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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; |
71 |
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