Re: [PATCH v3 03/15] dt-bindings: interconnect: split SC8180x to own schema

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On 31-05-23, 10:22, Krzysztof Kozlowski wrote:
> On 30/05/2023 18:24, Vinod Koul wrote:
> > SC8180x comes with interconnects with missing IO address space and
> > variable number of clocks, so split it from common file for easier
> > maintenance and to fix warnings like:
> > 
> > sc8180x-lenovo-flex-5g.dtb: interconnect-0: 'reg' is a required property
> > 
> > Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
> > ---
> >  .../bindings/interconnect/qcom,rpmh.yaml      | 11 -----
> >  .../interconnect/qcom,sc8180x-rpmh.yaml       | 49 +++++++++++++++++++
> >  2 files changed, 49 insertions(+), 11 deletions(-)
> >  create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,sc8180x-rpmh.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
> > index 4d93ad415e0b..5cbc3be49e99 100644
> > --- a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
> > +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
> > @@ -39,17 +39,6 @@ properties:
> >        - qcom,sc7180-npu-noc
> >        - qcom,sc7180-qup-virt
> >        - qcom,sc7180-system-noc
> > -      - qcom,sc8180x-aggre1-noc
> > -      - qcom,sc8180x-aggre2-noc
> > -      - qcom,sc8180x-camnoc-virt
> > -      - qcom,sc8180x-compute-noc
> > -      - qcom,sc8180x-config-noc
> > -      - qcom,sc8180x-dc-noc
> > -      - qcom,sc8180x-gem-noc
> > -      - qcom,sc8180x-mc-virt
> > -      - qcom,sc8180x-mmss-noc
> > -      - qcom,sc8180x-qup-virt
> > -      - qcom,sc8180x-system-noc
> >        - qcom,sdm670-aggre1-noc
> >        - qcom,sdm670-aggre2-noc
> >        - qcom,sdm670-config-noc
> > diff --git a/Documentation/devicetree/bindings/interconnect/qcom,sc8180x-rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,sc8180x-rpmh.yaml
> > new file mode 100644
> > index 000000000000..b182c2c5addc
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/interconnect/qcom,sc8180x-rpmh.yaml
> > @@ -0,0 +1,49 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/interconnect/qcom,sc8180x-rpmh.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Qualcomm RPMh Network-On-Chip Interconnect on SC8180X
> > +
> > +maintainers:
> > +  - Bjorn Andersson <andersson@xxxxxxxxxx>
> > +  - Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> > +
> > +description: |
> > +  RPMh interconnect providers support system bandwidth requirements through
> > +  RPMh hardware accelerators known as Bus Clock Manager (BCM).
> > +
> > +  See also:: include/dt-bindings/interconnect/qcom,sc8180x.h
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - qcom,sc8180x-aggre1-noc
> > +      - qcom,sc8180x-aggre2-noc
> > +      - qcom,sc8180x-camnoc-virt
> > +      - qcom,sc8180x-compute-noc
> > +      - qcom,sc8180x-config-noc
> > +      - qcom,sc8180x-dc-noc
> > +      - qcom,sc8180x-gem-noc
> > +      - qcom,sc8180x-ipa-virt
> > +      - qcom,sc8180x-mc-virt
> > +      - qcom,sc8180x-mmss-noc
> > +      - qcom,sc8180x-qup-virt
> > +      - qcom,sc8180x-system-noc
> > +
> > +required:
> > +  - compatible
> > +
> > +allOf:
> > +  - $ref: qcom,rpmh-common.yaml#
> 
> This should be based on sc7280. You need reg for some of the entries.

Yes missed reg part here.

Question is should it be added sc7280 or have a different file, I think
doing former is better

> 
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    interconnect-0 {
> 
> Just "interconnect"

Nope. We have multiple virtual nodes here so interconnect-N would
need to be done

-- 
~Vinod



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