watchdog: ath79_wdt: add device tree matching

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: devicetree-discuss@lists.ozlabs.org
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/watchdog/ath79_wdt.c b/drivers/watchdog/ath79_wdt.c
index e786f644e14b..898799074a13 100644
--- a/drivers/watchdog/ath79_wdt.c
+++ b/drivers/watchdog/ath79_wdt.c
@@ -33,6 +33,8 @@
 #include <linux/watchdog.h>
 #include <linux/clk.h>
 #include <linux/err.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
 
 #define DRIVER_NAME     "ath79-wdt"
 
@@ -308,6 +310,14 @@ static void ath97_wdt_shutdown(struct platform_device *pdev)
         ath79_wdt_disable();
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id ath79_wdt_match[] = {
+        { .compatible = "qca,ar7130-wdt" },
+        {},
+};
+MODULE_DEVICE_TABLE(of, ath79_wdt_match);
+#endif
+
 static struct platform_driver ath79_wdt_driver = {
         .probe          = ath79_wdt_probe,
         .remove         = ath79_wdt_remove,
@@ -315,6 +325,7 @@ static struct platform_driver ath79_wdt_driver = {
         .driver         = {
                 .name   = DRIVER_NAME,
                 .owner  = THIS_MODULE,
+                .of_match_table = of_match_ptr(ath79_wdt_match),
         },
 };