* H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> [190109 16:47]: > Ho Tony, Tomi, > > > Am 08.01.2019 um 16:56 schrieb Tony Lindgren <tony@xxxxxxxxxxx>: > > > > * Tomi Valkeinen <tomi.valkeinen@xxxxxx> [190108 07:57]: > >> On 07/01/19 21:34, H. Nikolaus Schaller wrote: > >> > >>>>> If there's only one port, then it is redundant and you should drop reg > >>>>> instead. > >>> > >>> If I remember correctly it was required by older omapdrm code (which > >>> did scan for a reg property) but that may have changed. Therefore I've > >>> added Tomi to this discussion. > >> > >> I don't think so. The code looks for 'reg', but if it's not there, then > >> it's considered 0. > > > > FYI, the binding doc for the graph bindings is at > > Documentation/devicetree/bindings/graph.txt if there is > > any questions on how things should work. > > I interpret it that "port@number" is only needed if there are > multiple ports and there should not be any "@" or "reg" for the > single port case. Although it seems not to be explicitly > forbidden. > > The &dss port doesn't have it either. > > So let's remove the reg = <0>; > > It also seems that > > #address-cells = <1>; > #size-cells = <0>; > > is not required in this case and can also be removed. > > I've tested and it works with v5.0-rc1. > > There is an edited patch [1] but IMHO you as the original > author should post it. Looks good to me. But since you already modified it, all you need to do is add your Signed-off-by after mine and mail it out :) That is if you want to keep me as the original author I guess for the description. Otherwise we have to go through one more round of emails where I post it you ack it and so on as I can't test it. Regards, Tony > [1]: http://git.goldelico.com/?p=letux-kernel.git;a=commit;h=e46369390f62ce7176e91dfa443185e4b097ef4b