Linux Kernel  3.7.1
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clock.h
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1 /*
2  * Clock management for AT32AP CPUs
3  *
4  * Copyright (C) 2006 Atmel Corporation
5  *
6  * Based on arch/arm/mach-at91/clock.c
7  * Copyright (C) 2005 David Brownell
8  * Copyright (C) 2005 Ivan Kokshaysky
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  */
14 #include <linux/clk.h>
15 #include <linux/list.h>
16 
17 
18 void at32_clk_register(struct clk *clk);
19 
20 struct clk {
21  struct list_head list; /* linking element */
22  const char *name; /* Clock name/function */
23  struct device *dev; /* Device the clock is used by */
24  struct clk *parent; /* Parent clock, if any */
25  void (*mode)(struct clk *clk, int enabled);
26  unsigned long (*get_rate)(struct clk *clk);
27  long (*set_rate)(struct clk *clk, unsigned long rate,
28  int apply);
29  int (*set_parent)(struct clk *clk, struct clk *parent);
30  u16 users; /* Enabled if non-zero */
31  u16 index; /* Sibling index */
32 };
33 
34 unsigned long pba_clk_get_rate(struct clk *clk);
35 void pba_clk_mode(struct clk *clk, int enabled);