media: v4l: cadence: Add Cadence MIPI-CSI2 RX driver
The Cadence CSI-2 RX Controller is an hardware block meant to be used as a bridge between a CSI-2 bus and pixel grabbers. It supports operating with internal or external D-PHY, with up to 4 lanes, or without any D-PHY. The current code only supports the latter case. It also support dynamic mapping of the CSI-2 virtual channels to the associated pixel grabbers, but that isn't allowed at the moment either. Acked-by: NBenoit Parrot <bparrot@ti.com> Reviewed-by: NNiklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: NMaxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: NSakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: NMauro Carvalho Chehab <mchehab+samsung@kernel.org>
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