Re: [PATCH V3 1/4] ufs: dt-bindings: Document gear and rate limit properties

[Bart Van Assche]

On 8/28/25 10:40 AM, Krzysztof Kozlowski wrote:
> On 26/08/2025 17:35, Bart Van Assche wrote:
> > > +  limit-rate:
> > > +    $ref: /schemas/types.yaml#/definitions/uint32
> > > +    enum: [1, 2]
> > > +    default: 2
> > > +    description:
> > > +      Restricts the UFS controller to Rate A (1) or Rate B (2) for both
> > > +      TX and RX directions, often required in automotive environments due
> > > +      to hardware limitations.
> >
> > As far as I know no numeric values are associated with these rates in
> > the UFSHCI 4.1 standard nor in any of the previous versions of this
> > standard. Does the .yaml syntax support something like "enum: [A, B]"?
>
> That's what I also requested and answer was "1" and "2" are coming from
> the spec. So now I am confused.

Ram quoted from the MIPI spec. That's another standard than what I
referred to (UFSHCI).

Bart.