diff --git a/bindings/smcinvoke/smcinvoke.txt b/bindings/smcinvoke/smcinvoke.txt
index f605d4bf3f6f..4fa8d5e26d7f 100644
--- a/bindings/smcinvoke/smcinvoke.txt
+++ b/bindings/smcinvoke/smcinvoke.txt
@@ -2,8 +2,16 @@
 
 Required properties:
 - compatible : Should be "qcom,smcinvoke"
+- qcom,support-legacy_smc : indicates that secure side uses QCOM_SCM_SMCINVOKE_INVOKE_LEGACY (value = 0x00) for smcinvoke
+			    functionality.
 
 Example:
 	qcom_smcinvoke: smcinvoke@87900000 {
 		compatible = "qcom,smcinvoke";
 	};
+
+Example: For targets where secure side runs with QCOM_SCM_SMCINVOKE_INVOKE_LEGACY cmd id
+	qcom_smcinvoke: smcinvoke@87900000 {
+                compatible = "qcom,smcinvoke";
+		qcom,support-legacy_smc;
+        };