[deliverable/linux.git] / arch / arm / mach-shmobile / clock.c

/*
 * SH-Mobile Clock Framework
 *
 * Copyright (C) 2010  Magnus Damm
 *
 * Used together with arch/arm/common/clkdev.c and drivers/sh/clk.c.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/sh_clk.h>
#include <linux/export.h>
#include <mach/clock.h>
#include <mach/common.h>

unsigned long shmobile_fixed_ratio_clk_recalc(struct clk *clk)
{
	struct clk_ratio *p = clk->priv;

	return clk->parent->rate / p->div * p->mul;
};

struct sh_clk_ops shmobile_fixed_ratio_clk_ops = {
	.recalc	= shmobile_fixed_ratio_clk_recalc,
};

int __init shmobile_clk_init(void)
{
	/* Kick the child clocks.. */
	recalculate_root_clocks();

	/* Enable the necessary init clocks */
	clk_enable_init_clocks();

	return 0;
}

int __clk_get(struct clk *clk)
{
	return 1;
}
EXPORT_SYMBOL(__clk_get);

void __clk_put(struct clk *clk)
{
}
EXPORT_SYMBOL(__clk_put);
Commit	Line	Data
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.
3572b33e MD	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);