Use the RTIO work queue to fake the i2c submit calls for drivers which
haven't yet implemented the API. Applications can change the size of
the work queue pool depending on how much traffic they have on the buses.
Signed-off-by: Yuval Peress <peress@google.com>
MAX32 I2C peripheral can benefit from DMA transfers. This patch adds
DMA support for transactions made in controller mode.
Signed-off-by: Tahsin Mutlugun <Tahsin.Mutlugun@analog.com>
