[PATCH net-next v2 1/2] dt-bindings: net: cdns,macb: Add rx-watermark property

Conor Dooley conor.dooley at microchip.com
Thu May 11 00:25:15 PDT 2023


On Thu, May 11, 2023 at 01:12:13AM -0600, Pranavi Somisetty wrote:
> watermark value is the minimum amount of packet data
> required to activate the forwarding process. The watermark
> implementation and maximum size is dependent on the device
> where Cadence MACB/GEM is used.
> 
> Signed-off-by: Pranavi Somisetty <pranavi.somisetty at amd.com>

Please send dt-binding patches to the dt-binding maintainers and list.
get_maintainer.pl should have told you to do so & without having done
so, the bindings will not get tested :/

Thanks,
Conor.

> ---
>  Documentation/devicetree/bindings/net/cdns,macb.yaml | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/cdns,macb.yaml b/Documentation/devicetree/bindings/net/cdns,macb.yaml
> index bef5e0f895be..779bc25cf005 100644
> --- a/Documentation/devicetree/bindings/net/cdns,macb.yaml
> +++ b/Documentation/devicetree/bindings/net/cdns,macb.yaml
> @@ -109,6 +109,13 @@ properties:
>    power-domains:
>      maxItems: 1
>  
> +  rx-watermark:
> +    maxItems: 1
> +    $ref: /schemas/types.yaml#/definitions/uint16
> +    description:
> +      Set watermark value for pbuf_rxcutthru reg and enable
> +      rx partial store and forward.
> +
>    '#address-cells':
>      const: 1
>  
> @@ -166,6 +173,7 @@ examples:
>              compatible = "cdns,macb";
>              reg = <0xfffc4000 0x4000>;
>              interrupts = <21>;
> +            rx-watermark = /bits/ 16 <0x44>;
>              phy-mode = "rmii";
>              local-mac-address = [3a 0e 03 04 05 06];
>              clock-names = "pclk", "hclk", "tx_clk";
> -- 
> 2.36.1
> 
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