Re: [PATCH 05/13] dt-bindings: serial: cdsn,uart: add power-domains

[Michal Simek <michal.simek@amd.com>]

On 1/23/23 16:12, Krzysztof Kozlowski wrote:
> 
> Few Xilinx DTS have power domains in serial node:
> 
>    zynqmp-zc1232-revA.dtb: serial@ff000000: Unevaluated properties are not allowed ('power-domains' was unexpected)
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>   .../devicetree/bindings/serial/cdns,uart.yaml   | 17 ++++++++++++++---
>   1 file changed, 14 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.yaml b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
> index 0c118d5336cc..38925b79cb38 100644
> --- a/Documentation/devicetree/bindings/serial/cdns,uart.yaml
> +++ b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
> @@ -9,9 +9,6 @@ title: Cadence UART Controller
>   maintainers:
>     - Michal Simek <michal.simek@xilinx.com>
> 
> -allOf:
> -  - $ref: serial.yaml#
> -
>   properties:
>     compatible:
>       oneOf:
> @@ -46,6 +43,9 @@ properties:
>         port does not use this pin.
>       type: boolean
> 
> +  power-domains:
> +    maxItems: 1
> +
>   required:
>     - compatible
>     - reg
> @@ -53,6 +53,17 @@ required:
>     - clocks
>     - clock-names
> 
> +allOf:
> +  - $ref: serial.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: cdns,uart-r1p8
> +    then:
> +      properties:
> +        power-domains: false
> +
>   unevaluatedProperties: false
> 
>   examples:
> --
> 2.34.1
> 

Reviewed-by: Michal Simek <michal.simek@amd.com>

btw: I was running it and I have seen that properties are checked only on nodes 
which have status property okay. On disabled nodes properties are not checked. 
Is this standard behavior/setting?

Thanks,
Michal

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