diff --git a/qcom/pineapple.dtsi b/qcom/pineapple.dtsi
index c2303005..4f2e3626 100644
--- a/qcom/pineapple.dtsi
+++ b/qcom/pineapple.dtsi
@@ -3249,6 +3249,11 @@
 		reg = <0x0 0x9b09a000 0x0 0x2000>;
 	};
 
+	lost_reg_mem {
+		no-map;
+		reg = <0x0 0x9b09c000 0x0 0x4000>;
+	};
+
 	spss_region_mem: spss_region_region@9b0a0000 {
 		no-map;
 		reg = <0x0 0x9b0a0000 0x0 0x1e0000>;
diff --git a/qcom/sun.dtsi b/qcom/sun.dtsi
index 068912c1..6172d633 100644
--- a/qcom/sun.dtsi
+++ b/qcom/sun.dtsi
@@ -3668,6 +3668,11 @@
 		reg = <0x0 0x9b09a000 0x0 0x2000>;
 	};
 
+	lost_reg_mem {
+		no-map;
+		reg = <0x0 0x9b09c000 0x0 0x4000>;
+	};
+
 	spss_region_mem: spss_region_region@9b0a0000  {
 		no-map;
 		reg = <0x0 0x9b0a0000 0x0 0x1e0000>;