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Why phy(mdio) driver and ecspi1 confict?

Question asked by guochgz on Sep 4, 2019
Latest reply on Sep 5, 2019 by guochgz

hello.

      I have faced a strange issues, that when I compiled the spi driver into the kernel, the PHY mdio can not get the chipID ex. got the value is 0xffffffff, but when I compile the spi driver to module,  and disabled ecspi1, the network is ok.

Is there a iomux confict? 

the following is the iomux define, pls tell me what's wrong? 

ECSPI1:

 

FEC1:

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