Linux kernel mirror (for testing)
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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
33struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
34 const char *dev_fmt, ...) __printf(3, 4);
35struct clk_lookup *clkdev_hw_alloc(struct clk_hw *hw, const char *con_id,
36 const char *dev_fmt, ...) __printf(3, 4);
37
38void clkdev_add(struct clk_lookup *cl);
39void clkdev_drop(struct clk_lookup *cl);
40
41struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id,
42 const char *dev_fmt, ...) __printf(3, 4);
43struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id,
44 const char *dev_fmt, ...) __printf(3, 4);
45
46void clkdev_add_table(struct clk_lookup *, size_t);
47int clk_add_alias(const char *, const char *, const char *, struct device *);
48
49int clk_register_clkdev(struct clk *, const char *, const char *);
50int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *);
51
52int devm_clk_hw_register_clkdev(struct device *dev, struct clk_hw *hw,
53 const char *con_id, const char *dev_id);
54void devm_clk_release_clkdev(struct device *dev, const char *con_id,
55 const char *dev_id);
56#endif