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 468BA2C0294; Sun, 30 Aug 2026 20:23:56 +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=1788121438; cv=none; b=uZB6P34shOgVv1Yc+2EM3mz09QCpFBac2dayPRehP6+jlDQk8XZy/2SVENn3yYijJWpuPPMu1cishfrXq/i5l3olM0p3HkM1eTdobff/9eRnhhvYwfUfyQYQHimK08It3HKcWJx1ajcBBUBSuiN9aRgNCagy2MTROSjWB031EFs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788121438; c=relaxed/simple; bh=I6Qy7c1SCo3kXYxfli+0PRMCzLl4TBog0mFhMqPaqUs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=cNv1zHu3ICNM533oqomVncfw46XwL2o7uR2zKwYLB3pyaWvcrU7OsZzTVrxc3xLirvJY43fn8kaBKUd+Y/aBbc8cXXuX9oMOWORlmoPRaqeW96qGR6Sgxyfrj42GFhMrxSQksdDsn24Ii6hSyEhAKjBXmiNyQgqyCIl4jIOTa3g= 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=Vjh/aTjJ; 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="Vjh/aTjJ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To: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=fvp1pXNe5TqeRLtSD0qiAJjH/t/R2XXpNq+2z1rCEXU=; b=Vjh/aTjJEGC3nFUNrV6JDgufiv vaTbt6Pkv5qks/+2yHr3qWO9ssIQ9iRuffyV90OaMvgiW0ifnYe2Pg7a4F03VTx/uWY9qVZHKixg0 NV7N/++3Qslszxy654Zlsr/GEnlZhbA2RDY2mHOUyIYOH0Om434kTC0LeTFiMNnsdvrA=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1x0m3l-00254S-3T; Sun, 30 Aug 2026 22:23:21 +0200 Date: Sun, 30 Aug 2026 22:23:21 +0200 From: Andrew Lunn To: Prasanth Kumar Padarthi Cc: Joel Stanley , Andrew Jeffery , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ryan Chen , Billy Tsai , Andrew Lunn , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 0/2] ARM: dts: aspeed: Add ASRock Rack B650D4U BMC Message-ID: References: <20260830182036.284736-1-prasanth.padarthi10@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=us-ascii Content-Disposition: inline In-Reply-To: <20260830182036.284736-1-prasanth.padarthi10@gmail.com> On Sun, Aug 30, 2026 at 11:50:34PM +0530, Prasanth Kumar Padarthi wrote: > Add device tree support for the ASRock Rack B650D4U BMC, which is > based on the ASPEED AST2600 SoC. > > The series adds the board compatible and describes the BMC memory, > SPI NOR flash layout, UART console, and MAC0 connected to an > RTL8211F Ethernet PHY. > > The MAC0 RGMII timing configuration was validated on B650D4U > hardware. With plain "rgmii", the PHY negotiated 1000baseT/Full but > received no valid packets and accumulated RX CRC errors. With > "rgmii-rxid", a 5000-packet test completed with 0% packet loss and > no RX CRC errors. "rgmii-id" was also tested successfully, but the > additional TX delay is not required, so "rgmii-rxid" is retained. Please take a read of: https://elixir.bootlin.com/linux/v6.15/source/Documentation/devicetree/bindings/net/ethernet-controller.yaml#L287 Does the PCB have 2ns of delay for TX, but notR RX? Andrew