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Date:   Fri, 27 Mar 2020 02:04:11 +0100
From:   Andrew Lunn <andrew@lunn.ch>
To:     Florinel Iordache <florinel.iordache@nxp.com>
Cc:     davem@davemloft.net, netdev@vger.kernel.org, f.fainelli@gmail.com,
        hkallweit1@gmail.com, linux@armlinux.org.uk,
        devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
        robh+dt@kernel.org, mark.rutland@arm.com, kuba@kernel.org,
        corbet@lwn.net, shawnguo@kernel.org, leoyang.li@nxp.com,
        madalin.bucur@oss.nxp.com, ioana.ciornei@nxp.com,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 2/9] dt-bindings: net: add backplane dt bindings
Message-ID: <20200327010411.GM3819@lunn.ch>
References: <1585230682-24417-1-git-send-email-florinel.iordache@nxp.com>
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On Thu, Mar 26, 2020 at 03:51:15PM +0200, Florinel Iordache wrote:
> Add ethernet backplane device tree bindings

> +  - |
> +    /* Backplane configurations for specific setup */
> +    &mdio9 {
> +        bpphy6: ethernet-phy@0 {
> +            compatible = "ethernet-phy-ieee802.3-c45";
> +            reg = <0x0>;
> +            lane-handle = <&lane_d>; /* use lane D */
> +            eq-algorithm = "bee";
> +            /* 10G Short cables setup: up to 30 cm cable */
> +            eq-init = <0x2 0x5 0x29>;
> +            eq-params = <0>;
> +        };
> +    };

So you are modelling this as just another PHY? Does the driver get
loaded based on the PHY ID in registers 2 and 3? Does the standard
define these IDs or are they vendor specific?

Thanks
	Andrew