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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A08D4C433EF for ; Mon, 20 Dec 2021 14:51:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231327AbhLTOvH (ORCPT ); Mon, 20 Dec 2021 09:51:07 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:40998 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234887AbhLTOsl (ORCPT ); Mon, 20 Dec 2021 09:48:41 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 15837611AA; Mon, 20 Dec 2021 14:48:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EAABFC36AE8; Mon, 20 Dec 2021 14:48:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1640011719; bh=ZLn6k+8TFW/56N2AYo1Ww7edeCXV6qbxOxouby7034E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=duOo6cjffYCS20ukjXbUMSCdYFf7DFIhybPW6+pcXc1ZpPjdFwLdgrveWy0TEglun zywzHFOdAvztiCgmlblZJcDiOWOOUJj7Nl73JzeJ4bHVUDQ44ic/LeJlBvIqKlkoL5 oOY+WHWrj1IGNH6ppwGuzTxHbd6MOTz/+KjhXzOM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Joakim Zhang , Fabio Estevam , Shawn Guo , Rasmus Villemoes Subject: [PATCH 5.10 17/99] arm64: dts: imx8mp-evk: Improve the Ethernet PHY description Date: Mon, 20 Dec 2021 15:33:50 +0100 Message-Id: <20211220143029.936538403@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220143029.352940568@linuxfoundation.org> References: <20211220143029.352940568@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: Fabio Estevam commit 798a1807ab13a38e21c6fecd8d22a513d6786e2d upstream. According to the datasheet RTL8211, it must be asserted low for at least 10ms and at least 72ms "for internal circuits settling time" before accessing the PHY registers. Add properties to describe such requirements. Reported-by: Joakim Zhang Signed-off-by: Fabio Estevam Tested-by: Joakim Zhang Signed-off-by: Shawn Guo Cc: Rasmus Villemoes Signed-off-by: Greg Kroah-Hartman --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -62,6 +62,8 @@ reg = <1>; eee-broken-1000t; reset-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>; + reset-assert-us = <10000>; + reset-deassert-us = <80000>; }; }; };