Created
December 13, 2023 15:56
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Mame Gear config
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| # For more options and information see | |
| # http://rpf.io/configtxt | |
| # Some settings may impact device functionality. See link above for details | |
| # uncomment if you get no picture on HDMI for a default "safe" mode | |
| #hdmi_safe=1 | |
| # uncomment this if your display has a black border of unused pixels visible | |
| # and your display can output without overscan | |
| disable_overscan=1 | |
| # uncomment the following to adjust overscan. Use positive numbers if console | |
| # goes off screen, and negative if there is too much border | |
| #overscan_left=16 | |
| #overscan_right=16 | |
| #overscan_top=16 | |
| #overscan_bottom=16 | |
| # uncomment to force a console size. By default it will be display's size minus | |
| # overscan. | |
| #framebuffer_width=1280 | |
| #framebuffer_height=720 | |
| # uncomment if hdmi display is not detected and composite is being output | |
| #hdmi_force_hotplug=1 | |
| # uncomment to force a specific HDMI mode (this will force VGA) | |
| #hdmi_group=2 | |
| #hdmi_mode=9 | |
| # uncomment to force a HDMI mode rather than DVI. This can make audio work in | |
| # DMT (computer monitor) modes | |
| #hdmi_drive=2 | |
| # uncomment to increase signal to HDMI, if you have interference, blanking, or | |
| # no display | |
| #config_hdmi_boost=4 | |
| # uncomment for composite PAL | |
| #sdtv_mode=2 | |
| #uncomment to overclock the arm. 700 MHz is the default. | |
| #arm_freq=800 | |
| # Uncomment some or all of these to enable the optional hardware interfaces | |
| #dtparam=i2c_arm=on | |
| #dtparam=i2s=on | |
| #dtparam=spi=on | |
| # Uncomment this to enable infrared communication. | |
| #dtoverlay=gpio-ir,gpio_pin=17 | |
| #dtoverlay=gpio-ir-tx,gpio_pin=18 | |
| # Additional overlays and parameters are documented /boot/overlays/README | |
| # Enable audio (loads snd_bcm2835) | |
| #dtparam=audio=on | |
| [pi4] | |
| # Enable DRM VC4 V3D driver on top of the dispmanx display stack | |
| dtoverlay=vc4-fkms-v3d | |
| max_framebuffers=2 | |
| [all] | |
| #dtoverlay=vc4-fkms-v3d | |
| #overscan_scale=1 | |
| # Enable CM4 USB | |
| dtoverlay=dwc2,dr_mode=host | |
| # Set HDMI resolution | |
| hdmi_force_hotplug=1 | |
| hdmi_cvt=320 240 60 1 0 0 0 | |
| hdmi_group=2 | |
| hdmi_mode=87 | |
| #Enable Backlight | |
| #gpio=5=op,dh | |
| #Shutdown Button | |
| dtoverlay=gpio-shutdown,gpiopin=3 | |
| #Shutdown Trigger | |
| dtoverlay=gpio-poweroff,gpiopin=4 | |
| dtoverlay=act-led,gpio=15 | |
| dtoverlay=act_led_trigger,mmc | |
| dtoverlay=hifiberry-dac | |
| dtoverlay=i2s-mmap | |
| avoid_warnings=1 | |
| force_turbo=1 |
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This is the
/boot/config.txtthat ships with the default Mame Gear CM4 image. The display seems to use the fbcp-ili9341 display driver, but I haven't figured out the specific options yet.