[PATCH v4 07/11] dt-bindings: ufs: Add NXP S32N79 UFS host controller

Larisa Ileana Grigore larisa.grigore at oss.nxp.com
Mon Sep 21 01:22:19 PDT 2026


On 9/18/2026 12:49 PM, Krzysztof Kozlowski wrote:
> On 17/09/2026 11:15, Larisa Grigore wrote:
>> +
>> +properties:
>> +  compatible:
>> +    items:
>> +      - const: nxp,s32n79-ufshc
>> +      - const: jedec,ufs-2.0
> 
> Continuing discussion from v1, why replacing one fallback with another?
> So previously it was compatible with 3.0, but now it is not and it
> became compatible with 2.0?
> 
> I cannot find any software user of any of these fallbacks, thus IMO it
> should be dropped, unless UFS folks have some arguments for keeping it?
>
Thank you! I will drop the JEDEC fallback compatible. Looking at the 
existing UFS bindings, not all controllers provide such a fallback (for 
example, Renesas UFS controllers), and I could not identify any software 
user for it either.

>> +
>> +  reg:
>> +    items:
>> +      - description: UFS Host Controller registers
>> +      - description: System Control Module registers
>> +
>> +  reg-names:
>> +    items:
>> +      - const: ufshc
>> +      - const: scm
>> +
>> +  clocks:
>> +    maxItems: 1
>> +    description: UFS core clock
> 
> Drop description, redundant.
> 
I will drop it.
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - reg-names
>> +  - clocks
>> +
> Best regards,
> Krzysztof

Regards,
Larisa



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