[PATCH v1 1/9] dt-bindings: PCI: Add PLDA XpressRICH PCIe host common properties

[Krzysztof Kozlowski]

On 19/07/2023 12:20, Minda Chen wrote:
> Add PLDA XpressRICH PCIe host common properties dt-binding doc.
> Microchip PolarFire PCIe host using PLDA IP.
> Extract properties from Microchip PolarFire PCIe host.
> 
> Signed-off-by: Minda Chen <minda.chen at starfivetech.com>
> Reviewed-by: Hal Feng <hal.feng at starfivetech.com>
> ---
>  .../pci/plda,xpressrich-pcie-common.yaml      | 72 +++++++++++++++++++
>  1 file changed, 72 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-common.yaml

How is it related with existing plda,xpressrich3-axi?

> 
> diff --git a/Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-common.yaml b/Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-common.yaml
> new file mode 100644
> index 000000000000..3627a846c5d1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/plda,xpressrich-pcie-common.yaml
> @@ -0,0 +1,72 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pci/plda,xpressrich-pcie-common.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: PLDA XpressRICH PCIe host common properties
> +
> +maintainers:
> +  - Daire McNamara <daire.mcnamara at microchip.com>
> +  - Minda Chen <minda.chen at starfivetech.com>
> +
> +description:
> +  Generic PLDA XpressRICH PCIe host common properties.
> +
> +select: false

This should not be needed.

> +
> +properties:
> +  reg:
> +    description:
> +      At least host IP register set and configuration space are

"At least" does not fit here since you do not allow anything else.

> +      required for normal controller work.
> +    maxItems: 2
> +
> +  reg-names:
> +    oneOf:
> +      - items:
> +          - const: cfg
> +          - const: apb
> +      - items:
> +          - const: host
> +          - const: cfg

Maybe keep similar order, so cfg followed by host?

Best regards,
Krzysztof