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DP83867IR: Debugging issue

Part Number: DP83867IR


Hi  team 

We made one custom board based on imX 6 solo  where  we are connecting  PHY through RGMII ? Phy is not  getting probed in software , when we  probe MDC ping ping we observed that MDC clock is always 

coming ?

1)If  this  behavior is okay ? 

2) what should be  the  flow for  debugging this issue ? 

3) We are  not  sure if  our phy is not responding or iMX is  not  properly configured ? How i can isolate this ? what are  basic  minimum signals which i should expect from iMX before phy works perfectly fine?