diff --git a/arch/arm/dts/zynqmp-ep108.dts b/arch/arm/dts/zynqmp-ep108.dts
index b6d30e87c2..ee9d0fe7a4 100644
--- a/arch/arm/dts/zynqmp-ep108.dts
+++ b/arch/arm/dts/zynqmp-ep108.dts
@@ -107,6 +107,7 @@
 
 &sdhci0 {
 	status = "okay";
+	bus-width = <8>;
 };
 
 &sdhci1 {