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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 |