On Wed, Mar 06, 2019 at 05:30:59PM +0100, Frank Mehnert wrote: > Hi all, > > could anybody provide me a link to a reference manual of the Renesas SDHI > controller which are used in the RCar3 SoC? Hi Frank, my understanding is that this information is only available from Renesas under NDA. I would suggest contacting your local Renesas representative.