diff --git a/fdts/tc.dts b/fdts/tc.dts
index bb1f5c7..09cf21d 100644
--- a/fdts/tc.dts
+++ b/fdts/tc.dts
@@ -755,4 +755,10 @@
 			compatible = "android,trusty-irq-v1";
 		};
 	};
+
+	/* used in U-boot, Linux doesn't care */
+	arm_ffa {
+		compatible = "arm,ffa";
+		method = "smc";
+	};
 };