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 5FB30EB64DA for ; Wed, 19 Jul 2023 06:54:12 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=0nP5AH3AFXemqUeqZ7Drm9p2qO0AuFqi77WvBo9mVsk=; b=diOtW81ZnrQMZN Xb6hhKYfo6znzMNMneS7Kduph9PdwpGMgQ5TZJr6GcLW4QJTTElK5SCoVC1GzYMrfj0DZvR1Mnc8T Ye8C3kfw1HJTN2Z36VnOExK81k7TXoXzb2Rp7YxlKvkOhUtfFpzPRw9SceyCJWwOmMrxd6WwgCBlR SV7YtrxjH7dAMAKsmM/7uaE5qwayEPSJM8yjIpVsXV46TOLYc5Lx3UmC5kiKpcZdR1FJmrFBM3nvz CLElaScLXcWCSmw2Vr27xGfjqSD8VcLmBNMydTtV67/C+A/DYTpEivg9G9/Q/qVfhZUl64ksDSgEk UrbEM/Ukv034gQepZzMw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qM14M-005xFw-1J; Wed, 19 Jul 2023 06:53:54 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qM14H-005xCr-2p for linux-arm-kernel@bombadil.infradead.org; Wed, 19 Jul 2023 06:53:49 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=1JQKVkM9xgt1OMAbyvxpzpBt9DVsPWUxG3iFfOr0c5M=; b=gVsUlYVF++AVofHguDaxPbegq2 Fa8/7RyBVm+11ygmUrQRm5at/bgYGZnRXLATlh6lYsNm8s/rzcHDzABCn8Hkdav/mOZ6lUz8G/xHu TUWQz86rZdS+HVqo+hWNokutp4tAkhLBielNKXFnNvXyx3TppE03xqBDVywIcFNGMAcOe28PMwIV4 vgRBpNd38XLIS0mGT2ONB1rzlpxAZeeq4T9IRiELbWw277PQe6tamxusTG0vrMneoTBRIvV1Iu4sA E6FaLpHGaK5vrDgl68YB1ps3s41sm4LVuOGTIHRaZjANRjSmELiK/n4G0GFPdcEpKvZPSXaD5AKvO qIEWQMEg==; Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qLe0e-00BDCM-15 for linux-arm-kernel@lists.infradead.org; Tue, 18 Jul 2023 06:16:34 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9EC1461472; Tue, 18 Jul 2023 06:15:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4FA4C433C7; Tue, 18 Jul 2023 06:15:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689660954; bh=m6TNtiSSdr7NEHVUmCfp2rBAYfJpD9ldZcI2OBMUi7M=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LME1uDz5zz0EASXHY6yhdacg6B7fduJ2359XAmmYVudDrF8o86va+aukdcS+LZqMG ve0J0Z3ToB6YSNk+19J0umYoTqgzyJwLXTXzSvU8ZriIQltFa/fsAFdzplekMltTJ2 HJCcyw7sz7SitoLoVyaFrTVtiCTC+y19R1POXm3Q5INOvB08yKlKvYIg07L9O+7lAp 9WNfv4EobVXCQG7KoqebT9yCDlv+c+UtfS8Gg3bhNkhemz9h5Ag3/LQt0r3Ni9uIcQ atFneK6P+c/68cfsHEHhF4a5ErX72wvpkMFu/u2SU8kyB7DXmHUGQOAPO8ZMWkAqGR Lh2O+FVcQ7NEw== Date: Tue, 18 Jul 2023 14:15:41 +0800 From: Shawn Guo To: Hugo Villeneuve Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Hugo Villeneuve , Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64: dts: imx8mn-var-som: add missing pull-up for onboard PHY reset pinmux Message-ID: <20230718061541.GJ9559@dragon> References: <20230704134800.204542-1-hugo@hugovil.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230704134800.204542-1-hugo@hugovil.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230718_071632_916248_F5261924 X-CRM114-Status: GOOD ( 15.33 ) 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Jul 04, 2023 at 09:48:00AM -0400, Hugo Villeneuve wrote: > From: Hugo Villeneuve > > For SOMs with an onboard PHY, the RESET_N pull-up resistor is > currently deactivated in the pinmux configuration. When the pinmux > code selects the GPIO function for this pin, with a default direction > of input, this prevents the RESET_N pin from being taken to the proper > 3.3V level (deasserted), and this results in the PHY being not > detected since it is held in reset. > > Taken from RESET_N pin description in ADIN13000 datasheet: > This pin requires a 1K pull-up resistor to AVDD_3P3. > > Activate the pull-up resistor to fix the issue. > > Fixes: ade0176dd8a0 ("arm64: dts: imx8mn-var-som: Add Variscite VAR-SOM-MX8MN System on Module") > Signed-off-by: Hugo Villeneuve Applied, thanks! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel