Sorry Alvaro I missed you sent a v5 already. See my comments in v3.

Regards,
Nicolas

On Thu, 2021-03-04 at 08:33 +0100, Álvaro Fernández Rojas wrote:
> Some devices may need to perform a reset before using the RNG, such as the
> BCM6368.
> 
> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
> ---
>  v5: no changes.
>  v4: pass dt_binding_check.
>  v3: make resets required if brcm,bcm6368-rng.
>  v2: document reset support.
> 
>  .../devicetree/bindings/rng/brcm,bcm2835.yaml   | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
> index c147900f9041..11c23e1f6988 100644
> --- a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
> +++ b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
> @@ -37,6 +37,21 @@ required:
>  
> 
>  additionalProperties: false
>  
> 
> +if:
> +  properties:
> +    compatible:
> +      enum:
> +        - brcm,bcm6368-rng
> +then:
> +  properties:
> +    resets:
> +      maxItems: 1
> +  required:
> +    - resets
> +else:
> +  properties:
> +    resets: false
> +
>  examples:
>    - |
>      rng@7e104000 {
> @@ -58,4 +73,6 @@ examples:
>  
> 
>          clocks = <&periph_clk 18>;
>          clock-names = "ipsec";
> +
> +        resets = <&periph_rst 4>;
>      };