xref: /openbmc/linux/include/linux/of_clk.h (revision 4a4472fd) 
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * OF clock helpers
4  */
5 
6 #ifndef __LINUX_OF_CLK_H
7 #define __LINUX_OF_CLK_H
8 
9 struct device_node;
10 struct of_device_id;
11 
12 #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_OF)
13 
14 unsigned int of_clk_get_parent_count(const struct device_node *np);
15 const char *of_clk_get_parent_name(const struct device_node *np, int index);
16 void of_clk_init(const struct of_device_id *matches);
17 
18 #else /* !CONFIG_COMMON_CLK || !CONFIG_OF */
19 
of_clk_get_parent_count(const struct device_node * np)20 static inline unsigned int of_clk_get_parent_count(const struct device_node *np)
21 {
22 	return 0;
23 }
of_clk_get_parent_name(const struct device_node * np,int index)24 static inline const char *of_clk_get_parent_name(const struct device_node *np,
25 						 int index)
26 {
27 	return NULL;
28 }
of_clk_init(const struct of_device_id * matches)29 static inline void of_clk_init(const struct of_device_id *matches) {}
30 
31 #endif /* !CONFIG_COMMON_CLK || !CONFIG_OF */
32 
33 #endif /* __LINUX_OF_CLK_H */
34