[PATCH 1/6] dt-bindings: phy: ti,tcan104x-can: Document NXP TJA1051/1048

[Conor Dooley]

On Fri, Aug 22, 2025 at 12:05:28PM +0800, Peng Fan wrote:
> The TJA1051 is a high-speed CAN transceiver which is a pin-compatible
> alternative for TI TCAN1043 with Sleep mode supported, and has a compatible
> programming model, therefore use ti,tcan1043 as fallback compatible.
> 
> The TJA1048 is a dual high-speed CAN transceiver with Sleep mode supported.
> 
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
> ---
>  .../devicetree/bindings/phy/ti,tcan104x-can.yaml   | 29 +++++++++++++++++++---
>  1 file changed, 26 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml b/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
> index 4a8c3829d85d3c4a4963750d03567c1c345beb91..de4ab204ec86f91e84eba8f1a6343ed137e5cd71 100644
> --- a/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
> +++ b/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
> @@ -19,18 +19,21 @@ properties:
>            - enum:
>                - microchip,ata6561
>            - const: ti,tcan1042
> +      - items:
> +          - enum:
> +              - nxp,tja1051
> +          - const: ti,tcan1043
>        - enum:
>            - ti,tcan1042
>            - ti,tcan1043
> +          - nxp,tja1048
>            - nxp,tjr1443
>  
> -  '#phy-cells':
> -    const: 0
> +  '#phy-cells': true
>  
>    standby-gpios:
>      description:
>        gpio node to toggle standby signal on transceiver
> -    maxItems: 1

Please put the outtermost constraints here and narrow it down in the
else.

>  
>    enable-gpios:
>      description:
> @@ -53,6 +56,26 @@ required:
>    - compatible
>    - '#phy-cells'
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: nxp,tja1048
> +
> +    then:
> +      properties:
> +        '#phy-cells':
> +          const: 1
> +        standby-gpios:
> +          maxItems: 2
> +    else:
> +      properties:
> +        '#phy-cells':
> +          const: 0
> +        standby-gpios:
> +          maxItems: 1
> +
>  additionalProperties: false
>  
>  examples:
> 
> -- 
> 2.37.1
> 
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