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

From: Andrew Lunn
Date: Thu Mar 26 2020 - 21:04:25 EST


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