LXR linux/arch/arm/mach-u300/clock.h

   1/*
   2 * arch/arm/mach-u300/include/mach/clock.h
   3 *
   4 * Copyright (C) 2004 - 2005 Nokia corporation
   5 * Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
   6 * Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
   7 * Copyright (C) 2007-2009 ST-Ericsson AB
   8 * Adopted to ST-Ericsson U300 platforms by
   9 * Jonas Aaberg <jonas.aberg@stericsson.com>
  10 *
  11 * This program is free software; you can redistribute it and/or modify
  12 * it under the terms of the GNU General Public License version 2 as
  13 * published by the Free Software Foundation.
  14 *
  15 */
  16
  17#ifndef __MACH_CLOCK_H
  18#define __MACH_CLOCK_H
  19
  20#include <linux/clk.h>
  21
  22struct clk {
  23        struct list_head node;
  24        struct module *owner;
  25        struct device *dev;
  26        const char *name;
  27        struct clk *parent;
  28
  29        spinlock_t lock;
  30        unsigned long rate;
  31        bool reset;
  32        __u16 clk_val;
  33        __s8 usecount;
  34        __u32 res_reg;
  35        __u16 res_mask;
  36
  37        bool hw_ctrld;
  38
  39        void (*recalc) (struct clk *);
  40        int (*set_rate) (struct clk *, unsigned long);
  41        unsigned long (*get_rate) (struct clk *);
  42        unsigned long (*round_rate) (struct clk *, unsigned long);
  43        void (*init) (struct clk *);
  44        void (*enable) (struct clk *);
  45        void (*disable) (struct clk *);
  46};
  47
  48void u300_clock_primecells(void);
  49void u300_unclock_primecells(void);
  50void u300_enable_intcon_clock(void);
  51void u300_enable_timer_clock(void);
  52
  53#endif
  54