diff --git a/target/linux/apm821xx/dts/meraki-mx60.dts b/target/linux/apm821xx/dts/meraki-mx60.dts
index fc3213e92c..638bfe5c16 100644
--- a/target/linux/apm821xx/dts/meraki-mx60.dts
+++ b/target/linux/apm821xx/dts/meraki-mx60.dts
@@ -100,6 +100,8 @@
 		phy0: ethernet-phy@0 {
 			compatible = "ethernet-phy-id004d.d034";
 			reg = <0>;
+			qca,mib-poll-interval = <500>;
+
 			qca,ar8327-initvals = <
 				0x0010 0x40000000
 				0x0624 0x007f7f7f
diff --git a/target/linux/apm821xx/dts/netgear-wndr4700.dts b/target/linux/apm821xx/dts/netgear-wndr4700.dts
index 14f6762110..0f1e97a921 100644
--- a/target/linux/apm821xx/dts/netgear-wndr4700.dts
+++ b/target/linux/apm821xx/dts/netgear-wndr4700.dts
@@ -293,6 +293,8 @@
 		phy0: ethernet-phy@0 {
 			device_type = "ethernet-phy";
 			reg = <0>;
+			qca,mib-poll-interval = <500>;
+
 			qca,ar8327-initvals = <
 				0x0010 0x40000000
 				0x0624 0x007f7f7f