linux-kernel - [PATCH 2/3] dt-bindings: PCI: qcom: Document msi-map and msi-map-mask properties

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Message-Id: <20221219191427.480085-3-manivannan.sadhasivam@linaro.org>
Date:   Tue, 20 Dec 2022 00:44:26 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     andersson@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Cc:     bhelgaas@...gle.com, konrad.dybcio@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH 2/3] dt-bindings: PCI: qcom: Document msi-map and msi-map-mask properties

The Qcom PCIe controller is capable of using either internal MSI controller
or the external GIC-ITS for receiving the MSIs from endpoint devices.
Currently, the binding only documents the internal MSI implementation.

Let's document the GIC-ITS imeplementation by making use of msi-map and
msi-map-mask properties.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 .../devicetree/bindings/pci/qcom,pcie.yaml       | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index 02450fb26bb9..24c3e7ef14eb 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -100,18 +100,28 @@ properties:
     description: GPIO controlled connection to WAKE# signal
     maxItems: 1
 
+  msi-map: true
+
+  msi-map-mask: true
+
 required:
   - compatible
   - reg
   - reg-names
-  - interrupts
-  - interrupt-names
-  - "#interrupt-cells"
   - interrupt-map-mask
   - interrupt-map
   - clocks
   - clock-names
 
+oneOf:
+  - required:
+      - interrupts
+      - interrupt-names
+      - "#interrupt-cells"
+  - required:
+      - msi-map
+      - msi-map-mask
+
 allOf:
   - $ref: /schemas/pci/pci-bus.yaml#
   - if:
-- 
2.25.1