From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 2C6FA381AF0; Mon, 25 May 2026 12:27:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779712038; cv=none; b=KuZKvI0dqJgHWNfY3KUgSqsXdfNu9WfHe6AWbPrQl5YXBoJLPviTn6Z5C3XoauilpJ/x+aOs/RzZpPo8yjTFnZOXU8nGv1vFNjD1PaecayiirbHsmgm4foY8+UFBJ+rcCShpS5lzwqWUCh/E0hNNLO+GRYk1nQohtlOES3esy98= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779712038; c=relaxed/simple; bh=RUz4CGagH2+Tj4Y10RIScWn8a59PdYkBrcpsFzrFyiw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=OkIw9DSeyi59Bz1HgjqmNkHRDI7AxPDXrIc1O+L9Ghuk3I2+XzbJUW7UYofohZ4/nK4dRRn4u0ywxHi/UcUHpOavsz7gff++QuuHIS2Fboe2Qd4LVLsUxNkABk5PESrJr0y/K8NmJ/jXmg90U2/0dnYVFyMbqC8nrgRvtE8zgYI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=c53Pezhs; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="c53Pezhs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F23881F000E9; Mon, 25 May 2026 12:27:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779712036; bh=z5Uht39vr75GvbXhlhmve8BdPrujLfsmE7MQhBRtb8M=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=c53Pezhshq6PGFgPDAGIkeDKWZHodAXEt/gCyqrUh30GuDrbJzvVjZOLUD0zHsJln Y2Wgkp2UW/AN5koRiMlnZ5KfBlvvIWNaDtmn/6A52/kmMamv1TkbwlRePzIFX++qV8 Wur9BMSyzadpYH/hAms5HfJzLVBZHYFrigxILrq+LkYzzdc4mNDZa45YMdfvJ0dSs5 Rruvwaw49c2jDpAcE4P5H+y4kGaU/LqWPY4TIQthCh1+34TGItRji/KurD6e3lE8+f vnLKi3XkTuNTWEQEA8FiMxeeL2Pux1D/jbkeOpgMsytHcPbOSdY88F73CZcNLZgyyI GxeDZ5vlbJqXw== Message-ID: <71629b97-a971-484c-9388-b3fb35adb982@kernel.org> Date: Mon, 25 May 2026 14:27:11 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 05/10] dt-bindings: arm: fsl: Add solidrun lx2160a twins board To: Josua Mayer Cc: Shawn Guo , Li Yang , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rob Herring , Krzysztof Kozlowski , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Yazan Shhady , Jon Nettleton , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "imx@lists.linux.dev" References: <20260512-lx2160-pci-v6-0-d0ff72d3c983@solid-run.com> <20260512-lx2160-pci-v6-5-d0ff72d3c983@solid-run.com> <20260514-macho-white-tapir-4f8cf2@quoll> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGVBBMBCgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJoF1BKBQkWlnSaAAoJEBuTQ307 QWKbHukP/3t4tRp/bvDnxJfmNdNVn0gv9ep3L39IntPalBFwRKytqeQkzAju0whYWg+R/rwp +r2I1Fzwt7+PTjsnMFlh1AZxGDmP5MFkzVsMnfX1lGiXhYSOMP97XL6R1QSXxaWOpGNCDaUl ajorB0lJDcC0q3xAdwzRConxYVhlgmTrRiD8oLlSCD5baEAt5Zw17UTNDnDGmZQKR0fqLpWy 786Lm5OScb7DjEgcA2PRm17st4UQ1kF0rQHokVaotxRM74PPDB8bCsunlghJl1DRK9s1aSuN hL1Pv9VD8b4dFNvCo7b4hfAANPU67W40AaaGZ3UAfmw+1MYyo4QuAZGKzaP2ukbdCD/DYnqi tJy88XqWtyb4UQWKNoQqGKzlYXdKsldYqrLHGoMvj1UN9XcRtXHST/IaLn72o7j7/h/Ac5EL 8lSUVIG4TYn59NyxxAXa07Wi6zjVL1U11fTnFmE29ALYQEXKBI3KUO1A3p4sQWzU7uRmbuxn naUmm8RbpMcOfa9JjlXCLmQ5IP7Rr5tYZUCkZz08LIfF8UMXwH7OOEX87Y++EkAB+pzKZNNd hwoXulTAgjSy+OiaLtuCys9VdXLZ3Zy314azaCU3BoWgaMV0eAW/+gprWMXQM1lrlzvwlD/k whyy9wGf0AEPpLssLVt9VVxNjo6BIkt6d1pMg6mHsUEVzsFNBFVDXDQBEADNkrQYSREUL4D3 Gws46JEoZ9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLue MNsWLJBvBaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6ei OMheesVS5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wA GldWsRxbf3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA 6z6lBZn0WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9 YegxWKvXXHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt 91pFzBSOIpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gU BLHFTg2hYnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/ JoFzZ4B0p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu 4vXVFBYIGmpyNPYzRm0QPwARAQABwsF8BBgBCgAmAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtB YpsFAmgXUF8FCRaWWyoACgkQG5NDfTtBYptO0w//dlXJs5/42hAXKsk+PDg3wyEFb4NpyA1v qmx7SfAzk9Hf6lWwU1O6AbqNMbh6PjEwadKUk1m04S7EjdQLsj/MBSgoQtCT3MDmWUUtHZd5 RYIPnPq3WVB47GtuO6/u375tsxhtf7vt95QSYJwCB+ZUgo4T+FV4hquZ4AsRkbgavtIzQisg Dgv76tnEv3YHV8Jn9mi/Bu0FURF+5kpdMfgo1sq6RXNQ//TVf8yFgRtTUdXxW/qHjlYURrm2 H4kutobVEIxiyu6m05q3e9eZB/TaMMNVORx+1kM3j7f0rwtEYUFzY1ygQfpcMDPl7pRYoJjB dSsm0ZuzDaCwaxg2t8hqQJBzJCezTOIkjHUsWAK+tEbU4Z4SnNpCyM3fBqsgYdJxjyC/tWVT AQ18NRLtPw7tK1rdcwCl0GFQHwSwk5pDpz1NH40e6lU+NcXSeiqkDDRkHlftKPV/dV+lQXiu jWt87ecuHlpL3uuQ0ZZNWqHgZoQLXoqC2ZV5KrtKWb/jyiFX/sxSrodALf0zf+tfHv0FZWT2 zHjUqd0t4njD/UOsuIMOQn4Ig0SdivYPfZukb5cdasKJukG1NOpbW7yRNivaCnfZz6dTawXw XRIV/KDsHQiyVxKvN73bThKhONkcX2LWuD928tAR6XMM2G5ovxLe09vuOzzfTWQDsm++9UKF a/A= In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 14/05/2026 12:12, Josua Mayer wrote: > Hi Krzysztof, > > Am 14.05.26 um 08:43 schrieb Krzysztof Kozlowski: >> On Tue, May 12, 2026 at 04:39:00PM +0200, Josua Mayer wrote: >>> The SolidRun LX2160A Twins board supports two configurations, one with >>> with a sinle CEX-7 module, and one with two (dual). >>> >>> The dual configuration was not yet tested. >> And how do see dual configuration? New compatible? For the same >> hardware (the same because from SoC point of view it will be exactly >> the same)? > > From SoC point of view the sides are different, and the hardware looks different > when it is assembled for dual configuration. Most notably each cpu in dual > version only sees 12 SFP connectors each, while the single sees 20. > > Further the port numbering might be different between left and right side cpu. > > Finally there are some complications in the current pcb version with resource > distribution (i.e. fans, leds). > >> >> You must post complete binding, otherwise this feels risky and when you >> actually try running dual configuration you will see that existing >> binding makes no sense. > > I thought about this and decided against it. > > The single version is simple to describe, the cpu always sits in the right side socket, > sees 20 SFP connectors and has full control over every peripheral. > > The dual version will require different description even if only one cpu is installed. > > Currently dual is hardware only without any software, and changes may or may not > be made to the PCB to simplify things. Therefore I avoided drafting any bindings. OK, one compatible is also fine, but your earlier explanation this should be part of the commit msg. Best regards, Krzysztof