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6d803ba7 JCPV |
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 | ||
17 | struct clk; | |
e4f1b49b | 18 | struct clk_hw; |
6d803ba7 JCPV |
19 | struct device; |
20 | ||
21 | struct clk_lookup { | |
22 | struct list_head node; | |
23 | const char *dev_id; | |
24 | const char *con_id; | |
25 | struct clk *clk; | |
d5622a9c | 26 | struct clk_hw *clk_hw; |
6d803ba7 JCPV |
27 | }; |
28 | ||
196a57c2 PV |
29 | #define CLKDEV_INIT(d, n, c) \ |
30 | { \ | |
31 | .dev_id = d, \ | |
32 | .con_id = n, \ | |
33 | .clk = c, \ | |
34 | } | |
35 | ||
6d803ba7 | 36 | struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, |
8db14860 | 37 | const char *dev_fmt, ...) __printf(3, 4); |
e4f1b49b SB |
38 | struct clk_lookup *clkdev_hw_alloc(struct clk_hw *hw, const char *con_id, |
39 | const char *dev_fmt, ...) __printf(3, 4); | |
6d803ba7 JCPV |
40 | |
41 | void clkdev_add(struct clk_lookup *cl); | |
42 | void clkdev_drop(struct clk_lookup *cl); | |
43 | ||
25689998 | 44 | struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id, |
8db14860 | 45 | const char *dev_fmt, ...) __printf(3, 4); |
e4f1b49b SB |
46 | struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id, |
47 | const char *dev_fmt, ...) __printf(3, 4); | |
25689998 | 48 | |
6d803ba7 | 49 | void clkdev_add_table(struct clk_lookup *, size_t); |
b3d8d7e8 | 50 | int clk_add_alias(const char *, const char *, const char *, struct device *); |
6d803ba7 | 51 | |
416dd13a | 52 | int clk_register_clkdev(struct clk *, const char *, const char *); |
e4f1b49b | 53 | int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *); |
e9d7f406 | 54 | |
ac2df527 SN |
55 | #ifdef CONFIG_COMMON_CLK |
56 | int __clk_get(struct clk *clk); | |
57 | void __clk_put(struct clk *clk); | |
58 | #endif | |
59 | ||
6d803ba7 | 60 | #endif |