2 * linux/arch/arm/mach-versatile/clock.c
4 * Copyright (C) 2004 ARM Limited.
5 * Written by Deep Blue Solutions Limited.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 #include <linux/module.h>
12 #include <linux/kernel.h>
13 #include <linux/device.h>
14 #include <linux/list.h>
15 #include <linux/errno.h>
16 #include <linux/err.h>
17 #include <linux/string.h>
18 #include <linux/clk.h>
19 #include <linux/mutex.h>
21 #include <asm/clkdev.h>
22 #include <asm/hardware/icst307.h>
26 int clk_enable(struct clk *clk)
30 EXPORT_SYMBOL(clk_enable);
32 void clk_disable(struct clk *clk)
35 EXPORT_SYMBOL(clk_disable);
37 unsigned long clk_get_rate(struct clk *clk)
41 EXPORT_SYMBOL(clk_get_rate);
43 long clk_round_rate(struct clk *clk, unsigned long rate)
45 struct icst307_vco vco;
46 vco = icst307_khz_to_vco(clk->params, rate / 1000);
47 return icst307_khz(clk->params, vco) * 1000;
49 EXPORT_SYMBOL(clk_round_rate);
51 int clk_set_rate(struct clk *clk, unsigned long rate)
56 struct icst307_vco vco;
58 vco = icst307_khz_to_vco(clk->params, rate / 1000);
59 clk->rate = icst307_khz(clk->params, vco) * 1000;
60 clk->setvco(clk, vco);
65 EXPORT_SYMBOL(clk_set_rate);