diff --git a/target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3.dts b/target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3.dts
index 4d118b0fbc..bcd682fee0 100644
--- a/target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3.dts
+++ b/target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3.dts
@@ -120,6 +120,7 @@
 		mod-def0-gpios = <&pio 49 GPIO_ACTIVE_LOW>;
 		tx-disable-gpios = <&pio 20 GPIO_ACTIVE_HIGH>;
 		tx-fault-gpios = <&pio 7 GPIO_ACTIVE_HIGH>;
+		maximum-power-milliwatt = <3000>;
 	};
 
 	/* SFP2 cage (LAN) */
@@ -139,6 +140,7 @@
 		mod-def0-gpios = <&pio 47 GPIO_ACTIVE_LOW>;
 		tx-disable-gpios = <&pio 15 GPIO_ACTIVE_HIGH>;
 		tx-fault-gpios = <&pio 48 GPIO_ACTIVE_HIGH>;
+		maximum-power-milliwatt = <3000>;
 	};
 };