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

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Message-ID: <6b452a82-4fc1-bb0e-2475-755d699db1ee@linaro.org>
Date:   Wed, 19 Jul 2023 12:55:22 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Minda Chen <minda.chen@...rfivetech.com>,
        Daire McNamara <daire.mcnamara@...rochip.com>,
        Conor Dooley <conor@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-pci@...r.kernel.org,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mason Huo <mason.huo@...rfivetech.com>,
        Leyfoon Tan <leyfoon.tan@...rfivetech.com>,
        Kevin Xie <kevin.xie@...rfivetech.com>
Subject: Re: [PATCH v1 5/9] dt-bindings: PLDA: Add PLDA XpressRICH PCIe host
 controller

On 19/07/2023 12:20, 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@...rfivetech.com>
> Reviewed-by: Hal Feng <hal.feng@...rfivetech.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@...rochip.com>
> +  - Minda Chen <minda.chen@...rfivetech.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
> +
> +required:
> +  - compatible
> +  - reg
> +  - reg-names
> +  - "#interrupt-cells"
> +  - interrupts
> +  - interrupt-map-mask
> +  - interrupt-map
> +  - msi-controller

Your common schema should require properties which it defines. Here you
should require only difference or new properties.

> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    soc {
> +            #address-cells = <2>;

Use 4 spaces for example indentation.

> +            #size-cells = <2>;
> +            pcie0: pcie@...00000 {


Best regards,
Krzysztof