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/*
* $Id$
*
* ADM5120 minimal CLK API implementation
*
* Copyright (C) 2007 OpenWrt.org
* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
*
* This file was based on the CLK API implementation in:
* arch/mips/tx4938/toshiba_rbtx4938/setup.c
* Copyright (C) 2000-2001 Toshiba Corporation
* 2003-2005 (c) MontaVista Software, Inc.
*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* 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 Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <asm/mach-adm5120/adm5120_defs.h>
struct clk {
unsigned long rate;
};
static struct clk uart_clk = {
.rate = ADM5120_UART_CLOCK
};
struct clk *clk_get(struct device *dev, const char *id)
{
if (!strcmp(id, "UARTCLK"))
return &uart_clk;
return ERR_PTR(-ENOENT);
}
EXPORT_SYMBOL(clk_get);
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->rate;
}
EXPORT_SYMBOL(clk_get_rate);
void clk_put(struct clk *clk)
{
}
EXPORT_SYMBOL(clk_put);
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