[PATCH v2 3/4] dt-bindings: PCI: mediatek-gen3: Split Airoha schema and document 2-lanes

[Rob Herring (Arm)]

On Fri, 26 Jun 2026 11:20:27 +0200, Christian Marangi wrote:
> To permit proper documentation of required property to support PCIe
> configured for 2-lanes mode, split the Airoha schema part from the
> mediatek-gen3 schema to a dedicated schema.
> 
> A PCIe configured for 2-lanes mode require an additional reg for the
> secondary PCIe to be configured and the airoha,scu phandle to correctly
> configure the PCIe MUX.
> 
> Rework the mediatek-gen3 schema to drop any redundant constraint previsouly
> introduced for Airoha PCIe properties.
> 
> Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
> ---
>  .../bindings/pci/airoha,en7581-pcie.yaml      | 251 ++++++++++++++++++
>  .../bindings/pci/mediatek-pcie-gen3.yaml      |  77 +-----
>  2 files changed, 256 insertions(+), 72 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/pci/airoha,en7581-pcie.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>