-Old-Kits: Using the MIPI DSI Interface

This application note describes the connection and usage of an HDMI display via a MIPI-DSI-to-HDMI add-on adapter.

1. Modify the board’s Linux device tree to un-comment the following line:

   #define ENABLE_DSI_HDMI_ADAPTER 1

2. Re-build the kernel as described in Building Linux Kernel .

3. Copy the resulting fitImage kernel file to the /boot directory on the board and power off the board.

4. Connect the DSI connector on the DSI-to-HDMI adapter to the P7 connector on the STM32MP1-BSB-2A with the flat cable. Pin 1 of the adapter must connect to the pin 1 of the P7 connector on STM32MP1-BSB (both pins are marked with the white mark):

5. Connect the HDMI connector of the DSI-to-HDMI adapter to your HDMI LCD/TV using an HDMI cable.

6. Power on the STM32MP1-BSB-2A and boot the system.

7. Observe STMicro desktop on the LCD/TV:

8. From the system console, run a graphics demo:

root@stm32mp15-som:~# glmark2-es2-wayland --fullscreen
...