From 13c54cd9b377b0c9142186e7e46ee28022776ed5 Mon Sep 17 00:00:00 2001
From: Robert Marko <robimarko@gmail.com>
Date: Wed, 15 Apr 2026 13:01:29 +0200
Subject: [PATCH] qualcommax: ipq807x: ax9000: wire up the fan

Now that we have a proper driver support for the onboard EMC2301 lets
wire up the fan as a cooling device on the Xiaomi AX9000.

Link: https://github.com/openwrt/openwrt/pull/22942
Signed-off-by: Robert Marko <robimarko@gmail.com>
---
 .../linux/qualcommax/dts/ipq8072-ax9000.dts   | 100 ++++++++++++++++++
 target/linux/qualcommax/image/ipq807x.mk      |   2 +-
 2 files changed, 101 insertions(+), 1 deletion(-)

diff --git a/target/linux/qualcommax/dts/ipq8072-ax9000.dts b/target/linux/qualcommax/dts/ipq8072-ax9000.dts
index 54c1388597..b44eaa4c42 100644
--- a/target/linux/qualcommax/dts/ipq8072-ax9000.dts
+++ b/target/linux/qualcommax/dts/ipq8072-ax9000.dts
@@ -9,6 +9,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/pwm/pwm.h>
 
 / {
 	model = "Xiaomi AX9000";
@@ -121,6 +122,20 @@
 
 	pinctrl-0 = <&i2c_pins>;
 	pinctrl-names = "default";
+
+	fan_controller: fan-controller@2f {
+		compatible = "microchip,emc2301", "microchip,emc2305";
+		reg = <0x2f>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		#pwm-cells = <3>;
+
+		fan: fan@0 {
+			reg = <0>;
+			pwms = <&fan_controller 26000 0 1>;
+			#cooling-cells = <2>;
+		};
+	};
 };
 
 &prng {
@@ -576,3 +591,88 @@
 
 	qcom,ath11k-calibration-variant = "Xiaomi-AX9000";
 };
+
+&cpu0_thermal {
+	trips {
+		cpu0_active: cpu-active {
+			temperature = <70000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		map2 {
+			trip = <&cpu0_active>;
+			cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+		};
+	};
+};
+
+&cpu1_thermal {
+	trips {
+		cpu1_active: cpu-active {
+			temperature = <70000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		map2 {
+			trip = <&cpu1_active>;
+			cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+		};
+	};
+};
+
+&cpu2_thermal {
+	trips {
+		cpu2_active: cpu-active {
+			temperature = <70000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		map2 {
+			trip = <&cpu2_active>;
+			cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+		};
+	};
+};
+
+&cpu3_thermal {
+	trips {
+		cpu3_active: cpu-active {
+			temperature = <70000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		map2 {
+			trip = <&cpu3_active>;
+			cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+		};
+	};
+};
+
+&cluster_thermal {
+	trips {
+		cluster_active: cluster-active {
+			temperature = <70000>;
+			hysteresis = <2000>;
+			type = "active";
+		};
+	};
+
+	cooling-maps {
+		map2 {
+			trip = <&cluster_active>;
+			cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+		};
+	};
+};
diff --git a/target/linux/qualcommax/image/ipq807x.mk b/target/linux/qualcommax/image/ipq807x.mk
index 747123fe20..d1f42dd617 100644
--- a/target/linux/qualcommax/image/ipq807x.mk
+++ b/target/linux/qualcommax/image/ipq807x.mk
@@ -539,7 +539,7 @@ define Device/xiaomi_ax9000
 	SOC := ipq8072
 	KERNEL_SIZE := 57344k
 	DEVICE_PACKAGES := ipq-wifi-xiaomi_ax9000 kmod-ath11k-pci ath11k-firmware-qcn9074 \
-		kmod-ath10k-ct ath10k-firmware-qca9887-ct
+		kmod-ath10k-ct ath10k-firmware-qca9887-ct kmod-hwmon-emc2305
 ifeq ($(IB),)
 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
 	ARTIFACTS := initramfs-factory.ubi