74 lines
		
	
	
	
		
			1.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
	
		
			1.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 *  linux/arch/arm/plat-versatile/clock.c
 | 
						|
 *
 | 
						|
 *  Copyright (C) 2004 ARM Limited.
 | 
						|
 *  Written by Deep Blue Solutions Limited.
 | 
						|
 *
 | 
						|
 * 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/module.h>
 | 
						|
#include <linux/kernel.h>
 | 
						|
#include <linux/errno.h>
 | 
						|
#include <linux/clk.h>
 | 
						|
#include <linux/mutex.h>
 | 
						|
 | 
						|
#include <asm/hardware/icst.h>
 | 
						|
 | 
						|
#include <mach/clkdev.h>
 | 
						|
 | 
						|
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);
 | 
						|
 | 
						|
long clk_round_rate(struct clk *clk, unsigned long rate)
 | 
						|
{
 | 
						|
	long ret = -EIO;
 | 
						|
	if (clk->ops && clk->ops->round)
 | 
						|
		ret = clk->ops->round(clk, rate);
 | 
						|
	return ret;
 | 
						|
}
 | 
						|
EXPORT_SYMBOL(clk_round_rate);
 | 
						|
 | 
						|
int clk_set_rate(struct clk *clk, unsigned long rate)
 | 
						|
{
 | 
						|
	int ret = -EIO;
 | 
						|
	if (clk->ops && clk->ops->set)
 | 
						|
		ret = clk->ops->set(clk, rate);
 | 
						|
	return ret;
 | 
						|
}
 | 
						|
EXPORT_SYMBOL(clk_set_rate);
 | 
						|
 | 
						|
long icst_clk_round(struct clk *clk, unsigned long rate)
 | 
						|
{
 | 
						|
	struct icst_vco vco;
 | 
						|
	vco = icst_hz_to_vco(clk->params, rate);
 | 
						|
	return icst_hz(clk->params, vco);
 | 
						|
}
 | 
						|
EXPORT_SYMBOL(icst_clk_round);
 | 
						|
 | 
						|
int icst_clk_set(struct clk *clk, unsigned long rate)
 | 
						|
{
 | 
						|
	struct icst_vco vco;
 | 
						|
 | 
						|
	vco = icst_hz_to_vco(clk->params, rate);
 | 
						|
	clk->rate = icst_hz(clk->params, vco);
 | 
						|
	clk->ops->setvco(clk, vco);
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
EXPORT_SYMBOL(icst_clk_set);
 |