clock.h 961 B

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  1. /*
  2. * Clock management for AT32AP CPUs
  3. *
  4. * Copyright (C) 2006 Atmel Corporation
  5. *
  6. * Based on arch/arm/mach-at91/clock.c
  7. * Copyright (C) 2005 David Brownell
  8. * Copyright (C) 2005 Ivan Kokshaysky
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License version 2 as
  12. * published by the Free Software Foundation.
  13. */
  14. #include <linux/clk.h>
  15. struct clk {
  16. const char *name; /* Clock name/function */
  17. struct device *dev; /* Device the clock is used by */
  18. struct clk *parent; /* Parent clock, if any */
  19. void (*mode)(struct clk *clk, int enabled);
  20. unsigned long (*get_rate)(struct clk *clk);
  21. long (*set_rate)(struct clk *clk, unsigned long rate,
  22. int apply);
  23. int (*set_parent)(struct clk *clk, struct clk *parent);
  24. u16 users; /* Enabled if non-zero */
  25. u16 index; /* Sibling index */
  26. };
  27. extern struct clk *at32_clock_list[];
  28. extern unsigned int at32_nr_clocks;