提交 cd27e485 编写于 作者: L Linus Walleij 提交者: Russell King

[ARM] 5474/1: U300 clocking framework

This adds the clocking framework and hooks into the clkdevice
for U300 series platforms.
Signed-off-by: NLinus Walleij <linus.walleij@stericsson.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
上级 bd41b99d
此差异已折叠。
/*
* arch/arm/mach-u300/include/mach/clock.h
*
* Copyright (C) 2004 - 2005 Nokia corporation
* Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
* Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
* Copyright (C) 2007-2009 ST-Ericsson AB
* Adopted to ST-Ericsson U300 platforms by
* Jonas Aaberg <jonas.aberg@stericsson.com>
*
* 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.
*
*/
#ifndef __MACH_CLOCK_H
#define __MACH_CLOCK_H
#include <linux/clk.h>
struct clk {
struct list_head node;
struct module *owner;
struct device *dev;
const char *name;
struct clk *parent;
spinlock_t lock;
unsigned long rate;
bool reset;
__u16 clk_val;
__s8 usecount;
__u32 res_reg;
__u16 res_mask;
bool hw_ctrld;
void (*recalc) (struct clk *);
int (*set_rate) (struct clk *, unsigned long);
unsigned long (*get_rate) (struct clk *);
unsigned long (*round_rate) (struct clk *, unsigned long);
void (*init) (struct clk *);
void (*enable) (struct clk *);
void (*disable) (struct clk *);
};
void u300_clock_primecells(void);
void u300_unclock_primecells(void);
void u300_enable_intcon_clock(void);
void u300_enable_timer_clock(void);
#endif
#ifndef __MACH_CLKDEV_H
#define __MACH_CLKDEV_H
int __clk_get(struct clk *clk);
void __clk_put(struct clk *clk);
#endif
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