linux-kernel - [PATCH v2 2/8] dt-bindings: PCI: qcom: Add SC8280XP to binding

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Message-Id: <20220714071348.6792-3-johan+linaro@kernel.org>
Date:   Thu, 14 Jul 2022 09:13:42 +0200
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...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>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 2/8] 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).

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
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 8142c891f18b..577d166a7476 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