[U-Boot-Users] use of aliases in device trees

Grant Likely grant.likely at secretlab.ca
Mon Nov 5 10:32:49 EST 2007


On 11/4/07, David Gibson <david at gibson.dropbear.id.au> wrote:
> On Sat, Nov 03, 2007 at 09:29:48PM -0600, Grant Likely wrote:
> > Maybe something like:
> > aliases {
> >       enet0,phandle = <&enet0>;
> >       enet1,phandle = <&enet1>;
> >       ...
> > };
>
> The fairly small advantages of using phandles here are not worth the
> hassle of defining a new alias format, when the OF one with full paths
> already exists.
>
> I would, however, like to extend dtc so that we can do something like:
>         aliases {
>                 enet0 = &enet0;
>         };
> and the reference in non-cell context will expand to the full path.
> That could be used for things like linux,stdout-path in /chosen, too.
>
> I'd also like to extend dtc so that the label can be tagged somehow, say:
>         *enet0: { ... };
> and as well as creating a normal dtc label, an alias will also be
> automatically added to /aliases.

Yeah, okay!  I like both of those ideas.  That certainly addresses my
ease of maintenance concerns.

Cheers,
g.

-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
grant.likely at secretlab.ca
(403) 399-0195



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