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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <yzz4dddlh2no3lmuxrkuxhsuaf3brruo635pgfpnaxwffmnl6j@uk3jxtoarg7w>
Date:   Tue, 18 Jul 2023 23:00:10 +0200
From:   Marijn Suijten <marijn.suijten@...ainline.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Krishna Manikandan <quic_mkrishn@...cinc.com>,
        Loic Poulain <loic.poulain@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-clk@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, Lux Aliaga <they@...t.lgbt>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v2 10/15] dt-bindings: msm: dsi-phy-14nm: Document SM6125
 variant

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@...aro.org>
> > Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
> > ---
> >   .../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
>