[PATCH 0/5] ARM: shmobile: r8a7790: enable IIC(B) cores
wsa at the-dreams.de
Tue Mar 25 12:31:38 EDT 2014
> > This series allows r8a7790 boards to use the alternative IIC(B) controller
> > handled by the i2c-sh_mobile driver. Since both i2c cores always use the
> > same pins only in a different function group, you can easily use this or
> > that core for your devices. For that reason, there is currently no
> > enablement on the Lager board, since it needs discussion which core we want
> > to have on which bus. sh_mobile seems more stable currently, so I'd vote
> > for that.
> Do you have a short list of pros and cons from a hardware point of view ?
iic has DMA capability for which we don't have software support yet.
Other than that, I guess it is just details and I haven't looked that deep
into the datasheets yet. That might be coming after this DT enablement.
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