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gerrit-public.fairphone.software / kernel / msm-4.19 / a341305e94982c66a2e94125a24b860605da9066 / . / arch / arm / mach-s3c2410 / clock.h
blob: 01bb458bf8eb9482d23d6d408e08bbba4fb0c228 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]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
13struct clk {
14 struct list_head list;
15 struct module *owner;
16 struct clk *parent;
17 const char *name;
18 int id;
Ben Dooks2a513ce2006-02-08 21:09:05 +0000[diff] [blame]19 int usage;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]20 unsigned long rate;
21 unsigned long ctrlbit;
Ben Dooksd3468da2006-03-20 17:10:04 +0000[diff] [blame]22
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]23 int (*enable)(struct clk *, int enable);
Ben Dooks6e8908e2006-03-20 21:00:08 +0000[diff] [blame]24 int (*set_rate)(struct clk *c, unsigned long rate);
25 unsigned long (*round_rate)(struct clk *c, unsigned long rate);
Ben Dooksd3468da2006-03-20 17:10:04 +0000[diff] [blame]26 int (*set_parent)(struct clk *c, struct clk *parent);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]27};
28
29/* other clocks which may be registered by board support */
30
31extern struct clk s3c24xx_dclk0;
32extern struct clk s3c24xx_dclk1;
33extern struct clk s3c24xx_clkout0;
34extern struct clk s3c24xx_clkout1;
35extern struct clk s3c24xx_uclk;
36
Ben Dooks36c64af2006-03-20 21:00:48 +0000[diff] [blame]37extern struct clk clk_usb_bus;
38
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]39/* exports for arch/arm/mach-s3c2410
40 *
41 * Please DO NOT use these outside of arch/arm/mach-s3c2410
42*/
43
Ben Dooks36c64af2006-03-20 21:00:48 +0000[diff] [blame]44extern struct mutex clocks_mutex;
45
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]46extern int s3c24xx_clkcon_enable(struct clk *clk, int enable);
47extern int s3c24xx_register_clock(struct clk *clk);
48
49extern int s3c24xx_setup_clocks(unsigned long xtal,
50 unsigned long fclk,
51 unsigned long hclk,
52 unsigned long pclk);