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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 69C96CA0EE6 for ; Wed, 20 Aug 2025 02:39:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=xhgXz+NGz9dE9bo3AgVhV+r8lEFLGIj0GKiYKAiGm04=; b=GReZSHpTfTWtjeZFrkk0ztzH3W 0MeShEWRbx41FRwsQ5+VFBm768bjeIG4XnIKoNFfYdXIJ4XPz8Q/fTtDYx+9FcQtj4gUptC3rgczG l8A28e3kAnw268BY8inAGx85d26lH02gxyaEKVoXkqpXBa1ooNjaFm3H4PMfZR57APEl6t5LqThL+ 2Qdx2inAOdpliws8l8cUV3VcFZyvfk0JXGwDElRGUSuUX7f+R3erUbM3O5vI2pID9BMqU5oKW9ILu MM4oeQjRphN2kBSxSYKcRWEPLgYYu4eq6BcRLJfuiuP70faoHCz0id5mc2a+1EX9kcgk6+OG6F/WR z/vBuBvw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uoYjL-0000000CC3d-2BEp; Wed, 20 Aug 2025 02:39:15 +0000 Received: from mail-m16.yeah.net ([1.95.21.17]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uoYgi-0000000CBrf-3xaV for linux-arm-kernel@lists.infradead.org; Wed, 20 Aug 2025 02:36:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yeah.net; s=s110527; h=Date:From:To:Subject:Message-ID:MIME-Version: Content-Type; bh=xhgXz+NGz9dE9bo3AgVhV+r8lEFLGIj0GKiYKAiGm04=; b=WcOh3ZWSv2Xk56vJhMpz6KCwCHurEduYoLeL7PSDayXg+xQrZ93ge37SGl8rre qbREsrJMJ1iAf4gfl0pxJaV1UcCM62QN2AYFMzqJ7gIp7iWsybmOZFIKrUn6JFfe Z4mUlqrF450rsSaU6hCZ39ffVes2sW4EiuAnLV1kfqA/U= Received: from dragon (unknown []) by gzsmtp3 (Coremail) with SMTP id M88vCgAn5W6VNKVobNX3Ag--.59759S3; Wed, 20 Aug 2025 10:36:07 +0800 (CST) Date: Wed, 20 Aug 2025 10:36:04 +0800 From: Shawn Guo To: Christoph Stoidner Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, upstream@lists.phytec.de Subject: Re: [PATCH v3] arm64: dts: freescale: imx93-phycore-som: Delay the phy reset by a gpio Message-ID: References: <20250524112315.695376-1-c.stoidner@phytec.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250524112315.695376-1-c.stoidner@phytec.de> X-CM-TRANSID: M88vCgAn5W6VNKVobNX3Ag--.59759S3 X-Coremail-Antispam: 1Uf129KBjvdXoW7GF13Gr47JrWDuryDKry3urg_yoWxuwb_ua y8K3ZFkw42yrZYgF4fKF42gr43uaykGFyrXr4rJw4fXryrXa4DWFn5Arn3Zr98X3yS9ry3 WF909a4xursrWjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUb7PEDUUUUU== X-Originating-IP: [117.81.240.235] X-CM-SenderInfo: pvkd40hjxrjqh1hdxhhqhw/1tbiNhe1G2ilNJffuAAA3G X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250819_193633_336172_AD5B8AF3 X-CRM114-Status: GOOD ( 10.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, May 24, 2025 at 01:23:15PM +0200, Christoph Stoidner wrote: > According to the datasheet the phy needs to be held in reset until the > reference clock got stable. Even though no issue was observed, fix this > as the software should always comply with the specification. > > Use gpio4 23, which is connected to the phy reset pin. On the same pin > RX_ER was used before, but this signal is optional and can be dropped. > > Note: This comes into effect with the phyCOREs SOM hardware revision 4. > In revisions before, this gpio is not connected, and the phy reset is > managed with the global hardware reset circuit. > > Signed-off-by: Christoph Stoidner Applied, thanks!