diff --git a/qcom/shima-ion.dtsi b/qcom/shima-ion.dtsi
index 0a1bc129fe87..492860866012 100644
--- a/qcom/shima-ion.dtsi
+++ b/qcom/shima-ion.dtsi
@@ -16,5 +16,10 @@
 			qcom,ion-heap-type = "SYSTEM_SECURE";
 		};
 
+		qcom,ion-heap@10 { /* SECURE DISPLAY HEAP */
+			reg = <10>;
+			memory-region = <&secure_display_memory>;
+			qcom,ion-heap-type = "HYP_CMA";
+		};
 	};
 };
diff --git a/qcom/shima.dtsi b/qcom/shima.dtsi
index 9cb471e8bec1..56cf4a5394a4 100644
--- a/qcom/shima.dtsi
+++ b/qcom/shima.dtsi
@@ -302,6 +302,14 @@
 			reg = <0x0 0xd0000000 0x0 0xa600000>;
 		};
 
+		secure_display_memory: secure_display_region {
+			compatible = "shared-dma-pool";
+			alloc-ranges = <0 0x00000000 0 0xffffffff>;
+			reusable;
+			alignment = <0 0x400000>;
+			size = <0 0xA000000>;
+		};
+
 		/* global autoconfigured region for contiguous allocations */
 		linux,cma {
 			compatible = "shared-dma-pool";