release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-pnx4008/clock.h

   1 /*
   2  * arch/arm/mach-pnx4008/clock.h
   3  *
   4  * Clock control driver for PNX4008 - internal header file
   5  *
   6  * Author: Vitaly Wool <source@mvista.com>
   7  *
   8  * 2006 (c) MontaVista Software, Inc. This file is licensed under
   9  * the terms of the GNU General Public License version 2. This program
  10  * is licensed "as is" without any warranty of any kind, whether express
  11  * or implied.
  12  */
  13 #ifndef __ARCH_ARM_PNX4008_CLOCK_H__
  14 #define __ARCH_ARM_PNX4008_CLOCK_H__
  15
  16 struct clk {
  17         const char *name;
  18         struct clk *parent;
  19         struct clk *propagate_next;
  20         u32 rate;
  21         u32 user_rate;
  22         s8 usecount;
  23         u32 flags;
  24         u32 scale_reg;
  25         u8 enable_shift;
  26         u32 enable_reg;
  27         u8 enable_shift1;
  28         u32 enable_reg1;
  29         u32 parent_switch_reg;
  30         u32(*round_rate) (struct clk *, u32);
  31         int (*set_rate) (struct clk *, u32);
  32         int (*set_parent) (struct clk * clk, struct clk * parent);
  33         int (*enable)(struct clk *);
  34         void (*disable)(struct clk *);
  35 };
  36
  37 /* Flags */
  38 #define RATE_PROPAGATES      (1<<0)
  39 #define NEEDS_INITIALIZATION (1<<1)
  40 #define PARENT_SET_RATE      (1<<2)
  41 #define FIXED_RATE           (1<<3)
  42
  43 #endif