diff --git a/arch/arm/dts/fsl-lx2160a-qds.dts b/arch/arm/dts/fsl-lx2160a-qds.dts
index 33bedae..592fd59 100644
--- a/arch/arm/dts/fsl-lx2160a-qds.dts
+++ b/arch/arm/dts/fsl-lx2160a-qds.dts
@@ -58,6 +58,8 @@
 		compatible = "jedec,spi-nor";
 		spi-max-frequency = <50000000>;
 		reg = <0>;
+		spi-rx-bus-width = <8>;
+		spi-tx-bus-width = <1>;
 	};
 };
 
diff --git a/arch/arm/dts/fsl-lx2160a-rdb.dts b/arch/arm/dts/fsl-lx2160a-rdb.dts
index e542c69..87617ca 100644
--- a/arch/arm/dts/fsl-lx2160a-rdb.dts
+++ b/arch/arm/dts/fsl-lx2160a-rdb.dts
@@ -39,6 +39,8 @@
 		compatible = "jedec,spi-nor";
 		spi-max-frequency = <50000000>;
 		reg = <0>;
+		spi-rx-bus-width = <8>;
+		spi-tx-bus-width = <1>;
 	};
 
 	mt35xu512aba1: flash@1 {
@@ -47,6 +49,8 @@
 		compatible = "jedec,spi-nor";
 		spi-max-frequency = <50000000>;
 		reg = <1>;
+		spi-rx-bus-width = <8>;
+		spi-tx-bus-width = <1>;
 	};
 };