joekhoobyar Posted February 29 Share Posted February 29 At least for legacy kernels, it possible to use Radxa's overlay for the 25W PoE hat. This should allow you to use the PWM fan on the PoE hat. #!/bin/bash # Install linux headers apt-get install -y linux-headers-legacy-rk35xx # Download and compile the device tree overlay h=/usr/src/linux-headers-$(uname -r) wget https://raw.githubusercontent.com/radxa/overlays/f2679399887b678dec62cb50cb44c767a2bcb293/arch/arm64/boot/dts/rockchip/overlays/rock-5b-radxa-25w-poe.dts cpp -nostdinc -I $h/include -I $h/arch -undef -x assembler-with-cpp rock-5b-radxa-25w-poe.dts | dtc -I dts -O dtb -o rock-5b-radxa-25w-poe.dtbo # Install device tree overlay mkdir -p /boot/overlay-user mv rock-5b-radxa-25w-poe.dtbo /boot/overlay-user echo 'user_overlays=rock-5b-radxa-25w-poe' >>/boot/armbianEnv.txt 1 Quote Link to comment Share on other sites More sharing options...
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