OpenVoiceOS/buildroot-external/board/raspberrypi/config.txt

# Please note that this is only a sample, we recommend you to change it to fit
# your needs.
# You should override this file using a post-build script.
# See http://buildroot.org/manual.html#rootfs-custom
# and http://elinux.org/RPiconfig for a description of config.txt syntax

kernel=zImage

# To use an external initramfs file
# initramfs rootfs.cpio.gz

# Disable overscan assuming the display supports displaying the full resolution
# If the text shown on the screen disappears off the edge, comment this out
disable_overscan=1
hdmi_group=1
hdmi_mode=4
max_framebuffers=2
dtoverlay=vc4-fkms-v3d

# uncomment if you get no picture on HDMI for a default "safe" mode
# hdmi_safe=1

# How much memory in MB to assign to the GPU on Pi models having
# 256, 512 or 1024 MB total memory
gpu_mem_256=100
gpu_mem_512=100
gpu_mem_1024=100

# Enable the onboard soundcard
dtparam=audio=on

# Disable rainbow color splash
disable_splash=1

# Enable some optional hardware interfaces
dtparam=i2c_arm=on
dtoverlay=i2s-mmap
dtparam=i2s=on
dtparam=spi=on

# Disable GPIO IRQ
dtoverlay=gpio-no-irq