Re: [PATCH v2 1/2] dt-bindings: serial: update bindings of ultrarisc dp1000 uart

[Krzysztof Kozlowski]

On Mon, Mar 16, 2026 at 02:33:22PM +0800, Jia Wang wrote:
> Add DP1000 UART compatible information

We see this from the diff. Why this is not compatible with
snps,dw-apb-uart? What are the differences. You have entire commit msg
to explain the hardware.

> 
> Signed-off-by: Jia Wang <wangjia@xxxxxxxxxxxxx>
> Reviewed-by: Yao Zi <me@xxxxxxxx>
> ---
>  Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
> index 6efe43089a74..0040ed28e35b 100644
> --- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
> +++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml
> @@ -78,6 +78,8 @@ properties:
>                - starfive,jh7100-uart
>                - starfive,jh7110-uart
>            - const: snps,dw-apb-uart
> +      - items:

Drop, not needed.

> +          - const: ultrarisc,dp1000-uart
>        - const: snps,dw-apb-uart

So just enum with the snps one.

Best regards,
Krzysztof