016ae94691c04cd42838c9b0af352b68a6e7cacc
[linux-2.6.git] / 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
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 extern struct clkops apmu_clk_ops;
29
30 #define APBC_CLK(_name, _reg, _fnclksel, _rate)                 \
31 struct 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)       \
39 struct 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)                     \
47 struct 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)           \
55 struct 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
69 extern struct clk clk_pxa168_gpio;
70 extern struct clk clk_pxa168_timers;