diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nand-2500wan-gmac2.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nand-2500wan-gmac2.dts
index 745606f..396f483 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nand-2500wan-gmac2.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nand-2500wan-gmac2.dts
@@ -179,6 +179,12 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		compatible = "spi-nand";
+		spi-cal-enable;
+		spi-cal-mode = "read-data";
+		spi-cal-datalen = <7>;
+		spi-cal-data = /bits/ 8 <0x53 0x50 0x49 0x4E 0x41 0x4E 0x44>;
+		spi-cal-addrlen = <5>;
+		spi-cal-addr = /bits/ 32 <0x0 0x0 0x0 0x0 0x0>;
 		reg = <0>;
 		spi-max-frequency = <52000000>;
 		spi-tx-buswidth = <4>;
@@ -190,6 +196,18 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&spic_pins>;
 	status = "disabled";
+
+	slb9670: slb9670@0 {
+		compatible = "infineon,slb9670";
+		reg = <0>; /* CE0 */
+		#address-cells = <1>;
+		#size-cells = <0>;
+		spi-cal-enable;
+		spi-cal-mode = "read-data";
+		spi-cal-datalen = <2>;
+		spi-cal-data = /bits/ 8 <0x00 0x1b>;
+		spi-max-frequency = <20000000>;
+	};
 };
 
 &pio {
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nor-rfb.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nor-rfb.dts
index abd7fd3..47bb702 100755
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nor-rfb.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-spim-nor-rfb.dts
@@ -123,6 +123,13 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		compatible = "jedec,spi-nor";
+		spi-cal-enable;
+		spi-cal-mode = "read-data";
+		spi-cal-datalen = <7>;
+		spi-cal-data = /bits/ 8 <
+			0x53 0x46 0x5F 0x42 0x4F 0x4F 0x54>; /* SF_BOOT */
+		spi-cal-addrlen = <1>;
+		spi-cal-addr = /bits/ 32 <0x0>;
 		reg = <0>;
 		spi-max-frequency = <52000000>;
 		spi-tx-buswidth = <4>;