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 <marek.vasut+renesas@mailbox.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260720015505.314957-1-marek.vasut+renesas@mailbox.org
This commit is contained in:
Marek Vasut
2026-07-20 03:54:41 +02:00
committed by Manivannan Sadhasivam
parent 7e38b7b0e0
commit 8ba87bf6ed

View File

@@ -66,6 +66,9 @@ properties:
max-link-speed:
maximum: 4
msi-parent:
maxItems: 1
num-lanes:
maximum: 4