arm64: dts: qcom: qcm6490-fairphone-fp5: Add PMK7325 thermals

Configure the thermals for the XO_THERM line connected to PMK7325 (named
in software PMK8350).
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20231013-fp5-thermals-v1-3-f14df01922e6@fairphone.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts

@@ -9,6 +9,7 @@
 #define PM7250B_SID 8
 #define PM7250B_SID1 9
 
+#include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
 #include <dt-bindings/leds/common.h>
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
@@ -163,6 +164,20 @@ active-config0 {
 				};
 			};
 		};
+
+		xo-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&pmk8350_adc_tm 0>;
+
+			trips {
+				active-config0 {
+					temperature = <125000>;
+					hysteresis = <1000>;
+					type = "passive";
+				};
+			};
+		};
 	};
 };
 
@@ -514,10 +529,33 @@ led-0 {
 	};
 };
 
+&pmk8350_adc_tm {
+	status = "okay";
+
+	xo-therm@0 {
+		reg = <0>;
+		io-channels = <&pmk8350_vadc PMK8350_ADC7_AMUX_THM1_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time-us = <200>;
+	};
+};
+
 &pmk8350_rtc {
 	status = "okay";
 };
 
+&pmk8350_vadc {
+	status = "okay";
+
+	channel@44 {
+		reg = <PMK8350_ADC7_AMUX_THM1_100K_PU>;
+		qcom,ratiometric;
+		qcom,hw-settle-time = <200>;
+		qcom,pre-scaling = <1 1>;
+		label = "pmk8350_xo_therm";
+	};
+};
+
 &pon_pwrkey {
 	status = "okay";
 };