arch/m68k/include/asm/mcfclk.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * mcfclk.h -- coldfire specific clock structure
   4  */
   5
   6
   7 #ifndef mcfclk_h
   8 #define mcfclk_h
   9
  10 struct clk;
  11
  12 struct clk_ops {
  13         void (*enable)(struct clk *);
  14         void (*disable)(struct clk *);
  15 };
  16
  17 struct clk {
  18         const char *name;
  19         struct clk_ops *clk_ops;
  20         unsigned long rate;
  21         unsigned long enabled;
  22         u8 slot;
  23 };
  24
  25 extern struct clk *mcf_clks[];
  26
  27 #ifdef MCFPM_PPMCR0
  28 extern struct clk_ops clk_ops0;
  29 #ifdef MCFPM_PPMCR1
  30 extern struct clk_ops clk_ops1;
  31 #endif /* MCFPM_PPMCR1 */
  32
  33 #define DEFINE_CLK(clk_bank, clk_name, clk_slot, clk_rate) \
  34 static struct clk __clk_##clk_bank##_##clk_slot = { \
  35         .name = clk_name, \
  36         .clk_ops = &clk_ops##clk_bank, \
  37         .rate = clk_rate, \
  38         .slot = clk_slot, \
  39 }
  40
  41 void __clk_init_enabled(struct clk *);
  42 void __clk_init_disabled(struct clk *);
  43 #else
  44 #define DEFINE_CLK(clk_ref, clk_name, clk_rate) \
  45         static struct clk clk_##clk_ref = { \
  46                 .name = clk_name, \
  47                 .rate = clk_rate, \
  48         }
  49 #endif /* MCFPM_PPMCR0 */
  50
  51 #endif /* mcfclk_h */