arm64: dts: qcom: Add PMK8550 pmic dtsi

Add nodes for PMK8550 in separate dtsi file.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230106201047.337409-9-abel.vesa@linaro.org

arch/arm64/boot/dts/qcom/pmk8550.dtsi

+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2022, Linaro Limited
+ */
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/spmi/spmi.h>
+
+&spmi_bus {
+	pmk8550: pmic@0 {
+		compatible = "qcom,pm8550", "qcom,spmi-pmic";
+		reg = <0x0 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pmk8550_pon: pon@1300 {
+			compatible = "qcom,pm8998-pon";
+			reg = <0x1300>, <0x800>;
+			reg-names = "hlos", "pbs";
+
+			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";
+			};
+		};
+
+		pmk8550_rtc: rtc@6100 {
+			compatible = "qcom,pmk8350-rtc";
+			reg = <0x6100>, <0x6200>;
+			reg-names = "rtc", "alarm";
+			interrupts = <0x0 0x62 0x1 IRQ_TYPE_EDGE_RISING>;
+			status = "disabled";
+		};
+
+		pmk8550_gpios: gpio@8800 {
+			compatible = "qcom,pmk8550-gpio", "qcom,spmi-gpio";
+			reg = <0xb800>;
+			gpio-controller;
+			gpio-ranges = <&pmk8550_gpios 0 0 6>;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
+};