linux-kernel - Re: [PATCH] arm64: dts: sc7180: Factor out ti-sn65dsi86 support

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Message-ID: <CA+cxXh=Mq8akELw4N8reZ7iBrEZ=Yzw=Yc_J+EVC8eF18eZveQ@mail.gmail.com>
Date:   Mon, 27 Sep 2021 18:51:31 -0700
From:   Philip Chen <philipchen@...omium.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Douglas Anderson <dianders@...omium.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: sc7180: Factor out ti-sn65dsi86 support

Hi

On Mon, Sep 27, 2021 at 12:59 PM Stephen Boyd <swboyd@...omium.org> wrote:
>
> Quoting Philip Chen (2021-09-24 16:54:13)
> > diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-ti-sn65dsi86.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor-ti-sn65dsi86.dtsi
> > new file mode 100644
> > index 000000000000..7b1034a5a8e9
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-ti-sn65dsi86.dtsi
> > @@ -0,0 +1,87 @@
> > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> > +/*
> > + * Google Trogdor dts fragment for the boards with TI sn65dsi86 edp bridge
> > + *
> > + * Copyright 2021 Google LLC.
> > + */
> > +
> > +&dsi0_out {
> > +       remote-endpoint = <&sn65dsi86_in>;
> > +       data-lanes = <0 1 2 3>;
> > +};
> > +
> > +&edp_brij_i2c {
> > +       sn65dsi86_bridge: bridge@2d {
> > +               compatible = "ti,sn65dsi86";
> > +               reg = <0x2d>;
> > +               pinctrl-names = "default";
> > +               pinctrl-0 = <&edp_brij_en>, <&edp_brij_irq>;
>
> Why not move edp_brij_en as well? I think you want to reuse the node
> name for the other bridge, but it doesn't make sense unless that other
> patch is part of this series.

Yes, I posted v2 with the other patch enabling the second source edp bridge.

>
> > +               gpio-controller;
> > +               #gpio-cells = <2>;
> > +
> > +               interrupt-parent = <&tlmm>;
> > +               interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
> > +
> > +               enable-gpios = <&tlmm 104 GPIO_ACTIVE_HIGH>;