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1 /*
2 * linux/arch/arm/mach-s3c2410/clock.h
3 *
4 * Copyright (c) 2004-2005 Simtec Electronics
5 * http://www.simtec.co.uk/products/SWLINUX/
6 * Written by Ben Dooks, <ben@simtec.co.uk>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13 struct clk {
14 struct list_head list;
15 struct module *owner;
16 struct clk *parent;
17 const char *name;
18 int id;
19 atomic_t used;
20 unsigned long rate;
21 unsigned long ctrlbit;
22 int (*enable)(struct clk *, int enable);
23 };
24
25 /* other clocks which may be registered by board support */
26
27 extern struct clk s3c24xx_dclk0;
28 extern struct clk s3c24xx_dclk1;
29 extern struct clk s3c24xx_clkout0;
30 extern struct clk s3c24xx_clkout1;
31 extern struct clk s3c24xx_uclk;
32
33 /* exports for arch/arm/mach-s3c2410
34 *
35 * Please DO NOT use these outside of arch/arm/mach-s3c2410
36 */
37
38 extern int s3c24xx_clkcon_enable(struct clk *clk, int enable);
39 extern int s3c24xx_register_clock(struct clk *clk);
40
41 extern int s3c24xx_setup_clocks(unsigned long xtal,
42 unsigned long fclk,
43 unsigned long hclk,
44 unsigned long pclk);