On Fri, Nov 10, 2017 at 11:48:11AM +0800, Chen-Yu Tsai wrote:
> On Thu, Nov 9, 2017 at 4:29 PM, Corentin Labbe
> <clabbe.montjoie@xxxxxxxxx> wrote:
> > The dwmac-sun8i hardware is present on the bananapi m3
> > It uses an external PHY rtl8211e via RGMII.
> >
> > This patch create the needed emac and phy nodes.
> >
> > Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
> > ---
> > arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts | 18 ++++++++++++++++++
> > 1 file changed, 18 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
> > index c606af3dbfed..45bdd5c17829 100644
> > --- a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
> > +++ b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts
> > @@ -52,6 +52,7 @@
> > compatible = "sinovoip,bpi-m3", "allwinner,sun8i-a83t";
> >
> > aliases {
> > + ethernet0 = &emac;
> > serial0 = &uart0;
> > };
> >
> > @@ -88,6 +89,23 @@
> > /* TODO GL830 USB-to-SATA bridge downstream w/ GPIO power controls */
> > };
> >
> > +&emac {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&emac_rgmii_pins>;
> > + phy-handle = <&ext_rgmii_phy>;
> > + phy-mode = "rgmii";
>
> Schematics say PHY is power by DC1SW from the PMIC.
> Not sure why you don't need that. Have you tested your patch?
Tested on 4.14.0-rc5-next-20171018+
I will try to check which uboot is used, perhaps it's an old uboot with some PMIC hack.
Thanks
Regards
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