This commit updates the Designware PCIe Device Tree binding documentation to document the optional msi-parent property. This property allows to point to an external MSI controller, which can optionally be provided. If provided, this external MSI controller is used in preference over the internal MSI controller of the Designware PCIe IP. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx> --- Documentation/devicetree/bindings/pci/designware-pcie.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt index 6c5322c..7a729bb 100644 --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt @@ -28,6 +28,8 @@ Optional properties: - clock-names: Must include the following entries: - "pcie" - "pcie_bus" +- msi-parent: Pointer to an external MSI controller. If not provided, + the built-in MSI controller is used. Example configuration: -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
