[PATCH] sunxi: H6: Enable Ethernet on Orange Pi One Plus

[Anne Macedo]

On Thu, Jul 13, 2023 at 02:22:31PM +0530, Jagan Teki wrote:
> + Andre
> 
> On Tue, Jul 11, 2023 at 6:11 AM Anne Macedo <retpolanne at posteo.net> wrote:
> >
> > Enable Ethernet on Orange Pi One Plus by using the correct phy for
> > Realtek RTL8211E instead of the Generic One. Also use CONFIG_MACPWR to
> > turn on ethernet on startup.
> >
> > After this patch is applied, a few issues can be seen:
> >
> > - there's still a PHY reset timed out error that doesn't seem to cause
> >   any impacts to the overall connection
> >
> > - sometimes the emac driver times out after reset (yellow LED turns on
> >   and never blinks)
> >
> > For future patches: for now, CONFIG_MACPWR is the only way to enable
> > Ethernet on boot. There's already code on the dts for using the 3v3-gmac
> > regulator. However, it is not probed on boot, so it only starts after a
> > "regulator status" command is issued.
> >
> > More details about the troubleshooting on [1].
> >
> > [1] https://lore.kernel.org/u-boot/4wsvwgy56e2xfgtvioru2tf2ofkqprlts36qggivxogww6pn5j@4jk63zxhzhag/
> >
> > Signed-off-by: Anne Macedo <retpolanne at posteo.net>
> > ---
> >  arch/arm/dts/sun50i-h6-orangepi-one-plus.dts | 2 +-
> >  configs/orangepi_one_plus_defconfig          | 4 ++++
> >  2 files changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm/dts/sun50i-h6-orangepi-one-plus.dts b/arch/arm/dts/sun50i-h6-orangepi-one-plus.dts
> > index 29a081e72a..6427c58f8a 100644
> > --- a/arch/arm/dts/sun50i-h6-orangepi-one-plus.dts
> > +++ b/arch/arm/dts/sun50i-h6-orangepi-one-plus.dts
> > @@ -37,7 +37,7 @@
> >
> >  &mdio {
> >         ext_rgmii_phy: ethernet-phy at 1 {
> > -               compatible = "ethernet-phy-ieee802.3-c22";
> > +               compatible = "ethernet-phy-id001c.c915", "ethernet-phy-ieee802.3-c22" ;
> 
> DT change has to be merged by the Linux tree first. Try to work on
> that gets approved.

Thanks! Will work on that. 
> 
> Thanks,
> Jagan.