From 8ba87bf6edbd601d0bf5ee515d0fff77b5585a2e Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Mon, 20 Jul 2026 03:54:41 +0200 Subject: dt-bindings: PCI: rcar-gen4-pci-host: Document optional msi-parent The R-Car Gen4 PCIe controller can optionally use GIC ITS as an MSI controller. This configuration is described in DT by setting msi-parent DT property in the PCIe controller node. Document this configuration. Signed-off-by: Marek Vasut Signed-off-by: Manivannan Sadhasivam Acked-by: Rob Herring (Arm) Link: https://patch.msgid.link/20260720015505.314957-1-marek.vasut+renesas@mailbox.org --- Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml b/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml index bb3f843c59d9..64f456c6a75a 100644 --- a/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml +++ b/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml @@ -66,6 +66,9 @@ properties: max-link-speed: maximum: 4 + msi-parent: + maxItems: 1 + num-lanes: maximum: 4 -- cgit v1.2.3