Re: [PATCH v6 1/6] dt-bindings: PCI: renesas,r9a08g045s33-pcie: Add Renesas RZ/G3S
From: Rob Herring (Arm)
Date: Thu Oct 30 2025 - 13:59:55 EST
On Wed, 29 Oct 2025 15:36:48 +0200, Claudiu wrote:
> From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
>
> The PCIe IP available on the Renesas RZ/G3S complies with the PCI Express
> Base Specification 4.0. It is designed for root complex applications and
> features a single-lane (x1) implementation. Add documentation for it.
>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
> ---
>
> Changes in v6:
> - updated the patch title
> - described the functionalites that system controller has for PCIe
> - dropped /schemas/pci/pci-device.yaml# from allOf section
> - dropped max-link-speed from example
> - dropped pcie_port0 label from example
>
> Changes in v5:
> - dropped Tb tag
> - style updates to the dma-ranges and ranges properties from
> examples section
> - re-enabled the node from examples section
>
> Changes in v4:
> - dropped "s33" string from compatible name
> - added port node documentation; due to this dropped Rob's Rb tag
> - reorderded properties
> - dropped spaces b/w "INT" and "A", "B", "C", "D" in comments
>
> Changes in v3:
> - collected tags
> - updated the flags of ranges property from example
>
> Changes in v2:
> - update the interrupt names by dropping "int" and "rc" string; due
> to this the patch description was adjusted
> - added "interrupt-controller" and made it mandatory
> - s/clkl1pm/pm/g
> - dropped the legacy-interrupt-controller node; with this the gic
> interrupt controller node was dropped as well as it is not needed
> anymore
> - updated interrupt-map in example and added interrupt-controller
> - added clock-names as required property as the pm clock is not
> handled though PM domains; this will allow the driver to have
> the option to request the pm clock by its name when implementation
> will be adjusted to used the pm clock
> - adjusted the size of dma-ranges to reflect the usage on
> SMARC module board
> - moved "renesas,sysc" at the end of the node in example to align
> with dts coding style
>
> .../bindings/pci/renesas,r9a08g045-pcie.yaml | 249 ++++++++++++++++++
> 1 file changed, 249 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pci/renesas,r9a08g045-pcie.yaml
>
Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>