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

From: Krzysztof Kozlowski
Date: Wed Jul 19 2023 - 06:53:05 EST


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@xxxxxxxxxxxxxxxx>
> Reviewed-by: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx>
> ---
> .../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@xxxxxxxxxxxxx>
> + - Minda Chen <minda.chen@xxxxxxxxxxxxxxxx>
> +
> +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