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TMDS64GPEVM: Reduce MMC1 clock to permit integration of SDIO Wifi module

GUITTET JOEL
Prodigy 180 points

Part Number: TMDS64GPEVM

Hello TI Experts,

I'm working with the TMDS64GPEVM evaluation board. I have connected a Wifi module on the MMC1 interface (SD-card slot). Because the wiring is not the best I want to reduce the clock of the SDIO interface to the minimum so that the SDIO device can be detected/initialized properly.

Driver is initializing the Wifi device during the boot so I'm looking for a solution to set the MMC1 clock before. Naturally thinking to the device tree, but I haven't found proper solution to do it.

=> How to set MMC1 clock in the device tree ?

Device tree currently used it the default (k3-am642-evm.dts), MMC1 is sdhci1.

Thanks for the suggestions!

Regards,

Joel