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

Andrew Lunn andrew at lunn.ch
Mon Oct 27 05:50:21 PDT 2025


> > Ack. With comment in the code, why we prefer this way, in case some one
> > wont to spend time on making it work. Probably SmartEEE or some other
> > word should be used.
> 
> So we have options.
> 
> However, we need to get to the bottom of what caused the change of
> behaviour before we start throwing solutions at this.

It also seems like the PHY is FUBAR. If the standard 802.3 EEE
registers are being used, a management plane is using them to
negotiate EEE with the link partner, the PHY firmware should disable
SmartEEE and only provide 802.3 EEE.

It sounds like this PHY is not 802.3 compatible.

	Andrew



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