netdev - Re: [PATCH V1 net-next 2/5] dt-bindings: fec: add RGMII delayed clock property

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Message-ID: <20210714231937.GC3723991@robh.at.kernel.org>
Date:   Wed, 14 Jul 2021 17:19:37 -0600
From:   Rob Herring <robh@...nel.org>
To:     Joakim Zhang <qiangqing.zhang@....com>
Cc:     davem@...emloft.net, kuba@...nel.org, andrew@...n.ch,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-imx@....com
Subject: Re: [PATCH V1 net-next 2/5] dt-bindings: fec: add RGMII delayed
 clock property

On Fri, Jul 09, 2021 at 04:18:20PM +0800, Joakim Zhang wrote:
> From: Fugang Duan <fugang.duan@....com>
> 
> Add property for RGMII delayed clock.
> 
> Signed-off-by: Fugang Duan <fugang.duan@....com>
> Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
> ---
>  Documentation/devicetree/bindings/net/fsl-fec.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
> index 6754be1b91c4..f93b9552cfc5 100644
> --- a/Documentation/devicetree/bindings/net/fsl-fec.txt
> +++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
> @@ -50,6 +50,10 @@ Optional properties:
>      SOC internal PLL.
>    - "enet_out"(option), output clock for external device, like supply clock
>      for PHY. The clock is required if PHY clock source from SOC.
> +  - "enet_2x_txclk"(option), for RGMII sampleing clock which fixed at 250Mhz.
> +    The clock is required if SOC RGMII enable clock delay.
> +- fsl,rgmii_txc_dly: add RGMII TXC delayed clock from MAC.
> +- fsl,rgmii_rxc_dly: add RGMII RXC delayed clock from MAC.

Don't we have standard properties for this?

>  
>  Optional subnodes:
>  - mdio : specifies the mdio bus in the FEC, used as a container for phy nodes
> -- 
> 2.17.1
> 
>