diff --git a/qcom/sm8150-dma-heaps.dtsi b/qcom/sm8150-dma-heaps.dtsi
index 3b46c5b0..c2a1bed8 100644
--- a/qcom/sm8150-dma-heaps.dtsi
+++ b/qcom/sm8150-dma-heaps.dtsi
@@ -31,7 +31,7 @@
 
 		qcom,qseecom {
 			qcom,dma-heap-name = "qcom,qseecom";
-			qcom,dma-heap-type = <HEAP_TYPE_CMA>;
+			qcom,dma-heap-type = <HEAP_TYPE_CARVEOUT>;
 			memory-region = <&qseecom_mem>;
 		};
 
diff --git a/qcom/sm8150.dtsi b/qcom/sm8150.dtsi
index 77f81a81..db28dec9 100644
--- a/qcom/sm8150.dtsi
+++ b/qcom/sm8150.dtsi
@@ -456,10 +456,8 @@
 
 		qseecom_mem: qseecom_region {
 			compatible = "shared-dma-pool";
-			alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
-			reusable;
-			alignment = <0x0 0x400000>;
-			size = <0x0 0x1400000>;
+			no-map;
+			reg = <0x0 0x9e400000 0x0 0x1400000>;
 		};
 
 		cdsp_sec_mem: cdsp_sec_regions {