Re: [PATCH] arm64: dts: imx8mp-debix-model-a: Disable EEE for 1000T

[Oleksij Rempel <o.rempel@pengutronix.de>]

Hi Laurent,

On Mon, Oct 27, 2025 at 12:02:27PM +0200, Laurent Pinchart wrote:
> Hi Oleksij,
> > Please note, RTL8211E PHY do use undocumented SmartEEE mode by default.
> > It ignores RGMII LPI opcodes and doing own thing. It can be confirmed by
> > monitoring RGMII TX and MDI lines with oscilloscope and changing
> > tx-timer configurations. I also confirmed this information from other
> > source. To disable SmartEEE and use plain MAC based mode, NDA documentation
> > is needed.
> 
> That's useful information, thank you. Would you by any chance to know if
> such NDA would allow contributing the feature upstream ?

Good question, but the NDA process was actually aborted. We didn't move
forward due to a lack of time and ultimately, a lack of commercial
interest from any projects or customers for this PHY.

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