[PATCH v4 6/7] dt-bindings: pci/qcom,pcie: support additional MSI interrupts

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On Qualcomm platforms each group of 32 MSI vectors is routed to the
separate GIC interrupt. Document mapping of additional interrupts.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
 .../devicetree/bindings/pci/qcom,pcie.yaml    | 51 ++++++++++++++++++-
 1 file changed, 50 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index 0b69b12b849e..a8f99bca389e 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -43,11 +43,20 @@ properties:
     maxItems: 5
 
   interrupts:
-    maxItems: 1
+    minItems: 1
+    maxItems: 8
 
   interrupt-names:
+    minItems: 1
     items:
       - const: msi
+      - const: msi2
+      - const: msi3
+      - const: msi4
+      - const: msi5
+      - const: msi6
+      - const: msi7
+      - const: msi8
 
   # Common definitions for clocks, clock-names and reset.
   # Platform constraints are described later.
@@ -623,6 +632,46 @@ allOf:
         - resets
         - reset-names
 
+    # On newer chipsets support either 1 or 8 msi interrupts
+    # On older chipsets it's always 1 msi interrupt
+  - if:
+      properties:
+        compatibles:
+          contains:
+            enum:
+              - qcom,pcie-msm8996
+              - qcom,pcie-sc7280
+              - qcom,pcie-sc8180x
+              - qcom,pcie-sdm845
+              - qcom,pcie-sm8150
+              - qcom,pcie-sm8250
+              - qcom,pcie-sm8450-pcie0
+              - qcom,pcie-sm8450-pcie1
+    then:
+      oneOf:
+        - properties:
+            interrupts:
+              minItems: 1
+              maxItems: 1
+            interrupt-names:
+              minItems: 1
+              maxItems: 1
+        - properties:
+            interrupts:
+              minItems: 8
+              maxItems: 8
+            interrupt-names:
+              minItems: 8
+              maxItems: 8
+    else:
+      properties:
+        interrupts:
+          minItems: 1
+          maxItems: 1
+        interrupt-names:
+          minItems: 1
+          maxItems: 1
+
 unevaluatedProperties: false
 
 examples:
-- 
2.35.1




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