diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index 4ee4712..a7b49f3 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -652,6 +652,10 @@
 		};
 	};
 
+	fpga {
+		compatible = "sandbox,fpga";
+	};
+
 	pinctrl-gpio {
 		compatible = "sandbox,pinctrl-gpio";