[PATCH v2 2/9] dt-bindings: riscv: microchip: document the aries m100pfsevp

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Tue Aug 30 10:30:07 PDT 2022


On 30/08/2022 19:59, Conor.Dooley at microchip.com wrote:
>>> w dts were
>>> needed so that the gpio-hog could be set correctly. Out of curiosity, I can
>>> have the same compatible in multiple devicetrees right? In that case, it
>>> would just be "aries,m100pfsevp" here and I could put that in both?
>>> Would make things easier..
>>
>> Depends, but I would say for this case rather not. The compatible should
>> identify the board. If the boards are different, one compatible should
>> not identify both of them. Imagine U-Boot (or something else) trying to
>> match the DTS.
> 
> It is the same board though, the way the bootloader works is that if it
> detects an SD-card it will use that to boot from, and if not will fall back
> to the emmc.

Wait, I might miss that part. So this is exactly the same hardware with
the same SoM/SoC, same eMMC and SD card, except that one has plugged
this SD card (as it is hot-pluggable)?

Best regards,
Krzysztof



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