From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 42AEC38C401; Tue, 4 Aug 2026 18:08:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=156.67.10.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785866912; cv=none; b=bXUEx7Bb2ITSgObhOFtr04BxS0TJeIUX4V+kUtu6iHDGHO5cDpmKNyJTixAKVBVr92KetgxbYiEhtLNi5Mx5juJz1SKhM0UH611u0Nr0gUcwS3t8xRxAXyfzd4SGOVnpqJwxIudvWv+agCxvJ6dU3n4Q6x2D3t9jBkUQPRb+6YA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785866912; c=relaxed/simple; bh=AFXKGqywNtt35BVbUbavYl6E98YlXgxG2GHuWS9cNF4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dwyx6t0V/KeMGIQ5/h06ihKnFK/g+Fy7LUS2g+5KraZUIh8sMrpaPXCWkIs/RZyfw+jTQBahe1743hPb7etjGdEHEv5IXeESPQNNQ9AW+PeKinds0c0c4kaCt39lzk39JiQBd0RU6IjxazMCuyVpUS4QnYr2sHUMeDjEjKzYl7U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b=QKFRQvVv; arc=none smtp.client-ip=156.67.10.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="QKFRQvVv" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Transfer-Encoding:Content-Disposition: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:From: Sender:Reply-To:Subject:Date:Message-ID:To:Cc:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Content-Disposition: In-Reply-To:References; bh=8kfQfoeExNgnaWTd3IYmnlXLicSQbdbr3t2fr0Mx4mY=; b=QK FRQvVvF5NL4EtRtchB6oA4eRCmDVREx6FctONxJpn/SYnEo1G0gGDA6e+5/4rowycif7vu30Mi6SZ 3DIX9yzFJ3+ZEaNefyPhp+jliV32T02QzA3PTLfKPtvp4WI33zqY0pjHqDf4A+B8oH+feBnu4v2Wl THy9dv3k2h3+PEc=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1wrJYp-00G2CU-1C; Tue, 04 Aug 2026 20:08:19 +0200 Date: Tue, 4 Aug 2026 20:08:19 +0200 From: Andrew Lunn To: James Hilliard Cc: Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Saravana Kannan , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH net-next v2 0/3] net: mdio: support dynamic OF device changes Message-ID: <2536faa6-0888-47e1-be99-127e098929fa@lunn.ch> References: <20260803-submit-mdio-of-dynamic-v2-v2-0-f8841f3124d7@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Tue, Aug 04, 2026 at 09:10:30AM -0600, James Hilliard wrote: > On Tue, Aug 4, 2026 at 6:54 AM Andrew Lunn wrote: > > > > > > If this was a hat on top of a SBC, with an EEPROM indicating what the > > > > hat was, then maybe DT overlays would make sense. But from what you > > > > have said, this is a fixed PCB design, nothing hot/cold plugable. > > > > > > Some H616/H618 boards have the ethernet port on an expansion board: > > > http://www.orangepi.org/html/hardWare/computerAndMicrocontrollers/details/2W-expansion-board.html > > > > I don't see a list of pins which go across the connector. Does the > > MDIO bus go to the expansion board? Is the PHY on the expansion > > board. It all looks passive to me. > > Pins are listed under "24Pin expansion board interface pin description": > https://orangepi.net/wp-content/uploads/2023/10/OrangePi_Zero2w_H618_User-Manual_v1.1.pdf So just the lines after the PHY, basically the UTP lines without the twist. So please stop wasting my time by making invalid points. Andrew