> It seems RZ/G1C has two slighty different types of SD card interfaces: > 1. SDHI0 and SDHI2 use SYS-DMAC, > 2. SDHI1 can also be used as an MMC interface, and has an internal DMAC. > > Do we need to distinguish between them using the compatible value, or > are there other ways?
Yes, that seems to need an update to our current implementation which is per-SoC only. One idea from my side would be to whitelist SYS-DMAC for this compatible and then check if dma-properties are present, otherwise fall back to internal DMAC? Fabrizio, did you have any plans how to handle that?
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