clk.h 1.3 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344
  1. #ifndef __MACH_IMX_CLK_H
  2. #define __MACH_IMX_CLK_H
  3. #include <linux/spinlock.h>
  4. #include <linux/clk-provider.h>
  5. #include <mach/clock.h>
  6. struct clk *imx_clk_pllv1(const char *name, const char *parent,
  7. void __iomem *base);
  8. static inline struct clk *imx_clk_fixed(const char *name, int rate)
  9. {
  10. return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate);
  11. }
  12. static inline struct clk *imx_clk_divider(const char *name, const char *parent,
  13. void __iomem *reg, u8 shift, u8 width)
  14. {
  15. return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
  16. reg, shift, width, 0, &imx_ccm_lock);
  17. }
  18. static inline struct clk *imx_clk_gate(const char *name, const char *parent,
  19. void __iomem *reg, u8 shift)
  20. {
  21. return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT, reg,
  22. shift, 0, &imx_ccm_lock);
  23. }
  24. static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
  25. u8 shift, u8 width, const char **parents, int num_parents)
  26. {
  27. return clk_register_mux(NULL, name, parents, num_parents, 0, reg, shift,
  28. width, 0, &imx_ccm_lock);
  29. }
  30. static inline struct clk *imx_clk_fixed_factor(const char *name,
  31. const char *parent, unsigned int mult, unsigned int div)
  32. {
  33. return clk_register_fixed_factor(NULL, name, parent,
  34. CLK_SET_RATE_PARENT, mult, div);
  35. }
  36. #endif