# workaround Alpine's update-raspberrypi-bootloader setting wrong initramfs initramfs initramfs # enable VC4 GPU driver dtoverlay=vc4-kms-v3d # uncomment line to enable serial on ttyS0 # NOTE: This fixes the core_freq to 250Mh #enable_uart=1 # load dwc2 USB driver dtoverlay=dwc2 # Uncomment some or all of these to enable the optional hardware interfaces #dtparam=i2c_arm=on #dtparam=i2s=on #dtparam=spi=on