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John Crispin171bb2f2011-03-30 09:27:47 +02001/*
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
John Crispin287e3f32012-04-17 15:53:19 +020012#include <linux/clkdev.h>
John Crispin171bb2f2011-03-30 09:27:47 +020013
John Crispin287e3f32012-04-17 15:53:19 +020014/* 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
John Crispin740c606e2013-01-19 08:54:24 +000030#define CLOCK_222M 222000000
31#define CLOCK_240M 240000000
John Crispin287e3f32012-04-17 15:53:19 +020032#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
John Crispin740c606e2013-01-19 08:54:24 +000038#define CLOCK_450M 450000000
John Crispin287e3f32012-04-17 15:53:19 +020039#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,
John Crispin740c606e2013-01-19 08:54:24 +000070 unsigned long io, unsigned long ppe);
John Crispin287e3f32012-04-17 15:53:19 +020071
72extern unsigned long ltq_danube_cpu_hz(void);
73extern unsigned long ltq_danube_fpi_hz(void);
John Crispin740c606e2013-01-19 08:54:24 +000074extern unsigned long ltq_danube_pp32_hz(void);
John Crispin287e3f32012-04-17 15:53:19 +020075
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);
John Crispin740c606e2013-01-19 08:54:24 +000081extern unsigned long ltq_vr9_pp32_hz(void);
John Crispin171bb2f2011-03-30 09:27:47 +020082
83#endif