diff --git a/qcom/sun.dtsi b/qcom/sun.dtsi
index 73bc4e24..e9ee7136 100644
--- a/qcom/sun.dtsi
+++ b/qcom/sun.dtsi
@@ -3804,6 +3804,11 @@
 		reg = <0x0 0x9eb00000 0x0 0x80000>;
 	};
 
+	lost_reg_mem2 {
+		no-map;
+		reg = <0x0 0x9eb80000 0x0 0x80000>;
+	};
+
 	soccp_mem: soccp_region@9ec00000 {
 		no-map;
 		reg = <0x0 0x9ec00000 0x0 0x180000>;