diff options
Diffstat (limited to 'arch/arm/mach-mmp/clock.h')
-rw-r--r-- | arch/arm/mach-mmp/clock.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/clock.h b/arch/arm/mach-mmp/clock.h new file mode 100644 index 000000000000..ed967e78e6a8 --- /dev/null +++ b/arch/arm/mach-mmp/clock.h | |||
@@ -0,0 +1,71 @@ | |||
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); | ||