xref: /openbmc/linux/arch/mips/lantiq/clk.h (revision e3d786a3)
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 <john@phrozen.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_288M	288888888
35 #define CLOCK_300M	300000000
36 #define CLOCK_333M	333333333
37 #define CLOCK_360M	360000000
38 #define CLOCK_393M	393215332
39 #define CLOCK_400M	400000000
40 #define CLOCK_432M	432000000
41 #define CLOCK_450M	450000000
42 #define CLOCK_500M	500000000
43 #define CLOCK_600M	600000000
44 #define CLOCK_666M	666666666
45 #define CLOCK_720M	720000000
46 
47 /* clock out speeds */
48 #define CLOCK_32_768K	32768
49 #define CLOCK_1_536M	1536000
50 #define CLOCK_2_5M	2500000
51 #define CLOCK_12M	12000000
52 #define CLOCK_24M	24000000
53 #define CLOCK_25M	25000000
54 #define CLOCK_30M	30000000
55 #define CLOCK_40M	40000000
56 #define CLOCK_48M	48000000
57 #define CLOCK_50M	50000000
58 #define CLOCK_60M	60000000
59 
60 struct clk {
61 	struct clk_lookup cl;
62 	unsigned long rate;
63 	unsigned long *rates;
64 	unsigned int module;
65 	unsigned int bits;
66 	unsigned long (*get_rate) (void);
67 	int (*enable) (struct clk *clk);
68 	void (*disable) (struct clk *clk);
69 	int (*activate) (struct clk *clk);
70 	void (*deactivate) (struct clk *clk);
71 	void (*reboot) (struct clk *clk);
72 };
73 
74 extern void clkdev_add_static(unsigned long cpu, unsigned long fpi,
75 				unsigned long io, unsigned long ppe);
76 
77 extern unsigned long ltq_danube_cpu_hz(void);
78 extern unsigned long ltq_danube_fpi_hz(void);
79 extern unsigned long ltq_danube_pp32_hz(void);
80 
81 extern unsigned long ltq_ar9_cpu_hz(void);
82 extern unsigned long ltq_ar9_fpi_hz(void);
83 
84 extern unsigned long ltq_vr9_cpu_hz(void);
85 extern unsigned long ltq_vr9_fpi_hz(void);
86 extern unsigned long ltq_vr9_pp32_hz(void);
87 
88 extern unsigned long ltq_ar10_cpu_hz(void);
89 extern unsigned long ltq_ar10_fpi_hz(void);
90 extern unsigned long ltq_ar10_pp32_hz(void);
91 
92 extern unsigned long ltq_grx390_cpu_hz(void);
93 extern unsigned long ltq_grx390_fpi_hz(void);
94 extern unsigned long ltq_grx390_pp32_hz(void);
95 
96 #endif
97