lantiq_wdt.c File Reference

#include <linux/module.h>
#include <linux/fs.h>
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/of_platform.h>
#include <linux/uaccess.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <lantiq_soc.h>

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	LTQ_WDT_PW1   0x00BE0000
#define	LTQ_WDT_PW2   0x00DC0000
#define	LTQ_WDT_CR   0x0 /* watchdog control register */
#define	LTQ_WDT_SR   0x8 /* watchdog status register */
#define	LTQ_WDT_SR_EN   (0x1 << 31) /* enable bit */
#define	LTQ_WDT_SR_PWD   (0x3 << 26) /* turn on power */
#define	LTQ_WDT_SR_CLKDIV   (0x3 << 24) /* turn on clock and set */
#define	LTQ_WDT_DIVIDER   0x40000
#define	LTQ_MAX_TIMEOUT   ((1 << 16) - 1) /* the reload field is 16 bit */

Functions
	MODULE_DEVICE_TABLE (of, ltq_wdt_match)
	module_platform_driver (ltq_wdt_driver)
	module_param (nowayout, bool, 0)
	MODULE_PARM_DESC (nowayout,"Watchdog cannot be stopped once started")
	MODULE_AUTHOR ("John Crispin <[email protected]>")
	MODULE_DESCRIPTION ("Lantiq SoC Watchdog")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS_MISCDEV (WATCHDOG_MINOR)

Macro Definition Documentation

#define LTQ_MAX_TIMEOUT   ((1 << 16) - 1) /* the reload field is 16 bit */

Definition at line 42 of file lantiq_wdt.c.

#define LTQ_WDT_CR   0x0 /* watchdog control register */

Definition at line 34 of file lantiq_wdt.c.

#define LTQ_WDT_DIVIDER   0x40000

Definition at line 41 of file lantiq_wdt.c.

#define LTQ_WDT_PW1   0x00BE0000

Definition at line 31 of file lantiq_wdt.c.

#define LTQ_WDT_PW2   0x00DC0000

Definition at line 32 of file lantiq_wdt.c.

#define LTQ_WDT_SR   0x8 /* watchdog status register */

Definition at line 35 of file lantiq_wdt.c.

#define LTQ_WDT_SR_CLKDIV   (0x3 << 24) /* turn on clock and set */

Definition at line 39 of file lantiq_wdt.c.

#define LTQ_WDT_SR_EN   (0x1 << 31) /* enable bit */

Definition at line 37 of file lantiq_wdt.c.

#define LTQ_WDT_SR_PWD   (0x3 << 26) /* turn on power */

Definition at line 38 of file lantiq_wdt.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 10 of file lantiq_wdt.c.

Function Documentation

MODULE_ALIAS_MISCDEV

(

WATCHDOG_MINOR

)

MODULE_AUTHOR

(

"John Crispin <[email protected]>"

)

MODULE_DESCRIPTION

(

"Lantiq SoC Watchdog"

)

MODULE_DEVICE_TABLE	(	of	,
		ltq_wdt_match
	)

MODULE_LICENSE

(

"GPL"

)

module_param	(	nowayout	,
		bool	,
		0
	)

MODULE_PARM_DESC	(	nowayout	,
		"Watchdog cannot be stopped once started"
	)

module_platform_driver

(

ltq_wdt_driver

)