From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 22911EB64D9 for ; Wed, 12 Jul 2023 13:40:26 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 4AC8986A01; Wed, 12 Jul 2023 15:40:24 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1689169224; bh=laanc1OX9+qBGk1Nf4PScX6wtzOVbcp09DicqBb0Pmo=; h=From:To:In-reply-to:Subject:Date:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From; b=CpJ0DXMBmZQHWu2jrbGerTfklsJaaGpSVWqf1SNfaU6NMVPfmeGTIewbIk//H1b2F lwFXC9/0sT2MyxVMVBzvEDVOQOFWnXdiV/o18eENJ8RdEAGJdLujfbGXfI1/O9PpN8 fUQ9K+tBDj6fUCvK1Mah9/ArZ2d7+zm88HidCfnUYF/4FqxjqxUkWj3AlqsNq/H5PY VKrk2G0DMgcad536FUEvUqXRBx+Czd6+zrEjj8SQhpO7GnfNRSbDrML+m6pLraAM+d hflQ8IYvRse7yojtN1JixjYw3EMyzNtKtuxPdn9q7T880mkXVGWMuLyMm9evMT5EF/ VyNmDlS12vufg== Received: by phobos.denx.de (Postfix, from userid 109) id 08AE2869FD; Wed, 12 Jul 2023 15:40:23 +0200 (CEST) Received: from mail-out.m-online.net (mail-out.m-online.net [IPv6:2001:a60:0:28:0:1:25:1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 158CE86A55 for ; Wed, 12 Jul 2023 15:40:21 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=fail (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=fail smtp.mailfrom=sbabic@denx.de Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4R1JlS53rYz1sCmg; Wed, 12 Jul 2023 15:40:20 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.68]) by mail.m-online.net (Postfix) with ESMTP id 4R1JlS2P9dz1qqlW; Wed, 12 Jul 2023 15:40:20 +0200 (CEST) X-Amavis-Alert: BAD HEADER SECTION, Missing required header field: "Date" Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.68]) (amavis, port 10024) with ESMTP id qFOa8Q8vdOos; Wed, 12 Jul 2023 15:40:19 +0200 (CEST) Received: from papero (host-88-217-136-221.customer.m-online.net [88.217.136.221]) by mail.mnet-online.de (Postfix) with ESMTP; Wed, 12 Jul 2023 15:40:19 +0200 (CEST) From: sbabic@denx.de X-Patchwork-Submitter: Hugo Villeneuve X-Patchwork-Id: 1786276 X-Patchwork-Delegate: sbabic@denx.de To: Hugo Villeneuve ,u-boot@lists.denx.de In-reply-to: <20230525210228.4164480-6-hugo@hugovil.com> Subject: [PATCH v2 5/5] imx8mn-var-som: adjust PHY reset gpios according to hardware configuration Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit MIME-Version: 1.0 Message-Id: <20230712134023.08AE2869FD@phobos.denx.de> Date: Wed, 12 Jul 2023 15:40:21 +0200 (CEST) X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean > From: Hugo Villeneuve > For SOM with the EC configuration, the ethernet PHY is located on the > SOM itself, and connected to the CPU ethernet controller. It has a > reset line controlled via GPIO1_IO9. In this configuration, the PHY > located on the carrier board is not connected to anything and is > therefore not used. > For SOM without EC configuration, the ethernet PHY on the carrier > board is connected to the CPU ethernet controller. It has a reset line > controlled via the GPIO expander PCA9534_IO5. > The hardware configuration (EC) is determined at runtime by > reading from the SOM EEPROM. > To support both hardware configurations (EC and non-EC), adjust/fix > the PHY reset gpios according to the hardware configuration > read at runtime from the SOM EEPROM. This adjustement is done in > U-Boot (OF_BOARD_FIXUP) and kernel (OF_BOARD_SETUP) device trees. > Signed-off-by: Hugo Villeneuve Applied to u-boot-imx, master, thanks ! Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Erika Unter HRB 165235 Munich, Office: Kirchenstr.5, 82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic@denx.de =====================================================================