Re: [PATCH 4/6] dt-bindings: soc: ti: ti,j721e-system-controller: Relax the bindings

[Krzysztof Kozlowski <krzk@kernel.org>]

On Thu, May 28, 2026 at 03:53:45PM +0300, Tomi Valkeinen wrote:
> The ti,j721e-system-controller binding specifies a specific schema for
> each child node. For example, any clock node under the system controller
> node must be a ti,am654-serdes-ctrl.
> 
> To be able to use the same system-controller binding for more SoCs,
> relax the bindings by making both clock-controller and clock accept any

NAK, you cannot relax bindings.

> kind of child node.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
> ---
>  .../devicetree/bindings/soc/ti/ti,j721e-system-controller.yaml      | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/soc/ti/ti,j721e-system-controller.yaml b/Documentation/devicetree/bindings/soc/ti/ti,j721e-system-controller.yaml
> index f3bd0be3b279..56712ebdd01b 100644
> --- a/Documentation/devicetree/bindings/soc/ti/ti,j721e-system-controller.yaml
> +++ b/Documentation/devicetree/bindings/soc/ti/ti,j721e-system-controller.yaml
> @@ -53,9 +53,8 @@ patternProperties:
>  
>    "^clock-controller@[0-9a-f]+$":
>      type: object
> -    $ref: /schemas/clock/ti,am654-ehrpwm-tbclk.yaml#

No, child nodes cannot be generic (see also writing bindings). You must
have $ref or use the compatible style.

Best regards,
Krzysztof