diff --git a/target/linux/lantiq/dts/TDW89X0.dtsi b/target/linux/lantiq/dts/TDW89X0.dtsi
index cd3d6bdbbd..46ff11f547 100644
--- a/target/linux/lantiq/dts/TDW89X0.dtsi
+++ b/target/linux/lantiq/dts/TDW89X0.dtsi
@@ -16,12 +16,14 @@
 			interrupt-parent = <&icu0>;
 			interrupts = <22 23 24>;
 			#address-cells = <1>;
+			#size-cells = <1>;
 			m25p80@0 {
 				#address-cells = <1>;
 				#size-cells = <1>;
 				compatible = "jedec,spi-nor";
-				reg = <3>;
-				spi-max-frequency = <20000000>;
+				reg = <3 0>;
+				spi-max-frequency = <33250000>;
+				m25p,fast-read;
 
 				partition@0 {
 					reg = <0x0 0x20000>;