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

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Message-ID: <YO90dbgVtqR2rRAK@lunn.ch>
Date:   Thu, 15 Jul 2021 01:34:13 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Rob Herring <robh@...nel.org>
Cc:     Joakim Zhang <qiangqing.zhang@....com>, davem@...emloft.net,
        kuba@...nel.org, 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 Wed, Jul 14, 2021 at 05:19:37PM -0600, Rob Herring wrote:
> 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?

Yes, rx-internal-delay-ps and tx-internal-delay-ps defined in
ethernet-controller.yaml

     Andrew