Re: [PATCH V4 1/3] dt-bindings: Add optional gpio property to uartps node to support rs485

From: Krzysztof Kozlowski
Date: Mon Dec 11 2023 - 05:03:17 EST


On 11/12/2023 10:11, Manikanta Guntupalli wrote:
> Add optional gpio property to uartps node and reference to rs485.yaml

...

diff --git a/Documentation/devicetree/bindings/serial/cdns,uart.yaml
b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
> index e35ad1109efc..d5dd4e92d1fb 100644
> --- a/Documentation/devicetree/bindings/serial/cdns,uart.yaml
> +++ b/Documentation/devicetree/bindings/serial/cdns,uart.yaml
> @@ -46,6 +46,10 @@ properties:
> power-domains:
> maxItems: 1
>
> + rts-gpios:
> + description: Optional GPIO to control transmit/receive.
> + maxItems: 1

Why do you exactly need it here? It's already allowed, isn't it?


Best regards,
Krzysztof