linux_dsm_epyc7002/arch/mips/lantiq/clk.h
John Crispin 740c606e8e MIPS: lantiq: adds static clock for PP32
The Lantiq DSL SoCs have an internal networking processor. Add code to read
the static clock rate.

Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4815/
2013-02-17 00:15:17 +01:00

84 lines
2.2 KiB
C

/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* Copyright (C) 2010 John Crispin <blogic@openwrt.org>
*/
#ifndef _LTQ_CLK_H__
#define _LTQ_CLK_H__
#include <linux/clkdev.h>
/* clock speeds */
#define CLOCK_33M 33333333
#define CLOCK_60M 60000000
#define CLOCK_62_5M 62500000
#define CLOCK_83M 83333333
#define CLOCK_83_5M 83500000
#define CLOCK_98_304M 98304000
#define CLOCK_100M 100000000
#define CLOCK_111M 111111111
#define CLOCK_125M 125000000
#define CLOCK_133M 133333333
#define CLOCK_150M 150000000
#define CLOCK_166M 166666666
#define CLOCK_167M 166666667
#define CLOCK_196_608M 196608000
#define CLOCK_200M 200000000
#define CLOCK_222M 222000000
#define CLOCK_240M 240000000
#define CLOCK_250M 250000000
#define CLOCK_266M 266666666
#define CLOCK_300M 300000000
#define CLOCK_333M 333333333
#define CLOCK_393M 393215332
#define CLOCK_400M 400000000
#define CLOCK_450M 450000000
#define CLOCK_500M 500000000
#define CLOCK_600M 600000000
/* clock out speeds */
#define CLOCK_32_768K 32768
#define CLOCK_1_536M 1536000
#define CLOCK_2_5M 2500000
#define CLOCK_12M 12000000
#define CLOCK_24M 24000000
#define CLOCK_25M 25000000
#define CLOCK_30M 30000000
#define CLOCK_40M 40000000
#define CLOCK_48M 48000000
#define CLOCK_50M 50000000
#define CLOCK_60M 60000000
struct clk {
struct clk_lookup cl;
unsigned long rate;
unsigned long *rates;
unsigned int module;
unsigned int bits;
unsigned long (*get_rate) (void);
int (*enable) (struct clk *clk);
void (*disable) (struct clk *clk);
int (*activate) (struct clk *clk);
void (*deactivate) (struct clk *clk);
void (*reboot) (struct clk *clk);
};
extern void clkdev_add_static(unsigned long cpu, unsigned long fpi,
unsigned long io, unsigned long ppe);
extern unsigned long ltq_danube_cpu_hz(void);
extern unsigned long ltq_danube_fpi_hz(void);
extern unsigned long ltq_danube_pp32_hz(void);
extern unsigned long ltq_ar9_cpu_hz(void);
extern unsigned long ltq_ar9_fpi_hz(void);
extern unsigned long ltq_vr9_cpu_hz(void);
extern unsigned long ltq_vr9_fpi_hz(void);
extern unsigned long ltq_vr9_pp32_hz(void);
#endif