drivers/clk/at91/pmc.h

   1 /*
   2  * drivers/clk/at91/pmc.h
   3  *
   4  *  Copyright (C) 2013 Boris BREZILLON <b.brezillon@overkiz.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  */
  11
  12 #ifndef __PMC_H_
  13 #define __PMC_H_
  14
  15 #include <linux/io.h>
  16 #include <linux/irqdomain.h>
  17 #include <linux/regmap.h>
  18 #include <linux/spinlock.h>
  19
  20 extern spinlock_t pmc_pcr_lock;
  21
  22 struct clk_range {
  23         unsigned long min;
  24         unsigned long max;
  25 };
  26
  27 #define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,}
  28
  29 int of_at91_get_clk_range(struct device_node *np, const char *propname,
  30                           struct clk_range *range);
  31
  32 #ifdef CONFIG_PM
  33 void pmc_register_id(u8 id);
  34 void pmc_register_pck(u8 pck);
  35 #else
  36 static inline void pmc_register_id(u8 id) {}
  37 static inline void pmc_register_pck(u8 pck) {}
  38 #endif
  39
  40 #endif /* __PMC_H_ */