On Sat, Jun 8, 2019 at 8:25 PM Chris Johns <chr...@rtems.org> wrote: > > On 8/6/19 1:45 am, Christian Mauderer wrote: > > Note that basically all device tree files that I have found yet are forked > > from the Linux ones. > > Yes, I understand this is the case. > > > They are all GPL. > > We need to work with these files and respect the license they are under. I > think > GPL DTS is OK if these files are not linked into an executable. I am not sure > where you stand in relation to the GPL license if you link a GPL dtb into an > executable. An overlay we create under a suitable license should be fine. >
If you apply the overlay using host tools, then the license implications are problematic since you will be distributing a binary program that is combining GPL code, the entire image comes under GPL. Building the overlay online is more defensible, since you can distribute the dtb separately. > > I think it was Sichen Zhao during 2017 GSoC who wanted to add some to the > > RTEMS repository and it has been rejected due to the license. > > I remember and I still think the position discussed is fine. > > > I don't really object to adding them somewhere. > > What do we host and maintain? Do we need to host any of these files or should > we > have a tool to collect and/or generate the blobs we need. > > > But we should think exactly about where we want that stuff. > > Having a blob as a file in a system theoretically lets someone update it. The > `dtc` compiler can generate the dts source from a blob so a user can recover > the > source, make a change, generate a blob, then return it back into a system if > they wish too. > > What about building the FDT blobs we need with the RSB? I know this will work > on > FreeBSD and I suspect Linux, MacOS has some issues with clang's cpp. > > Chris > _______________________________________________ > users mailing list > users@rtems.org > http://lists.rtems.org/mailman/listinfo/users _______________________________________________ users mailing list users@rtems.org http://lists.rtems.org/mailman/listinfo/users
