linux-kernel - [PATCH v2 02/12] dt-bindings: PCI: qcom: Document sc8180x properties

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Message-Id: <20230325122444.249507-3-vkoul@kernel.org>
Date:   Sat, 25 Mar 2023 17:54:34 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, Vinod Koul <vkoul@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 02/12] dt-bindings: PCI: qcom: Document sc8180x properties

sc8180x PCIe clocks and resets are different from the common pcie
binding, this warrants the oneOf clause for the clocks and resets

Signed-off-by: Vinod Koul <vkoul@...nel.org>
---
 .../devicetree/bindings/pci/qcom,pcie.yaml    | 49 ++++++++++++++++++-
 1 file changed, 47 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index fb32c43dd12d..d4f837924e7c 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -459,6 +459,33 @@ allOf:
           items:
             - const: pci # PCIe core reset
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,pcie-sc8180x
+    then:
+      properties:
+        clocks:
+          minItems: 8
+          maxItems: 8
+        clock-names:
+          items:
+            - const: pipe # PIPE clock
+            - const: aux # Auxiliary clock
+            - const: cfg # Configuration clock
+            - const: bus_master # Master AXI clock
+            - const: bus_slave # Slave AXI clock
+            - const: slave_q2a # Slave Q2A clock
+            - const: ref # REFERENCE clock
+            - const: tbu # PCIe TBU clock
+        resets:
+          maxItems: 1
+        reset-names:
+          items:
+            - const: pci # PCIe core reset
+
   - if:
       properties:
         compatible:
@@ -507,7 +534,6 @@ allOf:
         compatible:
           contains:
             enum:
-              - qcom,pcie-sc8180x
               - qcom,pcie-sm8150
               - qcom,pcie-sm8250
     then:
@@ -675,6 +701,7 @@ allOf:
           contains:
             enum:
               - qcom,pcie-sa8540p
+              - qcom,pcie-sc8180x
               - qcom,pcie-sc8280xp
     then:
       required:
@@ -717,7 +744,6 @@ allOf:
             enum:
               - qcom,pcie-msm8996
               - qcom,pcie-sc7280
-              - qcom,pcie-sc8180x
               - qcom,pcie-sdm845
               - qcom,pcie-sm8150
               - qcom,pcie-sm8250
@@ -746,6 +772,25 @@ allOf:
                 - const: msi6
                 - const: msi7
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,pcie-sc8180x
+    then:
+      oneOf:
+        - properties:
+            interrupts:
+              maxItems: 1
+            interrupt-names:
+              items:
+                - const: msi
+            iommus:
+              maxItems: 1
+            iommu-map:
+              maxItems: 2
+
   - if:
       properties:
         compatible:
-- 
2.39.2