From patchwork Tue Dec 1 13:21:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 11942939 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=-18.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 DE01EC64E7A for ; Tue, 1 Dec 2020 13:23:28 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 64AB3206B6 for ; Tue, 1 Dec 2020 13:23:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lE94DgGS"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=agner.ch header.i=@agner.ch header.b="n/mHaQRe" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 64AB3206B6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=agner.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=kY8TSXYuVZH6p7oAM4Bg02qOfb10K+4d0RIsX97iUKM=; b=lE94DgGSGSXYuVEwLpASi1UZk VvfqkDTMy9tPI/WVYb9ToLmeJQDCkOigKvqN3K9dk5Qoin+3IWzxiSQXYxZzvWoQNl7o/dfg99ie3 LbLGu0XjeWk+JPsxRoxs6cZki0wWPfQJme21ko3rArmtM8BZxfXKeZJ1rZYeK+r7KmzwTQLDDZm6d E1mpMJm1j9+fzU6AWznBqhNylMeACBnEFivGRB6uioUJPp4fkuidKsS8U+UWurHoAGIQNx2XM5WBL isDktABnRNJjkTvKXchMRajlR8GRY24ZA29he2asWvYpuYa3xFxfCNEohgGnRfZVBfieF0hN3jnOO y8zjVEpBQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kk5be-0002wJ-KT; Tue, 01 Dec 2020 13:22:10 +0000 Received: from mail.kmu-office.ch ([2a02:418:6a02::a2]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kk5bM-0002oE-Dz; Tue, 01 Dec 2020 13:21:55 +0000 Received: from allenwind.lan (unknown [IPv6:2a02:169:3df5::979]) by mail.kmu-office.ch (Postfix) with ESMTPSA id A89C25C2AB5; Tue, 1 Dec 2020 14:21:49 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=agner.ch; s=dkim; t=1606828909; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4jPXXFT61h0+NZ5HlKP22zr51bhXqri0cz8N+6UjZ7I=; b=n/mHaQRe2O2Kt8bvt6Leuv5FobSungYHVVZ8ibNIy0vUc0UeWCXya2xMWDw6oWzvIC7WIN et7j5LcmeIySUUUrob4ox7KjkRuKQ0dqufQ7pEBBLPYyURDPufVsmKj0o+3zP3ENyxE6Le Md59+aH4CIy+QmdJ89ji7SOz293Cmqs= From: Stefan Agner To: khilman@baylibre.com Subject: [PATCH v2 3/5] ARM: dts: meson: fix PHY deassert timing requirements Date: Tue, 1 Dec 2020 14:21:39 +0100 Message-Id: <6bfe17d86ead62c20d236e2ebbc7b7fe3354829d.1606828668.git.stefan@agner.ch> X-Mailer: git-send-email 2.29.2 In-Reply-To: <14754fd95378b78eb9a0a3f8b6bab13f7263c7f1.1606828668.git.stefan@agner.ch> References: <14754fd95378b78eb9a0a3f8b6bab13f7263c7f1.1606828668.git.stefan@agner.ch> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201201_082152_828571_03879272 X-CRM114-Status: GOOD ( 15.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, narmstrong@baylibre.com, martin.blumenstingl@googlemail.com, christianshewitt@gmail.com, linux-kernel@vger.kernel.org, robh+dt@kernel.org, jian.hu@amlogic.com, Stefan Agner , linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, jbrunet@baylibre.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org According to the datasheet (Rev. 1.9) the RTL8211F requires at least 72ms "for internal circuits settling time" before accessing the PHY egisters. On similar boards with the same PHY this fixes an issue where Ethernet link would not come up when using ip link set down/up. Fixes: a2c6e82e5341 ("ARM: dts: meson: switch to the generic Ethernet PHY reset bindings") Signed-off-by: Stefan Agner Reviewed-by: Martin Blumenstingl Tested-by: Martin Blumenstingl # --- arch/arm/boot/dts/meson8b-odroidc1.dts | 2 +- arch/arm/boot/dts/meson8m2-mxiii-plus.dts | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts index 0c26467de4d0..5963566dbcc9 100644 --- a/arch/arm/boot/dts/meson8b-odroidc1.dts +++ b/arch/arm/boot/dts/meson8b-odroidc1.dts @@ -224,7 +224,7 @@ eth_phy: ethernet-phy@0 { reg = <0>; reset-assert-us = <10000>; - reset-deassert-us = <30000>; + reset-deassert-us = <80000>; reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>; interrupt-parent = <&gpio_intc>; diff --git a/arch/arm/boot/dts/meson8m2-mxiii-plus.dts b/arch/arm/boot/dts/meson8m2-mxiii-plus.dts index cc498191ddd1..8f4eb1ed4581 100644 --- a/arch/arm/boot/dts/meson8m2-mxiii-plus.dts +++ b/arch/arm/boot/dts/meson8m2-mxiii-plus.dts @@ -81,7 +81,7 @@ eth_phy0: ethernet-phy@0 { reg = <0>; reset-assert-us = <10000>; - reset-deassert-us = <30000>; + reset-deassert-us = <80000>; reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>; }; };