xref: /openbmc/linux/arch/mips/lantiq/clk.h (revision b830f94f)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *
4  * Copyright (C) 2010 John Crispin <john@phrozen.org>
5  */
6 
7 #ifndef _LTQ_CLK_H__
8 #define _LTQ_CLK_H__
9 
10 #include <linux/clkdev.h>
11 
12 /* clock speeds */
13 #define CLOCK_33M	33333333
14 #define CLOCK_60M	60000000
15 #define CLOCK_62_5M	62500000
16 #define CLOCK_83M	83333333
17 #define CLOCK_83_5M	83500000
18 #define CLOCK_98_304M	98304000
19 #define CLOCK_100M	100000000
20 #define CLOCK_111M	111111111
21 #define CLOCK_125M	125000000
22 #define CLOCK_133M	133333333
23 #define CLOCK_150M	150000000
24 #define CLOCK_166M	166666666
25 #define CLOCK_167M	166666667
26 #define CLOCK_196_608M	196608000
27 #define CLOCK_200M	200000000
28 #define CLOCK_222M	222000000
29 #define CLOCK_240M	240000000
30 #define CLOCK_250M	250000000
31 #define CLOCK_266M	266666666
32 #define CLOCK_288M	288888888
33 #define CLOCK_300M	300000000
34 #define CLOCK_333M	333333333
35 #define CLOCK_360M	360000000
36 #define CLOCK_393M	393215332
37 #define CLOCK_400M	400000000
38 #define CLOCK_432M	432000000
39 #define CLOCK_450M	450000000
40 #define CLOCK_500M	500000000
41 #define CLOCK_600M	600000000
42 #define CLOCK_666M	666666666
43 #define CLOCK_720M	720000000
44 
45 /* clock out speeds */
46 #define CLOCK_32_768K	32768
47 #define CLOCK_1_536M	1536000
48 #define CLOCK_2_5M	2500000
49 #define CLOCK_12M	12000000
50 #define CLOCK_24M	24000000
51 #define CLOCK_25M	25000000
52 #define CLOCK_30M	30000000
53 #define CLOCK_40M	40000000
54 #define CLOCK_48M	48000000
55 #define CLOCK_50M	50000000
56 #define CLOCK_60M	60000000
57 
58 struct clk {
59 	struct clk_lookup cl;
60 	unsigned long rate;
61 	unsigned long *rates;
62 	unsigned int module;
63 	unsigned int bits;
64 	unsigned long (*get_rate) (void);
65 	int (*enable) (struct clk *clk);
66 	void (*disable) (struct clk *clk);
67 	int (*activate) (struct clk *clk);
68 	void (*deactivate) (struct clk *clk);
69 	void (*reboot) (struct clk *clk);
70 };
71 
72 extern void clkdev_add_static(unsigned long cpu, unsigned long fpi,
73 				unsigned long io, unsigned long ppe);
74 
75 extern unsigned long ltq_danube_cpu_hz(void);
76 extern unsigned long ltq_danube_fpi_hz(void);
77 extern unsigned long ltq_danube_pp32_hz(void);
78 
79 extern unsigned long ltq_ar9_cpu_hz(void);
80 extern unsigned long ltq_ar9_fpi_hz(void);
81 
82 extern unsigned long ltq_vr9_cpu_hz(void);
83 extern unsigned long ltq_vr9_fpi_hz(void);
84 extern unsigned long ltq_vr9_pp32_hz(void);
85 
86 extern unsigned long ltq_ar10_cpu_hz(void);
87 extern unsigned long ltq_ar10_fpi_hz(void);
88 extern unsigned long ltq_ar10_pp32_hz(void);
89 
90 extern unsigned long ltq_grx390_cpu_hz(void);
91 extern unsigned long ltq_grx390_fpi_hz(void);
92 extern unsigned long ltq_grx390_pp32_hz(void);
93 
94 #endif
95