linux-kernel - Re: [PATCH v2 5/5] arm64: dts: qcom: sc7280: Add herobrine-r1

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Date:   Tue, 25 Jan 2022 15:46:26 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        kgodara@...eaurora.org, Matthias Kaehlcke <mka@...omium.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        Prasad Malisetty <pmaliset@...eaurora.org>,
        quic_rjendra@...cinc.com, Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 5/5] arm64: dts: qcom: sc7280: Add herobrine-r1

Hi,

On Tue, Jan 25, 2022 at 2:58 PM Stephen Boyd <swboyd@...omium.org> wrote:
>
> Quoting Douglas Anderson (2022-01-25 14:44:22)
> > diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-herobrine-r1.dts b/arch/arm64/boot/dts/qcom/sc7280-herobrine-herobrine-r1.dts
> > new file mode 100644
> > index 000000000000..f95273052da0
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-herobrine-r1.dts
> > @@ -0,0 +1,313 @@
> > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> > +/*
> > + * Google Herobrine board device tree source
> > + *
> > + * Copyright 2022 Google LLC.
> > + */
> > +
> > +/dts-v1/;
> > +
> > +#include "sc7280-herobrine.dtsi"
> > +
> > +/ {
> > +       model = "Google Herobrine (rev1+)";
> > +       compatible = "google,herobrine", "qcom,sc7280";
>
> Can we stop adding "qcom,sc7280" to the board compatible string? It
> looks out of place. It's the compatible for the SoC and should really be
> the compatible for the /soc node.

I don't have any objections, but I feel like this is the type of thing
I'd like Bjorn to have the final say on. What say you, Bjorn?


> > +       pp3300_left_in_mlb: pp3300-left-in-mlb {
>
> Sometimes '-regulator' is left out. Is that intentional? I suppose it
> would be better if every node had regulator postfix, but it may be too
> long of a node name?

Huh, you're right. No, it's not intentional. It looks like it was that
way on herobrine-rev0 too... It also looks like it's missing on
"pp3300-hub" on trogdor.

Happy to add "-regulator" in the herobrine / trogdor nodes that need
it. I'll probably do it as a follow-on patch if that works OK? Then I
can just clean them all up at once...

-Doug