diff --git a/qcom/tuna.dtsi b/qcom/tuna.dtsi
index 7989917a..e3bb0ab8 100644
--- a/qcom/tuna.dtsi
+++ b/qcom/tuna.dtsi
@@ -2048,6 +2048,51 @@
 		};
 	};
 
+	qcom,memshare {
+		compatible = "qcom,memshare";
+
+		qcom,client_1 {
+			compatible = "qcom,memshare-peripheral";
+			qcom,peripheral-size = <0x0>;
+			qcom,client-id = <0>;
+			qcom,allocate-boot-time;
+			label = "modem";
+		};
+
+		qcom,client_2 {
+			compatible = "qcom,memshare-peripheral";
+			qcom,peripheral-size = <0x0>;
+			qcom,client-id = <2>;
+			label = "modem";
+		};
+
+		qcom,client_3 {
+			compatible = "qcom,memshare-peripheral";
+			qcom,peripheral-size = <0x500000>;
+			qcom,client-id = <1>;
+			qcom,allocate-on-request;
+			label = "modem";
+		};
+
+		qcom,client_ims_1 {
+			compatible = "qcom,memshare-peripheral";
+			qcom,peripheral-size = <0x100000>;
+			qcom,client-id = <7>;
+			qcom,allocate-on-request;
+			qcom,shared;
+			label = "modem";
+		};
+
+		qcom,client_ims_2 {
+			compatible = "qcom,memshare-peripheral";
+			qcom,peripheral-size = <0x100000>;
+			qcom,client-id = <8>;
+			qcom,allocate-on-request;
+			qcom,shared;
+			label = "modem";
+		};
+	};
+
 	google,debug-kinfo {
 		compatible = "google,debug-kinfo";
 		memory-region = <&kinfo_mem>;