diff --git a/qcom/cape-reserved-memory.dtsi b/qcom/cape-reserved-memory.dtsi
index 29d091e7..ddb73af2 100644
--- a/qcom/cape-reserved-memory.dtsi
+++ b/qcom/cape-reserved-memory.dtsi
@@ -170,6 +170,18 @@
 		reg = <0x0 0xe55f3000 0x0 0x9000>;
 	};
 
+	trust_ui_vm_vblk0_ring: trust_ui_vm_vblk0_ring@e55fc000 {
+		no-map;
+		reg = <0x0 0xe55fc000 0x0 0x4000>;
+		gunyah-label = <0x11>;
+	};
+
+	trust_ui_vm_swiotlb: trust_ui_vm_swiotlb@e5600000 {
+		no-map;
+		reg = <0x0 0xe5600000 0x0 0x100000>;
+		gunyah-label = <0x12>;
+	};
+
 	tz_stat_mem: tz_stat_region@e8800000 {
 		no-map;
 		reg = <0x0 0xe8800000 0x0 0x100000>;
diff --git a/qcom/cape.dtsi b/qcom/cape.dtsi
index 61e1d8c8..283545c8 100644
--- a/qcom/cape.dtsi
+++ b/qcom/cape.dtsi
@@ -1003,6 +1003,18 @@
 		shared-buffer = <&trust_ui_vm_qrtr>;
 	};
 
+	trust_ui_vm: qcom,trust_ui_vm@e55fc000 {
+		reg = <0xe55fc000 0x104000>;
+		vm_name = "trustedvm";
+		shared-buffers = <&trust_ui_vm_vblk0_ring &trust_ui_vm_swiotlb>;
+	};
+
+	qcom,virtio_backend@0 {
+		compatible = "qcom,virtio_backend";
+		qcom,vm = <&trust_ui_vm>;
+		qcom,label = <0x11>;
+	};
+
 	memtimer: timer@17420000 {
 		#address-cells = <1>;
 		#size-cells = <1>;