From patchwork Mon Dec 7 17:58:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 11956465 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=-16.8 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 EA078C4361B for ; Mon, 7 Dec 2020 17:59:40 +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 A58E22389F for ; Mon, 7 Dec 2020 17:59:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A58E22389F 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=GMsD2cc3nZx2tZsQT+8iauLdNu0qMHNYblQTSzG+fFQ=; b=SkQ8F6dng9TwRwAmkPEvZzmLp oXic75E7thK8FfjoBCiEgxmLLQ0kaitxd/wRSiGW1IdnnNzACZPUh6WHFA1qoLsy3jfHinoQRIQHw fCxbhL0tNs65KFvWsZ3fzegT64AmxoXeb1IEOgIlLkP5p3rZZSn+eA4Mp1bQRPwWUCvPoBhxMAeCM du577wsDKQmvDg15Vzeo6V+VGaiDgmJSh/Ag3nciVfx6uAzeqRWBk8hqwBxO5hzUV1yNNAdQMUOKu tPG5obxzmHR4OxdDH8ifyN1pZszA1VtENgp1zqKIXTwNfc3/Tuytt1aJemwJv/h0DDann2VeD5m7r nAKWwyWqA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kmKmM-0005Nw-PL; Mon, 07 Dec 2020 17:58:30 +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 1kmKm7-0005Hx-7V; Mon, 07 Dec 2020 17:58:17 +0000 Received: from allenwind.lan (unknown [IPv6:2a02:169:3df5:0:6d9:f5ff:fe22:28bf]) by mail.kmu-office.ch (Postfix) with ESMTPSA id 3CF635C2DC7; Mon, 7 Dec 2020 18:58:14 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=agner.ch; s=dkim; t=1607363894; 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=kP4cdz/3tSpxSicOOh12rcBPCsaNwvBjLo2OKb8ClH0=; b=aa2T+qElCGh5fu0FnBZpQNW/PGr/S1cJwqVXh8BCKZOar4T5QlZSbxWqPC9W/4WRcy2ygg fETBTotH5j3ZYBPi3QLJ7R/9Di7DV7soW9PMXjkve/YvxV7Ws3erTae2SoSFDoqxXC+lcR sv/KABkokMnQg68MbIjhMn2FEd5sauM= From: Stefan Agner To: khilman@baylibre.com Subject: [PATCH v3 4/5] arm64: dts: meson: g12a: x96-max: fix PHY deassert timing requirements Date: Mon, 7 Dec 2020 18:58:02 +0100 Message-Id: <12506964ca5d5f936579a280ad0a7e7f9a0a2d4c.1607363522.git.stefan@agner.ch> X-Mailer: git-send-email 2.29.2 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201207_125815_467947_FE74F48F 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 registers. 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: ed5e8f689154 ("arm64: dts: meson: g12a: x96-max: fix the Ethernet PHY reset line") Reviewed-by: Martin Blumenstingl Signed-off-by: Stefan Agner --- arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts index 1b07c8c06eac..463a72d6bb7c 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts @@ -340,7 +340,7 @@ external_phy: ethernet-phy@0 { eee-broken-1000t; reset-assert-us = <10000>; - reset-deassert-us = <30000>; + reset-deassert-us = <80000>; reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>; interrupt-parent = <&gpio_intc>;