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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 EFADAC433DF for ; Thu, 18 Jun 2020 02:33:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD50A2089D for ; Thu, 18 Jun 2020 02:33:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592447597; bh=V1SnUGQ9bc0DljcE1bMJllCY7DyAnD07Yf37raQGIA8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=B4zP83fVN7FbK50HCjGzs83Rga4gOKOiTZ1GaJo3QbAh9MHsuv+XAa8bpDRmnFB+O QA9fvpzhNMJiPWkk3SCmilbcpSTHAtbeceLA6s9xv8z+k7GBaw26RLeQMzR0JJ2FBE NkxmBkF0mIIiDWCcNORr5UQp8OmCHcJ4PPTAdkVo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729399AbgFRBOz (ORCPT ); Wed, 17 Jun 2020 21:14:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:42734 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729128AbgFRBN2 (ORCPT ); Wed, 17 Jun 2020 21:13:28 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 00C54221ED; Thu, 18 Jun 2020 01:13:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592442807; bh=V1SnUGQ9bc0DljcE1bMJllCY7DyAnD07Yf37raQGIA8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dKvE88w7OMusNjsjty0A4Z2fanroxDN5SEiHQo7QDGHD0rE6h/naJJ4H+d08s2Red dMUzxtteTC2b6DwQB49KtNWybW10Nxr+gHjKE0yzyInGFZQsBlTiusdI7m6h/EQLOb VOWw0D6fdScBXBN46rPP7IpdXuhykEy7kX5jSL4E= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jon Hunter , Thierry Reding , Sasha Levin , devicetree@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH AUTOSEL 5.7 247/388] arm64: tegra: Fix ethernet phy-mode for Jetson Xavier Date: Wed, 17 Jun 2020 21:05:44 -0400 Message-Id: <20200618010805.600873-247-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200618010805.600873-1-sashal@kernel.org> References: <20200618010805.600873-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jon Hunter [ Upstream commit bba25915b172c72f6fa635f091624d799e3c9cae ] The 'phy-mode' property is currently defined as 'rgmii' for Jetson Xavier. This indicates that the RGMII RX and TX delays are set by the MAC and the internal delays set by the PHY are not used. If the Marvell PHY driver is enabled, such that it is used and not the generic PHY, ethernet failures are seen (DHCP is failing to obtain an IP address) and this is caused because the Marvell PHY driver is disabling the internal RX and TX delays. For Jetson Xavier the internal PHY RX and TX delay should be used and so fix this by setting the 'phy-mode' to 'rgmii-id' and not 'rgmii'. Fixes: f89b58ce71a9 ("arm64: tegra: Add ethernet controller on Tegra194") Signed-off-by: Jon Hunter Signed-off-by: Thierry Reding Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi index 623f7d7d216b..8e3136dfdd62 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi @@ -33,7 +33,7 @@ ethernet@2490000 { phy-reset-gpios = <&gpio TEGRA194_MAIN_GPIO(G, 5) GPIO_ACTIVE_LOW>; phy-handle = <&phy>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; mdio { #address-cells = <1>; -- 2.25.1