linux-kernel - [PATCH 04/10] dt-bindings: PCI: qcom: Add SC8280XP to binding

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Date:   Wed, 29 Jun 2022 16:09:54 +0200
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH 04/10] dt-bindings: PCI: qcom: Add SC8280XP to binding

Add the SC8280XP platform to the binding.

SC8280XP use four host interrupts for MSI routing so remove the obsolete
comment referring to newer chipsets supporting one or eight interrupts
(e.g. for backwards compatibility).

Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 .../devicetree/bindings/pci/qcom,pcie.yaml    | 50 ++++++++++++++++++-
 1 file changed, 49 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index 8560c65e6f0b..a039f6110322 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -27,6 +27,7 @@ properties:
       - qcom,pcie-qcs404
       - qcom,pcie-sc7280
       - qcom,pcie-sc8180x
+      - qcom,pcie-sc8280xp
       - qcom,pcie-sdm845
       - qcom,pcie-sm8150
       - qcom,pcie-sm8250
@@ -181,6 +182,7 @@ allOf:
             enum:
               - qcom,pcie-sc7280
               - qcom,pcie-sc8180x
+              - qcom,pcie-sc8280xp
               - qcom,pcie-sm8250
               - qcom,pcie-sm8450-pcie0
               - qcom,pcie-sm8450-pcie1
@@ -596,6 +598,35 @@ allOf:
           items:
             - const: pci # PCIe core reset
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,pcie-sc8280xp
+    then:
+      properties:
+        clocks:
+          minItems: 8
+          maxItems: 9
+        clock-names:
+          minItems: 8
+          items:
+            - 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: ddrss_sf_tbu # PCIe SF TBU clock
+            - const: noc_aggr_4 # NoC aggregate 4 clock
+            - const: noc_aggr_south_sf # NoC aggregate South SF clock
+            - const: cnoc_qx # Configuration NoC QX clock
+        resets:
+          maxItems: 1
+        reset-names:
+          items:
+            - const: pci # PCIe core reset
+
   - if:
       not:
         properties:
@@ -624,7 +655,6 @@ allOf:
         - resets
         - reset-names
 
-    # On newer chipsets support either 1 or 8 msi interrupts
   - if:
       properties:
         compatible:
@@ -660,6 +690,24 @@ allOf:
                 - const: msi6
                 - const: msi7
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,pcie-sc8280xp
+    then:
+      properties:
+        interrupts:
+          minItems: 4
+          maxItems: 4
+        interrupt-names:
+          items:
+            - const: msi0
+            - const: msi1
+            - const: msi2
+            - const: msi3
+
   - if:
       properties:
         compatible:
-- 
2.35.1