netdev - Re: [PATCH 2/2] dt-bindings: net: dsa: qca8k: Add PORT0_PAD

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Message-ID: <20200716150925.0f3e01b8@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Thu, 16 Jul 2020 15:09:25 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Matthew Hagan <mnhagan88@...il.com>, Andrew Lunn <andrew@...n.ch>
Cc:     Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>, linux@...linux.org.uk,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        John Crispin <john@...ozen.org>,
        Jonathan McDowell <noodles@...th.li>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: net: dsa: qca8k: Add PORT0_PAD_CTRL
 properties

On Mon, 13 Jul 2020 21:50:26 +0100 Matthew Hagan wrote:
> Add names and decriptions of additional PORT0_PAD_CTRL properties.
> 
> Signed-off-by: Matthew Hagan <mnhagan88@...il.com>
> ---
>  Documentation/devicetree/bindings/net/dsa/qca8k.txt | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/dsa/qca8k.txt b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
> index ccbc6d89325d..3d34c4f2e891 100644
> --- a/Documentation/devicetree/bindings/net/dsa/qca8k.txt
> +++ b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
> @@ -13,6 +13,14 @@ Optional properties:
>  
>  - reset-gpios: GPIO to be used to reset the whole device
>  
> +Optional MAC configuration properties:
> +
> +- qca,exchange-mac0-mac6:	If present, internally swaps MAC0 and MAC6.

Perhaps we can say a little more here?

> +- qca,sgmii-rxclk-falling-edge:	If present, sets receive clock phase to
> +				falling edge.
> +- qca,sgmii-txclk-falling-edge:	If present, sets transmit clock phase to
> +				falling edge.

These are not something that other vendors may implement and therefore
something we may want to make generic? Andrew?

>  Subnodes:
>  
>  The integrated switch subnode should be specified according to the binding