[PATCH v12 7/8] dt-bindings: PCI: qcom: Support additional MSI interrupts

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
 .../devicetree/bindings/pci/qcom,pcie.yaml    | 53 +++++++++++++++++--
 1 file changed, 50 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index 0b69b12b849e..fe8f9a62a665 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -43,11 +43,12 @@ properties:
     maxItems: 5
 
   interrupts:
-    maxItems: 1
+    minItems: 1
+    maxItems: 8
 
   interrupt-names:
-    items:
-      - const: msi
+    minItems: 1
+    maxItems: 8
 
   # Common definitions for clocks, clock-names and reset.
   # Platform constraints are described later.
@@ -623,6 +624,52 @@ 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:
+              maxItems: 1
+            interrupt-names:
+              maxItems: 1
+              items:
+                - const: msi
+        - properties:
+            interrupts:
+              minItems: 8
+            interrupt-names:
+              minItems: 8
+              items:
+                - const: msi0
+                - const: msi1
+                - const: msi2
+                - const: msi3
+                - const: msi4
+                - const: msi5
+                - const: msi6
+                - const: msi7
+    else:
+      properties:
+        interrupts:
+          maxItems: 1
+        interrupt-names:
+          items:
+            - const: msi
+
 unevaluatedProperties: false
 
 examples:
-- 
2.35.1




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux