ARM: dts: qcom: msm8960: Add thermal sensor (tsens)

Add support for the thermal sensor (tsens) on the MSM8960 by copying and
modifying the relevant nodes from the APQ8064 dtsi. These changes enable
thermal management.

Reviewed-by: Dmitry Baryshkov <[email protected]>
Signed-off-by: Rudraksha Gupta <[email protected]>
Reviewed-by: Konrad Dybcio <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>

Author: Rudraksha Gupta

arch/arm/boot/dts/qcom/qcom-msm8960.dtsi

@@ -52,6 +52,48 @@
 		reg = <0x80000000 0>;
 	};
 
+	thermal-zones {
+		cpu0-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+			thermal-sensors = <&tsens 0>;
+
+			trips {
+				cpu_alert0: trip0 {
+					temperature = <60000>;
+					hysteresis = <10000>;
+					type = "passive";
+				};
+
+				cpu_crit0: trip1 {
+					temperature = <95000>;
+					hysteresis = <10000>;
+					type = "critical";
+				};
+			};
+		};
+
+		cpu1-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+			thermal-sensors = <&tsens 1>;
+
+			trips {
+				cpu_alert1: trip0 {
+					temperature = <60000>;
+					hysteresis = <10000>;
+					type = "passive";
+				};
+
+				cpu_crit1: trip1 {
+					temperature = <95000>;
+					hysteresis = <10000>;
+					type = "critical";
+				};
+			};
+		};
+	};
+
 	cpu-pmu {
 		compatible = "qcom,krait-pmu";
 		interrupts = <GIC_PPI 10 0x304>;
@@ -115,6 +157,21 @@
 			cpu-offset = <0x80000>;
 		};
 
+		qfprom: efuse@700000 {
+			compatible = "qcom,msm8960-qfprom", "qcom,qfprom";
+			reg = <0x00700000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			tsens_calib: calib@404 {
+				reg = <0x404 0x10>;
+			};
+
+			tsens_backup: backup-calib@414 {
+				reg = <0x414 0x10>;
+			};
+		};
+
 		msmgpio: pinctrl@800000 {
 			compatible = "qcom,msm8960-pinctrl";
 			gpio-controller;
@@ -127,14 +184,26 @@
 		};
 
 		gcc: clock-controller@900000 {
-			compatible = "qcom,gcc-msm8960";
+			compatible = "qcom,gcc-msm8960", "syscon";
 			#clock-cells = <1>;
 			#reset-cells = <1>;
 			reg = <0x900000 0x4000>;
 			clocks = <&cxo_board>,
 				 <&pxo_board>,
 				 <&lcc PLL4>;
 			clock-names = "cxo", "pxo", "pll4";
+
+			tsens: thermal-sensor {
+				compatible = "qcom,msm8960-tsens";
+
+				nvmem-cells = <&tsens_calib>, <&tsens_backup>;
+				nvmem-cell-names = "calib", "calib_backup";
+				interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names = "uplow";
+
+				#qcom,sensors = <5>;
+				#thermal-sensor-cells = <1>;
+			};
 		};
 
 		lcc: clock-controller@28000000 {