Re: [PATCH v2 10/15] dt-bindings: msm: dsi-phy-14nm: Document SM6125 variant

From: Marijn Suijten
Date: Tue Jul 18 2023 - 17:00:23 EST


On 2023-06-29 13:54:13, Dmitry Baryshkov wrote:
> On 27/06/2023 23:14, Marijn Suijten wrote:
> > Document availability of the 14nm DSI PHY on SM6125. Note that this
> > compatible uses the SoC-suffix variant, intead of postfixing an
> > arbitrary number without the sm/sdm portion. The PHY is not powered by
> > a vcca regulator like on most SoCs, but by the MX power domain that is
> > provided via the power-domains property and a single corresponding
> > required-opps.
> >
> > Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> > Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> > ---
> > .../devicetree/bindings/display/msm/dsi-phy-14nm.yaml | 11 +++++++++++
> > 1 file changed, 11 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/display/msm/dsi-phy-14nm.yaml b/Documentation/devicetree/bindings/display/msm/dsi-phy-14nm.yaml
> > index a43e11d3b00d..183a26f8a6dc 100644
> > --- a/Documentation/devicetree/bindings/display/msm/dsi-phy-14nm.yaml
> > +++ b/Documentation/devicetree/bindings/display/msm/dsi-phy-14nm.yaml
> > @@ -19,6 +19,7 @@ properties:
> > - qcom,dsi-phy-14nm-2290
> > - qcom,dsi-phy-14nm-660
> > - qcom,dsi-phy-14nm-8953
> > + - qcom,sm6125-dsi-phy-14nm
> >
> > reg:
> > items:
> > @@ -35,6 +36,16 @@ properties:
> > vcca-supply:
> > description: Phandle to vcca regulator device node.
> >
> > + power-domains:
> > + description:
> > + A phandle and PM domain specifier for an optional power domain.
> > + maxItems: 1
> > +
> > + required-opps:
> > + description:
> > + A phandle to an OPP node describing an optional performance point.
>
> I'd rephrase this to be something more exact, like 'desribing power
> domain's performance point'.

Sure. I'll leave out the word "optional", that becomes obvious from
maxItems:1 without minItems, together with referencing a PM which itself
is already optional.

- Marijn

> > + maxItems: 1
> > +
> > required:
> > - compatible
> > - reg
> >
>
> --
> With best wishes
> Dmitry
>