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/*
* ADM5120 minimal CLK API implementation
*
* Copyright (C) 2007-2008 Gabor Juhos <juhosg@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 version 2 as published
* by the Free Software Foundation.
*
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/device.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)
{
const char *name = dev_name(dev);
if (!strcmp(name, "apb:uart0") || !strcmp(name, "apb:uart1"))
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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