Commit | Line | Data |
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1da177e4 | 1 | /* |
f4b8b319 | 2 | * linux/arch/arm/plat-versatile/clock.c |
1da177e4 LT |
3 | * |
4 | * Copyright (C) 2004 ARM Limited. | |
5 | * Written by Deep Blue Solutions Limited. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | #include <linux/module.h> | |
12 | #include <linux/kernel.h> | |
1da177e4 | 13 | #include <linux/errno.h> |
f8ce2547 | 14 | #include <linux/clk.h> |
00431707 | 15 | #include <linux/mutex.h> |
1da177e4 | 16 | |
c5a0adb5 | 17 | #include <asm/hardware/icst.h> |
f4b8b319 | 18 | |
d72fbdf0 | 19 | #include <mach/clkdev.h> |
1da177e4 LT |
20 | |
21 | int clk_enable(struct clk *clk) | |
22 | { | |
23 | return 0; | |
24 | } | |
25 | EXPORT_SYMBOL(clk_enable); | |
26 | ||
27 | void clk_disable(struct clk *clk) | |
28 | { | |
29 | } | |
30 | EXPORT_SYMBOL(clk_disable); | |
31 | ||
1da177e4 LT |
32 | unsigned long clk_get_rate(struct clk *clk) |
33 | { | |
34 | return clk->rate; | |
35 | } | |
36 | EXPORT_SYMBOL(clk_get_rate); | |
37 | ||
38 | long clk_round_rate(struct clk *clk, unsigned long rate) | |
39 | { | |
9bf5b2ef RK |
40 | long ret = -EIO; |
41 | if (clk->ops && clk->ops->round) | |
42 | ret = clk->ops->round(clk, rate); | |
43 | return ret; | |
1da177e4 LT |
44 | } |
45 | EXPORT_SYMBOL(clk_round_rate); | |
46 | ||
47 | int clk_set_rate(struct clk *clk, unsigned long rate) | |
48 | { | |
49 | int ret = -EIO; | |
9bf5b2ef RK |
50 | if (clk->ops && clk->ops->set) |
51 | ret = clk->ops->set(clk, rate); | |
d72fbdf0 | 52 | return ret; |
1da177e4 LT |
53 | } |
54 | EXPORT_SYMBOL(clk_set_rate); | |
9bf5b2ef RK |
55 | |
56 | long icst_clk_round(struct clk *clk, unsigned long rate) | |
57 | { | |
58 | struct icst_vco vco; | |
59 | vco = icst_hz_to_vco(clk->params, rate); | |
60 | return icst_hz(clk->params, vco); | |
61 | } | |
62 | EXPORT_SYMBOL(icst_clk_round); | |
63 | ||
64 | int icst_clk_set(struct clk *clk, unsigned long rate) | |
65 | { | |
66 | struct icst_vco vco; | |
67 | ||
68 | vco = icst_hz_to_vco(clk->params, rate); | |
69 | clk->rate = icst_hz(clk->params, vco); | |
70 | clk->ops->setvco(clk, vco); | |
71 | ||
72 | return 0; | |
73 | } | |
74 | EXPORT_SYMBOL(icst_clk_set); |