clock.c File Reference

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/of_address.h>
#include <mach/hardware.h>
#include <mach/at91_pmc.h>
#include <mach/cpu.h>
#include <asm/proc-fns.h>
#include "clock.h"
#include "generic.h"

Go to the source code of this file.

Macros
#define	clk_is_primary(x)   ((x)->type & CLK_TYPE_PRIMARY)
#define	clk_is_programmable(x)   ((x)->type & CLK_TYPE_PROGRAMMABLE)
#define	clk_is_peripheral(x)   ((x)->type & CLK_TYPE_PERIPHERAL)
#define	clk_is_sys(x)   ((x)->type & CLK_TYPE_SYSTEM)
#define	cpu_has_utmi()
#define	cpu_has_800M_plla()
#define	cpu_has_300M_plla()   (cpu_is_at91sam9g10())
#define	cpu_has_240M_plla()
#define	cpu_has_210M_plla()   (cpu_is_at91sam9260())
#define	cpu_has_pllb()
#define	cpu_has_upll()
#define	cpu_has_uhp()   (!cpu_is_at91sam9rl())
#define	cpu_has_udpfs()
#define	cpu_has_plladiv2()
#define	cpu_has_mdiv3()
#define	cpu_has_alt_prescaler()

Functions
	EXPORT_SYMBOL_GPL (at91_pmc_base)
int	clk_enable (struct clk *clk)
	EXPORT_SYMBOL (clk_enable)
void	clk_disable (struct clk *clk)
	EXPORT_SYMBOL (clk_disable)
unsigned long	clk_get_rate (struct clk *clk)
	EXPORT_SYMBOL (clk_get_rate)
int __init	clk_register (struct clk *clk)
int __init	at91_clock_init (unsigned long main_clock)
	late_initcall (at91_clock_reset)
void	at91sam9_idle (void)

Variables
void __iomem *	at91_pmc_base
struct clk	utmi_clk
struct clk	mck

Macro Definition Documentation

#define clk_is_peripheral

(

x

)

((x)->type & CLK_TYPE_PERIPHERAL)

Definition at line 48 of file clock.c.

#define clk_is_primary

(

x

)

((x)->type & CLK_TYPE_PRIMARY)

Definition at line 46 of file clock.c.

#define clk_is_programmable

(

x

)

((x)->type & CLK_TYPE_PROGRAMMABLE)

Definition at line 47 of file clock.c.

#define clk_is_sys

(

x

)

((x)->type & CLK_TYPE_SYSTEM)

Definition at line 49 of file clock.c.

#define cpu_has_210M_plla

(

)

(cpu_is_at91sam9260())

Definition at line 70 of file clock.c.

#define cpu_has_240M_plla

(

)

Value:

(cpu_is_at91sam9261() \
                || cpu_is_at91sam9263() \
                || cpu_is_at91sam9rl())

Definition at line 66 of file clock.c.

#define cpu_has_300M_plla

(

)

(cpu_is_at91sam9g10())

Definition at line 64 of file clock.c.

#define cpu_has_800M_plla

(

)

Value:

(  cpu_is_at91sam9g20() \
                || cpu_is_at91sam9g45() \
                || cpu_is_at91sam9x5() \
                || cpu_is_at91sam9n12())

Definition at line 59 of file clock.c.

#define cpu_has_alt_prescaler

(

)

Value:

(cpu_is_at91sam9x5() \
                || cpu_is_at91sam9n12())

Definition at line 96 of file clock.c.

#define cpu_has_mdiv3

(

)

Value:

(cpu_is_at91sam9g45() \
                || cpu_is_at91sam9x5() \
                || cpu_is_at91sam9n12())

Definition at line 92 of file clock.c.

#define cpu_has_plladiv2

(

)

Value:

(cpu_is_at91sam9g45() \
                || cpu_is_at91sam9x5() \
                || cpu_is_at91sam9n12())

Definition at line 88 of file clock.c.

#define cpu_has_pllb

(

)

Value:

(!(cpu_is_at91sam9rl() \
                || cpu_is_at91sam9g45() \
                || cpu_is_at91sam9x5() \
                || cpu_is_at91sam9n12()))

Definition at line 72 of file clock.c.

#define cpu_has_udpfs

(

)

Value:

(!(cpu_is_at91sam9rl() \
                || cpu_is_at91sam9g45() \
                || cpu_is_at91sam9x5()))

Definition at line 84 of file clock.c.

#define cpu_has_uhp

(

)

(!cpu_is_at91sam9rl())

Definition at line 81 of file clock.c.

#define cpu_has_upll

(

)

Value:

(cpu_is_at91sam9g45() \
                || cpu_is_at91sam9x5())

Definition at line 77 of file clock.c.

#define cpu_has_utmi

(

)

Value:

(  cpu_is_at91sam9rl() \
                || cpu_is_at91sam9g45() \
                || cpu_is_at91sam9x5())

Definition at line 55 of file clock.c.

Function Documentation

int __init at91_clock_init

(

unsigned long

main_clock

)

Definition at line 860 of file clock.c.

void at91sam9_idle

(

void

)

Definition at line 898 of file clock.c.

void clk_disable

(

struct clk *

clk

)

Definition at line 280 of file clock.c.

int clk_enable

(

struct clk *

clk

)

Definition at line 260 of file clock.c.

unsigned long clk_get_rate

(

struct clk *

clk

)

Definition at line 290 of file clock.c.

int __init clk_register

(

struct clk *

clk

)

Definition at line 528 of file clock.c.

EXPORT_SYMBOL

(

clk_enable

)

EXPORT_SYMBOL

(

clk_disable

)

EXPORT_SYMBOL

(

clk_get_rate

)

EXPORT_SYMBOL_GPL

(

at91_pmc_base

)

late_initcall

(

at91_clock_reset

)

Variable Documentation

void __iomem* at91_pmc_base

Definition at line 37 of file clock.c.

struct clk mck

Initial value:

= {
    .name       = "mck",
    .pmc_mask   = AT91_PMC_MCKRDY,  
}

Definition at line 206 of file clock.c.

struct clk utmi_clk

Initial value:

= {
    .name       = "utmi_clk",
    .parent     = &main_clk,
    .pmc_mask   = AT91_PMC_UPLLEN,  
    .mode       = pmc_uckr_mode,
    .type       = CLK_TYPE_PLL,
}

Definition at line 187 of file clock.c.