On Mon, Apr 08, 2019 at 11:41:38AM +0530, Jagan Teki wrote: > On Sat, Apr 6, 2019 at 5:15 AM <megous@xxxxxxxxxx> wrote: > > > > From: Ondrej Jirman <megous@xxxxxxxxxx> > > > > Orange Pi 3 has two regulators that power the Realtek RTL8211E. > > According to the phy datasheet, both regulators need to be enabled > > at the same time, but we can only specify a single phy-supply in > > the DT. > > > > This can be achieved by making one regulator depedning on the > > other via vin-supply. While it's not a technically correct > > description of the hardware, it achieves the purpose. > > > > All values of RX/TX delay were tested exhaustively and a middle > > one of the working values was chosen. > > > > Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx> > > --- > > .../dts/allwinner/sun50i-h6-orangepi-3.dts | 44 +++++++++++++++++++ > > 1 file changed, 44 insertions(+) > > This was in ML[1], I thought this change would already merged. I > remember Chen-Yu applied and revert due to emac node not mainlined at > that time. > > [1] https://patchwork.kernel.org/patch/10558281/ The patch was not merged at the time, and bitrotted a bit. Armbian folks were applying the bitortted patch out-of-the mainline and were experiencing NPEs. I fixed the patch, and it is also part of this series. It's patch 5. o.