arm64: dts: qcom: Add configuration for PM8950 peripheral

The PM8950 features integrated peripherals like ADC, GPIO controller,
MPPs, PON keys and others.
Add them to DT files that will be imported on boards having this PMIC
combo (or one of them, anyways).
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Co-developed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221111120156.48040-10-angelogioacchino.delregno@collabora.com

arch/arm64/boot/dts/qcom/pm8950.dtsi

+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2022, AngeloGioacchino Del Regno
+ *                     <angelogioacchino.delregno@somainline.org>
+ * Copyright (c) 2022, Marijn Suijten <marijn.suijten@somainline.org>
+ */
+
+#include <dt-bindings/iio/qcom,spmi-vadc.h>
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pinctrl/qcom,pmic-mpp.h>
+#include <dt-bindings/spmi/spmi.h>
+
+&spmi_bus {
+	pmic@0 {
+		compatible = "qcom,pm8950", "qcom,spmi-pmic";
+		reg = <0x0 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pon@800 {
+			compatible = "qcom,pm8916-pon";
+			reg = <0x0800>;
+			mode-bootloader = <0x2>;
+			mode-recovery = <0x1>;
+
+			pwrkey {
+				compatible = "qcom,pm8941-pwrkey";
+				interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
+				debounce = <15625>;
+				bias-pull-up;
+				linux,code = <KEY_POWER>;
+			};
+		};
+
+		pm8950_temp: temp-alarm@2400 {
+			compatible = "qcom,spmi-temp-alarm";
+			reg = <0x2400>;
+			interrupts = <0 0x24 0 IRQ_TYPE_EDGE_RISING>;
+			io-channels = <&pm8950_vadc VADC_DIE_TEMP>;
+			io-channel-names = "thermal";
+			#thermal-sensor-cells = <0>;
+		};
+
+		pm8950_vadc: adc@3100 {
+			compatible = "qcom,spmi-vadc";
+			reg = <0x3100>;
+			interrupts = <0x0 0x31 0x0 IRQ_TYPE_EDGE_RISING>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#io-channel-cells = <1>;
+
+			vcoin@5 {
+				reg = <VADC_VCOIN>;
+				qcom,pre-scaling = <1 1>;
+			};
+
+			vph-pwr@7 {
+				reg = <VADC_VSYS>;
+				qcom,pre-scaling = <1 1>;
+			};
+
+			die-temp@8 {
+				reg = <VADC_DIE_TEMP>;
+				qcom,pre-scaling = <1 1>;
+			};
+
+			ref-625mv@9 {
+				reg = <VADC_REF_625MV>;
+				qcom,pre-scaling = <1 1>;
+			};
+
+			ref-1250mv@a {
+				reg = <VADC_REF_1250MV>;
+				qcom,pre-scaling = <1 1>;
+			};
+
+			ref-buf-625mv@c {
+				reg = <VADC_SPARE1>;
+				qcom,pre-scaling = <1 1>;
+			};
+
+			ref-gnd@e {
+				reg = <VADC_GND_REF>;
+			};
+
+			ref-vdd@f {
+				reg = <VADC_VDD_VADC>;
+			};
+
+			pa-therm1@11 {
+				reg = <VADC_P_MUX2_1_1>;
+				qcom,pre-scaling = <1 1>;
+				qcom,ratiometric;
+				qcom,hw-settle-time = <200>;
+			};
+
+			case-therm@13 {
+				reg = <VADC_P_MUX4_1_1>;
+				qcom,pre-scaling = <1 1>;
+				qcom,ratiometric;
+				qcom,hw-settle-time = <200>;
+			};
+
+			xo-therm@32 {
+				reg = <VADC_LR_MUX3_XO_THERM>;
+				qcom,pre-scaling = <1 1>;
+				qcom,ratiometric;
+				qcom,hw-settle-time = <200>;
+			};
+
+			pa-therm0@36 {
+				reg = <VADC_LR_MUX7_HW_ID>;
+				qcom,pre-scaling = <1 1>;
+				qcom,ratiometric;
+				qcom,hw-settle-time = <200>;
+			};
+
+			xo-therm-buf@3c {
+				reg = <VADC_LR_MUX3_BUF_XO_THERM>;
+				qcom,pre-scaling = <1 1>;
+				qcom,ratiometric;
+				qcom,hw-settle-time = <200>;
+			};
+		};
+
+		rtc@6000 {
+			compatible = "qcom,pm8941-rtc";
+			reg = <0x6000>;
+			reg-names = "rtc", "alarm";
+			interrupts = <0x0 0x61 0x1 IRQ_TYPE_NONE>;
+		};
+
+		pm8950_mpps: mpps@a000 {
+			compatible = "qcom,pm8950-mpp", "qcom,spmi-mpp";
+			reg = <0xa000>;
+			gpio-controller;
+			gpio-ranges = <&pm8950_mpps 0 0 4>;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		pm8950_gpio: gpio@c000 {
+			compatible = "qcom,pm8950-gpio", "qcom,spmi-gpio";
+			reg = <0xc000>;
+			gpio-controller;
+			gpio-ranges = <&pm8950_gpio 0 0 8>;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
+
+	pmic@1 {
+		compatible = "qcom,pm8950", "qcom,spmi-pmic";
+		reg = <0x1 SPMI_USID>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		pm8950_spmi_regulators: regulators {
+			compatible = "qcom,pm8950-regulators";
+		};
+	};
+};