diff --git a/drivers/rtc/rtc-ab-eoz9.c b/drivers/rtc/rtc-ab-eoz9.c
index 2f8deb8c4cd3..34611f6dedcb 100644
--- a/drivers/rtc/rtc-ab-eoz9.c
+++ b/drivers/rtc/rtc-ab-eoz9.c
@@ -536,9 +536,14 @@ static int abeoz9_probe(struct i2c_client *client)
 	clear_bit(RTC_FEATURE_ALARM, data->rtc->features);
 
 	if (client->irq > 0) {
+		unsigned long irqflags = IRQF_TRIGGER_LOW;
+
+		if (dev_fwnode(&client->dev))
+			irqflags = 0;
+
 		ret = devm_request_threaded_irq(dev, client->irq, NULL,
 						abeoz9_rtc_irq,
-						IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+						irqflags | IRQF_ONESHOT,
 						dev_name(dev), dev);
 		if (ret) {
 			dev_err(dev, "failed to request alarm irq\n");