1/*
2 *  This program is free software; you can redistribute it and/or modify it
3 *  under the terms of the GNU General Public License version 2 as published
4 *  by the Free Software Foundation.
5 *
6 * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
7 */
8
9#ifndef _LTQ_CLK_H__
10#define _LTQ_CLK_H__
11
12#include <linux/clkdev.h>
13
14/* clock speeds */
15#define CLOCK_33M	33333333
16#define CLOCK_60M	60000000
17#define CLOCK_62_5M	62500000
18#define CLOCK_83M	83333333
19#define CLOCK_83_5M	83500000
20#define CLOCK_98_304M	98304000
21#define CLOCK_100M	100000000
22#define CLOCK_111M	111111111
23#define CLOCK_125M	125000000
24#define CLOCK_133M	133333333
25#define CLOCK_150M	150000000
26#define CLOCK_166M	166666666
27#define CLOCK_167M	166666667
28#define CLOCK_196_608M	196608000
29#define CLOCK_200M	200000000
30#define CLOCK_222M	222000000
31#define CLOCK_240M	240000000
32#define CLOCK_250M	250000000
33#define CLOCK_266M	266666666
34#define CLOCK_300M	300000000
35#define CLOCK_333M	333333333
36#define CLOCK_393M	393215332
37#define CLOCK_400M	400000000
38#define CLOCK_450M	450000000
39#define CLOCK_500M	500000000
40#define CLOCK_600M	600000000
41
42/* clock out speeds */
43#define CLOCK_32_768K	32768
44#define CLOCK_1_536M	1536000
45#define CLOCK_2_5M	2500000
46#define CLOCK_12M	12000000
47#define CLOCK_24M	24000000
48#define CLOCK_25M	25000000
49#define CLOCK_30M	30000000
50#define CLOCK_40M	40000000
51#define CLOCK_48M	48000000
52#define CLOCK_50M	50000000
53#define CLOCK_60M	60000000
54
55struct clk {
56	struct clk_lookup cl;
57	unsigned long rate;
58	unsigned long *rates;
59	unsigned int module;
60	unsigned int bits;
61	unsigned long (*get_rate) (void);
62	int (*enable) (struct clk *clk);
63	void (*disable) (struct clk *clk);
64	int (*activate) (struct clk *clk);
65	void (*deactivate) (struct clk *clk);
66	void (*reboot) (struct clk *clk);
67};
68
69extern void clkdev_add_static(unsigned long cpu, unsigned long fpi,
70				unsigned long io, unsigned long ppe);
71
72extern unsigned long ltq_danube_cpu_hz(void);
73extern unsigned long ltq_danube_fpi_hz(void);
74extern unsigned long ltq_danube_pp32_hz(void);
75
76extern unsigned long ltq_ar9_cpu_hz(void);
77extern unsigned long ltq_ar9_fpi_hz(void);
78
79extern unsigned long ltq_vr9_cpu_hz(void);
80extern unsigned long ltq_vr9_fpi_hz(void);
81extern unsigned long ltq_vr9_pp32_hz(void);
82
83#endif
84