diff --git a/dts/upstream/src/arm64/rockchip/rk3566-rock-3c.dts b/dts/upstream/src/arm64/rockchip/rk3566-rock-3c.dts
index b242409d378..f2cc086e500 100644
--- a/dts/upstream/src/arm64/rockchip/rk3566-rock-3c.dts
+++ b/dts/upstream/src/arm64/rockchip/rk3566-rock-3c.dts
@@ -633,7 +633,7 @@
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0x0>;
-		spi-max-frequency = <120000000>;
+		spi-max-frequency = <104000000>;
 		spi-rx-bus-width = <4>;
 		spi-tx-bus-width = <1>;
 	};