On Mon, Jul 04, 2022 at 02:47:13PM +0200, Krzysztof Kozlowski wrote: > On 04/07/2022 11:30, Leo Yan wrote: > > To support path tag in icc-rpm driver, the "#interconnect-cells" > > property is updated as enumerate values: 1 or 2. Setting to 1 means > > it is compatible with old DT binding that interconnect path only > > contains node id; if set to 2 for "#interconnect-cells" property, then > > the second specifier is used as a tag (e.g. vote for which buckets). > > > > Signed-off-by: Leo Yan <leo.yan@xxxxxxxxxx> > > --- > > .../devicetree/bindings/interconnect/qcom,rpm.yaml | 7 ++++++- > > 1 file changed, 6 insertions(+), 1 deletion(-) > > > > diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml > > index 8a676fef8c1d..cdfe419e7339 100644 > > --- a/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml > > +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml > > @@ -45,7 +45,12 @@ properties: > > - qcom,sdm660-snoc > > > > '#interconnect-cells': > > - const: 1 > > + description: | > > + Number of interconnect specifier. Value: <1> is one cell in a > > + interconnect specifier for the interconnect node id, <2> requires > > + the interconnect node id and an extra path tag. > > + $ref: /schemas/types.yaml#/definitions/uint32 > > Ah, too fast. No ack. This ref is also pointless and not explained in > commit msg. I referred other DT binding file for adding $ref to specify property type [1], so it's confused why it's pointless, anyway, I can drop $ref in next spin. Thanks a lot for the review! Leo [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/arm/l2c2x0.yaml#n153