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=-13.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 141E0C2D0A8 for ; Mon, 7 Sep 2020 16:55:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4E0E21789 for ; Mon, 7 Sep 2020 16:55:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599497707; bh=yvfnzkumOLeNZfCzoJKHdy3baNkUPfQBaVECQlvIDrA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=oMfd3M802g5xSEj4Z4SqQ8JXN/Vr+nHc9/rJzTzGDzE0sp1mBQlPpLK3WIeCixR6L El2fkr+XBWlCrVZsonRLrfSeCbrMuMf6Gnd+xyBDcGfseMgfikBDxfWdCkrviR8zB6 CkWJ5Luiurt6FYzagP1TP8MXh+DPmEmCyyfi0y1I= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731189AbgIGQzG (ORCPT ); Mon, 7 Sep 2020 12:55:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:48030 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730747AbgIGQeR (ORCPT ); Mon, 7 Sep 2020 12:34:17 -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 521BE21D81; Mon, 7 Sep 2020 16:34:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599496453; bh=yvfnzkumOLeNZfCzoJKHdy3baNkUPfQBaVECQlvIDrA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=etrGPQeyPcHjSpgEcR+PlSFbfXWGYHsXxQIOSzVkezrKr4qQdTne/sn+U0NoSDUD1 /HfliiNxUqjWmKXk1zf51Wat1aHeegDICiOgV/kWQe3mdLgAqPxff8MxqxwdCu7NHh YeYkW2vyNNavrNk33jWmbq4L5W6NaEY7DyGSPhfA= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Evgeniy Didin , Eugeniy Paltsev , Alexey Brodkin , Vineet Gupta , Sasha Levin , devicetree@vger.kernel.org, linux-snps-arc@lists.infradead.org Subject: [PATCH AUTOSEL 5.4 34/43] ARC: [plat-hsdk]: Switch ethernet phy-mode to rgmii-id Date: Mon, 7 Sep 2020 12:33:20 -0400 Message-Id: <20200907163329.1280888-34-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200907163329.1280888-1-sashal@kernel.org> References: <20200907163329.1280888-1-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: Evgeniy Didin [ Upstream commit 26907eb605fbc3ba9dbf888f21d9d8d04471271d ] HSDK board has Micrel KSZ9031, recent commit bcf3440c6dd ("net: phy: micrel: add phy-mode support for the KSZ9031 PHY") caused a breakdown of Ethernet. Using 'phy-mode = "rgmii"' is not correct because accodring RGMII specification it is necessary to have delay on RX (PHY to MAX) which is not generated in case of "rgmii". Using "rgmii-id" adds necessary delay and solves the issue. Also adding name of PHY placed on HSDK board. Signed-off-by: Evgeniy Didin Cc: Eugeniy Paltsev Cc: Alexey Brodkin Signed-off-by: Vineet Gupta Signed-off-by: Sasha Levin --- arch/arc/boot/dts/hsdk.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts index 5d64a5a940ee6..dcaa44e408ace 100644 --- a/arch/arc/boot/dts/hsdk.dts +++ b/arch/arc/boot/dts/hsdk.dts @@ -210,7 +210,7 @@ gmac: ethernet@8000 { reg = <0x8000 0x2000>; interrupts = <10>; interrupt-names = "macirq"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; snps,pbl = <32>; snps,multicast-filter-bins = <256>; clocks = <&gmacclk>; @@ -228,7 +228,7 @@ mdio { #address-cells = <1>; #size-cells = <0>; compatible = "snps,dwmac-mdio"; - phy0: ethernet-phy@0 { + phy0: ethernet-phy@0 { /* Micrel KSZ9031 */ reg = <0>; }; }; -- 2.25.1