Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.19 / 99c13853ffa26dd6527995b3f47548e075f201fb / . / arch / arm / mach-s3c2410 / clock.h
blob: 1bee5708c354c37501181c29c5a8eb5c3246960f [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
Ben Dooks99c13852006-06-22 22:18:20 +0100[diff] [blame^]39/* core clock support */
40
41extern struct clk clk_f;
42extern struct clk clk_h;
43extern struct clk clk_p;
44extern struct clk clk_upll;
45
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]46/* exports for arch/arm/mach-s3c2410
47 *
48 * Please DO NOT use these outside of arch/arm/mach-s3c2410
49*/
50
Ben Dooks36c64af2006-03-20 21:00:48 +0000[diff] [blame]51extern struct mutex clocks_mutex;
52
Ben Dooks99c13852006-06-22 22:18:20 +0100[diff] [blame^]53extern int s3c2410_clkcon_enable(struct clk *clk, int enable);
54
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]55extern int s3c24xx_register_clock(struct clk *clk);
56
57extern int s3c24xx_setup_clocks(unsigned long xtal,
58 unsigned long fclk,
59 unsigned long hclk,
60 unsigned long pclk);