linux-kernel - Re: [PATCH 2/3] arm64: dts: rockchip: Add Lunzn Fastrhino R66S

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Message-ID: <CAOP2_TgrPwvkXayyWkb5H-+X-Nr85G65YoAfs4_+zUfK=_+VHA@mail.gmail.com>
Date:   Tue, 2 May 2023 17:53:58 +0800
From:   Tianling Shen <cnsztl@...il.com>
To:     Heiko Stübner <heiko@...ech.de>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Peter Geis <pgwipeout@...il.com>, Andy Yan <andyshrk@....com>,
        Chris Morgan <macromorgan@...mail.com>,
        Brian Norris <briannorris@...omium.org>,
        Andrew Lunn <andrew@...n.ch>, Shawn Guo <shawnguo@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        Maya Matuszczyk <maccraft123mc@...il.com>,
        Michael Riesch <michael.riesch@...fvision.net>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Vasily Khoruzhick <anarsoul@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] arm64: dts: rockchip: Add Lunzn Fastrhino R66S

Hi Heiko,

On Tue, May 2, 2023 at 5:30 PM Heiko Stübner <heiko@...ech.de> wrote:
>
> Am Dienstag, 2. Mai 2023, 11:28:22 CEST schrieb Heiko Stübner:
> > Hi,
> >
> > Am Freitag, 28. April 2023, 03:37:37 CEST schrieb Tianling Shen:
> > > Lunzn Fastrhino R66S is a high-performance mini router.
> > >
> > > Specification:
> > > - Rockchip RK3568
> > > - 1/2GB LPDDR4 RAM
> > > - SD card slot
> > > - M.2 Connector
> > > - 2x USB 3.0 Port
> > > - 2x 2500 Base-T (PCIe, r8125b)
> > > - 12v DC Jack
> > >
> > > Signed-off-by: Tianling Shen <cnsztl@...il.com>
> > > ---
> > >  arch/arm64/boot/dts/rockchip/Makefile         |   1 +
> > >  .../dts/rockchip/rk3568-fastrhino-r66s.dts    |  27 +
> > >  .../dts/rockchip/rk3568-fastrhino-r66s.dtsi   | 507 ++++++++++++++++++
> > >  3 files changed, 535 insertions(+)
> > >  create mode 100644 arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts
> > >  create mode 100644 arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dtsi
> > >
> > > diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> > > index 2d585bbb8f3a..15089a78555a 100644
> > > --- a/arch/arm64/boot/dts/rockchip/Makefile
> > > +++ b/arch/arm64/boot/dts/rockchip/Makefile
> > > @@ -85,6 +85,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-box-demo.dtb
> > >  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3566-lubancat-1.dtb
> > >  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-bpi-r2-pro.dtb
> > >  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-evb1-v10.dtb
> > > +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-fastrhino-r66s.dtb
> > >  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-lubancat-2.dtb
> > >  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-nanopi-r5c.dtb
> > >  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-nanopi-r5s.dtb
> > > diff --git a/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts
> > > new file mode 100644
> > > index 000000000000..fc9e1bdab128
> > > --- /dev/null
> > > +++ b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts
> > > @@ -0,0 +1,27 @@
> > > +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> > > +
> > > +#include "rk3568-fastrhino-r66s.dtsi"
> > > +
> > > +/ {
> > > +   model = "Lunzn FastRhino R66S";
> > > +   compatible = "lunzn,fastrhino-r66s", "rockchip,rk3568";
> > > +
> > > +   aliases {
> > > +           mmc0 = &sdmmc0;
> > > +   };
> > > +};
> > > +
> > > +&sdmmc0 {
> >
> > that whole element seems to be duplicated from rk3568-fastrhino-r66s.dtsi?
> > I don't think we need to declare that twice. If something really changes,
> > please only declare the new properties when going from dtsi to dts.
>
> Looking at patch3 I see the explanation :-) .
>
> The base dtsi should not contain the &sdmmc0 node, and it should
> only be included in the rk3568-fastrhino-r66s.dts, right?
>

Yes, nice catch!

And I found another error in the R68S dts file (gmac pcfg pull type).
Unfortunately I don't have this board right now, and I'm still waiting
for the test result from my friend. Suppose sending v2 in the next few
days.

Thanks,
Tianling.

>
> Heiko
>
>