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e47bb515 | 1 | /* |
3572b33e | 2 | * SH-Mobile Clock Framework |
e47bb515 MD |
3 | * |
4 | * Copyright (C) 2010 Magnus Damm | |
5 | * | |
3572b33e MD |
6 | * Used together with arch/arm/common/clkdev.c and drivers/sh/clk.c. |
7 | * | |
e47bb515 MD |
8 | * This program is free software; you can redistribute it and/or modify |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; version 2 of the License. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | * | |
21 | */ | |
22 | #include <linux/kernel.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/sh_clk.h> | |
dc28094b | 25 | #include <linux/export.h> |
f5942c76 KM |
26 | #include <mach/clock.h> |
27 | #include <mach/common.h> | |
28 | ||
29 | unsigned long shmobile_fixed_ratio_clk_recalc(struct clk *clk) | |
30 | { | |
31 | struct clk_ratio *p = clk->priv; | |
32 | ||
33 | return clk->parent->rate / p->div * p->mul; | |
34 | }; | |
35 | ||
36 | struct sh_clk_ops shmobile_fixed_ratio_clk_ops = { | |
37 | .recalc = shmobile_fixed_ratio_clk_recalc, | |
38 | }; | |
e47bb515 | 39 | |
6b6a4c06 | 40 | int __init shmobile_clk_init(void) |
e47bb515 MD |
41 | { |
42 | /* Kick the child clocks.. */ | |
43 | recalculate_root_clocks(); | |
44 | ||
45 | /* Enable the necessary init clocks */ | |
46 | clk_enable_init_clocks(); | |
47 | ||
48 | return 0; | |
49 | } | |
50 | ||
51 | int __clk_get(struct clk *clk) | |
52 | { | |
53 | return 1; | |
54 | } | |
55 | EXPORT_SYMBOL(__clk_get); | |
56 | ||
57 | void __clk_put(struct clk *clk) | |
58 | { | |
59 | } | |
60 | EXPORT_SYMBOL(__clk_put); |