diff --git a/qcom/lahaina-ion.dtsi b/qcom/lahaina-ion.dtsi
index 906edf35..a530be30 100644
--- a/qcom/lahaina-ion.dtsi
+++ b/qcom/lahaina-ion.dtsi
@@ -55,5 +55,11 @@
 			qcom,ion-heap-type = "DMA";
 		};
 
+		qcom,ion-heap@10 { /* SECURE DISPLAY HEAP */
+			reg = <ION_SECURE_DISPLAY_HEAP_ID>;
+			memory-region = <&secure_display_memory>;
+			qcom,ion-heap-type = "HYP_CMA";
+		};
+
 	};
 };
diff --git a/qcom/lahaina.dtsi b/qcom/lahaina.dtsi
index a1b68935..6729c014 100644
--- a/qcom/lahaina.dtsi
+++ b/qcom/lahaina.dtsi
@@ -433,6 +433,14 @@
 			size = <0x0 0x1000000>;
 		};
 
+		secure_display_memory: secure_display_region { /* Secure UI */
+			compatible = "shared-dma-pool";
+			alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
+			reusable;
+			alignment = <0x0 0x400000>;
+			size = <0x0 0xA400000>;
+		};
+
 		/* global autoconfigured region for contiguous allocations */
 		linux,cma {
 			compatible = "shared-dma-pool";