1/*
2 *  include/linux/clkdev.h
3 *
4 *  Copyright (C) 2008 Russell King.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Helper for the clk API to assist looking up a struct clk.
11 */
12#ifndef __CLKDEV_H
13#define __CLKDEV_H
14
15#include <asm/clkdev.h>
16
17struct clk;
18struct device;
19
20struct clk_lookup {
21	struct list_head	node;
22	const char		*dev_id;
23	const char		*con_id;
24	struct clk		*clk;
25};
26
27#define CLKDEV_INIT(d, n, c)	\
28	{			\
29		.dev_id = d,	\
30		.con_id = n,	\
31		.clk = c,	\
32	}
33
34struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
35	const char *dev_fmt, ...);
36
37void clkdev_add(struct clk_lookup *cl);
38void clkdev_drop(struct clk_lookup *cl);
39
40void clkdev_add_table(struct clk_lookup *, size_t);
41int clk_add_alias(const char *, const char *, char *, struct device *);
42
43int clk_register_clkdev(struct clk *, const char *, const char *, ...);
44int clk_register_clkdevs(struct clk *, struct clk_lookup *, size_t);
45
46#ifdef CONFIG_COMMON_CLK
47int __clk_get(struct clk *clk);
48void __clk_put(struct clk *clk);
49#endif
50
51#endif
52