diff --git a/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-common.dtsi b/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-common.dtsi
index f714509f503..b68f386e8bc 100644
--- a/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-common.dtsi
+++ b/target/linux/mediatek/dts/mt7986a-zyxel-ex5601-t0-common.dtsi
@@ -168,7 +168,7 @@
                 #size-cells = <1>;
                 compatible = "spi-nand";
                 reg = <1>;
-                spi-max-frequency = <50000000>;
+                spi-max-frequency = <52000000>;
                 spi-tx-bus-width = <4>;
                 spi-rx-bus-width = <4>;
 
@@ -327,12 +327,12 @@
 		};
 		conf-pu {
 			pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP";
-			drive-strength = <8>;
+			drive-strength = <4>;
 			mediatek,pull-up-adv = <0>;	/* bias-disable */
 		};
 		conf-pd {
 			pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
-			drive-strength = <8>;
+			drive-strength = <4>;
 			mediatek,pull-down-adv = <0>;	/* bias-disable */
 		};
 	};