fan ok

kernel/arch/arm64/boot/dts/rockchip/rk3528-armsom-sige1.dts

@@ -123,20 +123,6 @@
 		status = "okay";
 	};
 
-	vdd_gpu: vdd-gpu {
-		compatible = "pwm-regulator";
-		pwms = <&pwm0 0 5000 1>;
-		regulator-name = "vdd_gpu";
-		regulator-min-microvolt = <705000>;
-		regulator-max-microvolt = <1148000>;
-		regulator-init-microvolt = <900000>;
-		regulator-always-on;
-		regulator-boot-on;
-		regulator-settling-time-up-us = <250>;
-		pwm-supply = <&vcc5v0_sys>;
-		status = "okay";
-	};
-
 	vdd_0v9_s3: vdd-0v9-s3 {
 		compatible = "regulator-fixed";
 		regulator-name = "vdd_0v9_s3";
@@ -307,6 +293,20 @@
 			label = "green:user";
 		};
 	};
+
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		#cooling-cells = <2>;
+		pwms = <&pwm6 0 50000 0>;
+		cooling-levels = <0 50 100 150 200 255>;
+		rockchip,temp-trips = <
+			50000	1
+			55000	2
+			60000	3
+			65000	4
+			70000	5
+		>;
+	};
 };
 
 &acodec {
@@ -340,7 +340,7 @@
 };
 
 &gpu {
-	mali-supply = <&vdd_gpu>;
+	mali-supply = <&vdd_logic>;
 	status = "okay";
 };
 
@@ -594,12 +594,6 @@
 		};
 	};
 
-	fan {
-		fan_en: fan-en {
-			rockchip,pins = <3 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
-		};
-	};
-
 	led {
 		led_red_en: led-red-en {
 			rockchip,pins = <3 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
@@ -610,6 +604,27 @@
 	};
 };
 
+&pwm0 {
+	status = "okay";
+};
+
+&pwm1 {
+	status = "okay";
+};
+
+&pwm2 {
+	status = "okay";
+};
+
+&pwm3 {
+	status = "okay";
+};
+
+&pwm6 {
+	status = "okay";
+	pinctrl-0 = <&pwm6m2_pins>;
+};
+
 &acodec {
 	pa-ctl-gpios = <&gpio3 RK_PA4 GPIO_ACTIVE_HIGH>;
 	status = "okay";

kernel/arch/arm64/configs/rockchip_linux_defconfig

@@ -2854,6 +2854,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
+CONFIG_SENSORS_PWM_FAN=y
 CONFIG_THERMAL=y
 # CONFIG_THERMAL_NETLINK is not set
 # CONFIG_THERMAL_STATISTICS is not set