[PATCH v2 06/15] dt-bindings: interconnect: Add Qualcomm Kuno NoC
Hardeep Sharma
hardeep.sharma at oss.qualcomm.com
Fri Aug 21 09:29:24 PDT 2026
On 8/17/2026 12:58 PM, Krzysztof Kozlowski wrote:
> On Fri, Aug 14, 2026 at 01:01:37PM +0530, Hardeep Sharma wrote:
>> Document the RPMh-based Network-on-Chip interconnect providers and
>> associated node-ID definitions for the Qualcomm Kuno SoC.
>>
>> Signed-off-by: Hardeep Sharma <hardeep.sharma at oss.qualcomm.com>
>> ---
>> .../bindings/interconnect/qcom,kuno-rpmh.yaml | 82 ++++++++++++++++++++
>> include/dt-bindings/interconnect/qcom,kuno.h | 89 ++++++++++++++++++++++
>> 2 files changed, 171 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/interconnect/qcom,kuno-rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,kuno-rpmh.yaml
>> new file mode 100644
>> index 000000000000..ffbf14356f12
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/interconnect/qcom,kuno-rpmh.yaml
>> @@ -0,0 +1,82 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/interconnect/qcom,kuno-rpmh.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm RPMh Network-On-Chip Interconnect on Kuno SoC
>> +
>> +maintainers:
>> + - Hardeep Sharma <hardeep.sharma at oss.qualcomm.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.
>> +
>> + See also: include/dt-bindings/interconnect/qcom,kuno.h
>> +
>> +properties:
>> + compatible:
>> + enum:
>> + - qcom,kuno-aggre-noc
>> + - qcom,kuno-clk-virt
>> + - qcom,kuno-cnoc-main
>> + - qcom,kuno-dc-noc
>> + - qcom,kuno-mc-virt
>> + - qcom,kuno-mem-noc
>> + - qcom,kuno-pcie-anoc
>> + - qcom,kuno-system-noc
>> +
>> + reg:
>> + maxItems: 1
>> +
>> + clocks:
>> + minItems: 1
>> + maxItems: 4
>> +
>> + clock-names:
>> + minItems: 1
>> + maxItems: 4
> Why are these flexible?
>
> Look at other bindings how this is done.
>
> Best regards,
> Krzysztof
Thanks for review.
You're right.
In v3 I've made the clocks fixed per compatible rather than a flexible
range, following the sdx75/glymur interconnect bindings.
v3 :
https://lore.kernel.org/all/20260821-kuno-soc-support-v3-0-196e2b306368@oss.qualcomm.com/
Best Wishes
Hardeep Sharma
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