dt-bindings: PCI: pci-ep: Document 'linux,pci-domain' property

'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.

Devicetrees can specify the domain number based on the actual hardware
instance of the PCI endpoint controllers in the SoC.

Link: https://lore.kernel.org/linux-pci/20240828-pci-qcom-hotplug-v4-4-263a385fbbcb@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
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Manivannan Sadhasivam 2024-08-28 21:16:14 +05:30 • committed by Krzysztof Wilczyński
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