clock.h 1.1 KB

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  1. /*
  2. * linux/arch/arm/mach-at91/clock.h
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License version 2 as
  6. * published by the Free Software Foundation.
  7. */
  8. #include <linux/clkdev.h>
  9. #define CLK_TYPE_PRIMARY 0x1
  10. #define CLK_TYPE_PLL 0x2
  11. #define CLK_TYPE_PROGRAMMABLE 0x4
  12. #define CLK_TYPE_PERIPHERAL 0x8
  13. #define CLK_TYPE_SYSTEM 0x10
  14. struct clk {
  15. struct list_head node;
  16. const char *name; /* unique clock name */
  17. struct clk_lookup cl;
  18. unsigned long rate_hz;
  19. unsigned div; /* parent clock divider */
  20. struct clk *parent;
  21. unsigned pid; /* peripheral ID */
  22. u32 pmc_mask;
  23. void (*mode)(struct clk *, int);
  24. unsigned id:3; /* PCK0..4, or 32k/main/a/b */
  25. unsigned type; /* clock type */
  26. u16 users;
  27. };
  28. extern int __init clk_register(struct clk *clk);
  29. extern struct clk mck;
  30. extern struct clk utmi_clk;
  31. #define CLKDEV_CON_ID(_id, _clk) \
  32. { \
  33. .con_id = _id, \
  34. .clk = _clk, \
  35. }
  36. #define CLKDEV_CON_DEV_ID(_con_id, _dev_id, _clk) \
  37. { \
  38. .con_id = _con_id, \
  39. .dev_id = _dev_id, \
  40. .clk = _clk, \
  41. }