netdev - Re: [PATCH v2 1/2] dt-bindings: net: xilinx

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Message-ID: <CABgGipUd67TSoPz3eeKf2kXzzwy8NWJMkGYtkikdcBKiaJd8Bg@mail.gmail.com>
Date:   Thu, 17 Mar 2022 18:02:35 +0800
From:   Andy Chiu <andy.chiu@...ive.com>
To:     davem@...emloft.net, kuba@...nel.org, michal.simek@...inx.com,
        linux@...linux.org.uk, Robert Hancock <robert.hancock@...ian.com>,
        andrew@...n.ch, netdev@...r.kernel.org, devicetree@...r.kernel.org,
        radhey.shyam.pandey@...inx.com
Cc:     Greentime Hu <greentime.hu@...ive.com>
Subject: Re: [PATCH v2 1/2] dt-bindings: net: xilinx_axienet: add pcs-handle attribute

loop in: radhey.shyam.pandey@...inx.com


On Thu, Mar 17, 2022 at 5:21 PM Andy Chiu <andy.chiu@...ive.com> wrote:
>
> Document the new pcs-handle attribute to support connecting to an
> external PHY in SGMII or 1000Base-X modes through the internal PCS/PMA
> PHY.
>
> Signed-off-by: Andy Chiu <andy.chiu@...ive.com>
> Reviewed-by: Greentime Hu <greentime.hu@...ive.com>
> ---
>  Documentation/devicetree/bindings/net/xilinx_axienet.txt | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/xilinx_axienet.txt b/Documentation/devicetree/bindings/net/xilinx_axienet.txt
> index b8e4894bc634..2a9a3a90eb63 100644
> --- a/Documentation/devicetree/bindings/net/xilinx_axienet.txt
> +++ b/Documentation/devicetree/bindings/net/xilinx_axienet.txt
> @@ -68,6 +68,11 @@ Optional properties:
>                   required through the core's MDIO interface (i.e. always,
>                   unless the PHY is accessed through a different bus).
>
> + - pcs-handle:           Phandle to the internal PCS/PMA PHY, if a fixed external PHY
> +                 is tied to it in SGMII or 1000Base-X modes. This is not
> +                 required for SFP connection. The driver would use phy-handle
> +                 to reference the PCS/PMA PHY in such case.
> +
>  Example:
>         axi_ethernet_eth: ethernet@...00000 {
>                 compatible = "xlnx,axi-ethernet-1.00.a";
> --
> 2.34.1
>