  		.cken	= CKEN_##_cken,			\
  	}
  
  #define DEFINE_CLK(_name, _ops, _rate, _delay)		\
  struct clk clk_##_name = {				\
  		.ops	= _ops, 			\
  		.rate	= _rate,			\
  		.delay	= _delay,			\
  	}
  
  #define DEFINE_PXA2_CKEN(_name, _cken, _rate, _delay)	\
  struct clk clk_##_name = {				\
  		.ops	= &clk_pxa2xx_cken_ops,		\
  		.rate	= _rate,			\
  		.cken	= CKEN_##_cken,			\
  		.delay	= _delay,			\
  	}
  
  extern const struct clkops clk_pxa2xx_cken_ops;
  
  void clk_pxa2xx_cken_enable(struct clk *clk);
  void clk_pxa2xx_cken_disable(struct clk *clk);
  
  extern struct syscore_ops pxa2xx_clock_syscore_ops;
  
  #if defined(CONFIG_PXA3xx)
  #define DEFINE_PXA3_CKEN(_name, _cken, _rate, _delay)	\
  struct clk clk_##_name = {				\
  		.ops	= &clk_pxa3xx_cken_ops,		\
  		.rate	= _rate,			\
  		.cken	= CKEN_##_cken,			\
  		.delay	= _delay,			\
  	}
  
  extern const struct clkops clk_pxa3xx_cken_ops;
  extern const struct clkops clk_pxa3xx_hsio_ops;
  extern const struct clkops clk_pxa3xx_ac97_ops;
  extern const struct clkops clk_pxa3xx_pout_ops;
  extern const struct clkops clk_pxa3xx_smemc_ops;
  
  extern void clk_pxa3xx_cken_enable(struct clk *);
  extern void clk_pxa3xx_cken_disable(struct clk *);
  
  extern struct syscore_ops pxa3xx_clock_syscore_ops;
  
  #endif