Re: [PATCH 1/4] ARM: dts: imx: bx50v3: Configure switch PHY max-speed

From: Andrew Lunn

Date: Tue Feb 17 2026 - 09:53:25 EST


On Tue, Feb 17, 2026 at 02:59:48PM +0200, Ian Ray wrote:
> Configure maximum speed for the switch PHYs according to the electrical
> connections from PHY to RJ45 connector.

Are you saying only 2 of the 4 pairs are connected to the RJ45
connector? And i assume you are using a 1G capable PHY?

> + max-speed = <100>; /* only 100Mbit/s lanes are routed */

lanes generally refer to SERDES interfaces. For twisted pairs we use
pairs.

Andrew