linux-kernel - [PATCH v2 1/3] dt-bindings: interconnect: split SC7280 to own schema

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Message-Id: <20230111092637.17946-1-krzysztof.kozlowski@linaro.org>
Date:   Wed, 11 Jan 2023 10:26:35 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Georgi Djakov <djakov@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Odelu Kukatla <okukatla@...eaurora.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v2 1/3] dt-bindings: interconnect: split SC7280 to own schema

SC7280 comes with interconnects having and missing IO address space, so
split it from common file for easier maintenance and to fix warnings like:

  sc7280-herobrine-crd.dtb: interconnect: 'reg' is a required property

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Reviewed-by: Rob Herring <robh@...nel.org>

---

Changes since v1:
1. Fix typo in commit msg
2. Add Rb tag
---
 .../bindings/interconnect/qcom,rpmh.yaml      | 12 ----
 .../interconnect/qcom,sc7280-rpmh.yaml        | 71 +++++++++++++++++++
 2 files changed, 71 insertions(+), 12 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,sc7280-rpmh.yaml

diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
index a429a1ed1006..4bdcc014c46b 100644
--- a/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
+++ b/Documentation/devicetree/bindings/interconnect/qcom,rpmh.yaml
@@ -39,18 +39,6 @@ properties:
       - qcom,sc7180-npu-noc
       - qcom,sc7180-qup-virt
       - qcom,sc7180-system-noc
-      - qcom,sc7280-aggre1-noc
-      - qcom,sc7280-aggre2-noc
-      - qcom,sc7280-clk-virt
-      - qcom,sc7280-cnoc2
-      - qcom,sc7280-cnoc3
-      - qcom,sc7280-dc-noc
-      - qcom,sc7280-gem-noc
-      - qcom,sc7280-lpass-ag-noc
-      - qcom,sc7280-mc-virt
-      - qcom,sc7280-mmss-noc
-      - qcom,sc7280-nsp-noc
-      - qcom,sc7280-system-noc
       - qcom,sc8180x-aggre1-noc
       - qcom,sc8180x-aggre2-noc
       - qcom,sc8180x-camnoc-virt
diff --git a/Documentation/devicetree/bindings/interconnect/qcom,sc7280-rpmh.yaml b/Documentation/devicetree/bindings/interconnect/qcom,sc7280-rpmh.yaml
new file mode 100644
index 000000000000..b135597d9489
--- /dev/null
+++ b/Documentation/devicetree/bindings/interconnect/qcom,sc7280-rpmh.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interconnect/qcom,sc7280-rpmh.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm RPMh Network-On-Chip Interconnect on SC7280
+
+maintainers:
+  - Bjorn Andersson <andersson@...nel.org>
+  - Konrad Dybcio <konrad.dybcio@...aro.org>
+
+description: |
+  RPMh interconnect providers support system bandwidth requirements through
+  RPMh hardware accelerators known as Bus Clock Manager (BCM).
+
+  See also:: include/dt-bindings/interconnect/qcom,sc7280.h
+
+properties:
+  compatible:
+    enum:
+      - qcom,sc7280-aggre1-noc
+      - qcom,sc7280-aggre2-noc
+      - qcom,sc7280-clk-virt
+      - qcom,sc7280-cnoc2
+      - qcom,sc7280-cnoc3
+      - qcom,sc7280-dc-noc
+      - qcom,sc7280-gem-noc
+      - qcom,sc7280-lpass-ag-noc
+      - qcom,sc7280-mc-virt
+      - qcom,sc7280-mmss-noc
+      - qcom,sc7280-nsp-noc
+      - qcom,sc7280-system-noc
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+
+allOf:
+  - $ref: qcom,rpmh-common.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sc7280-clk-virt
+    then:
+      properties:
+        reg: false
+    else:
+      required:
+        - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    interconnect {
+        compatible = "qcom,sc7280-clk-virt";
+        #interconnect-cells = <2>;
+        qcom,bcm-voters = <&apps_bcm_voter>;
+    };
+
+    interconnect@...0000 {
+        reg = <0x9100000 0xe2200>;
+        compatible = "qcom,sc7280-gem-noc";
+        #interconnect-cells = <2>;
+        qcom,bcm-voters = <&apps_bcm_voter>;
+    };
-- 
2.34.1