ARM: LPC32XX: Clock driver

/*

 * arch/arm/mach-lpc32xx/clock.h

 *

 * Author: Kevin Wells <kevin.wells@nxp.com>

 *

 * Copyright (C) 2010 NXP Semiconductors

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

#ifndef __LPC32XX_CLOCK_H

#define __LPC32XX_CLOCK_H

struct clk {

	struct list_head node;

	struct clk *parent;

	u32 rate;

	u32 usecount;

	int (*set_rate) (struct clk *, unsigned long);

	unsigned long (*round_rate) (struct clk *, unsigned long);

	unsigned long (*get_rate) (struct clk *clk);

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

	/* Register address and bit mask for simple clocks */

	void __iomem *enable_reg;

	u32 enable_mask;

};

#endif