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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, 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 5FCB9C3A5A1 for ; Sun, 25 Aug 2019 13:04:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A6C42082F for ; Sun, 25 Aug 2019 13:04:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728294AbfHYNDt (ORCPT ); Sun, 25 Aug 2019 09:03:49 -0400 Received: from mailoutvs9.siol.net ([185.57.226.200]:38479 "EHLO mail.siol.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727889AbfHYNDt (ORCPT ); Sun, 25 Aug 2019 09:03:49 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTP id C075A5242B2; Sun, 25 Aug 2019 15:03:45 +0200 (CEST) X-Virus-Scanned: amavisd-new at psrvmta09.zcs-production.pri Received: from mail.siol.net ([127.0.0.1]) by localhost (psrvmta09.zcs-production.pri [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 3csP3GBVC5Nr; Sun, 25 Aug 2019 15:03:45 +0200 (CEST) Received: from mail.siol.net (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTPS id 7099E5223C7; Sun, 25 Aug 2019 15:03:45 +0200 (CEST) Received: from localhost.localdomain (cpe-86-58-59-25.static.triera.net [86.58.59.25]) (Authenticated sender: 031275009) by mail.siol.net (Postfix) with ESMTPSA id 7DB83521591; Sun, 25 Aug 2019 15:03:44 +0200 (CEST) From: Jernej Skrabec To: mripard@kernel.org, wens@csie.org Cc: robh+dt@kernel.org, mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, Ondrej Jirman Subject: [PATCH] arm64: dts: allwinner: a64: pine64-plus: Add PHY regulator delay Date: Sun, 25 Aug 2019 15:03:36 +0200 Message-Id: <20190825130336.14154-1-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Depending on kernel and bootloader configuration, it's possible that Realtek ethernet PHY isn't powered on properly. It needs some time before it can be used. Fix that by adding 100ms ramp delay to regulator responsible for powering PHY. Fixes: 94dcfdc77fc5 ("arm64: allwinner: pine64-plus: Enable dwmac-sun8i") Suggested-by: Ondrej Jirman Signed-off-by: Jernej Skrabec --- arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts b/a= rch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts index 24f1aac366d6..9612a34c1762 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64-plus.dts @@ -63,3 +63,7 @@ reg =3D <1>; }; }; + +®_dc1sw { + regulator-enable-ramp-delay =3D <100000>; +}; --=20 2.23.0