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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 A59CAC64E7C for ; Mon, 23 Nov 2020 13:15:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 539692078E for ; Mon, 23 Nov 2020 13:15:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="HxTdhvF+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387696AbgKWNO2 (ORCPT ); Mon, 23 Nov 2020 08:14:28 -0500 Received: from mail.kernel.org ([198.145.29.99]:58796 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733168AbgKWMp0 (ORCPT ); Mon, 23 Nov 2020 07:45:26 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5E6E220732; Mon, 23 Nov 2020 12:45:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1606135525; bh=oDLcnlMwN2wjgBOiQff4OUc5Gb+aQjsmoFbBbC1knpU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HxTdhvF+x4AIVib2eBw54p/j7+yGhkpdpry8/MTj9VARf7XzG3ufa+y1hQuVRq3Ae DWgyjl0rlIbqxD82pU03neCG0/PnzzpElh20VqV6iuLy/AbeO78BfTuirE3yomfWc/ 2hOIPv81BSO9f4Kv8iWYfzSJ8BIKDdnf6BfyDqdo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chris Healy , Andrew Lunn , Shawn Guo , Sasha Levin Subject: [PATCH 5.9 099/252] ARM: dts: vf610-zii-dev-rev-b: Fix MDIO over clocking Date: Mon, 23 Nov 2020 13:20:49 +0100 Message-Id: <20201123121840.361203148@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201123121835.580259631@linuxfoundation.org> References: <20201123121835.580259631@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Andrew Lunn [ Upstream commit f8b5a33707c9a19ec905d2826be0acd151997a09 ] The ZII devel B board has two generations of Marvell Switches. The mv88e6352 supports an MDIO clock of 12MHz. However the older 88e6185 does not like 12MHz, and often fails to probe. Reduce the clock speed to 5MHz, which seems to work reliably. Cc: Chris Healy Fixes: b955387667ec ("ARM: dts: ZII: update MDIO speed and preamble") Signed-off-by: Andrew Lunn Reviewed-by: Chris Healy Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/vf610-zii-dev-rev-b.dts | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/boot/dts/vf610-zii-dev-rev-b.dts b/arch/arm/boot/dts/vf610-zii-dev-rev-b.dts index e500911ce0a59..6f1e0f0d4f0ae 100644 --- a/arch/arm/boot/dts/vf610-zii-dev-rev-b.dts +++ b/arch/arm/boot/dts/vf610-zii-dev-rev-b.dts @@ -406,6 +406,9 @@ }; }; +&mdio1 { + clock-frequency = <5000000>; +}; &iomuxc { pinctrl_gpio_e6185_eeprom_sel: pinctrl-gpio-e6185-eeprom-spi0 { -- 2.27.0