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Date:   Tue, 12 Dec 2023 16:44:26 -0600
From:   Rob Herring <robh@kernel.org>
To:     Frank Li <Frank.Li@nxp.com>
Cc:     bhelgaas@google.com, conor+dt@kernel.org,
        devicetree@vger.kernel.org, festevam@gmail.com, helgaas@kernel.org,
        hongxing.zhu@nxp.com, imx@lists.linux.dev, kernel@pengutronix.de,
        krzysztof.kozlowski+dt@linaro.org, kw@linux.com,
        l.stach@pengutronix.de, linux-arm-kernel@lists.infradead.org,
        linux-imx@nxp.com, linux-kernel@vger.kernel.org,
        linux-pci@vger.kernel.org, lpieralisi@kernel.org,
        manivannan.sadhasivam@linaro.org, s.hauer@pengutronix.de,
        shawnguo@kernel.org
Subject: Re: [PATCH v3 08/13] dt-bindings: imx6q-pcie: Add imx95 pcie
 compatible string
Message-ID: <20231212224426.GA2948988-robh@kernel.org>
References: <20231211215842.134823-1-Frank.Li@nxp.com>
 <20231211215842.134823-9-Frank.Li@nxp.com>
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On Mon, Dec 11, 2023 at 04:58:37PM -0500, Frank Li wrote:
> From: Richard Zhu <hongxing.zhu@nxp.com>
> 
> Add i.MX95 PCIe "fsl,imx95-pcie" compatible string.
> Add "atu" and "serdes" to reg-names.
> 
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
> ---
> 
> Notes:
>     Change from v2 to v3
>     - Remove krzy's ACK tag
>     - Add condition check for imx95, which required more reg-names then old
>     platform, so need Krzy review again,
>     
>     Change from v1 to v2
>     - add Krzy's ACK tag
> 
>  .../bindings/pci/fsl,imx6q-pcie.yaml           | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
> index 81bbb8728f0f9..b8fcf8258f031 100644
> --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
> @@ -29,6 +29,7 @@ properties:
>        - fsl,imx8mq-pcie
>        - fsl,imx8mm-pcie
>        - fsl,imx8mp-pcie
> +      - fsl,imx95-pcie
>  
>    reg:
>      items:
> @@ -90,6 +91,22 @@ required:
>  allOf:
>    - $ref: /schemas/pci/snps,dw-pcie.yaml#
>    - $ref: /schemas/pci/fsl,imx6q-pcie-common.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          enum:
> +            - fsl,imx95-pcie
> +    then:
> +      properties:
> +        reg:
> +          minItems: 4
> +        reg-names:
> +          items:
> +            - const: dbi
> +            - const: serdes

Did you test this? It should fail because 'serdes' would need to be 
added to snps,dw-pcie.yaml.

Is this really not a separate phy block? A separate node would be 
ideal. If not, there's already a 'phy' name you can use here. We don't 
want more random names.

Rob