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clock.h

/*
 *  linux/arch/arm/mach-mmp/clock.h
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 */

#include <linux/clkdev.h>

00011 struct clkops {
      void              (*enable)(struct clk *);
      void              (*disable)(struct clk *);
      unsigned long           (*getrate)(struct clk *);
};

struct clk {
      const struct clkops     *ops;

      void __iomem      *clk_rst;   /* clock reset control register */
      int         fnclksel;   /* functional clock select (APBC) */
      uint32_t    enable_val; /* value for clock enable (APMU) */
      unsigned long     rate;
      int         enabled;
};

extern struct clkops apbc_clk_ops;
extern struct clkops apmu_clk_ops;

#define APBC_CLK(_name, _reg, _fnclksel, _rate)             \
struct clk clk_##_name = {                            \
            .clk_rst    = (void __iomem *)APBC_##_reg,      \
            .fnclksel   = _fnclksel,                  \
            .rate       = _rate,                \
            .ops        = &apbc_clk_ops,        \
}

#define APBC_CLK_OPS(_name, _reg, _fnclksel, _rate, _ops)   \
struct clk clk_##_name = {                            \
            .clk_rst    = (void __iomem *)APBC_##_reg,      \
            .fnclksel   = _fnclksel,                  \
            .rate       = _rate,                \
            .ops        = _ops,                       \
}

#define APMU_CLK(_name, _reg, _eval, _rate)                 \
struct clk clk_##_name = {                            \
            .clk_rst    = (void __iomem *)APMU_##_reg,      \
            .enable_val = _eval,                \
            .rate       = _rate,                \
            .ops        = &apmu_clk_ops,        \
}

#define APMU_CLK_OPS(_name, _reg, _eval, _rate, _ops)       \
struct clk clk_##_name = {                            \
            .clk_rst    = (void __iomem *)APMU_##_reg,      \
            .enable_val = _eval,                \
            .rate       = _rate,                \
            .ops        = _ops,                       \
}

#define INIT_CLKREG(_clk, _devname, _conname)               \
      {                                         \
            .clk        = _clk,                       \
            .dev_id           = _devname,             \
            .con_id           = _conname,             \
      }

extern struct clk clk_pxa168_gpio;
extern struct clk clk_pxa168_timers;

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