On Sun, Sep 29, 2019 at 10:52:59AM +0200, Jernej Skrabec wrote:
> It turns out that sopine-baseboard needs same fix as pine64-plus
> for ethernet PHY. Here too Realtek ethernet PHY chip needs additional
> power on delay to properly initialize. Datasheet mentions that chip
> needs 30 ms to be properly powered on and that it needs some more time
> to be initialized.
>
> Fix that by adding 100ms ramp delay to regulator responsible for
> powering PHY.
>
> Note that issue was found out and fix tested on pine64-lts, but it's
> basically the same as sopine-baseboard, only layout and connectors
> differ.
>
> Fixes: bdfe4cebea11 ("arm64: allwinner: a64: add Ethernet PHY regulator for several boards")
> Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
Applied as a fix for 5.4, thanks!
Maxime
Attachment:
signature.asc
Description: PGP signature
