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SubjectRe: [PATCH v8 09/10] dt-bindings: interconnect: Add interconnect-tags bindings
On Tue, May 19, 2020 at 11:58 AM Rob Herring <robh@kernel.org> wrote:
>
> On Tue, May 12, 2020 at 03:53:26PM +0300, Georgi Djakov wrote:
> > From: Sibi Sankar <sibis@codeaurora.org>
> >
> > Add interconnect-tags bindings to enable passing of optional
> > tag information to the interconnect framework.
> >
> > Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
> > Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
> > ---
> > v8:
> > * New patch, picked from here:
> > https://lore.kernel.org/r/20200504202243.5476-10-sibis@codeaurora.org
> >
> > .../devicetree/bindings/interconnect/interconnect.txt | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/interconnect/interconnect.txt b/Documentation/devicetree/bindings/interconnect/interconnect.txt
> > index 6f5d23a605b7..c1a226a934e5 100644
> > --- a/Documentation/devicetree/bindings/interconnect/interconnect.txt
> > +++ b/Documentation/devicetree/bindings/interconnect/interconnect.txt
> > @@ -55,6 +55,11 @@ interconnect-names : List of interconnect path name strings sorted in the same
> > * dma-mem: Path from the device to the main memory of
> > the system
> >
> > +interconnect-tags : List of interconnect path tags sorted in the same order as the
> > + interconnects property. Consumers can append a specific tag to
> > + the path and pass this information to the interconnect framework
> > + to do aggregation based on the attached tag.
>
> Why isn't this information in the 'interconnect' arg cells?
>
> We have 'interconnect-names' because strings don't mix with cells. An
> expanding list of 'interconnect-.*' is not a good pattern IMO.

Also, is there an example for interconnect-tags that I missed? Is it a
list of strings, numbers, etc?

-Saravana

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