linux.git/Documentation/devicetree/bindings/interconnect, branch v7.2-rc2 Linux kernel source tree Merge branch 'icc-misc' into icc-next 2026-05-22T07:41:01+00:00 Georgi Djakov djakov@kernel.org 2026-05-22T07:41:01+00:00 94fe92d2f662b990da2ef9788bbe3bdcfe086731 * icc-misc interconnect: Do not create empty devres on missing interconnects interconnect: Move MODULE_DEVICE_TABLE next to the table itself dt-bindings: interconnect: qcom,sdm660: Disallow clocks when appropriate dt-bindings: interconnect: qcom,sm6115: Drop incorrect children if:then: block dt-bindings: interconnect: qcom,sm6115: Restrict children and clocks interconnect: qcom: Fix indentation interconnect: qcom: Restrict drivers per ARM/ARM64 Signed-off-by: Georgi Djakov <djakov@kernel.org> 
* icc-misc
  interconnect: Do not create empty devres on missing interconnects
  interconnect: Move MODULE_DEVICE_TABLE next to the table itself
  dt-bindings: interconnect: qcom,sdm660: Disallow clocks when appropriate
  dt-bindings: interconnect: qcom,sm6115: Drop incorrect children if:then: block
  dt-bindings: interconnect: qcom,sm6115: Restrict children and clocks
  interconnect: qcom: Fix indentation
  interconnect: qcom: Restrict drivers per ARM/ARM64

Signed-off-by: Georgi Djakov <djakov@kernel.org>
Merge branch 'icc-hawi' into icc-next 2026-05-21T19:52:10+00:00 Georgi Djakov djakov@kernel.org 2026-05-21T19:52:10+00:00 0d0a40e3f86ddf4ee364d806b863b53bb825ac7d Add interconnect bindings and RPMh-based interconnect driver support for the upcoming Qualcomm Hawi SoC. * icc-hawi dt-bindings: interconnect: qcom-bwmon: Add Hawi cpu-bwmon compatible dt-bindings: interconnect: qcom-bwmon: Add Hawi llcc-bwmon compatible dt-bindings: interconnect: qcom: document the RPMh NoC for Hawi SoC interconnect: qcom: add Hawi interconnect provider driver Link: https://patch.msgid.link/20260506-icc-hawi-v4-0-35447fdc482b@oss.qualcomm.com Signed-off-by: Georgi Djakov <djakov@kernel.org> 
Add interconnect bindings and RPMh-based interconnect
driver support for the upcoming Qualcomm Hawi SoC.

* icc-hawi
  dt-bindings: interconnect: qcom-bwmon: Add Hawi cpu-bwmon compatible
  dt-bindings: interconnect: qcom-bwmon: Add Hawi llcc-bwmon compatible
  dt-bindings: interconnect: qcom: document the RPMh NoC for Hawi SoC
  interconnect: qcom: add Hawi interconnect provider driver

Link: https://patch.msgid.link/20260506-icc-hawi-v4-0-35447fdc482b@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
dt-bindings: interconnect: qcom: document the RPMh NoC for Hawi SoC 2026-05-21T19:51:30+00:00 Vivek Aknurwar vivek.aknurwar@oss.qualcomm.com 2026-05-06T18:38:46+00:00 07548b04dc36678898f1d1274c2e1731ce264701 Document the RPMh Network-On-Chip interconnect for the Qualcomm Hawi SoC. Reviewed-by: Mike Tipton <mike.tipton@oss.qualcomm.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Signed-off-by: Vivek Aknurwar <vivek.aknurwar@oss.qualcomm.com> Link: https://patch.msgid.link/20260506-icc-hawi-v4-1-35447fdc482b@oss.qualcomm.com Signed-off-by: Georgi Djakov <djakov@kernel.org> 
Document the RPMh Network-On-Chip interconnect for the Qualcomm Hawi SoC.

Reviewed-by: Mike Tipton <mike.tipton@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Vivek Aknurwar <vivek.aknurwar@oss.qualcomm.com>
Link: https://patch.msgid.link/20260506-icc-hawi-v4-1-35447fdc482b@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
dt-bindings: interconnect: qcom-bwmon: Add Hawi llcc-bwmon compatible 2026-05-21T19:50:55+00:00 Mukesh Ojha mukesh.ojha@oss.qualcomm.com 2026-05-20T12:22:19+00:00 e15836e4aa684d4f8d84376c54d3fd202e1bad50 Document BWMONv5 instance present on Hawi SoC for monitoring bandwidth LLCC to DDR. Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com> Link: https://patch.msgid.link/20260520122219.2372694-1-mukesh.ojha@oss.qualcomm.com Signed-off-by: Georgi Djakov <djakov@kernel.org> 
Document BWMONv5 instance present on Hawi SoC for monitoring bandwidth
LLCC to DDR.

Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Link: https://patch.msgid.link/20260520122219.2372694-1-mukesh.ojha@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Merge branch 'icc-nord' into icc-next 2026-05-21T17:57:37+00:00 Georgi Djakov djakov@kernel.org 2026-05-21T17:57:37+00:00 21f951515a55565904a0f7b2e70ff915d11938f9 This adds RPMh-based interconnect support for the Qualcomm Nord SoC. The Nord SoC features a rich Network-on-Chip topology comprising 19 NoCs including aggregate NoCs, a high-speed configuration NoC (HSCNOC), a multimedia NoC, four NSP data NoCs for AI/ML workloads, PCIe inbound and outbound NoCs, a system NoC, and virtual clock/MC nodes. Bandwidth requests are communicated to the RPMh hardware through Bus Clock Manager (BCM) resources via the Resource State Coordinator (RSC). * icc-nord dt-bindings: interconnect: Document RPMh Network-On-Chip for Qualcomm Nord SoC interconnect: qcom: Add interconnect provider driver for Nord SoC Link: https://patch.msgid.link/20260510020607.1129773-1-shengchao.guo@oss.qualcomm.com Signed-off-by: Georgi Djakov <djakov@kernel.org> 
This adds RPMh-based interconnect support for the Qualcomm Nord SoC.

The Nord SoC features a rich Network-on-Chip topology comprising 19 NoCs
including aggregate NoCs, a high-speed configuration NoC (HSCNOC), a
multimedia NoC, four NSP data NoCs for AI/ML workloads, PCIe inbound and
outbound NoCs, a system NoC, and virtual clock/MC nodes. Bandwidth requests
are communicated to the RPMh hardware through Bus Clock Manager (BCM)
resources via the Resource State Coordinator (RSC).

* icc-nord
  dt-bindings: interconnect: Document RPMh Network-On-Chip for Qualcomm Nord SoC
  interconnect: qcom: Add interconnect provider driver for Nord SoC

Link: https://patch.msgid.link/20260510020607.1129773-1-shengchao.guo@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
dt-bindings: interconnect: qcom,sm6115: Restrict children and clocks 2026-05-10T09:35:29+00:00 Krzysztof Kozlowski krzysztof.kozlowski@oss.qualcomm.com 2026-05-03T16:16:56+00:00 401af0eb273f8188c2167923933bf92360e1f50e Some interconnect devices described in the binding have children and some have clocks. The devices which do not have them, should have this restricted (disallowed). qcom,sm6115-cnoc has a clock, thus also extend the example to be complete for this device. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Link: https://patch.msgid.link/20260503161653.60785-6-krzysztof.kozlowski@oss.qualcomm.com Signed-off-by: Georgi Djakov <djakov@kernel.org> 
Some interconnect devices described in the binding have children and
some have clocks.  The devices which do not have them, should have this
restricted (disallowed).

qcom,sm6115-cnoc has a clock, thus also extend the example to be
complete for this device.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://patch.msgid.link/20260503161653.60785-6-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
dt-bindings: interconnect: qcom,sm6115: Drop incorrect children if:then: block 2026-05-10T09:34:59+00:00 Krzysztof Kozlowski krzysztof.kozlowski@oss.qualcomm.com 2026-05-03T16:16:55+00:00 59eff26d62bf54a2f0751cb0c2b07f314888702f This binding has children, so any if:then: block restricting them, cannot be defined in top-level allOf:if:then:properties:, because it simply does not match these children. The block, if it was useful, should be defined within patternProperties for the children, however since child nodes do not have clocks at all, there is little point in disallowing them in the first place. Remove completely redundant and ineffective piece of code. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20260503161653.60785-5-krzysztof.kozlowski@oss.qualcomm.com Signed-off-by: Georgi Djakov <djakov@kernel.org> 
This binding has children, so any if:then: block restricting them,
cannot be defined in top-level allOf:if:then:properties:, because it
simply does not match these children.  The block, if it was useful,
should be defined within patternProperties for the children, however
since child nodes do not have clocks at all, there is little point in
disallowing them in the first place.

Remove completely redundant and ineffective piece of code.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260503161653.60785-5-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
dt-bindings: interconnect: qcom,sdm660: Disallow clocks when appropriate 2026-05-10T09:34:23+00:00 Krzysztof Kozlowski krzysztof.kozlowski@oss.qualcomm.com 2026-05-03T16:16:54+00:00 5fd68a012032c3ed8c002caa2e1d26a84116ad83 Only qcom,sdm660-mnoc and qcom,sdm660-a2noc devices from what is covered by this binding have clocks. Others do not, so restrict the schema to be more accurate. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20260503161653.60785-4-krzysztof.kozlowski@oss.qualcomm.com Signed-off-by: Georgi Djakov <djakov@kernel.org> 
Only qcom,sdm660-mnoc and qcom,sdm660-a2noc devices from what is covered
by this binding have clocks.  Others do not, so restrict the schema to
be more accurate.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260503161653.60785-4-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
dt-bindings: interconnect: qcom-bwmon: Add Hawi cpu-bwmon compatible 2026-05-10T09:19:51+00:00 Mukesh Ojha mukesh.ojha@oss.qualcomm.com 2026-04-27T18:22:55+00:00 a8f6774070428b9318acb65d4b9c02dc7aa4fffe Add the Qualcomm Hawi SoC compatible string for the CPU bandwidth monitor and there is single instance present globally to monitor the traffic from CPU to LLCC. Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Link: https://patch.msgid.link/20260427182255.3649922-1-mukesh.ojha@oss.qualcomm.com Signed-off-by: Georgi Djakov <djakov@kernel.org> 
Add the Qualcomm Hawi SoC compatible string for the CPU bandwidth
monitor and there is single instance present globally to monitor
the traffic from CPU to LLCC.

Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260427182255.3649922-1-mukesh.ojha@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
dt-bindings: interconnect: Document RPMh Network-On-Chip for Qualcomm Nord SoC 2026-05-10T09:12:04+00:00 Odelu Kukatla odelu.kukatla@oss.qualcomm.com 2026-05-10T02:06:06+00:00 8d315860b5cce17559151d04b1d85022f0bb15a2 Add RPMh Network-On-Chip interconnect bindings for Qualcomm Nord SoC. Signed-off-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com> Link: https://patch.msgid.link/20260510020607.1129773-2-shengchao.guo@oss.qualcomm.com Signed-off-by: Georgi Djakov <djakov@kernel.org> 
Add RPMh Network-On-Chip interconnect bindings for Qualcomm Nord SoC.

Signed-off-by: Odelu Kukatla <odelu.kukatla@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Link: https://patch.msgid.link/20260510020607.1129773-2-shengchao.guo@oss.qualcomm.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>