[PATCH v1 1/3] dt-bindings: serial: snps-dw-apb-uart: Add one more reset signal for StarFive JH7110 SoC

[Conor Dooley]

On Fri, May 17, 2024 at 02:17:11PM +0800, Hal Feng wrote:
> The UART of StarFive JH7110 has two reset signals.
> Both of them are necessary for JH7110 to initialize UART.
> 
> Signed-off-by: Hal Feng <hal.feng at starfivetech.com>
> ---
>  .../bindings/serial/snps-dw-apb-uart.yaml          | 14 +++++++++++++-
>  1 file changed, 13 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
> index 1001d2a6ace8..a6396c5cbfb1 100644
> --- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
> +++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
> @@ -13,6 +13,16 @@ allOf:
>    - $ref: serial.yaml#
>    - $ref: rs485.yaml#
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: starfive,jh7110-uart
> +    then:
> +      properties:
> +        resets:
> +          minItems: 2

else:
  properties:
    resets:
      maxItems: 1

Thanks,
Conor.

> +
>  properties:
>    compatible:
>      oneOf:
> @@ -48,6 +58,7 @@ properties:
>            - enum:
>                - starfive,jh7100-hsuart
>                - starfive,jh7100-uart
> +              - starfive,jh7110-uart
>            - const: snps,dw-apb-uart
>        - const: snps,dw-apb-uart
>  
> @@ -82,7 +93,8 @@ properties:
>      type: boolean
>  
>    resets:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 2
>  
>    reg-shift: true
>  
> -- 
> 2.43.2
> 
> 
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