xref: /openbmc/linux/drivers/clk/clk.h (revision d0e22329)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) 2013 Samsung Electronics Co., Ltd.
4  * Sylwester Nawrocki <s.nawrocki@samsung.com>
5  */
6 
7 struct clk_hw;
8 
9 #if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
10 struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec,
11 				       const char *dev_id, const char *con_id);
12 #endif
13 
14 #ifdef CONFIG_COMMON_CLK
15 struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id,
16 			     const char *con_id);
17 void __clk_free_clk(struct clk *clk);
18 int __clk_get(struct clk *clk);
19 void __clk_put(struct clk *clk);
20 #else
21 /* All these casts to avoid ifdefs in clkdev... */
22 static inline struct clk *
23 __clk_create_clk(struct clk_hw *hw, const char *dev_id, const char *con_id)
24 {
25 	return (struct clk *)hw;
26 }
27 static inline void __clk_free_clk(struct clk *clk) { }
28 static struct clk_hw *__clk_get_hw(struct clk *clk)
29 {
30 	return (struct clk_hw *)clk;
31 }
32 static inline int __clk_get(struct clk *clk) { return 1; }
33 static inline void __clk_put(struct clk *clk) { }
34 
35 #endif
36