linux-kernel - [PATCH v8 5/7] dt-bindings: PCI: qcom: Document the IPQ5332 PCIe controller

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Message-ID: <20250127072850.3777975-6-quic_varada@quicinc.com>
Date: Mon, 27 Jan 2025 12:58:48 +0530
From: Varadarajan Narayanan <quic_varada@...cinc.com>
To: <lpieralisi@...nel.org>, <kw@...ux.com>,
        <manivannan.sadhasivam@...aro.org>, <robh@...nel.org>,
        <bhelgaas@...gle.com>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <vkoul@...nel.org>, <kishon@...nel.org>, <andersson@...nel.org>,
        <konradybcio@...nel.org>, <p.zabel@...gutronix.de>,
        <quic_varada@...cinc.com>, <dmitry.baryshkov@...aro.org>,
        <quic_nsekar@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-phy@...ts.infradead.org>
Subject: [PATCH v8 5/7] dt-bindings: PCI: qcom: Document the IPQ5332 PCIe controller

Document the PCIe controller on IPQ5332 platform. IPQ5332 will
use IPQ9574 as the fall back compatible.

Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
---
v8: Use ipq9574 as fallback compatible for ipq5332 along with ipq5424

v7: Moved ipq9574 related changes to a separate patch
    Add 'global' interrupt

v6: Commit message update only. Add info regarding the moving of
    ipq9574 from 5 "reg" definition to 5 or 6 reg definition.

v5: Re-arrange 5332 and 9574 compatibles to handle fallback usage in dts

v4: * v3 reused ipq9574 bindings for ipq5332. Instead add one for ipq5332
    * DTS uses ipq9574 compatible as fallback. Hence move ipq9574 to be able
      to use the 'reg' section for both ipq5332 and ipq9574. Else, dtbs_check
      and dt_binding_check flag errors.
---
 Documentation/devicetree/bindings/pci/qcom,pcie.yaml | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index 4b4927178abc..2ffa8480a665 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -33,6 +33,7 @@ properties:
           - qcom,pcie-sdx55
       - items:
           - enum:
+              - qcom,pcie-ipq5332
               - qcom,pcie-ipq5424
           - const: qcom,pcie-ipq9574
       - items:
@@ -49,11 +50,11 @@ properties:
 
   interrupts:
     minItems: 1
-    maxItems: 8
+    maxItems: 9
 
   interrupt-names:
     minItems: 1
-    maxItems: 8
+    maxItems: 9
 
   iommu-map:
     minItems: 1
@@ -209,6 +210,7 @@ allOf:
         compatible:
           contains:
             enum:
+              - qcom,pcie-ipq5332
               - qcom,pcie-ipq9574
               - qcom,pcie-sdx55
     then:
@@ -411,6 +413,7 @@ allOf:
         compatible:
           contains:
             enum:
+              - qcom,pcie-ipq5332
               - qcom,pcie-ipq9574
     then:
       properties:
@@ -443,6 +446,7 @@ allOf:
         interrupts:
           minItems: 8
         interrupt-names:
+          minItems: 8
           items:
             - const: msi0
             - const: msi1
@@ -452,6 +456,7 @@ allOf:
             - const: msi5
             - const: msi6
             - const: msi7
+            - const: global
 
   - if:
       properties:
@@ -559,6 +564,7 @@ allOf:
               enum:
                 - qcom,pcie-apq8064
                 - qcom,pcie-ipq4019
+                - qcom,pcie-ipq5332
                 - qcom,pcie-ipq8064
                 - qcom,pcie-ipq8064v2
                 - qcom,pcie-ipq8074
-- 
2.34.1