Re: [PATCH v1 5/9] dt-bindings: PLDA: Add PLDA XpressRICH PCIe host controller

[Rob Herring <robh@kernel.org>]

On Wed, Jul 19, 2023 at 06:20:53PM +0800, Minda Chen wrote:
> Add PLDA XpressRICH host controller dt-bindings. Both Microchip
> PolarFire SoC and StarFive JH7110 SoC are using PLDA XpressRICH
> PCIe host controller IP.
> 
> Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
> Reviewed-by: Hal Feng <hal.feng@starfivetech.com>
> ---
>  .../pci/plda,xpressrich-pcie-host.yaml        | 66 +++++++++++++++++++
>  1 file changed, 66 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-host.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-host.yaml b/Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-host.yaml
> new file mode 100644
> index 000000000000..10a10862a078
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-host.yaml
> @@ -0,0 +1,66 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pci/plda,xpressrich-pcie-host.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: PLDA XpressRICH PCIe host controller
> +
> +maintainers:
> +  - Daire McNamara <daire.mcnamara@microchip.com>
> +  - Minda Chen <minda.chen@starfivetech.com>
> +
> +allOf:
> +  - $ref: /schemas/pci/pci-bus.yaml#
> +  - $ref: plda,xpressrich-pcie-common.yaml#
> +  - $ref: /schemas/interrupt-controller/msi-controller.yaml#
> +
> +properties:
> +  compatible:
> +    const: plda,xpressrich-pcie-host

What h/w is this in? I don't see why this is needed. You have the common 
schema for the IP block and then the Microchip and Starfive schemas for 
the 2 implementations.

Rob