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 55 struct 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 69 extern void clkdev_add_static(unsigned long cpu, unsigned long fpi, 70 unsigned long io, unsigned long ppe); 71 72 extern unsigned long ltq_danube_cpu_hz(void); 73 extern unsigned long ltq_danube_fpi_hz(void); 74 extern unsigned long ltq_danube_pp32_hz(void); 75 76 extern unsigned long ltq_ar9_cpu_hz(void); 77 extern unsigned long ltq_ar9_fpi_hz(void); 78 79 extern unsigned long ltq_vr9_cpu_hz(void); 80 extern unsigned long ltq_vr9_fpi_hz(void); 81 extern unsigned long ltq_vr9_pp32_hz(void); 82 83 #endif 84