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fix: Add steps to enable touch on Microtips OLDI on SK-AM62B-P1
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Add steps for how to enable touch on Microtips panel for AM625 sk evm B/-P1 revision

Signed-off-by: Swamil Jain <[email protected]>
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s-jain1 committed Dec 12, 2024
1 parent bd31564 commit 5765d47
Showing 1 changed file with 33 additions and 5 deletions.
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Expand Up @@ -7,8 +7,11 @@ is supported on platforms:
- `AM62X SK <https://www.ti.com/tool/SK-AM62>`__
- `AM62X LP SK <https://www.ti.com/tool/SK-AM62-LP>`__
- `AM62P SK <https://www.ti.com/tool/SK-AM62P-LP>`__
- `AM62B SK <https://www.ti.com/tool/SK-AM62B>`__
- `AM62B-P1 <https://www.ti.com/tool/SK-AM62B-P1>`__

**Steps to enable OLDI Panel DT overlay:**
Steps to enable OLDI Panel DT overlay
-------------------------------------

#. Follow the :ref:`How to enable DT overlays in linux <howto_dt_overlays>` guide for steps on building
and adding the overlay to your SD card. Make sure the correct overlay file has been appended
Expand All @@ -33,14 +36,16 @@ is supported on platforms:
+---------------+---------------------------------------------+


**Steps to enable Touch on the Microtips Panel on AM625 SK EVM:**
Steps to enable Touch on the Microtips Panel on AM625 SK EVM
------------------------------------------------------------

**Note**: The following steps are only applicable on AM625 SK EVM revision E3 board
E3 revision
^^^^^^^^^^^

#. Power off the LVDS board by disconnecting the 12V barrel jack (do not power off the SK EVM)
#. Run the following commands from the Linux prompt:

.. code-block:: bash
.. code-block:: console
root@am62xx-evm:~# modprobe -r ili210x
root@am62xx-evm:~# i2ctransfer -f -y 0 w3@0x3f 0x09 0x1 0x0e
Expand All @@ -50,8 +55,31 @@ is supported on platforms:
#. Power on the LVDS board
#. Run the following command:

.. code-block:: bash
.. code-block:: console
root@am62xx-evm:~# modprobe ili210x
After re-initializing the module, the touch IC should now be registered as an input and touch should be functional.

B/B-P1 revision
^^^^^^^^^^^^^^^

#. Run the following command

.. code-block:: console
root@am62xx-evm:~# modprobe -r ili210x
#. Power off the LVDS panel by disconnecting the 12V barrel jack (do not power off the SK EVM)
#. Power on the LVDS panel
#. Run the following command

.. code-block:: console
root@am62xx-evm:~# modprobe ili210x
After re-initializing the module, the touch IC should now be registered as an input and touch should be functional.

.. note::

``i2ctransfer`` not required for AM625 SK EVM B/B-P1 revision

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