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Date:   Wed, 10 Aug 2022 08:05:45 +0000
From:   Marcel Ziswiler <>
To:     "" 
        "" <>,
        "" <>,
        "" <>
CC:     "" <>,
        "" <>,
        "" <>,
        "" <>,
        "" <>
Subject: Re: Question: Ethernet Phy issues on Colibri IMX8X (imx8qxp) - kernel

Sali Philipp

On Wed, 2022-08-10 at 00:55 +0200, Philipp Rossak wrote:
> Hi,
> I currently have a project with a Toradex Colibri IMX8X SOM board whith 
> an onboard Micrel KSZ8041NL Ethernet PHY.
> The hardware is described in the devictree properly so I expected that 
> the onboard Ethernet with the phy is working.
> Currently I'm not able to get the link up.
> I already compared it to the BSP kernel, but I didn't found anything 
> helpful. The BSP kernel is working.
> Do you know if there is something in the kernel missing and got it running?

Yes, you may just revert the following commit babfaa9556d7 ("clk: imx: scu: add more scu clocks")

Alternatively, just commenting out the following single line also helps:

I just found this out about two weeks ago before I went to vacation and since have to find out with NXP what
exactly the idea of this clocking/SCFW stuff is related to our hardware.

@NXP: If any of you guys could shed some light that would be much appreciated. Thanks!

> Thanks,
> Philipp



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