diff --git a/qcom/lahaina-ion.dtsi b/qcom/lahaina-ion.dtsi
index d880e212a323..f6d3150bfb98 100644
--- a/qcom/lahaina-ion.dtsi
+++ b/qcom/lahaina-ion.dtsi
@@ -30,5 +30,11 @@
 				token = <0x20000000>;
 			};
 		};
+
+		qcom,ion-heap@13 { /* SPSS HEAP */
+			reg = <ION_SPSS_HEAP_ID>;
+			memory-region = <&sp_mem>;
+			qcom,ion-heap-type = "HYP_CMA";
+		};
 	};
 };
diff --git a/qcom/lahaina.dtsi b/qcom/lahaina.dtsi
index 65fb446cbd32..248cdc2aae7c 100644
--- a/qcom/lahaina.dtsi
+++ b/qcom/lahaina.dtsi
@@ -362,6 +362,14 @@
 			size = <0x0 0x2000000>;
 			linux,cma-default;
 		};
+
+		sp_mem: sp_region {  /* SPSS-HLOS ION shared mem */
+			compatible = "shared-dma-pool";
+			alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
+			reusable;
+			alignment = <0x0 0x400000>;
+			size = <0x0 0x1000000>;
+		};
 	};
 
 	chosen { };