i.MX6ULL: SD/SDIO multiplexer (eg FSSD06-d) usage and suggentions

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i.MX6ULL: SD/SDIO multiplexer (eg FSSD06-d) usage and suggentions

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SicScar
Contributor II

Hi everyone!

I'm working on an imx6ull (at the moment, I'm on the evk, as a prototype) and I need an extra micro SD for storage. I was suggested to use an SDIO multiplexer (like ON Semiconductor FSSD06-d), and I should need to control OE & SEL pin to switch SD/SDIO bus, without any extra driver. 

Did anyone use this method before? If yes, do I need to write a script to control manually the pin? or Linux is capable to do it itself with a specific kernel (dts) configuration?  

Huge thanks,

Simone

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renshilong
Contributor I

Have you finish the problem?I meet the same problem, and also want the answer.

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