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/*
* Preliminary clock framework support for sh7367
*
* Copyright (C) 2010 Magnus Damm
*
* 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/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/clk.h>
struct clk {
const char *name;
unsigned long rate;
};
#include <asm/clkdev.h>
int __clk_get(struct clk *clk)
{
return 1;
}
EXPORT_SYMBOL(__clk_get);
void __clk_put(struct clk *clk)
{
}
EXPORT_SYMBOL(__clk_put);
int clk_enable(struct clk *clk)
{
return 0;
}
EXPORT_SYMBOL(clk_enable);
void clk_disable(struct clk *clk)
{
}
EXPORT_SYMBOL(clk_disable);
unsigned long clk_get_rate(struct clk *clk)
{
return clk ? clk->rate : 0;
}
EXPORT_SYMBOL(clk_get_rate);
/* a static peripheral clock for now - enough to get sh-sci working */
static struct clk peripheral_clk = {
.name = "peripheral_clk",
.rate = 48000000,
};
/* a static rclk for now - enough to get sh_cmt working */
static struct clk r_clk = {
.name = "r_clk",
.rate = 32768,
};
/* a static usb0 for now - enough to get r8a66597 working */
static struct clk usb0_clk = {
.name = "usb0",
};
/* a static keysc0 clk for now - enough to get sh_keysc working */
static struct clk keysc0_clk = {
.name = "keysc0",
};
static struct clk_lookup lookups[] = {
{
.clk = &peripheral_clk,
}, {
.clk = &r_clk,
}, {
.clk = &usb0_clk,
}, {
.clk = &keysc0_clk,
}
};
void __init sh7367_clock_init(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(lookups); i++) {
lookups[i].con_id = lookups[i].clk->name;
clkdev_add(&lookups[i]);
}
}
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