1171bb2f1SJohn Crispin /* 2171bb2f1SJohn Crispin * This program is free software; you can redistribute it and/or modify it 3171bb2f1SJohn Crispin * under the terms of the GNU General Public License version 2 as published 4171bb2f1SJohn Crispin * by the Free Software Foundation. 5171bb2f1SJohn Crispin * 6171bb2f1SJohn Crispin * Copyright (C) 2010 John Crispin <blogic@openwrt.org> 7171bb2f1SJohn Crispin */ 8171bb2f1SJohn Crispin 9171bb2f1SJohn Crispin #ifndef _LTQ_CLK_H__ 10171bb2f1SJohn Crispin #define _LTQ_CLK_H__ 11171bb2f1SJohn Crispin 12287e3f3fSJohn Crispin #include <linux/clkdev.h> 13171bb2f1SJohn Crispin 14287e3f3fSJohn Crispin /* clock speeds */ 15287e3f3fSJohn Crispin #define CLOCK_33M 33333333 16287e3f3fSJohn Crispin #define CLOCK_60M 60000000 17287e3f3fSJohn Crispin #define CLOCK_62_5M 62500000 18287e3f3fSJohn Crispin #define CLOCK_83M 83333333 19287e3f3fSJohn Crispin #define CLOCK_83_5M 83500000 20287e3f3fSJohn Crispin #define CLOCK_98_304M 98304000 21287e3f3fSJohn Crispin #define CLOCK_100M 100000000 22287e3f3fSJohn Crispin #define CLOCK_111M 111111111 23287e3f3fSJohn Crispin #define CLOCK_125M 125000000 24287e3f3fSJohn Crispin #define CLOCK_133M 133333333 25287e3f3fSJohn Crispin #define CLOCK_150M 150000000 26287e3f3fSJohn Crispin #define CLOCK_166M 166666666 27287e3f3fSJohn Crispin #define CLOCK_167M 166666667 28287e3f3fSJohn Crispin #define CLOCK_196_608M 196608000 29287e3f3fSJohn Crispin #define CLOCK_200M 200000000 30740c606eSJohn Crispin #define CLOCK_222M 222000000 31740c606eSJohn Crispin #define CLOCK_240M 240000000 32287e3f3fSJohn Crispin #define CLOCK_250M 250000000 33287e3f3fSJohn Crispin #define CLOCK_266M 266666666 3418a3af60SHauke Mehrtens #define CLOCK_288M 288888888 35287e3f3fSJohn Crispin #define CLOCK_300M 300000000 36287e3f3fSJohn Crispin #define CLOCK_333M 333333333 3761e371d8SHauke Mehrtens #define CLOCK_360M 360000000 38287e3f3fSJohn Crispin #define CLOCK_393M 393215332 39287e3f3fSJohn Crispin #define CLOCK_400M 400000000 4018a3af60SHauke Mehrtens #define CLOCK_432M 432000000 41740c606eSJohn Crispin #define CLOCK_450M 450000000 42287e3f3fSJohn Crispin #define CLOCK_500M 500000000 43287e3f3fSJohn Crispin #define CLOCK_600M 600000000 4461e371d8SHauke Mehrtens #define CLOCK_666M 666666666 4561e371d8SHauke Mehrtens #define CLOCK_720M 720000000 46287e3f3fSJohn Crispin 47287e3f3fSJohn Crispin /* clock out speeds */ 48287e3f3fSJohn Crispin #define CLOCK_32_768K 32768 49287e3f3fSJohn Crispin #define CLOCK_1_536M 1536000 50287e3f3fSJohn Crispin #define CLOCK_2_5M 2500000 51287e3f3fSJohn Crispin #define CLOCK_12M 12000000 52287e3f3fSJohn Crispin #define CLOCK_24M 24000000 53287e3f3fSJohn Crispin #define CLOCK_25M 25000000 54287e3f3fSJohn Crispin #define CLOCK_30M 30000000 55287e3f3fSJohn Crispin #define CLOCK_40M 40000000 56287e3f3fSJohn Crispin #define CLOCK_48M 48000000 57287e3f3fSJohn Crispin #define CLOCK_50M 50000000 58287e3f3fSJohn Crispin #define CLOCK_60M 60000000 59287e3f3fSJohn Crispin 60287e3f3fSJohn Crispin struct clk { 61287e3f3fSJohn Crispin struct clk_lookup cl; 62287e3f3fSJohn Crispin unsigned long rate; 63287e3f3fSJohn Crispin unsigned long *rates; 64287e3f3fSJohn Crispin unsigned int module; 65287e3f3fSJohn Crispin unsigned int bits; 66287e3f3fSJohn Crispin unsigned long (*get_rate) (void); 67287e3f3fSJohn Crispin int (*enable) (struct clk *clk); 68287e3f3fSJohn Crispin void (*disable) (struct clk *clk); 69287e3f3fSJohn Crispin int (*activate) (struct clk *clk); 70287e3f3fSJohn Crispin void (*deactivate) (struct clk *clk); 71287e3f3fSJohn Crispin void (*reboot) (struct clk *clk); 72287e3f3fSJohn Crispin }; 73287e3f3fSJohn Crispin 74287e3f3fSJohn Crispin extern void clkdev_add_static(unsigned long cpu, unsigned long fpi, 75740c606eSJohn Crispin unsigned long io, unsigned long ppe); 76287e3f3fSJohn Crispin 77287e3f3fSJohn Crispin extern unsigned long ltq_danube_cpu_hz(void); 78287e3f3fSJohn Crispin extern unsigned long ltq_danube_fpi_hz(void); 79740c606eSJohn Crispin extern unsigned long ltq_danube_pp32_hz(void); 80287e3f3fSJohn Crispin 81287e3f3fSJohn Crispin extern unsigned long ltq_ar9_cpu_hz(void); 82287e3f3fSJohn Crispin extern unsigned long ltq_ar9_fpi_hz(void); 83287e3f3fSJohn Crispin 84287e3f3fSJohn Crispin extern unsigned long ltq_vr9_cpu_hz(void); 85287e3f3fSJohn Crispin extern unsigned long ltq_vr9_fpi_hz(void); 86740c606eSJohn Crispin extern unsigned long ltq_vr9_pp32_hz(void); 87171bb2f1SJohn Crispin 8861e371d8SHauke Mehrtens extern unsigned long ltq_ar10_cpu_hz(void); 8961e371d8SHauke Mehrtens extern unsigned long ltq_ar10_fpi_hz(void); 9061e371d8SHauke Mehrtens extern unsigned long ltq_ar10_pp32_hz(void); 9161e371d8SHauke Mehrtens 9261e371d8SHauke Mehrtens extern unsigned long ltq_grx390_cpu_hz(void); 9361e371d8SHauke Mehrtens extern unsigned long ltq_grx390_fpi_hz(void); 9461e371d8SHauke Mehrtens extern unsigned long ltq_grx390_pp32_hz(void); 9561e371d8SHauke Mehrtens 96171bb2f1SJohn Crispin #endif 97