Re: [PATCH 2/6] dt-bindings: mmc: cdns: match MPFS MMC/SDHCI controller

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On 06/09/2021 10:38, Conor.Dooley@xxxxxxxxxxxxx wrote:
> On 30/08/2021 16:09, Rob Herring wrote:
>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>
>> On Tue, Aug 24, 2021 at 2:02 PM Krzysztof Kozlowski
>> <krzysztof.kozlowski@xxxxxxxxxxxxx> wrote:
>>> On 24/08/2021 16:33, Rob Herring wrote:
>>>> On Thu, Aug 19, 2021 at 05:44:32PM +0200, Krzysztof Kozlowski wrote:
>>>>> The Microchip MPFS Icicle Kit uses Cadence SD/SDIO/eMMC Host Controller
>>>>> without any additional vendor compatible:
>>>> I think the lack of vendor compatible is the error here. Experience has
>>>> shown that vendor specific compatibles are needed for licensed IP.
>>>>
>>> In such case this could be:
>>> 1. a specific "microchip,mpfs250t-sd4hc", which
>>> seems to be on MPFS Icicle Kit:
>>> https://www.digikey.co.uk/en/product-highlight/m/microchip-technology/mpfs-icicle-kit-es--polarfire-soc-fpga-icicle-kit
>>>
>>> 2. or a generic "microchip,mpfs-sd4hc"
>>>
>>> Any hints here?
>> Best for a Microchip person to answer, but sure there's some existing
>> compatible strings for other blocks on this chip to follow the same
>> pattern.
>>
>> Rob
> 
> #2 would be ideal since the controller doesn't change across the part 
> range, the 250t bit in the part name just covers the size/configuration 
> of the FPGA.


Thanks! I'll go with the microchip,mpfs-sd4hc.


Best regards,
Krzysztof



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