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 X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B413C35242 for ; Fri, 14 Feb 2020 19:27:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D60CF2187F for ; Fri, 14 Feb 2020 19:27:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Xf2T8kUv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388456AbgBNT1Q (ORCPT ); Fri, 14 Feb 2020 14:27:16 -0500 Received: from mail-qt1-f193.google.com ([209.85.160.193]:33249 "EHLO mail-qt1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387576AbgBNT1Q (ORCPT ); Fri, 14 Feb 2020 14:27:16 -0500 Received: by mail-qt1-f193.google.com with SMTP id d5so7751032qto.0; Fri, 14 Feb 2020 11:27:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=rLdqNzAySRjmMgZB/PpbO12duUi9dVI2RpZBkw4lPuY=; b=Xf2T8kUvWsfjQ/Up+Poojpe8L31XmtsOqhwlO2wut9m/gKzA9/QE50fQF3Tt0oo+aE UBBLRLEMhUe5LsimhidkJi0bRIOfuOXP3cIkcLwMzPFNI3MFPArhJLo0DSLHGwZwiUF7 D7rmFgVzNAzt683d7R9vhs8Cv47yZfUL9qvOT34xE/d6+2I5Kf42td2lX+AlTR6snNkA YV64hqetBncpWkEe2mSimUbdixXtVLcmAuC1T3ydm3Y0fYrSs4FfcdZVxijy74Lii5aR gGJoPsMhpzjn//hXqEqT+4rJxInmDcsU9gYYgnJgaQghj58ZYHeI+EvZqt5GPMILD7HE 1ztg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=rLdqNzAySRjmMgZB/PpbO12duUi9dVI2RpZBkw4lPuY=; b=sqyepniYwlXN3O9IpxPPVDy0S5nIrtoNHlwzOL+nstxHfgHqRDw5J+/D6cLFW26q3F CSQghXKtxxhCsRXG2k4T64b6hWnLtjLgPF+9X5KKgwEJyD9oJ55Mp7JIWbiO+G+aIZtL Gdd59ON0U/0Oc17beEIF0kJXPFQgKEUIdXd5LfZmeFlEiiu7AnCRB5Sn9u2mRoOkHYGD cbTEIJOM50QYWIskRXnPgHjz1K/p2esuU1yyulNFi+h1EECXZ7nSuoUNao74Ui1CQvh3 SwLLydwwJOzZ29SWAso58ND3JICPcv/bwu59obeXODKgR5pk3S0+7IDYe42/eUV5BdVK JXKA== X-Gm-Message-State: APjAAAV6mghPMgJCNy/mwrz4FUEkEG2vRWbD9jbokaxX1X48Pi8ucQq6 y5EdiO2beQUOQaBjMv3RJ7A= X-Google-Smtp-Source: APXvYqynfs5kAav/PDO8R4gLse736bHsst/9DYgxRCWQaKraQ6rdoxAnUwHgh62yxQr95Xrv7YHoQQ== X-Received: by 2002:aed:2284:: with SMTP id p4mr3749213qtc.329.1581708434667; Fri, 14 Feb 2020 11:27:14 -0800 (PST) Received: from L-E5450.nxp.com ([177.221.114.206]) by smtp.gmail.com with ESMTPSA id o55sm4009953qtf.46.2020.02.14.11.27.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Feb 2020 11:27:13 -0800 (PST) From: Alifer Moraes To: robh+dt@kernel.org Cc: mark.rutland@arm.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, peng.fan@nxp.com, leonard.crestez@nxp.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Alifer Moraes Subject: [PATCH 1/2] arm64: dts: imx8mm-evk: add phy-reset-gpios for fec1 Date: Fri, 14 Feb 2020 16:27:49 -0300 Message-Id: <20200214192750.20845-1-alifer.wsdm@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org imx8mm-evk has a GPIO connected to AR8031 Ethernet PHY's reset pin. Describe it in the device tree, following phy's datasheet reset duration of 10ms. Tested booting via NFS. Signed-off-by: Alifer Moraes --- Originally sent by Peng Fan Back then CONFIG_AT803X_PHY was set as "m" in defconfig so the boot process hung at nfs boot, now that CONFIG_AT803X_PHY is set as "y" by default, the patch works correctly. Peng's original patch missed to pass the phy-reset-duration, according to the AR8031 datasheet the reset GPIO needs to stay low for 10ms. Original thread: https://lkml.org/lkml/2019/10/21/347 arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts index 28ab17a277bb..11903ca86f0e 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts @@ -82,6 +82,8 @@ pinctrl-0 = <&pinctrl_fec1>; phy-mode = "rgmii-id"; phy-handle = <ðphy0>; + phy-reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>; + phy-reset-duration = <10>; fsl,magic-packet; status = "okay"; -- 2.17.1