LXR linux/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
  10struct clk;
  11
  12struct clk_ops {
  13        void (*enable)(struct clk *);
  14        void (*disable)(struct clk *);
  15};
  16
  17struct clk {
  18        struct clk_ops *clk_ops;
  19        unsigned long rate;
  20        unsigned long enabled;
  21        u8 slot;
  22};
  23
  24#ifdef MCFPM_PPMCR0
  25extern struct clk_ops clk_ops0;
  26#ifdef MCFPM_PPMCR1
  27extern struct clk_ops clk_ops1;
  28#endif /* MCFPM_PPMCR1 */
  29
  30extern struct clk_ops clk_ops2;
  31
  32#define DEFINE_CLK(clk_bank, clk_name, clk_slot, clk_rate) \
  33static struct clk __clk_##clk_bank##_##clk_slot = { \
  34        .clk_ops = &clk_ops##clk_bank, \
  35        .rate = clk_rate, \
  36        .slot = clk_slot, \
  37}
  38
  39void __clk_init_enabled(struct clk *);
  40void __clk_init_disabled(struct clk *);
  41#else
  42#define DEFINE_CLK(clk_ref, clk_name, clk_rate) \
  43        static struct clk clk_##clk_ref = { \
  44                .rate = clk_rate, \
  45        }
  46#endif /* MCFPM_PPMCR0 */
  47
  48#endif /* mcfclk_h */
  49