1 /*
2  *  This program is free software; you can redistribute it and/or modify
3  *  it under the terms of the GNU General Public License version 2 as
4  *  published by the Free Software Foundation.
5  */
6 
7 #include <linux/clkdev.h>
8 
9 struct clkops {
10 	void			(*enable)(struct clk *);
11 	void			(*disable)(struct clk *);
12 	unsigned long		(*getrate)(struct clk *);
13 	int			(*setrate)(struct clk *, unsigned long);
14 };
15 
16 struct clk {
17 	const struct clkops	*ops;
18 
19 	void __iomem	*clk_rst;	/* clock reset control register */
20 	int		fnclksel;	/* functional clock select (APBC) */
21 	uint32_t	enable_val;	/* value for clock enable (APMU) */
22 	unsigned long	rate;
23 	int		enabled;
24 };
25 
26 extern struct clkops apbc_clk_ops;
27 extern struct clkops apmu_clk_ops;
28 
29 #define APBC_CLK(_name, _reg, _fnclksel, _rate)			\
30 struct clk clk_##_name = {					\
31 		.clk_rst	= 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	= 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	= 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	= 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