linux-kernel - [PATCH 1/7] dt-bindings: interconnect: qcom: Introduce qcom,rpm-common

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Date:   Fri, 21 Jul 2023 15:54:11 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Georgi Djakov <djakov@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Shawn Guo <shawn.guo@...aro.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 1/7] dt-bindings: interconnect: qcom: Introduce
 qcom,rpm-common

The current RPM interconnect bindings are messy. Start cleaning them
up with a common include.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 .../bindings/interconnect/qcom,qcm2290.yaml        | 12 +++------
 .../bindings/interconnect/qcom,rpm-common.yaml     | 31 ++++++++++++++++++++++
 2 files changed, 35 insertions(+), 8 deletions(-)

diff --git a/Documentation/devicetree/bindings/interconnect/qcom,qcm2290.yaml b/Documentation/devicetree/bindings/interconnect/qcom,qcm2290.yaml
index f65a2fe846de..edee78c456b7 100644
--- a/Documentation/devicetree/bindings/interconnect/qcom,qcm2290.yaml
+++ b/Documentation/devicetree/bindings/interconnect/qcom,qcm2290.yaml
@@ -13,19 +13,16 @@ description: |
   The Qualcomm QCM2290 interconnect providers support adjusting the
   bandwidth requirements between the various NoC fabrics.
 
-properties:
-  reg:
-    maxItems: 1
+allOf:
+  - $ref: qcom,rpm-common.yaml#
 
+properties:
   compatible:
     enum:
       - qcom,qcm2290-bimc
       - qcom,qcm2290-cnoc
       - qcom,qcm2290-snoc
 
-  '#interconnect-cells':
-    const: 1
-
   clock-names:
     items:
       - const: bus
@@ -75,11 +72,10 @@ patternProperties:
 required:
   - compatible
   - reg
-  - '#interconnect-cells'
   - clock-names
   - clocks
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpm-common.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpm-common.yaml
new file mode 100644
index 000000000000..87995b40a856
--- /dev/null
+++ b/Documentation/devicetree/bindings/interconnect/qcom,rpm-common.yaml
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interconnect/qcom,rpm-common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm RPMh Network-On-Chip Interconnect
+
+maintainers:
+  - Konrad Dybcio <konradybcio@...nel.org>
+
+description:
+  RPM interconnect providers support for managing system bandwidth requirements
+  through manual requests based on either predefined values or as indicated by
+  the bus monitor hardware. Each provider node represents a NoC bus master,
+  driven by a dedicated clock source.
+
+properties:
+  reg:
+    maxItems: 1
+
+  '#interconnect-cells':
+    oneOf:
+      - const: 2
+      - const: 1
+        deprecated: true
+
+required:
+  - '#interconnect-cells'
+
+additionalProperties: true

-- 
2.41.0