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 Post subject: SAMA5D44 - MDIO usage
PostPosted: Wed Aug 09, 2017 3:03 pm 
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Joined: Mon Jan 09, 2017 11:59 am
Posts: 15
I am trying to get a Ethernet PHY working and I cannot find any examples in the Xplained dts / dtsi files that use the MDIO bus.

I am using a yocto build based on Linux4SAM 5.5

What do I need to configure to use the bus - I have done some searching in the forums but cannot find anything definitive - Do I need an entry in the dts file? Enable mdio-gpio in defconfig? Disable the LCD?

Thanks,

Brian.


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 Post subject: Re: SAMA5D44 - MDIO usage
PostPosted: Thu Aug 10, 2017 12:30 am 
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Joined: Thu Apr 19, 2007 10:15 pm
Posts: 1470
Location: USA
brian_ wrote:
Do I need an entry in the dts file?
No, the MDIO clock and data pins are already defined as part of the RMII interface of the macb.
brian_ wrote:
Enable mdio-gpio in defconfig?
No, since the macb driver already has R/W routines for the MDIO interface.

Regards


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 Post subject: Re: SAMA5D44 - MDIO usage
PostPosted: Thu Aug 10, 2017 10:22 am 
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Joined: Mon Jan 09, 2017 11:59 am
Posts: 15
Thanks!


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