linux-kernel - Re: [PATCH v3 11/11] arm64: dts: qcom: sm8350-hdk: Enable lt9611uxc dsi-hdmi bridge

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Date:   Wed, 28 Dec 2022 09:26:43 +0100
From:   Robert Foss <robert.foss@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     robdclark@...il.com, quic_abhinavk@...cinc.com,
        dmitry.baryshkov@...aro.org, sean@...rly.run, airlied@...ux.ie,
        daniel@...ll.ch, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, agross@...nel.org,
        bjorn.andersson@...aro.org, konrad.dybcio@...ainline.org,
        quic_kalyant@...cinc.com, angelogioacchino.delregno@...ainline.org,
        loic.poulain@...aro.org, swboyd@...omium.org,
        quic_vpolimer@...cinc.com, vkoul@...nel.org, dianders@...omium.org,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jonathan Marek <jonathan@...ek.ca>,
        vinod.koul@...aro.org, quic_jesszhan@...cinc.com,
        andersson@...nel.org
Subject: Re: [PATCH v3 11/11] arm64: dts: qcom: sm8350-hdk: Enable lt9611uxc
 dsi-hdmi bridge

On Mon, 5 Dec 2022 at 17:47, Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> On 05/12/2022 17:37, Robert Foss wrote:
> > The sm8350-hdk ships with the LT9611 UXC DSI/HDMI bridge chip.
> >
> > In order to toggle the board to enable the HDMI output,
> > switch #7 & #8 on the rightmost multi-switch package have
> > to be toggled to On.
> >
> > Signed-off-by: Robert Foss <robert.foss@...aro.org>
>
> Thank you for your patch. There is something to discuss/improve.
>
> > +
> >  &slpi {
> >       status = "okay";
> >       firmware-name = "qcom/sm8350/slpi.mbn";
> > @@ -544,4 +633,20 @@ usb_hub_enabled_state: usb-hub-enabled-state {
> >               drive-strength = <2>;
> >               output-low;
> >       };
> > +
> > +     lt9611_state: lt9611-state {
> > +             lt9611_rst_pin {
>
> No underscores in node names.

Ack

>
> > +                     pins = "gpio48";
> > +                     function = "normal";
> > +
> > +                     output-high;
> > +                     input-disable;
> > +             };
> > +
> > +             lt9611_irq_pin {
>
> Ditto

Ack

>
> > +                     pins = "gpio50";
> > +                     function = "gpio";
> > +                     bias-disable;
> > +             };
> > +     };
> >  };
>
> Best regards,
> Krzysztof
>