root/include/asm-arm/plat-s3c24xx/clock.h

INCLUDED FROM

/* linux/include/asm-arm/plat-s3c24xx/clock.h
 * linux/arch/arm/mach-s3c2410/clock.h
 *
 * Copyright (c) 2004-2005 Simtec Electronics
 *      http://www.simtec.co.uk/products/SWLINUX/
 *      Written by Ben Dooks, <ben@simtec.co.uk>
 *
 * 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.
*/

struct clk {
        struct list_head      list;
        struct module        *owner;
        struct clk           *parent;
        const char           *name;
        int                   id;
        int                   usage;
        unsigned long         rate;
        unsigned long         ctrlbit;

        int                 (*enable)(struct clk *, int enable);
        int                 (*set_rate)(struct clk *c, unsigned long rate);
        unsigned long       (*get_rate)(struct clk *c);
        unsigned long       (*round_rate)(struct clk *c, unsigned long rate);
        int                 (*set_parent)(struct clk *c, struct clk *parent);
};

/* other clocks which may be registered by board support */

extern struct clk s3c24xx_dclk0;
extern struct clk s3c24xx_dclk1;
extern struct clk s3c24xx_clkout0;
extern struct clk s3c24xx_clkout1;
extern struct clk s3c24xx_uclk;

extern struct clk clk_usb_bus;

/* core clock support */

extern struct clk clk_f;
extern struct clk clk_h;
extern struct clk clk_p;
extern struct clk clk_mpll;
extern struct clk clk_upll;
extern struct clk clk_xtal;

/* exports for arch/arm/mach-s3c2410
 *
 * Please DO NOT use these outside of arch/arm/mach-s3c2410
*/

extern struct mutex clocks_mutex;

extern int s3c2410_clkcon_enable(struct clk *clk, int enable);

extern int s3c24xx_register_clock(struct clk *clk);
extern int s3c24xx_register_clocks(struct clk **clk, int nr_clks);

extern int s3c24xx_setup_clocks(unsigned long xtal,
                                unsigned long fclk,
                                unsigned long hclk,
                                unsigned long pclk);