arm64: dts: qcom: pm6150: Add thermal zone for PMIC on-die temperature

Add a thermal zone for the pm6150 on-die temperature. The system should
try to shut down orderly when the temperature reaches the critical trip
point at 115°C, otherwise the PMIC will perform a HW power off at 145°C.
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20210603081215.v2.1.Id4510e9e4baaa3f6c9fdd5cdf4d8606e63c262e3@changeidSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/pm6150.dtsi

@@ -7,6 +7,30 @@
 #include <dt-bindings/spmi/spmi.h>
 #include <dt-bindings/thermal/thermal.h>
 
+/ {
+	thermal-zones {
+		pm6150_thermal: pm6150-thermal {
+			polling-delay-passive = <100>;
+			polling-delay = <0>;
+			thermal-sensors = <&pm6150_temp>;
+
+			trips {
+				pm6150_trip0: trip0 {
+					temperature = <95000>;
+					hysteresis = <0>;
+					type = "passive";
+				};
+
+				pm6150_crit: crit {
+					temperature = <115000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+	};
+};
+
 &spmi_bus {
 	pm6150_lsid0: pmic@0 {
 		compatible = "qcom,pm6150", "qcom,spmi-pmic";