Subject: Re: [PATCH net-next 2/9] dt-bindings: net: add backplane dt bindings

From: Andrew Lunn <[email-masked]>
Date: Fri, 27 Mar 2020 02:04:11 +0100

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