linux-kernel - [PATCH 05/14] dt-bindings: PCI: qcom-ep: Document "linux,pci-domain" property

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Message-Id: <20240715-pci-qcom-hotplug-v1-5-5f3765cc873a@linaro.org>
Date: Mon, 15 Jul 2024 23:03:47 +0530
From: Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.linaro.org@...nel.org>
To: Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kw@...ux.com>, 
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: linux-pci@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH 05/14] dt-bindings: PCI: qcom-ep: Document
 "linux,pci-domain" property

From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

'linux,pci-domain' property provides the PCI domain number for the PCI
endpoint controllers in a SoC. If this property is not present, then an
unstable (across boots) unique number will be assigned.

Use this property to specify the domain number based on the actual hardware
instance of the PCI endpoint controllers in a SoC.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
index 46802f7d9482..1226ee5d08d1 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
@@ -280,4 +280,5 @@ examples:
         phy-names = "pciephy";
         max-link-speed = <3>;
         num-lanes = <2>;
+        linux,pci-domain = <0>;
     };

-- 
2.25.1