arch/arm64/boot/dts/vendor/qcom/msm8917-ion.dtsi

&soc {
	qcom,ion {
		compatible = "qcom,msm-ion";
		#address-cells = <1>;
		#size-cells = <0>;

		qcom,ion-heap@25 {
			reg = <25>;
			qcom,ion-heap-type = "SYSTEM";
		};

		qcom,ion-heap@27 { /* QSEECOM HEAP */
			reg = <27>;
			memory-region = <&qseecom_mem>;
			qcom,ion-heap-type = "DMA";
		};

		qcom,ion-heap@19 { /* QSEECOM TA HEAP */
			reg = <19>;
			memory-region = <&qseecom_ta_mem>;
			qcom,ion-heap-type = "DMA";
		};
	};
};