diff --git a/qcom/sdxlemur-ion.dtsi b/qcom/sdxlemur-ion.dtsi
index 3ad735dd3ecb..81fca5839dc6 100644
--- a/qcom/sdxlemur-ion.dtsi
+++ b/qcom/sdxlemur-ion.dtsi
@@ -14,6 +14,23 @@
 		qcom,ion-heap@8 { /* AUDIO HEAP */
 			reg = <ION_AUDIO_HEAP_ID>;
 			memory-region = <&audio_mem>;
+		};
+
+		qcom,ion-heap@26 { /* USER CONTIG HEAP */
+			reg = <ION_USER_CONTIG_HEAP_ID>;
+			memory-region = <&user_contig_mem>;
+			qcom,ion-heap-type = "DMA";
+		};
+
+		qcom,ion-heap@27 { /* QSEECOM HEAP */
+			reg = <ION_QSECOM_HEAP_ID>;
+			memory-region = <&qseecom_mem>;
+			qcom,ion-heap-type = "DMA";
+		};
+
+		qcom,ion-heap@19 { /* QSEECOM TA HEAP */
+			reg = <ION_QSECOM_TA_HEAP_ID>;
+			memory-region = <&qseecom_ta_mem>;
 			qcom,ion-heap-type = "DMA";
 		};
 	};
diff --git a/qcom/sdxlemur.dtsi b/qcom/sdxlemur.dtsi
index 45c85de22026..3fdbd5763579 100644
--- a/qcom/sdxlemur.dtsi
+++ b/qcom/sdxlemur.dtsi
@@ -53,6 +53,31 @@
 			linux,cma-default;
 		};
 
+		user_contig_mem: user_contig_region {
+			compatible = "shared-dma-pool";
+			alloc-ranges = <0x00000000 0xffffffff>;
+			reusable;
+			alignment = <0x400000>;
+			size = <0x1400000>;
+		};
+
+		qseecom_mem: qseecom_region {
+			compatible = "shared-dma-pool";
+			alloc-ranges = <0x00000000 0xffffffff>;
+			reusable;
+			alignment = <0x400000>;
+			size = <0x1400000>;
+		};
+
+		qseecom_ta_mem: qseecom_ta_region {
+			compatible = "shared-dma-pool";
+			alloc-ranges = <0x00000000 0xffffffff>;
+			reusable;
+			alignment = <0x400000>;
+			size = <0x1000000>;
+		};
+
+
 		audio_mem: audio_region@0 {
 			compatible = "shared-dma-pool";
 			alloc-ranges = <0x00000000 0xffffffff>;
@@ -1358,6 +1383,21 @@
 			<&apps_smmu 0x0074 0x0011>;
 	};
 
+	qcom_qseecom: qseecom@90000000 {
+		compatible = "qcom,qseecom";
+		reg = <0x90000000 0x500000>;
+		reg-names = "secapp-region";
+		memory-region = <&qseecom_mem>;
+		qcom,hlos-num-ce-hw-instances = <1>;
+		qcom,hlos-ce-hw-instance = <0>;
+		qcom,qsee-ce-hw-instance = <0>;
+		qcom,disk-encrypt-pipe-pair = <2>;
+		qcom,no-clock-support;
+		qcom,qsee-reentrancy-support = <2>;
+		interconnect-names = "data_path";
+		interconnects = <&system_noc MASTER_CRYPTO &mc_virt SLAVE_EBI1>;
+	};
+
 	qcom,rmtfs_sharedmem@0 {
 		compatible = "qcom,sharedmem-uio";
 		reg = <0x0 0x400000>;