clk.h 1.0 KB

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  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. struct clk_hw;
  7. struct device;
  8. struct of_phandle_args;
  9. #if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
  10. struct clk_hw *of_clk_get_hw(struct device_node *np,
  11. int index, const char *con_id);
  12. #else /* !CONFIG_COMMON_CLK || !CONFIG_OF */
  13. static inline struct clk_hw *of_clk_get_hw(struct device_node *np,
  14. int index, const char *con_id)
  15. {
  16. return ERR_PTR(-ENOENT);
  17. }
  18. #endif
  19. struct clk_hw *clk_find_hw(const char *dev_id, const char *con_id);
  20. #ifdef CONFIG_COMMON_CLK
  21. struct clk *clk_hw_create_clk(struct device *dev, struct clk_hw *hw,
  22. const char *dev_id, const char *con_id);
  23. void __clk_put(struct clk *clk);
  24. #else
  25. /* All these casts to avoid ifdefs in clkdev... */
  26. static inline struct clk *
  27. clk_hw_create_clk(struct device *dev, struct clk_hw *hw, const char *dev_id,
  28. const char *con_id)
  29. {
  30. return (struct clk *)hw;
  31. }
  32. static inline void __clk_put(struct clk *clk) { }
  33. #endif