Re: [PATCH 1/3] dt: bindings: add bindings for TQMa93xxLA SOM

From: Krzysztof Kozlowski
Date: Thu Jun 15 2023 - 16:23:04 EST


On 15/06/2023 16:46, Alexander Stein wrote:
>>> + TQMa93xxLA and TQMa93xxCA are two series of feature compatible
>>> SOM + using NXP i.MX93 SOC in 11x11 mm package.
>>> + TQMa93xxLA is designed to be soldered on different carrier
>>> boards. + TQMa93xxCA is a compatible variant using board to
>>> board connectors. + All SOM and CPU variants use the same device
>>> tree hence only one + compatible is needed. Bootloader disables
>>> all features not present + in the assembled SOC.
>>> + MBa93xxCA mainboard can be used as starterkit for the SOM
>>> + soldered on an adapter board or for the connector variant
>>> + MBa93xxLA mainboard is a single board computer using the
>>> solderable + SOM variant
>>> + items:
>>> + - enum:
>>> + - tq,imx93-tqma9352-mba93xxca # TQ-Systems GmbH i.MX93
>>> TQMa93xxCA/LA SOM on MBa93xxCA + -
>>> tq,imx93-tqma9352-mba93xxla # TQ-Systems GmbH i.MX93 TQMa93xxLA SOM on
>>> MBa93xxLA SBC
>> xx sound like wildcard which you should not use. If you open the product
>> page, it also suggests that.
>
> xx is a wildcard only for modules TQMa93xx, depending on the soldered SoC, but
> not for the mainboard MBa93xx.
> You are right that there is the ordering number MBa9352LA-AA, so the
> compatible would be "tq,imx93-tqma9352-mba9352la". But the actual values for
> the wildcards is copied from the soldered module. So using a TQMa9351LA would
> result in MBa9351LA-AA, although the mainboard is identical.

OK

Best regards,
Krzysztof