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Attaching Raspberry Pi Official 7" Display to the Compute Module IO Board

This document is a work in progress and is intended for advanced users.

For the display to work with the Compute Module, the firmware needs to be October 23rd 2015 or newer (use vcgencmd version to check).

Quickstart - Display Only

  1. Connect the display to the DISP1 port on the Compute Module IO board through the 22W to 15W display adaptor.

  2. Connect these pins together with jumper wires:

    GPIO0 - CD1_SDA
    GPIO1 - CD1_SCL
    
  3. On the compute module, run:

    sudo wget https://goo.gl/Ah6XD5 -O /boot/dt-blob.bin

  4. Reboot for the dt-blob.bin file to be read.

Quickstart - Display and Camera

This will enable disp1 and cam1.

  1. Connect the display to the DISP1 port on the Compute Module IO board through the 22W to 15W display adaptor.

  2. Connect the camera to the CAM1 port on the Compute Module IO board through the 22W to 15W camera adaptor.

  3. Connect these pins together with jumper wires:

    GPIO0 - CD0_SDA
    GPIO1 - CD0_SCL
    GPIO4 - CAM0_IO1
    GPIO5 - CAM0_IO0
    
    GPIO28 - CD1_SDA
    GPIO29 - CD1_SCL
    GPIO30 - CAM1_IO1
    GPIO31 - CAM1_IO0
    

    GPIO connection for a single display and a single camera

  4. On the compute module, run:

    sudo wget https://goo.gl/1V3ReK -O /boot/dt-blob.bin

  5. Make the 7" display as the default by adding the following line into /boot/config.txt:

    display_default_lcd=1
    
  6. Reboot for the dt-blob.bin file to be read.

    Camera Preview on the 7 inch display

Software support

There is no additional configuration required to enable the touch screen. The touch interface should out work of the box once the screen is successfully detected.

Sources

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