linux-kernel - Re: Re: [PATCH] arm64: dts: allwinner: define USB3 Ethernet on NanoPi R1S H5

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Date:   Tue, 03 May 2022 22:00:44 +0200
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     Chen-Yu Tsai <wens@...e.org>, Chukun Pan <amadeus@....edu.cn>
Cc:     Samuel Holland <samuel@...lland.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Chukun Pan <amadeus@....edu.cn>
Subject: Re: Re: [PATCH] arm64: dts: allwinner: define USB3 Ethernet on NanoPi R1S H5

Dne torek, 03. maj 2022 ob 19:54:34 CEST je Jernej Škrabec napisal(a):
> Dne ponedeljek, 02. maj 2022 ob 16:40:09 CEST je Chukun Pan napisal(a):
> > The NanoPi R1S H5 has a Realtek RTL8153B USB 3.0 Ethernet chip
> > connected to the USB 2.0 port of the Allwinner H5 SoC.
> > 
> > Signed-off-by: Chukun Pan <amadeus@....edu.cn>
> > ---
> >  arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-r1s-h5.dts | 8 +++++++-
> >  1 file changed, 7 insertions(+), 1 deletion(-)
> > 
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-r1s-h5.dts b/
> arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-r1s-h5.dts
> > index 55b369534a08..dd655a491549 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-r1s-h5.dts
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-r1s-h5.dts
> > @@ -21,7 +21,8 @@ / {
> >  
> >  	aliases {
> >  		ethernet0 = &emac;
> > -		ethernet1 = &rtl8189etv;
> > +		ethernet1 = &rtl8153;
> > +		ethernet2 = &rtl8189etv;

Additionally, it's not a good idea to change order of ethernet nodes. It can 
affect mac address assigning procedure in bootloader.

Best regards,
Jernej

> >  		serial0 = &uart0;
> >  	};
> >  
> > @@ -116,6 +117,11 @@ &cpu0 {
> >  
> >  &ehci1 {
> >  	status = "okay";
> 
> You need to add #address-cells and #size-cells properties, otherwise "make 
> dtbs_check W=1" generates warnings.
> 
> Best regards,
> Jernej
> 
> > +
> > +	rtl8153: device@1 {
> > +		compatible = "usbbda,8153";
> > +		reg = <1>;
> > +	};
> >  };
> >  
> >  &ehci2 {
> > -- 
> > 2.25.1
> > 
> > 
> 
> 
>