Rock3/hardware/display
ROCK 3 > Hardware > Display
ROCK 3 boards support many kinds of display. They are HDMI display, MIPI display, SPI LCD display, etc. We'll tell how to set them up.
Contents
Part one: HDMI Display
HDMI is supported on the following devices.
- ROCK 3A
- ROCK 3B
- Radxa CM3 IO
Part two: MIPI Display
Radxa 5inch Touchscreen
Hardware connection
Software support
For ROCK 3A
Upgrade kernel to at least version 4.19.193-35-rockchip
You can uncomment line like "deb http://apt.radxa.com/buster-testing/ buster main" in file /etc/apt/sources.list.d/apt-radxa-com.list to add testing source.
See file /etc/apt/sources.list.d/apt-radxa-com.list
deb http://apt.radxa.com/buster-stable/ buster main deb http://apt.radxa.com/buster-testing/ buster main
After adding testing source, you need to update APT and install your needed packages.
$ sudo apt-get update sudo apt install -y linux-4.19-rock-3-latest
Add the item "radxa-5inch-touchscreen-on-rock-3a" to line "overlays=" in /boot/uEnv.txt
overlays=radxa-5inch-touchscreen-on-rock-3a
Reboot ROCK 3A.
Radxa 5inch Touchscreen For ROCK 3C
- Edit config.txt
rock@rock-3c:~$ sudo vim /boot/config.txt
- at the end of the file add overlay
dtoverlay=rock-3c-radxa-5inch-touchscreen
- update extlinux.conf
rock@rock-3c:~$ sudo update_extlinux.sh
- Reboot the device
rock@rock-3c:~$ sudo reboot
eDP LCD Sharp LQ133T1JW01 For Radxa CM3 IO
- Edit config.txt
rock@radxa-cm3-io:~$ sudo vim /boot/config.txt
- at the end of the file add overlay
dtoverlay=radxa-cm3-io-sharp-lq133t1jw01-without-hdmi
- update extlinux.conf
rock@radxa-cm3-io:~$ sudo update_extlinux.sh
- Reboot the device
rock@radxa-cm3-io:~$ sudo reboot
Raspberry Pi 7 inch Touch Display
- Edit config.txt
rock@rock-3c:~$ sudo vim /boot/config.txt
- at the end of the file add overlay
dtoverlay=rock-3c-raspberrypi-7inch-touchscreen
- update extlinux.conf
rock@rock-3c:~$ sudo update_extlinux.sh
- Reboot the device
rock@rock-3c:~$ sudo reboot
Please note that RPI 7'TS need 5V power supply.
Part three: SPI Display
Troubleshooting
- If you have issue with Display, start a new post on the forum. https://forum.radxa.com/c/rock3