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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Russell King4baa9922008-08-02 10:55:55 +01002 * arch/arm/include/asm/hardware/icst525.h
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
4 * Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Support functions for calculating clocks/divisors for the ICST525
11 * clock generators. See http://www.icst.com/ for more information
12 * on these devices.
13 */
14#ifndef ASMARM_HARDWARE_ICST525_H
15#define ASMARM_HARDWARE_ICST525_H
16
17struct icst525_params {
18 unsigned long ref;
19 unsigned long vco_max; /* inclusive */
20 unsigned short vd_min; /* inclusive */
21 unsigned short vd_max; /* inclusive */
22 unsigned char rd_min; /* inclusive */
23 unsigned char rd_max; /* inclusive */
24};
25
26struct icst525_vco {
27 unsigned short v;
28 unsigned char r;
29 unsigned char s;
30};
31
32unsigned long icst525_khz(const struct icst525_params *p, struct icst525_vco vco);
33struct icst525_vco icst525_khz_to_vco(const struct icst525_params *p, unsigned long freq);
34struct icst525_vco icst525_ps_to_vco(const struct icst525_params *p, unsigned long period);
35
36#endif