---- board.dts ---
&spmi {
	pmk8350@0 {
		reg = <0x0 SPMI_USID>;
		#include "pmk8350.dtsi"
	}

	pmk8350@6 {
		reg = <0x6 SPMI_USID>;
		#include "pmk8350.dtsi"
	}
}

---- pmk8350.dtsi ---
		compatible = "qcom,pmk8350", "qcom,spmi-pmic";
		#address-cells = <1>;
		#size-cells = <0>;

		pmk8350_pon: pon@1300 {
			compatible = "qcom,pm8998-pon";
			reg = <0x1300>;

			pon_pwrkey: pwrkey {
				compatible = "qcom,pmk8350-pwrkey";
				interrupts = <0x0 0x13 0x7 IRQ_TYPE_EDGE_BOTH>;
				linux,code = <KEY_POWER>;
				status = "disabled";
			};

			pon_resin: resin {
				compatible = "qcom,pmk8350-resin";
				interrupts = <0x0 0x13 0x6 IRQ_TYPE_EDGE_BOTH>;
				status = "disabled";
			};
		};
...