linux-kernel - Re: [PATCH v1 01/10] arm64: dts: mediatek: Introduce MT8192-based Asurada board family

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Message-ID: <20220427135404.a4xxp3rvvzrgqfqs@notapiano>
Date:   Wed, 27 Apr 2022 09:54:04 -0400
From:   Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
To:     Chen-Yu Tsai <wenst@...omium.org>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, kernel@...labora.com,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v1 01/10] arm64: dts: mediatek: Introduce MT8192-based
 Asurada board family

Hi Chen-Yu,

thank you for the review.

On Wed, Apr 27, 2022 at 04:43:50PM +0800, Chen-Yu Tsai wrote:
> Hi,
> 
> On Wed, Mar 16, 2022 at 11:17 PM Nícolas F. R. A. Prado
> <nfraprado@...labora.com> wrote:
> >
> > Introduce the MT8192 Asurada Chromebook platform, including the Asurada
> > Spherion and Asurada Hayato boards.
> >
> > This is enough configuration to get serial output working on Spherion
> > and Hayato.
> >
> > Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
> > Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> >
> > ---
> >
> >  arch/arm64/boot/dts/mediatek/Makefile         |  2 ++
> >  .../dts/mediatek/mt8192-asurada-hayato-r1.dts | 11 ++++++++
> >  .../mediatek/mt8192-asurada-spherion-r0.dts   | 13 ++++++++++
> >  .../boot/dts/mediatek/mt8192-asurada.dtsi     | 26 +++++++++++++++++++
> >  4 files changed, 52 insertions(+)
> >  create mode 100644 arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts
> >  create mode 100644 arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts
> >  create mode 100644 arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
> >
> > diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
> > index 8c1e18032f9f..034cba17276b 100644
> > --- a/arch/arm64/boot/dts/mediatek/Makefile
> > +++ b/arch/arm64/boot/dts/mediatek/Makefile
> > @@ -37,5 +37,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-kodama-sku32.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku0.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku176.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-pumpkin.dtb
> > +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-asurada-hayato-r1.dtb
> > +dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-asurada-spherion-r0.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-evb.dtb
> >  dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtb
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts b/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts
> > new file mode 100644
> > index 000000000000..e18e14b13d61
> > --- /dev/null
> > +++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts
> > @@ -0,0 +1,11 @@
> > +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> > +/*
> > + * Copyright 2020 Google LLC
> > + */
> > +/dts-v1/;
> > +#include "mt8192-asurada.dtsi"
> > +
> > +/ {
> > +       model = "MediaTek Hayato rev1";
> 
> I think this should be "Google Hayato ...", and the one in spherion should
> read "Google Spherion" as well?
> 
> These are project code names used in Google. Both devices use the common
> "Asurada" hardware design, also done by Google.

These were the names downstream so I didn't want to change them. But I agree
with you, and will take this as authorization do change them so for the next
version.

> 
> > +       compatible = "google,hayato-rev1", "google,hayato", "mediatek,mt8192";
> 
> You should add a patch adding this to the DT binding doc
> Documentation/devicetree/bindings/arm/mediatek.yaml
> 
> Same for Spherion.

Okay.

Thanks,
Nícolas