[all] kernel=vmlinuz cmdline=cmdline.txt initramfs initrd.img followkernel [pi4] max_framebuffers=2 arm_boost=1 [all] # Enable the audio output, I2C and SPI interfaces on the GPIO header. As these # parameters related to the base device-tree they must appear *before* any # other dtoverlay= specification dtparam=audio=on dtparam=i2c_arm=on dtparam=spi=on # Comment out the following line if the edges of the desktop appear outside # the edges of your display disable_overscan=1 # If you have issues with audio, you may try uncommenting the following line # which forces the HDMI output into HDMI mode instead of DVI (which doesn't # support audio output) #hdmi_drive=2 # Enable the serial pins enable_uart=1 # Autoload overlays for any recognized cameras or displays that are attached # to the CSI/DSI ports. Please note this is for libcamera support, *not* for # the legacy camera stack camera_auto_detect=1 display_auto_detect=1 # Config settings specific to arm64 arm_64bit=1 dtoverlay=dwc2 [cm4] # Enable the USB2 outputs on the IO board (assuming your CM4 is plugged into # such a board) dtoverlay=dwc2,dr_mode=host [all] # User configurable settings include usercfg.txt