Re: [PATCH v2 5/7] dt-bindings: serial: Add binding for rs485 receiver enable GPIO

[Lukas Wunner]

On Thu, Mar 26, 2020 at 12:14:20AM +0100, Heiko Stuebner wrote:
> --- a/Documentation/devicetree/bindings/serial/rs485.yaml
> +++ b/Documentation/devicetree/bindings/serial/rs485.yaml
> @@ -44,6 +44,10 @@ properties:
>     description: enables the receiving of data even while sending data.
>     $ref: /schemas/types.yaml#/definitions/flag
>  
> +  rs485-rx-enable-gpios:
> +   description: GPIO to handle a separate RS485 receive enable signal
> +   $ref: /schemas/types.yaml#/definitions/flag
> +

This isn't a flag, so you need the "maxItems: 1" line instead,
as you correctly did below:

>    rs485-term-gpios:
>      description: GPIO pin to enable RS485 bus termination.
>      maxItems: 1