diff --git a/arch/arm/dts/zynqmp-zcu100-revC.dts b/arch/arm/dts/zynqmp-zcu100-revC.dts
index 6e575a0..2fffe17 100644
--- a/arch/arm/dts/zynqmp-zcu100-revC.dts
+++ b/arch/arm/dts/zynqmp-zcu100-revC.dts
@@ -280,11 +280,13 @@
 &spi0 { /* Low Speed connector */
 	status = "okay";
 	label = "LS-SPI0";
+	num-cs = <1>;
 };
 
 &spi1 { /* High Speed connector */
 	status = "okay";
 	label = "HS-SPI1";
+	num-cs = <1>;
 };
 
 &uart0 {