2 * SH-Mobile Clock Framework
4 * Copyright (C) 2010 Magnus Damm
6 * Used together with arch/arm/common/clkdev.c and drivers/sh/clk.c.
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.
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.
18 #include <linux/kernel.h>
19 #include <linux/init.h>
21 #ifdef CONFIG_COMMON_CLK
22 #include <linux/clk.h>
23 #include <linux/clkdev.h>
26 void __init shmobile_clk_workaround(const struct clk_name *clks,
27 int nr_clks, bool enable)
29 const struct clk_name *clkn;
33 for (i = 0; i < nr_clks; ++i) {
35 clk = clk_get(NULL, clkn->clk);
37 clk_register_clkdev(clk, clkn->con_id, clkn->dev_id);
39 clk_prepare_enable(clk);
45 #else /* CONFIG_COMMON_CLK */
46 #include <linux/sh_clk.h>
47 #include <linux/export.h>
51 unsigned long shmobile_fixed_ratio_clk_recalc(struct clk *clk)
53 struct clk_ratio *p = clk->priv;
55 return clk->parent->rate / p->div * p->mul;
58 struct sh_clk_ops shmobile_fixed_ratio_clk_ops = {
59 .recalc = shmobile_fixed_ratio_clk_recalc,
62 int __init shmobile_clk_init(void)
64 /* Kick the child clocks.. */
65 recalculate_root_clocks();
67 /* Enable the necessary init clocks */
68 clk_enable_init_clocks();
73 int __clk_get(struct clk *clk)
77 EXPORT_SYMBOL(__clk_get);
79 void __clk_put(struct clk *clk)
82 EXPORT_SYMBOL(__clk_put);
84 #endif /* CONFIG_COMMON_CLK */