linux-kernel - Re: [PATCH v2 2/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver

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Date:   Fri, 9 Jun 2017 12:35:08 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Corentin Labbe <clabbe.montjoie@...il.com>
Cc:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Chen-Yu Tsai <wens@...e.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] ARM: sun8i: a83t: add dwmac-sun8i ethernet driver

On Thu, Jun 8, 2017 at 8:48 PM, Maxime Ripard
<maxime.ripard@...e-electrons.com> wrote:
> On Thu, Jun 08, 2017 at 10:42:22AM +0200, Corentin Labbe wrote:
>> On Thu, Jun 08, 2017 at 10:34:28AM +0200, Maxime Ripard wrote:
>> > On Wed, Jun 07, 2017 at 07:33:45PM +0200, Corentin Labbe wrote:
>> > > The dwmac-sun8i is an ethernet MAC hardware that support 10/100/1000 speed.
>> > > This patch enable the dwmac-sun8i on the Allwinner a83t SoC Device-tree.
>> > >
>> > > Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
>> > > Reviewed-by: Chen-Yu Tsai <wens@...e.org>
>> > > ---
>> > >  arch/arm/boot/dts/sun8i-a83t.dtsi | 28 ++++++++++++++++++++++++++++
>> > >  1 file changed, 28 insertions(+)
>> > >
>> > > diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
>> > > index 01a83406f9ae..7d719b4aeaa9 100644
>> > > --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
>> > > +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
>> > > @@ -200,6 +200,14 @@
>> > >                   #interrupt-cells = <3>;
>> > >                   #gpio-cells = <3>;
>> > >
>> > > +                 emac_rgmii_pins: emac-rgmii-pins {
>> > > +                         pins = "PD2", "PD3", "PD4", "PD5", "PD6", "PD7",
>> > > +                                "PD11", "PD12", "PD13", "PD14", "PD18",
>> > > +                                "PD19", "PD21", "PD22", "PD23";
>> > > +                         function = "gmac";
>> > > +                         drive-strength = <40>;
>> > > +                 };
>> > > +
>> >
>> > This is not used anywhere.
>> >
>> But will be used by bpim3 board
>
> Then will add it when we'll add support for that board, until then,
> it's dead code.

I'll include this in my A83T work branch and resend it when I get around to it.

Thanks
ChenYu