diff -Naur linux-5.3-rc8-old/arch/arm64/boot/dts/amlogic/meson-gxl-s905w-tx3-mini.dts linux-5.3-rc8-new/arch/arm64/boot/dts/amlogic/meson-gxl-s905w-tx3-mini.dts
--- linux-5.3-rc8-old/arch/arm64/boot/dts/amlogic/meson-gxl-s905w-tx3-mini.dts	2019-09-10 13:18:29.000000007 +0200
+++ linux-5.3-rc8-new/arch/arm64/boot/dts/amlogic/meson-gxl-s905w-tx3-mini.dts	2019-09-10 11:51:15.700000008 +0200
@@ -10,6 +10,7 @@
 
 #include "meson-gxl-s905x.dtsi"
 #include "meson-gx-p23x-q20x.dtsi"
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	compatible = "oranth,tx3-mini", "amlogic,s905w", "amlogic,meson-gxl";
@@ -19,8 +20,49 @@
 		device_type = "memory";
 		reg = <0x0 0x0 0x0 0x40000000>; /* 1 GiB or 2 GiB */
 	};
-};
 
-&ir {
-	linux,rc-map-name = "rc-tanix-tx3mini";
+	thermal-zones {
+		cpu-thermal {
+			polling-delay-passive = <250>; /* milliseconds */
+			polling-delay = <1000>; /* milliseconds */
+
+			thermal-sensors = <&scpi_sensors 0>;
+
+			trips {
+				cpu_alert0: cpu-alert0 {
+					temperature = <70000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "active";
+				};
+
+				cpu_alert1: cpu-alert1 {
+					temperature = <80000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "passive";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert0>;
+					cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
+				};
+
+				map1 {
+					trip = <&cpu_alert1>;
+					cooling-device = <&gpio_fan THERMAL_NO_LIMIT 1>;
+				};
+			};
+		};
+	};
+
+	gpio_fan: gpio-fan {
+		compatible = "gpio-fan";
+		/* Dummy RPM values since fan is optional */
+		gpio-fan,speed-map = <0 0
+				      1 1
+				      2 2
+				      3 3>;
+		#cooling-cells = <2>;
+	};
 };