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
12extern void clk_init(void);
13
14extern unsigned long ltq_get_cpu_hz(void);
15extern unsigned long ltq_get_fpi_hz(void);
16extern unsigned long ltq_get_io_region_clock(void);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
17
18#endif

 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
58struct 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
72extern void clkdev_add_static(unsigned long cpu, unsigned long fpi,
73				unsigned long io, unsigned long ppe);
74
75extern unsigned long ltq_danube_cpu_hz(void);
76extern unsigned long ltq_danube_fpi_hz(void);
77extern unsigned long ltq_danube_pp32_hz(void);
78
79extern unsigned long ltq_ar9_cpu_hz(void);
80extern unsigned long ltq_ar9_fpi_hz(void);
81
82extern unsigned long ltq_vr9_cpu_hz(void);
83extern unsigned long ltq_vr9_fpi_hz(void);
84extern unsigned long ltq_vr9_pp32_hz(void);
85
86extern unsigned long ltq_ar10_cpu_hz(void);
87extern unsigned long ltq_ar10_fpi_hz(void);
88extern unsigned long ltq_ar10_pp32_hz(void);
89
90extern unsigned long ltq_grx390_cpu_hz(void);
91extern unsigned long ltq_grx390_fpi_hz(void);
92extern unsigned long ltq_grx390_pp32_hz(void);
93
94#endif