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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next 1/3] dt-bindings: net: dsa: lantiq,gswip: reference common PHY properties Message-ID: <20260127150747.lzlfzhusywluuxhs@skbuf> References: <20260127132919.xsvapgqc65f44iah@skbuf> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Tue, Jan 27, 2026 at 02:07:03PM +0000, Daniel Golle wrote: > Yeah, I thought about that, but it would be a lot of work to > let the driver expose and simple-bus as MFD with devices (clk controller, > reset controller, pcs, ...) sitting on register ranges. Imho not worth > the effort in this case, we discussed it. Possibly so; I don't have access from this computer to my previous notes on this topic. > However, even in that case imho it's fine to let it share the OF node > with the ethernet-port. Why not? I don't have a good feeling of how reusable this PCS IP truly is. For example the XPCS gained DT bindings before I needed to customize the lane polarity for its SJA1105 instantiation, so now I have to work with and somehow adapt those. If the PCS has a fixed mapping to that port then I suppose it can use its OF node space without any extra overengineering. There should exist ways to keep compatibility with this scheme even if there will be efforts to have a reusable driver later.