diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index f5fa5d84aa06..90068f914911 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -354,7 +354,7 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
 					      &name);
 
 		r->start = r->end = irq;
-		r->flags = IORESOURCE_IRQ;
+		r->flags = IORESOURCE_IRQ | irqd_get_trigger_type(irq_get_irq_data(irq));
 		r->name = name ? name : of_node_full_name(dev);
 	}