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Commit a6a1bcd3 authored by Joachim Eastwood's avatar Joachim Eastwood Committed by Wim Van Sebroeck
Browse files

watchdog: at91rm9200: add DT support 



Add DT support for at91rm9200_wdt.

Signed-off-by: default avatarJoachim Eastwood <manabian@gmail.com>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent c1fd5f64

Documentation/devicetree/bindings/watchdog/atmel-at91rm9200-wdt.txt

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+9 −0
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Atmel AT91RM9200 System Timer Watchdog



Required properties:

- compatible: must be "atmel,at91sam9260-wdt".



Example:

	watchdog@fffffd00 {

		compatible = "atmel,at91rm9200-wdt";

	};

drivers/watchdog/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -117,7 +117,7 @@ config ARM_SP805_WATCHDOG 


config AT91RM9200_WATCHDOG

	tristate "AT91RM9200 watchdog"

	depends on ARCH_AT91RM9200

	depends on ARCH_AT91

	help

	  Watchdog timer embedded into AT91RM9200 chips. This will reboot your

	  system when the timeout is reached.

drivers/watchdog/at91rm9200_wdt.c

+9 −0
Original line number Diff line number Diff line
@@ -24,6 +24,8 @@ 
#include <linux/types.h>

#include <linux/watchdog.h>

#include <linux/uaccess.h>

#include <linux/of.h>

#include <linux/of_device.h>

#include <mach/at91_st.h>



#define WDT_DEFAULT_TIME	5	/* seconds */
@@ -252,6 +254,12 @@ static int at91wdt_resume(struct platform_device *pdev) 
#define at91wdt_resume	NULL

#endif



static const struct of_device_id at91_wdt_dt_ids[] = {

	{ .compatible = "atmel,at91rm9200-wdt" },

	{ /* sentinel */ }

};

MODULE_DEVICE_TABLE(of, at91_wdt_dt_ids);



static struct platform_driver at91wdt_driver = {

	.probe		= at91wdt_probe,

	.remove		= at91wdt_remove,
@@ -261,6 +269,7 @@ static struct platform_driver at91wdt_driver = { 
	.driver		= {

		.name	= "at91_wdt",

		.owner	= THIS_MODULE,

		.of_match_table = of_match_ptr(at91_wdt_dt_ids),

	},

};