Hi Frank, On Monday 08 February 2016 08:40:11 Franck Jullien wrote: > 2016-02-04 10:45 GMT+01:00 Laurent Pinchart: > > On Tuesday 02 February 2016 17:05:06 Franck Jullien wrote: > >> Hi, > >> > >> I need to use a Xilinx video infrastructure on a PCIe board. > >> As far as I understand it, all Xilinx video drivers make use of the > >> device-tree for configuration. > > > > Correct. Those drivers target the Xilinx SoC FPGAs, no standalone FPGAs > > connected to an external CPU. > > > >> However, my idea is to create a MFD device to bind video drivers. That > >> would require Xilinx video drivers to check platform_data and continue > >> with device tree configuration if it is null or use platform data if > >> available. > >> > >> Do you think such a change in Xilinx drivers can be considered > >> upstream ? Is this the way to go ? > > > > Your use case is certainly valid, so I'm certainly open to supporting it > > in the drivers. > > > > I'm wondering whether your MFD decide driver could create a DT fragment to > > describe the IP cores topology. That way we could reuse the existing DT > > support in individual drivers. > > I'm working on such a solution (DT framgent, or more precisely > devitree dynamic feature). > I'll keep you informed whenever I get something usable. Thank you. If you're faced with design choices please feel free to pick our brains at any time without waiting for a complete implementation. -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html