include/linux/of_clk.h

   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
  20 static inline unsigned int of_clk_get_parent_count(const struct device_node *np)
  21 {
  22         return 0;
  23 }
  24 static inline const char *of_clk_get_parent_name(const struct device_node *np,
  25                                                  int index)
  26 {
  27         return NULL;
  28 }
  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 */