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watchdog: at91rm9200: add DT support
Add DT support for at91rm9200_wdt. Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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3 changed files with 19 additions and 1 deletions
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@ -0,0 +1,9 @@
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Atmel AT91RM9200 System Timer Watchdog
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Required properties:
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- compatible: must be "atmel,at91sam9260-wdt".
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Example:
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watchdog@fffffd00 {
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compatible = "atmel,at91rm9200-wdt";
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};
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@ -117,7 +117,7 @@ config ARM_SP805_WATCHDOG
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config AT91RM9200_WATCHDOG
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tristate "AT91RM9200 watchdog"
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depends on ARCH_AT91RM9200
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depends on ARCH_AT91
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help
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Watchdog timer embedded into AT91RM9200 chips. This will reboot your
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system when the timeout is reached.
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@ -24,6 +24,8 @@
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#include <linux/types.h>
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#include <linux/watchdog.h>
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#include <linux/uaccess.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <mach/at91_st.h>
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#define WDT_DEFAULT_TIME 5 /* seconds */
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@ -252,6 +254,12 @@ static int at91wdt_resume(struct platform_device *pdev)
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#define at91wdt_resume NULL
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#endif
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static const struct of_device_id at91_wdt_dt_ids[] = {
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{ .compatible = "atmel,at91rm9200-wdt" },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(of, at91_wdt_dt_ids);
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static struct platform_driver at91wdt_driver = {
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.probe = at91wdt_probe,
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.remove = at91wdt_remove,
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@ -261,6 +269,7 @@ static struct platform_driver at91wdt_driver = {
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.driver = {
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.name = "at91_wdt",
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.owner = THIS_MODULE,
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.of_match_table = of_match_ptr(at91_wdt_dt_ids),
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},
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};
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