Re: [PATCH v3 1/2] dt-bindings: can: fsl,flexcan: add transceiver capabilities

[Conor Dooley]

On Fri, Feb 21, 2025 at 08:40:04AM +0100, Dimitri Fedrau via B4 Relay wrote:
> From: Dimitri Fedrau <dimitri.fedrau@xxxxxxxxxxxx>
> 
> Currently the flexcan driver does only support adding PHYs by using the
> "old" regulator bindings. Add support for CAN transceivers as a PHY.
> 
> Signed-off-by: Dimitri Fedrau <dimitri.fedrau@xxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/net/can/fsl,flexcan.yaml          | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
> index 73252fe56fe6c8e9fd19142208bb655dc86d47cd..81125883cf86b9d19616bde378f74bdb6a32f1b2 100644
> --- a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
> +++ b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
> @@ -77,6 +77,9 @@ properties:
>    xceiver-supply:
>      description: Regulator that powers the CAN transceiver.
>  
> +  phys:
> +    maxItems: 1
> +
>    big-endian:
>      $ref: /schemas/types.yaml#/definitions/flag
>      description: |
> @@ -171,6 +174,18 @@ allOf:
>          interrupts:
>            maxItems: 1
>          interrupt-names: false
> +  - if:
> +      required:
> +        - xceiver-supply
> +    then:
> +      properties:
> +        phys: false
> +  - if:
> +      required:
> +        - phys
> +    then:
> +      properties:
> +        xceiver-supply: false

The duplication here is not needed, they both will cause errors in the
same situation. With one dropped,
Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

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