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2018-05-28media: rcar-csi2: add Renesas R-Car MIPI CSI-2 receiver documentationNiklas Söderlund1-0/+101
Documentation for Renesas R-Car MIPI CSI-2 receiver. The CSI-2 receivers are located between the video sources (CSI-2 transmitters) and the video grabbers (VIN) on Gen3 of Renesas R-Car SoC. Each CSI-2 device is connected to more than one VIN device which simultaneously can receive video from the same CSI-2 device. Each VIN device can also be connected to more than one CSI-2 device. The routing of which links are used is controlled by the VIN devices. There are only a few possible routes which are set by hardware limitations, which are different for each SoC in the Gen3 family. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>