arch/mips/lantiq/clk.h

   1 /*
   2  *  This program is free software; you can redistribute it and/or modify it
   3  *  under the terms of the GNU General Public License version 2 as published
   4  *  by the Free Software Foundation.
   5  *
   6  * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
   7  */
   8
   9 #ifndef _LTQ_CLK_H__
  10 #define _LTQ_CLK_H__
  11
  12 #include <linux/clkdev.h>
  13
  14 /* clock speeds */
  15 #define CLOCK_33M       33333333
  16 #define CLOCK_60M       60000000
  17 #define CLOCK_62_5M     62500000
  18 #define CLOCK_83M       83333333
  19 #define CLOCK_83_5M     83500000
  20 #define CLOCK_98_304M   98304000
  21 #define CLOCK_100M      100000000
  22 #define CLOCK_111M      111111111
  23 #define CLOCK_125M      125000000
  24 #define CLOCK_133M      133333333
  25 #define CLOCK_150M      150000000
  26 #define CLOCK_166M      166666666
  27 #define CLOCK_167M      166666667
  28 #define CLOCK_196_608M  196608000
  29 #define CLOCK_200M      200000000
  30 #define CLOCK_250M      250000000
  31 #define CLOCK_266M      266666666
  32 #define CLOCK_300M      300000000
  33 #define CLOCK_333M      333333333
  34 #define CLOCK_393M      393215332
  35 #define CLOCK_400M      400000000
  36 #define CLOCK_500M      500000000
  37 #define CLOCK_600M      600000000
  38
  39 /* clock out speeds */
  40 #define CLOCK_32_768K   32768
  41 #define CLOCK_1_536M    1536000
  42 #define CLOCK_2_5M      2500000
  43 #define CLOCK_12M       12000000
  44 #define CLOCK_24M       24000000
  45 #define CLOCK_25M       25000000
  46 #define CLOCK_30M       30000000
  47 #define CLOCK_40M       40000000
  48 #define CLOCK_48M       48000000
  49 #define CLOCK_50M       50000000
  50 #define CLOCK_60M       60000000
  51
  52 struct clk {
  53         struct clk_lookup cl;
  54         unsigned long rate;
  55         unsigned long *rates;
  56         unsigned int module;
  57         unsigned int bits;
  58         unsigned long (*get_rate) (void);
  59         int (*enable) (struct clk *clk);
  60         void (*disable) (struct clk *clk);
  61         int (*activate) (struct clk *clk);
  62         void (*deactivate) (struct clk *clk);
  63         void (*reboot) (struct clk *clk);
  64 };
  65
  66 extern void clkdev_add_static(unsigned long cpu, unsigned long fpi,
  67                                 unsigned long io);
  68
  69 extern unsigned long ltq_danube_cpu_hz(void);
  70 extern unsigned long ltq_danube_fpi_hz(void);
  71
  72 extern unsigned long ltq_ar9_cpu_hz(void);
  73 extern unsigned long ltq_ar9_fpi_hz(void);
  74
  75 extern unsigned long ltq_vr9_cpu_hz(void);
  76 extern unsigned long ltq_vr9_fpi_hz(void);
  77
  78 #endif