watchdog: imx2_wdt: add device tree probe support

Adds device tree probe support for imx2_wdt driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
index 86f7cac1026c..b8ef2c6dca7c 100644
--- a/drivers/watchdog/imx2_wdt.c
+++ b/drivers/watchdog/imx2_wdt.c
@@ -329,12 +329,18 @@ static void imx2_wdt_shutdown(struct platform_device *pdev)
         }
 }
 
+static const struct of_device_id imx2_wdt_dt_ids[] = {
+        { .compatible = "fsl,imx21-wdt", },
+        { /* sentinel */ }
+};
+
 static struct platform_driver imx2_wdt_driver = {
         .remove         = __exit_p(imx2_wdt_remove),
         .shutdown       = imx2_wdt_shutdown,
         .driver         = {
                 .name   = DRIVER_NAME,
                 .owner  = THIS_MODULE,
+                .of_match_table = imx2_wdt_dt_ids,
         },
 };