summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-at91/clock.h
blob: 97a08fd83f126ee4887671151637e89f6850a803 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
/*
 * linux/arch/arm/mach-at91/clock.h
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/clkdev.h>

#define CLK_TYPE_PRIMARY	0x1
#define CLK_TYPE_PLL		0x2
#define CLK_TYPE_PROGRAMMABLE	0x4
#define CLK_TYPE_PERIPHERAL	0x8
#define CLK_TYPE_SYSTEM		0x10
#define CLK_TYPE_PERIPH_H64MX   0x80

struct clk {
	struct list_head node;
	const char	*name;		/* unique clock name */
	struct clk_lookup cl;
	unsigned long	rate_hz;
	unsigned	div;		/* parent clock divider */
	struct clk	*parent;
	unsigned	pid;		/* peripheral ID */
	u32		pmc_mask;
	void		(*mode)(struct clk *, int);
	unsigned	id:3;		/* PCK0..4, or 32k/main/a/b */
	unsigned	type;		/* clock type */
	u16		users;
};


extern int __init clk_register(struct clk *clk);
extern struct clk mck;
extern struct clk utmi_clk;