1/* 2 * linux/include/asm-arm/hardware/icst525.h 3 * 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 37