diff --git a/qcom/tuna-dma-heaps.dtsi b/qcom/tuna-dma-heaps.dtsi
index 6472b080..ac87057a 100644
--- a/qcom/tuna-dma-heaps.dtsi
+++ b/qcom/tuna-dma-heaps.dtsi
@@ -9,5 +9,11 @@
 	qcom,dma-heaps {
 		compatible = "qcom,dma-heaps";
 		depends-on-supply = <&qcom_scm>;
+
+		qcom,secure_cdsp {
+			qcom,dma-heap-name = "qcom,cma-secure-cdsp";
+			qcom,dma-heap-type = <HEAP_TYPE_CMA>;
+			memory-region = <&cdsp_secure_heap_cma>;
+		};
 	};
 };
diff --git a/qcom/tuna.dtsi b/qcom/tuna.dtsi
index 0833118d..e0d0b7e4 100644
--- a/qcom/tuna.dtsi
+++ b/qcom/tuna.dtsi
@@ -701,6 +701,12 @@
 		interrupt-names = "smp2p-sleepstate-in";
 	};
 
+	qcom,msm-adsprpc-mem {
+		compatible = "qcom,msm-adsprpc-mem-region";
+		memory-region = <&adsp_mem_heap>;
+		restrict-access;
+	};
+
 	clocks {
 		xo_board: xo_board {
 			compatible = "fixed-clock";
@@ -1407,6 +1413,22 @@
 		no-map;
 		reg = <0x0 0x81c60000 0x0 0x20000>;
 	};
+
+	adsp_mem_heap: adsp_heap_region {
+		compatible = "shared-dma-pool";
+		alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
+		reusable;
+		alignment = <0x0 0x400000>;
+		size = <0x0 0xC00000>;
+	};
+
+	cdsp_secure_heap_cma: secure_cdsp_region { /* Secure DSP */
+		compatible = "shared-dma-pool";
+		alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
+		reusable;
+		alignment = <0x0 0x400000>;
+		size = <0x0 0x4800000>;
+	};
 };
 
 #include "tuna-pinctrl.dtsi"