diff --git a/arch/arm/dts/stm32mp15xx-dhcor-io3v3.dtsi b/arch/arm/dts/stm32mp15xx-dhcor-io3v3.dtsi
index 64299df816..94cf80dbed 100644
--- a/arch/arm/dts/stm32mp15xx-dhcor-io3v3.dtsi
+++ b/arch/arm/dts/stm32mp15xx-dhcor-io3v3.dtsi
@@ -198,7 +198,7 @@
 		compatible = "jedec,spi-nor";
 		reg = <0>;
 		spi-rx-bus-width = <4>;
-		spi-max-frequency = <108000000>;
+		spi-max-frequency = <50000000>;
 		#address-cells = <1>;
 		#size-cells = <1>;
 	};