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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 57F84C0044D for ; Mon, 16 Mar 2020 12:55:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1B33020658 for ; Mon, 16 Mar 2020 12:55:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584363353; bh=2HQwa7nwNFrEoeIhVSQz+z9hPaegOb5WhBxknPBYxLU=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=ne2eI+/FxW6fJsRXiE2bF5N/enLfN9WkRfNtA5bM2T82HM0r3u3D+C0ejNzXnUviD 8uhjtDUoLCsgW5Rt+gsASQRtI3yidSdIdLt/HjlgJDkijJLwShCAOiNkGytgkbzyjy iQEMiGQtggEJYAikjDr4Ua/R79DoB7o1RDksk1EE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731063AbgCPMzw (ORCPT ); Mon, 16 Mar 2020 08:55:52 -0400 Received: from conssluserg-02.nifty.com ([210.131.2.81]:34102 "EHLO conssluserg-02.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731056AbgCPMzw (ORCPT ); Mon, 16 Mar 2020 08:55:52 -0400 Received: from mail-ua1-f49.google.com (mail-ua1-f49.google.com [209.85.222.49]) (authenticated) by conssluserg-02.nifty.com with ESMTP id 02GCtj17010775 for ; Mon, 16 Mar 2020 21:55:46 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-02.nifty.com 02GCtj17010775 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1584363346; bh=2HQwa7nwNFrEoeIhVSQz+z9hPaegOb5WhBxknPBYxLU=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=No96Wbyqqkf3oxZoxUKEsFANRPMHct/0RSVDnoVy4Xc+6L9nPItIhOFo9xAeMD47h utrxewZ6toi37TMD2rqdmzUu1QXTMWaXW2xxLGBNy3fXINYD+KAd3yAhGJsBlh6snB CAhi7nQTwcdWrnHr54PgxPd149VDmOkYVQto6ruTiU9mYOVKEJBU4ws+ZWtmoflzsZ kRca3oJRmcC6F6wCQ4Dvon34Su0Kv2Vm14x3lu8i1LLmTIbJTTfuVec/Q53Shj2yMO 4dCwtH67oGQLY4/fdztCBwBDYHTVvVWpBOP2apIqT2OQE96DVD4bi3x1F4xHpCaIKO 5kyCwUpSN/pGQ== X-Nifty-SrcIP: [209.85.222.49] Received: by mail-ua1-f49.google.com with SMTP id a33so6439713uad.11 for ; Mon, 16 Mar 2020 05:55:46 -0700 (PDT) X-Gm-Message-State: ANhLgQ34bv/ZcBH3qQW8ZQav/4Ii/k7UnNVaVJ1h0tXsWrtMQAEpybx6 zQp8AuZzqTWNQmvWvy5WA9EpfL4XKToZJ3d3RqY= X-Google-Smtp-Source: ADFU+vu3J2cRyDb6ek6J1P/y4nL1obn2Se7a010pRaJsc0IwGE/IEI6eKiVqsyEA+CwYoVvWuiwVJorthFmddZ79YEE= X-Received: by 2002:a9f:28c5:: with SMTP id d63mr8234963uad.25.1584363345215; Mon, 16 Mar 2020 05:55:45 -0700 (PDT) MIME-Version: 1.0 References: <1584061096-23686-1-git-send-email-hayashi.kunihiko@socionext.com> <1584061096-23686-11-git-send-email-hayashi.kunihiko@socionext.com> In-Reply-To: <1584061096-23686-11-git-send-email-hayashi.kunihiko@socionext.com> From: Masahiro Yamada Date: Mon, 16 Mar 2020 21:55:09 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 10/10] arm64: dts: uniphier: Stabilize Ethernet RGMII mode of LD20 global and PXs3 ref board To: Kunihiko Hayashi Cc: Rob Herring , DTML , linux-arm-kernel , Masami Hiramatsu , Jassi Brar Content-Type: text/plain; charset="UTF-8" Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Fri, Mar 13, 2020 at 9:58 AM Kunihiko Hayashi wrote: > > The RGMII PHY needs to change drive-strength properties of the Ethernet > Tx pins to stabilize the PHY. > > The devicetree for LD20 global board specifies RMII PHY in the ethernet > node as default, however, there is also another board that has RGMII PHY. > The devicetree for the board doesn't exist, so the users should change > the ethernet properties by outside way. Probably, users should change pinctrl_ether_rgmii by the same means. The change to uniphier-pxs3-ref.dts looks OK to me. -- Best Regards Masahiro Yamada 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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 4E6C7C0044D for ; Mon, 16 Mar 2020 12:56:25 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 24578205ED for ; Mon, 16 Mar 2020 12:56:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="go7kqwMy"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nifty.com header.i=@nifty.com header.b="No96Wbyq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 24578205ED Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=3qfOf8z+xVORQunlhe42INYTHC/UXYQMXBRpnWQ1/sU=; b=go7kqwMyqJ/Jbi nEA/Mbi2YLit6BxGSyfC/ldMmL+8+hq6gVuCjjttRhiN6QI/J1yeUr9eHSP2VxOkw9iLToVeTleDQ Ew1ijPYItiCtCe0WbLapE3fsvK3A6wER7GtYt0UPZOWoS6fBvaej1Q6Gr1M3ezU0tH4mi7yjqhRZI yLZZXiETe58QFdl4DwLT8eezfh2AYBqY222rX6hrAEHyNJZmGO5Dcwcms3S7Qdk5DqgTEJiIUt3+w 0aFZtbcBCfLre2W1oxFW1RhaGcHgz4+r0LuN6fDSDGDObm80/0m5g5lzhJG5+XN0AgQxMQV6TayAt oDw00wLyy5cuyoVXaS+g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jDpI8-0007e6-Jm; Mon, 16 Mar 2020 12:56:24 +0000 Received: from conssluserg-03.nifty.com ([210.131.2.82]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jDpI5-0007de-N9 for linux-arm-kernel@lists.infradead.org; Mon, 16 Mar 2020 12:56:23 +0000 Received: from mail-ua1-f43.google.com (mail-ua1-f43.google.com [209.85.222.43]) (authenticated) by conssluserg-03.nifty.com with ESMTP id 02GCtjAY009256 for ; Mon, 16 Mar 2020 21:55:46 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-03.nifty.com 02GCtjAY009256 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1584363346; bh=2HQwa7nwNFrEoeIhVSQz+z9hPaegOb5WhBxknPBYxLU=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=No96Wbyqqkf3oxZoxUKEsFANRPMHct/0RSVDnoVy4Xc+6L9nPItIhOFo9xAeMD47h utrxewZ6toi37TMD2rqdmzUu1QXTMWaXW2xxLGBNy3fXINYD+KAd3yAhGJsBlh6snB CAhi7nQTwcdWrnHr54PgxPd149VDmOkYVQto6ruTiU9mYOVKEJBU4ws+ZWtmoflzsZ kRca3oJRmcC6F6wCQ4Dvon34Su0Kv2Vm14x3lu8i1LLmTIbJTTfuVec/Q53Shj2yMO 4dCwtH67oGQLY4/fdztCBwBDYHTVvVWpBOP2apIqT2OQE96DVD4bi3x1F4xHpCaIKO 5kyCwUpSN/pGQ== X-Nifty-SrcIP: [209.85.222.43] Received: by mail-ua1-f43.google.com with SMTP id y6so6456475ual.2 for ; Mon, 16 Mar 2020 05:55:46 -0700 (PDT) X-Gm-Message-State: ANhLgQ2tjLMix87nEC6IPuYjGnh0Jfd5P3GO+Xw8YXv8+N7vwQrJlBHX gLu9hHS5PhJaiIy4wPqCCtC6RyXazA+ls6ZyNFg= X-Google-Smtp-Source: ADFU+vu3J2cRyDb6ek6J1P/y4nL1obn2Se7a010pRaJsc0IwGE/IEI6eKiVqsyEA+CwYoVvWuiwVJorthFmddZ79YEE= X-Received: by 2002:a9f:28c5:: with SMTP id d63mr8234963uad.25.1584363345215; Mon, 16 Mar 2020 05:55:45 -0700 (PDT) MIME-Version: 1.0 References: <1584061096-23686-1-git-send-email-hayashi.kunihiko@socionext.com> <1584061096-23686-11-git-send-email-hayashi.kunihiko@socionext.com> In-Reply-To: <1584061096-23686-11-git-send-email-hayashi.kunihiko@socionext.com> From: Masahiro Yamada Date: Mon, 16 Mar 2020 21:55:09 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 10/10] arm64: dts: uniphier: Stabilize Ethernet RGMII mode of LD20 global and PXs3 ref board To: Kunihiko Hayashi X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200316_055621_975525_0F9B5800 X-CRM114-Status: UNSURE ( 9.53 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: DTML , Rob Herring , Masami Hiramatsu , linux-arm-kernel , Jassi Brar Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Mar 13, 2020 at 9:58 AM Kunihiko Hayashi wrote: > > The RGMII PHY needs to change drive-strength properties of the Ethernet > Tx pins to stabilize the PHY. > > The devicetree for LD20 global board specifies RMII PHY in the ethernet > node as default, however, there is also another board that has RGMII PHY. > The devicetree for the board doesn't exist, so the users should change > the ethernet properties by outside way. Probably, users should change pinctrl_ether_rgmii by the same means. The change to uniphier-pxs3-ref.dts looks OK to me. -- Best Regards Masahiro Yamada _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel