AM6411: I want to find interface transceiver SDIO to PCIe.

are you meaning a PCIe to SDIO bridge IC ?

Refer to blow this :  

I wanna "SDIO to PCIe Transceiver" 

Hello 

I am transferring this thread to our interface group to see if they have any guidance from their offerings

(+) TMUXHS4212: Switch between PCIe and SDIO Interfaces - Interface forum - Interface - TI E2E support forums

On google search I also see offerings from our 3P SOM providers like below

PCIe to SD/MMC Bridge - iWave Systems

Hope this helps