1 /* 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 22 struct 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 39