linux-kernel - [PATCH 01/12] dt-bindings: arm: coresight: Add cpu cluster tmc/funnel/replicator support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20251027-cpu_cluster_component_pm-v1-1-31355ac588c2@oss.qualcomm.com>
Date: Mon, 27 Oct 2025 23:28:03 -0700
From: Yuanfang Zhang <yuanfang.zhang@....qualcomm.com>
To: Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>,
        James Clark <james.clark@...aro.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Leo Yan <leo.yan@...ux.dev>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: kernel@....qualcomm.com, coresight@...ts.linaro.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Yuanfang Zhang <yuanfang.zhang@....qualcomm.com>
Subject: [PATCH 01/12] dt-bindings: arm: coresight: Add cpu cluster
 tmc/funnel/replicator support

Add the following compatible strings to the bindings:
- arm,coresight-cpu-funnel
- arm,coresight-cpu-replicator
- arm,coresight-cpu-tmc

Each requires 'power-domains' when used.

Signed-off-by: Yuanfang Zhang <yuanfang.zhang@....qualcomm.com>
---
 .../bindings/arm/arm,coresight-dynamic-funnel.yaml | 23 +++++++++++++++++-----
 .../arm/arm,coresight-dynamic-replicator.yaml      | 22 +++++++++++++++++----
 .../devicetree/bindings/arm/arm,coresight-tmc.yaml | 22 +++++++++++++++++----
 3 files changed, 54 insertions(+), 13 deletions(-)

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
index b74db15e5f8af2226b817f6af5f533b1bfc74736..8f32d4e3bbb750f5a6262db0032318875739cf81 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
@@ -28,19 +28,32 @@ select:
   properties:
     compatible:
       contains:
-        const: arm,coresight-dynamic-funnel
+        enum:
+          - arm,coresight-dynamic-funnel
+          - arm,coresight-cpu-funnel
   required:
     - compatible
 
 allOf:
   - $ref: /schemas/arm/primecell.yaml#
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: arm,coresight-cpu-funnel
+    then:
+      required:
+        - power-domains
+
 properties:
   compatible:
-    items:
-      - const: arm,coresight-dynamic-funnel
-      - const: arm,primecell
-
+    oneOf:
+      - items:
+          - const: arm,coresight-dynamic-funnel
+          - const: arm,primecell
+      - items:
+          - const: arm,coresight-cpu-funnel
   reg:
     maxItems: 1
 
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
index 17ea936b796fd42bb885e539201276a11e91028c..5ce30c4e9c415f487ee61dceaf5b8ad12c78e671 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
@@ -28,18 +28,32 @@ select:
   properties:
     compatible:
       contains:
-        const: arm,coresight-dynamic-replicator
+        enum:
+          - arm,coresight-dynamic-replicator
+          - arm,coresight-cpu-replicator
   required:
     - compatible
 
 allOf:
   - $ref: /schemas/arm/primecell.yaml#
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: arm,coresight-cpu-replicator
+    then:
+      required:
+        - power-domains
+
 properties:
   compatible:
-    items:
-      - const: arm,coresight-dynamic-replicator
-      - const: arm,primecell
+    oneOf:
+      - items:
+          - const: arm,coresight-dynamic-replicator
+          - const: arm,primecell
+      - items:
+          - const: arm,coresight-cpu-replicator
 
   reg:
     maxItems: 1
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
index 96dd5b5f771a39138df9adde0c9c9a6f5583d9da..d7c0b618fe98a3ca584041947fb5c0f80f1ade6e 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
@@ -29,18 +29,32 @@ select:
   properties:
     compatible:
       contains:
-        const: arm,coresight-tmc
+        enum:
+          - arm,coresight-tmc
+          - arm,coresight-cpu-tmc
   required:
     - compatible
 
 allOf:
   - $ref: /schemas/arm/primecell.yaml#
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: arm,coresight-cpu-tmc
+    then:
+      required:
+        - power-domains
+
 properties:
   compatible:
-    items:
-      - const: arm,coresight-tmc
-      - const: arm,primecell
+    oneOf:
+      - items:
+          - const: arm,coresight-tmc
+          - const: arm,primecell
+      - items:
+          - const: arm,coresight-cpu-tmc
 
   reg:
     maxItems: 1

-- 
2.34.1