77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
/*
|
|
* $Id$
|
|
*
|
|
* ADM5120 minimal CLK API implementation
|
|
*
|
|
* Copyright (C) 2007 OpenWrt.org
|
|
* Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
|
|
*
|
|
* 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);
|