1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 *  include/linux/clkdev.h
4 *
5 *  Copyright (C) 2008 Russell King.
6 *
7 * Helper for the clk API to assist looking up a struct clk.
8 */
9#ifndef __CLKDEV_H
10#define __CLKDEV_H
11
12#include <linux/slab.h>
13
14struct clk;
15struct clk_hw;
16struct device;
17
18struct clk_lookup {
19	struct list_head	node;
20	const char		*dev_id;
21	const char		*con_id;
22	struct clk		*clk;
23	struct clk_hw		*clk_hw;
24};
25
26#define CLKDEV_INIT(d, n, c)	\
27	{			\
28		.dev_id = d,	\
29		.con_id = n,	\
30		.clk = c,	\
31	}
32
33void clkdev_add(struct clk_lookup *cl);
34void clkdev_drop(struct clk_lookup *cl);
35
36struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id,
37	const char *dev_fmt, ...) __printf(3, 4);
38struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id,
39	const char *dev_fmt, ...) __printf(3, 4);
40
41void clkdev_add_table(struct clk_lookup *, size_t);
42int clk_add_alias(const char *, const char *, const char *, struct device *);
43
44int clk_register_clkdev(struct clk *, const char *, const char *);
45int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *);
46
47int devm_clk_hw_register_clkdev(struct device *dev, struct clk_hw *hw,
48				const char *con_id, const char *dev_id);
49#endif
50