Re: [PATCH v5 1/4] dt-bindings: arm: coresight: Add new compatible for static replicator

From: Leo Yan
Date: Fri Apr 12 2019 - 06:54:44 EST


On Fri, Apr 12, 2019 at 11:40:13AM +0100, Suzuki K Poulose wrote:
> On 04/12/2019 11:27 AM, Leo Yan wrote:
> > CoreSight uses below bindings for replicator:
> >
> > Dynamic replicator, aka. configurable replicator:
> > "arm,coresight-dynamic-replicator", "arm,primecell";
> >
> > Static replicator, aka. non-configurable replicator:
> > "arm,coresight-replicator";
> >
> > The compatible string "arm,coresight-replicator" is not an explicit
> > naming to express the replicator is 'static'. To unify the naming
> > convention, this patch introduces a new compatible string
> > "arm,coresight-static-replicator" for the static replicator; the
> > compatible string "arm,coresight-replicator" is kept for backward
> > compatibility, but tag it as obsolete and suggest to use the new
> > compatible string.
> >
> > As result CoreSight replicator have below bindings:
> >
> > Dynamic replicator:
> > "arm,coresight-dynamic-replicator", "arm,primecell";
> >
> > Static replicator:
> > "arm,coresight-static-replicator";
> > "arm,coresight-replicator"; (obsolete)
> >
> > Signed-off-by: Leo Yan <leo.yan@xxxxxxxxxx>
> > ---
> > Documentation/devicetree/bindings/arm/coresight.txt | 7 +++++--
> > 1 file changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
> > index f8aff65ab921..d02d160fa8ac 100644
> > --- a/Documentation/devicetree/bindings/arm/coresight.txt
> > +++ b/Documentation/devicetree/bindings/arm/coresight.txt
> > @@ -69,7 +69,10 @@ its hardware characteristcs.
> > * compatible: Currently supported value is (note the absence of the
> > AMBA markee):
> > - - "arm,coresight-replicator"
> > + - Coresight Non-configurable Replicator:
> > + "arm,coresight-static-replicator";
> > + "arm,coresight-replicator"; (OBSOLETE. For backward
> > + compatibility and will be removed)
> > * port or ports: see "Graph bindings for Coresight" below.
> > @@ -169,7 +172,7 @@ Example:
> > /* non-configurable replicators don't show up on the
> > * AMBA bus. As such no need to add "arm,primecell".
> > */
> > - compatible = "arm,coresight-replicator";
> > + compatible = "arm,coresight-static-replicator";
>
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>

Thanks a lot for quick reviewing, Suzuki.