AM3352: AM335 failed to initial MMC2 with Spartlan Wifi

Part Number: AM3352

Tool/software:

Champs.

I can offer you the customer full schematic thru email.

The Wifi module of Sparklan is 3.3V

They are using MMC2 (HW Instance) for adapting the Sparklan Wifi.

But I suffer for 1 month, I cannot make the MMC2 with 3.3V.

May someone to help review the cust's DTS?

Thanks.

BR Rio