drivers/clk/sunxi/clk-factors.h

   1 #ifndef __MACH_SUNXI_CLK_FACTORS_H
   2 #define __MACH_SUNXI_CLK_FACTORS_H
   3
   4 #include <linux/clk-provider.h>
   5 #include <linux/clkdev.h>
   6 #include <linux/spinlock.h>
   7
   8 #define SUNXI_FACTORS_NOT_APPLICABLE    (0)
   9
  10 struct clk_factors_config {
  11         u8 nshift;
  12         u8 nwidth;
  13         u8 kshift;
  14         u8 kwidth;
  15         u8 mshift;
  16         u8 mwidth;
  17         u8 pshift;
  18         u8 pwidth;
  19         u8 n_start;
  20 };
  21
  22 struct factors_data {
  23         int enable;
  24         int mux;
  25         int muxmask;
  26         struct clk_factors_config *table;
  27         void (*getter) (u32 *rate, u32 parent_rate, u8 *n, u8 *k, u8 *m, u8 *p);
  28         const char *name;
  29 };
  30
  31 struct clk_factors {
  32         struct clk_hw hw;
  33         void __iomem *reg;
  34         struct clk_factors_config *config;
  35         void (*get_factors) (u32 *rate, u32 parent, u8 *n, u8 *k, u8 *m, u8 *p);
  36         spinlock_t *lock;
  37 };
  38
  39 struct clk *sunxi_factors_register(struct device_node *node,
  40                                    const struct factors_data *data,
  41                                    spinlock_t *lock,
  42                                    void __iomem *reg);
  43
  44 #endif