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Add GPIO info for SL261x #25

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Add GPIO info for SL261x #25

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24 changes: 19 additions & 5 deletions subject/gpios.rst
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Expand Up @@ -51,11 +51,11 @@ the device tree entries in the Linux Kernel. This requires modifying the ``linux

Modify the platform dts file located in ``build-sl1680/workspace/sources/linux-syna/arch/arm64/boot/dts/synaptics``.

+-----------------+---------------+------------------+-----------------+
| | SL1620 | SL1640 | SL1680 |
+-----------------+---------------+------------------+-----------------+
| DTS | myna2-rdk.dts | platypus-rdk.dts | dolphin-rdk.dts |
+-----------------+---------------+------------------+-----------------+
+-----------------+---------------+------------------+-----------------+-----------------+
| | SL1620 | SL1640 | SL1680 | SL261x |
+-----------------+---------------+------------------+-----------------+-----------------+
| DTS | myna2-rdk.dts | platypus-rdk.dts | dolphin-rdk.dts | sl261*-rdk.dts |
+-----------------+---------------+------------------+-----------------+-----------------+

First, identify where the GPIOs are currently configured in the dts file and disable them. Then reassign them to function as GPIOs.

Expand Down Expand Up @@ -148,6 +148,20 @@ gpio\@0800 f7e80800 32 to 63
gpio\@0c00 f7e80c00 64 to 95
================= ======== ========

SL261x
------

================= ======== ========
GPIO Port Address GPIOs
================= ======== ========
gpio\@7000 f7f07000 0 to 31
gpio\@e000 f7f0e000 32 to 63
gpio\@8000 e5038000 64 to 79
gpio\@9000 e5039000 80 to 87
gpio\@a000 e503a000 88 to 95
================= ======== ========


.. note::

Mappings may change if based on modifications to devicetree. The tables above are for reference only
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