You should modify the kvim2.dts. Thanks
diff --git a/arch/arm64/boot/dts/kvim2.dts b/arch/arm64/boot/dts/kvim2.dts
index 58f239c..d425256 100644
--- a/arch/arm64/boot/dts/kvim2.dts
+++ b/arch/arm64/boot/dts/kvim2.dts
@@ -148,8 +148,8 @@
compatible = "fanctl";
fan_ctl0 = <&gpio GPIODV_14 GPIO_ACTIVE_HIGH>;
fan_ctl1 = <&gpio GPIODV_15 GPIO_ACTIVE_HIGH>;
- trig_temp_level0 = <50>;
- trig_temp_level1 = <60>;
+ trig_temp_level0 = <60>;
+ trig_temp_level1 = <65>;
trig_temp_level2 = <70>;
};