diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nor.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nor.dts
index 3700f9e..cdc7c90 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nor.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-10g-spim-nor.dts
@@ -68,6 +68,8 @@
 		spi-cal-addr = /bits/ 32 <0x0>;
 		reg = <0>;
 		spi-max-frequency = <52000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
 
 		partition@00000 {
 			label = "BL2";
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988c-dsa-10g-spim-nor.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988c-dsa-10g-spim-nor.dts
index 3c06b94..7878c52 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988c-dsa-10g-spim-nor.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988c-dsa-10g-spim-nor.dts
@@ -68,6 +68,8 @@
 		spi-cal-addr = /bits/ 32 <0x0>;
 		reg = <0>;
 		spi-max-frequency = <52000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
 
 		partition@00000 {
 			label = "BL2";