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 0396DC433EF for ; Wed, 8 Dec 2021 17:38:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:Cc:To:From :Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=SSedlJm5fherrY6DxMxPQVfzKKLnodI68DukAEnWUY0=; b=Ha6FKjMtbbtbmd1I6Dh8vbJSUv laJ73fbvc8DD4ZDm0//ClhV5yO8zDkIX7YpGeOrYWT/Zyq11HSrpqShPbQ/HqKVhl7kLMHV0tWaho dmCayEj8QEHOFIhrW8WzitmeQ6Uab+eQw83VfYCQ62xlhhjpe34pUk5t7wLZ/mRV8gEhIeM6lAvLE x8CU+vEInXLhZ3a6/XFf6JQxQwXP99r7j3yQBMdvb/Ipqnpu5kwUsDJm0yL3qxIHH0oPHY461WfpG xPwTHdCAk1Xb7roAd29Hx/M3gUoD4SKxYPp57PmeBI+ys6MZ9bVopB5DKx0Yys9gutY+QFaMmW0dc KiNEx6Cw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mv0sA-00DktZ-Pn; Wed, 08 Dec 2021 17:36:54 +0000 Received: from phobos.denx.de ([2a01:238:438b:c500:173d:9f52:ddab:ee01]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mv0s6-00Dks1-KQ for linux-arm-kernel@lists.infradead.org; Wed, 08 Dec 2021 17:36:52 +0000 Received: from mail.denx.de (unknown [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: festevam@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id E2F9A80FCC; Wed, 8 Dec 2021 18:36:46 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1638985007; bh=tTWKthfPp16ne2IXkwi2JqaezsqJBRt/EdMaAn3iq9M=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=nYgUoZ3rgMF3CZi9ywzh1fKk2I4z0NJ7dU+xrdji0LhOSS/lheLeIQYisH3NoLvu/ JQ9gwDwByuMiCyZprhA6mgqZxm7fndLKU0vT615ToPaHk7f0yMpYuVWEA0TUVSsdJb tnHfIwpcwbXn2yPcLUA1zKnawaPrBCjyG+nwy+rVLU5Wo/wrGwdY+fglWSgQ8nTvmF ZTiwraVcK5xbV6bmC1BRdwWEqKurhq9izzrks2qO5p6QlYldnAoJgsxPwvva5mLEKH i0FswdW3A3sBwRKLw4r1XOb4Tph/bilWTpHMC/wq1/l8wLnb/Umb70KN0CNxU6Rp63 kLEs8P7I2dNkw== MIME-Version: 1.0 Date: Wed, 08 Dec 2021 14:36:46 -0300 From: Fabio Estevam To: Christoph Niedermaier Cc: linux-arm-kernel@lists.infradead.org, Shawn Guo , Marek Vasut , NXP Linux Team , kernel@dh-electronics.com Subject: Re: [PATCH] ARM: dts: imx6qdl-dhcom: Align PHY reset timing with other DHCOM SoMs In-Reply-To: <20211208150543.10643-1-cniedermaier@dh-electronics.com> References: <20211208150543.10643-1-cniedermaier@dh-electronics.com> Message-ID: <5c7be7d3f05f5ddcd34ccb3dbb605595@denx.de> X-Sender: festevam@denx.de User-Agent: Roundcube Webmail/1.3.6 X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211208_093650_918200_912A2643 X-CRM114-Status: GOOD ( 12.80 ) 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Christoph, On 08/12/2021 12:05, Christoph Niedermaier wrote: > According to datasheet Microchip LAN8710A/LAN8710Ai DS00002164B [1] > the reset should stay asserted for at least 100uS and software > should wait at least 200nS. On other DHCOM SoMs with the SMSC > LAN8710Ai PHY both reset delays are 500us. This should be plenty > and for consistency, the i.MX6 SoM should also use these delays. > > [1] https://ww1.microchip.com/downloads/en/DeviceDoc/00002164B.pdf > > Signed-off-by: Christoph Niedermaier > Cc: Shawn Guo > Cc: Fabio Estevam > Cc: Marek Vasut > Cc: NXP Linux Team > Cc: kernel@dh-electronics.com > To: linux-arm-kernel@lists.infradead.org Reviewed-by: Fabio Estevam -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-60 Fax: (+49)-8142-66989-80 Email: festevam@denx.de _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel