arch/arm/mach-shmobile/clock.h

   1 #ifndef CLOCK_H
   2 #define CLOCK_H
   3
   4 #ifdef CONFIG_COMMON_CLK
   5 /* temporary clock configuration helper for platform devices */
   6
   7 struct clk_name {
   8         const char *clk;
   9         const char *con_id;
  10         const char *dev_id;
  11 };
  12
  13 void shmobile_clk_workaround(const struct clk_name *clks, int nr_clks,
  14                              bool enable);
  15
  16 #else /* CONFIG_COMMON_CLK */
  17 /* legacy clock implementation */
  18
  19 struct clk;
  20 unsigned long shmobile_fixed_ratio_clk_recalc(struct clk *clk);
  21 extern struct sh_clk_ops shmobile_fixed_ratio_clk_ops;
  22
  23 /* clock ratio */
  24 struct clk_ratio {
  25         int mul;
  26         int div;
  27 };
  28
  29 #define SH_CLK_RATIO(name, m, d)                \
  30 static struct clk_ratio name ##_ratio = {       \
  31         .mul = m,                               \
  32         .div = d,                               \
  33 }
  34
  35 #define SH_FIXED_RATIO_CLKg(name, p, r) \
  36 struct clk name = {                     \
  37         .parent = &p,                           \
  38         .ops    = &shmobile_fixed_ratio_clk_ops,\
  39         .priv   = &r ## _ratio,                 \
  40 }
  41
  42 #define SH_FIXED_RATIO_CLK(name, p, r)          \
  43 static SH_FIXED_RATIO_CLKg(name, p, r)
  44
  45 #define SH_FIXED_RATIO_CLK_SET(name, p, m, d)   \
  46         SH_CLK_RATIO(name, m, d);               \
  47         SH_FIXED_RATIO_CLK(name, p, name)
  48
  49 #define SH_CLK_SET_RATIO(p, m, d)       \
  50 do {                    \
  51         (p)->mul = m;   \
  52         (p)->div = d;   \
  53 } while (0)
  54
  55 #endif /* CONFIG_COMMON_CLK */
  56 #endif