clkdev.h 1.5 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * include/linux/clkdev.h
  4. *
  5. * Copyright (C) 2008 Russell King.
  6. *
  7. * Helper for the clk API to assist looking up a struct clk.
  8. */
  9. #ifndef __CLKDEV_H
  10. #define __CLKDEV_H
  11. #include <linux/slab.h>
  12. struct clk;
  13. struct clk_hw;
  14. struct device;
  15. struct clk_lookup {
  16. struct list_head node;
  17. const char *dev_id;
  18. const char *con_id;
  19. struct clk *clk;
  20. struct clk_hw *clk_hw;
  21. };
  22. #define CLKDEV_INIT(d, n, c) \
  23. { \
  24. .dev_id = d, \
  25. .con_id = n, \
  26. .clk = c, \
  27. }
  28. struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
  29. const char *dev_fmt, ...) __printf(3, 4);
  30. struct clk_lookup *clkdev_hw_alloc(struct clk_hw *hw, const char *con_id,
  31. const char *dev_fmt, ...) __printf(3, 4);
  32. void clkdev_add(struct clk_lookup *cl);
  33. void clkdev_drop(struct clk_lookup *cl);
  34. struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id,
  35. const char *dev_fmt, ...) __printf(3, 4);
  36. struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id,
  37. const char *dev_fmt, ...) __printf(3, 4);
  38. void clkdev_add_table(struct clk_lookup *, size_t);
  39. int clk_add_alias(const char *, const char *, const char *, struct device *);
  40. int clk_register_clkdev(struct clk *, const char *, const char *);
  41. int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *);
  42. int devm_clk_hw_register_clkdev(struct device *dev, struct clk_hw *hw,
  43. const char *con_id, const char *dev_id);
  44. void devm_clk_release_clkdev(struct device *dev, const char *con_id,
  45. const char *dev_id);
  46. #endif