arm64: dts: qcom: pmr735b: add temp sensor and thermal zone config

Add temp-alarm device tree node and a default configuration for the
corresponding thermal zone for this PMIC. Temperatures are based on
downstream values.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220226205035.1826360-4-dmitry.baryshkov@linaro.org

arch/arm64/boot/dts/qcom/pmr735b.dtsi

@@ -6,6 +6,30 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/spmi/spmi.h>
 
+/ {
+	thermal-zones {
+		pmr735a_thermal: pmr735a-thermal {
+			polling-delay-passive = <100>;
+			polling-delay = <0>;
+			thermal-sensors = <&pmr735b_temp_alarm>;
+
+			trips {
+				pmr735b_trip0: trip0 {
+					temperature = <95000>;
+					hysteresis = <0>;
+					type = "passive";
+				};
+
+				pmr735b_crit: pmr735a-crit {
+					temperature = <115000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+	};
+};
+
 &spmi_bus {
 	pmr735b: pmic@5 {
 		compatible = "qcom,pmr735b", "qcom,spmi-pmic";
@@ -13,6 +37,13 @@ pmr735b: pmic@5 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+		pmr735b_temp_alarm: temp-alarm@a00 {
+			compatible = "qcom,spmi-temp-alarm";
+			reg = <0xa00>;
+			interrupts = <0x5 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
+			#thermal-sensor-cells = <0>;
+		};
+
 		pmr735b_gpios: gpio@8800 {
 			compatible = "qcom,pmr735b-gpio";
 			reg = <0x8800>;