/arch/arm/mach-mmp/clock.h

 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
11struct clkops {
12	void			(*enable)(struct clk *);
13	void			(*disable)(struct clk *);
14	unsigned long		(*getrate)(struct clk *);
15};
16
17struct 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
27extern struct clkops apbc_clk_ops;
28extern struct clkops apmu_clk_ops;
29
30#define APBC_CLK(_name, _reg, _fnclksel, _rate)			\
31struct clk clk_##_name = {					\
32		.clk_rst	= (void __iomem *)APBC_##_reg,	\
33		.fnclksel	= _fnclksel,			\
34		.rate		= _rate,			\
35		.ops		= &apbc_clk_ops,		\
36}
37
38#define APBC_CLK_OPS(_name, _reg, _fnclksel, _rate, _ops)	\
39struct clk clk_##_name = {					\
40		.clk_rst	= (void __iomem *)APBC_##_reg,	\
41		.fnclksel	= _fnclksel,			\
42		.rate		= _rate,			\
43		.ops		= _ops,				\
44}
45
46#define APMU_CLK(_name, _reg, _eval, _rate)			\
47struct clk clk_##_name = {					\
48		.clk_rst	= (void __iomem *)APMU_##_reg,	\
49		.enable_val	= _eval,			\
50		.rate		= _rate,			\
51		.ops		= &apmu_clk_ops,		\
52}
53
54#define APMU_CLK_OPS(_name, _reg, _eval, _rate, _ops)		\
55struct clk clk_##_name = {					\
56		.clk_rst	= (void __iomem *)APMU_##_reg,	\
57		.enable_val	= _eval,			\
58		.rate		= _rate,			\
59		.ops		= _ops,				\
60}
61
62#define INIT_CLKREG(_clk, _devname, _conname)			\
63	{							\
64		.clk		= _clk,				\
65		.dev_id		= _devname,			\
66		.con_id		= _conname,			\
67	}
68
69extern struct clk clk_pxa168_gpio;
70extern struct clk clk_pxa168_timers;