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Kevin Wellsb9cc4bf2010-02-26 15:53:40 -08001/*
2 * arch/arm/mach-lpc32xx/clock.h
3 *
4 * Author: Kevin Wells <kevin.wells@nxp.com>
5 *
6 * Copyright (C) 2010 NXP Semiconductors
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19#ifndef __LPC32XX_CLOCK_H
20#define __LPC32XX_CLOCK_H
21
22struct clk {
23 struct list_head node;
24 struct clk *parent;
25 u32 rate;
26 u32 usecount;
27
28 int (*set_rate) (struct clk *, unsigned long);
29 unsigned long (*round_rate) (struct clk *, unsigned long);
30 unsigned long (*get_rate) (struct clk *clk);
31 int (*enable) (struct clk *, int);
32
33 /* Register address and bit mask for simple clocks */
34 void __iomem *enable_reg;
35 u32 enable_mask;
36};
37
38#endif