arm64: dts: allwinner: a64: Add thermal zones and enable thermal sensors

A64 has 3 thermal sensors: 1 for CPU, 2 for GPU. Add thermal sensor node
and define thermal zones.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>

arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts

@@ -287,6 +287,10 @@
 	regulator-name = "vcc-rtc";
 };
 
+&ths {
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;

arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts

@@ -363,6 +363,10 @@
 			"MIC1", "Onboard Microphone";
 };
 
+&ths {
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;

arch/arm64/boot/dts/allwinner/sun50i-a64-nanopi-a64.dts

@@ -274,6 +274,10 @@
 	vcc-hdmi-supply = <&reg_dldo1>;
 };
 
+&ths {
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;

arch/arm64/boot/dts/allwinner/sun50i-a64-oceanic-5205-5inmfd.dts

@@ -72,6 +72,9 @@
 	regulator-min-microvolt = <2800000>;
 	regulator-max-microvolt = <2800000>;
 	regulator-name = "vdd-ctp";
+};
+
+&ths {
 	status = "okay";
 };
 

arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts

@@ -307,6 +307,10 @@
 	vcc-hdmi-supply = <&reg_dldo1>;
 };
 
+&ths {
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;

arch/arm64/boot/dts/allwinner/sun50i-a64-orangepi-win.dts

@@ -345,6 +345,10 @@
 	};
 };
 
+&ths {
+	status = "okay";
+};
+
 /* On debug connector */
 &uart0 {
 	pinctrl-names = "default";

arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts

@@ -297,6 +297,10 @@
 	status = "disabled";
 };
 
+&ths {
+	status = "okay";
+};
+
 /* On Exp and Euler connectors */
 &uart0 {
 	pinctrl-names = "default";

arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts

@@ -334,6 +334,10 @@
 			"MIC2", "Internal Microphone Right";
 };
 
+&ths {
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;

arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts

@@ -204,6 +204,10 @@
 	status = "okay";
 };
 
+&ths {
+	status = "okay";
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;

arch/arm64/boot/dts/allwinner/sun50i-a64-teres-i.dts

@@ -316,6 +316,9 @@
 			"MIC1", "Internal Microphone",
 			"Headset Microphone", "HBIAS",
 			"MIC2", "Headset Microphone";
+};
+
+&ths {
 	status = "okay";
 };
 

arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi

@@ -49,6 +49,7 @@
 #include <dt-bindings/reset/sun50i-a64-ccu.h>
 #include <dt-bindings/reset/sun8i-de2.h>
 #include <dt-bindings/reset/sun8i-r-ccu.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -89,6 +90,7 @@
 			reg = <0>;
 			enable-method = "psci";
 			next-level-cache = <&L2>;
+			#cooling-cells = <2>;
 		};
 
 		cpu1: cpu@1 {
@@ -202,6 +204,60 @@
 			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
 	};
 
+	thermal-zones {
+		cpu_thermal: cpu0-thermal {
+			/* milliseconds */
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+			thermal-sensors = <&ths 0>;
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert0>;
+					cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+				map1 {
+					trip = <&cpu_alert1>;
+					cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+			trips {
+				cpu_alert0: cpu_alert0 {
+					/* milliCelsius */
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_alert1: cpu_alert1 {
+					/* milliCelsius */
+					temperature = <90000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
+				cpu_crit: cpu_crit {
+					/* milliCelsius */
+					temperature = <110000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+		gpu0_thermal: gpu0-thermal {
+			/* milliseconds */
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+			thermal-sensors = <&ths 1>;
+		};
+		gpu1_thermal: gpu1-thermal {
+			/* milliseconds */
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+			thermal-sensors = <&ths 2>;
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <1>;
@@ -797,6 +853,18 @@
 			status = "disabled";
 		};
 
+		ths: thermal-sensor@1c25000 {
+			compatible = "allwinner,sun50i-a64-ths";
+			reg = <0x01c25000 0x100>;
+			clocks = <&ccu CLK_BUS_THS>, <&ccu CLK_THS>;
+			clock-names = "bus", "ahb";
+			interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+			resets = <&ccu RST_BUS_THS>;
+			nvmem-cells = <&tsen_calib>;
+			nvmem-cell-names = "calib";
+			#thermal-sensor-cells = <1>;
+		};
+
 		uart0: serial@1c28000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x01c28000 0x400>;