summaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/clock.h
blob: 3a258b1bf1aa46f39d255cb81a2643b667394192 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
#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) || defined(CONFIG_PXA95x)
#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