[linux-2.6-block.git] / arch / arm / mach-mmp / clock.h

/*
 *  linux/arch/arm/mach-mmp/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 <asm/clkdev.h>

struct clkops {
	void			(*enable)(struct clk *);
	void			(*disable)(struct clk *);
	unsigned long		(*getrate)(struct clk *);
};

struct clk {
	const struct clkops	*ops;

	void __iomem	*clk_rst;	/* clock reset control register */
	int		fnclksel;	/* functional clock select (APBC) */
	uint32_t	enable_val;	/* value for clock enable (APMU) */
	unsigned long	rate;
	int		enabled;
};

extern struct clkops apbc_clk_ops;

#define APBC_CLK(_name, _reg, _fnclksel, _rate)			\
struct clk clk_##_name = {					\
		.clk_rst	= (void __iomem *)APBC_##_reg,	\
		.fnclksel	= _fnclksel,			\
		.rate		= _rate,			\
		.ops		= &apbc_clk_ops,		\
}

#define APBC_CLK_OPS(_name, _reg, _fnclksel, _rate, _ops)	\
struct clk clk_##_name = {					\
		.clk_rst	= (void __iomem *)APBC_##_reg,	\
		.fnclksel	= _fnclksel,			\
		.rate		= _rate,			\
		.ops		= _ops,				\
}

#define APMU_CLK(_name, _reg, _eval, _rate)			\
struct clk clk_##_name = {					\
		.clk_rst	= (void __iomem *)APMU_##_reg,	\
		.enable_val	= _eval,			\
		.rate		= _rate,			\
		.ops		= &apmu_clk_ops,		\
}

#define APMU_CLK_OPS(_name, _reg, _eval, _rate, _ops)		\
struct clk clk_##_name = {					\
		.clk_rst	= (void __iomem *)APMU_##_reg,	\
		.enable_val	= _eval,			\
		.rate		= _rate,			\
		.ops		= _ops,				\
}

#define INIT_CLKREG(_clk, _devname, _conname)			\
	{							\
		.clk		= _clk,				\
		.dev_id		= _devname,			\
		.con_id		= _conname,			\
	}

extern struct clk clk_pxa168_gpio;
extern struct clk clk_pxa168_timers;

extern void clks_register(struct clk_lookup *, size_t);
Commit	Line	Data
49cbe786 EM	1	/*
	2	* linux/arch/arm/mach-mmp/clock.h
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*/
	8
	9	#include <asm/clkdev.h>
	10
	11	struct clkops {
	12	void (enable)(struct clk );
	13	void (disable)(struct clk );
	14	unsigned long (getrate)(struct clk );
	15	};
	16
	17	struct clk {
	18	const struct clkops *ops;
	19
	20	void __iomem clk_rst; / clock reset control register */
	21	int fnclksel; /* functional clock select (APBC) */
	22	uint32_t enable_val; /* value for clock enable (APMU) */
	23	unsigned long rate;
	24	int enabled;
	25	};
	26
	27	extern struct clkops apbc_clk_ops;
	28
	29	#define APBC_CLK(_name, _reg, _fnclksel, _rate) \
	30	struct clk clk_##_name = { \
	31	.clk_rst = (void __iomem *)APBC_##_reg, \
	32	.fnclksel = _fnclksel, \
	33	.rate = _rate, \
	34	.ops = &apbc_clk_ops, \
	35	}
	36
	37	#define APBC_CLK_OPS(_name, _reg, _fnclksel, _rate, _ops) \
	38	struct clk clk_##_name = { \
	39	.clk_rst = (void __iomem *)APBC_##_reg, \
	40	.fnclksel = _fnclksel, \
	41	.rate = _rate, \
	42	.ops = _ops, \
	43	}
	44
	45	#define APMU_CLK(_name, _reg, _eval, _rate) \
	46	struct clk clk_##_name = { \
	47	.clk_rst = (void __iomem *)APMU_##_reg, \
	48	.enable_val = _eval, \
	49	.rate = _rate, \
	50	.ops = &apmu_clk_ops, \
	51	}
	52
	53	#define APMU_CLK_OPS(_name, _reg, _eval, _rate, _ops) \
	54	struct clk clk_##_name = { \
	55	.clk_rst = (void __iomem *)APMU_##_reg, \
	56	.enable_val = _eval, \
	57	.rate = _rate, \
	58	.ops = _ops, \
	59	}
	60
	61	#define INIT_CLKREG(_clk, _devname, _conname) \
	62	{ \
	63	.clk = _clk, \
	64	.dev_id = _devname, \
65	.con_id = _conname, \
66	}
67
68	extern struct clk clk_pxa168_gpio;
69	extern struct clk clk_pxa168_timers;
70
71	extern void clks_register(struct clk_lookup *, size_t);