From mboxrd@z Thu Jan 1 00:00:00 1970 From: thomas.petazzoni@free-electrons.com (Thomas Petazzoni) Date: Tue, 30 Aug 2016 14:57:08 +0200 Subject: [PATCH 1/3] dt-bindings: designware-pcie: document optional msi-parent property In-Reply-To: <1472561830-20932-1-git-send-email-thomas.petazzoni@free-electrons.com> References: <1472561830-20932-1-git-send-email-thomas.petazzoni@free-electrons.com> Message-ID: <1472561830-20932-2-git-send-email-thomas.petazzoni@free-electrons.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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