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SubjectRe: [PATCH v4 1/3] dt-bindings: interconnect: Add rpmh virt devices
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On 21/11/2022 18:39, Melody Olvera wrote:
>
>
> On 11/20/2022 5:13 AM, Krzysztof Kozlowski wrote:
>> On 18/11/2022 19:22, Melody Olvera wrote:
>>> Add documentation for virtual rpmh devices. These interconnects
>>> are not controlled by the application processor and thus
>>> require separate bindings. Also, move compatibles for sm8450 to
>>> this document and add them for QDU1000/QRU1000 platforms.
>>>
>>> Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
>>> ---
>>> .../bindings/interconnect/qcom,rpmh-virt.yaml | 55 +++++++++++++++++++
>>> .../bindings/interconnect/qcom,rpmh.yaml | 2 -
>>> 2 files changed, 55 insertions(+), 2 deletions(-)
>>> create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,rpmh-virt.yaml
>>>
>>> diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh-virt.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh-virt.yaml
>>> new file mode 100644
>>> index 000000000000..5cbaa51df863
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh-virt.yaml
>>> @@ -0,0 +1,55 @@
>>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/interconnect/qcom,rpmh-virt.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Qualcomm RPMh Virtual Network-On-Chip Interconnect
>>> +
>>> +maintainers:
>>> + - Georgi Djakov <georgi.djakov@linaro.org>
>>> + - Odelu Kukatla <quic_okukatla@quicinc.com>
>>> +
>>> +description: |
>>> + RPMh interconnect providers support system bandwidth requirements through
>>> + RPMh hardware accelerators known as Bus Clock Manager (BCM). The provider is
>>> + able to communicate with the BCM through the Resource State Coordinator (RSC)
>>> + associated with each execution environment. Provider nodes must point to at
>>> + least one RPMh device child node pertaining to their RSC and each provider
>>> + can map to multiple RPMh resources. Virtual interconnect providers are not
>>> + controlled by AP and do not support QoS; they should not have associated
>>> + register regions.
>>> +
>>> +allOf:
>>> + - $ref: qcom,rpmh-common.yaml#
>>> +
>>> +properties:
>>> + compatible:
>>> + enum:
>>> + - qcom,qdu1000-clk-virt
>>> + - qcom,qdu1000-mc-virt
>>> + - qcom,sm8450-clk-virt
>>> + - qcom,sm8450-mc-virt
>> You should also move qcom,sdx65-mc-virt, qcom,sc8280xp-mc-virt,
>> qcom,sc8280xp-clk-virt and more.
>
> Ok. I wasn't sure since some of these entries don't seem to conform to
> these bindings, even though it seems they should.

I have impression that devices I listed conform to these bindings, this
is why I listed them. But if you are sure that they do not, then they
should not be moved.

Best regards,
Krzysztof

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