diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index d49bee4..c9b9b7b 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -865,13 +865,21 @@
 		#size-cells = <0>;
 		reg = <0 1>;
 		compatible = "sandbox,spi";
-		cs-gpios = <0>, <&gpio_a 0>;
+		cs-gpios = <0>, <0>, <&gpio_a 0>;
 		spi.bin@0 {
 			reg = <0>;
 			compatible = "spansion,m25p16", "jedec,spi-nor";
 			spi-max-frequency = <40000000>;
 			sandbox,filename = "spi.bin";
 		};
+		spi.bin@1 {
+			reg = <1>;
+			compatible = "spansion,m25p16", "jedec,spi-nor";
+			spi-max-frequency = <50000000>;
+			sandbox,filename = "spi.bin";
+			spi-cpol;
+			spi-cpha;
+		};
 	};
 
 	syscon0: syscon@0 {