Re: [PATCH v3 08/13] dt-bindings: imx6q-pcie: Add imx95 pcie compatible string

From: Rob Herring
Date: Tue Dec 12 2023 - 17:44:36 EST


On Mon, Dec 11, 2023 at 04:58:37PM -0500, Frank Li wrote:
> From: Richard Zhu <hongxing.zhu@xxxxxxx>
>
> Add i.MX95 PCIe "fsl,imx95-pcie" compatible string.
> Add "atu" and "serdes" to reg-names.
>
> Signed-off-by: Richard Zhu <hongxing.zhu@xxxxxxx>
> ---
>
> 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