From patchwork Thu Mar 19 07:50:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 11446631 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BDD411894 for ; Thu, 19 Mar 2020 07:52:23 +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 9CA3D20722 for ; Thu, 19 Mar 2020 07:52:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="bHw/uwKz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9CA3D20722 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=SPjyrI0S0X5RaZTVFzzHx8iPs9H51kSbOT/9mm/uu/Y=; b=bHw/uwKz9Nksn/+FSjpRmOYVp/ nJ0Whr/PQT9UhbAuGI3bZwTzHGcaJiirSgKzS3ol93D4ABu7B85ruYY/K0cshKOCX8qtmJ6nYfVwc 0IOqo6pdvBBYPayvVQjxVy8zr+CcQ4RG45GHDNIHJMyHjUkPP2S3bQ3F84J7xjnXFUT2Yh2D3ya3h n2a6fw9AAdYqnL1X0n9A35RyC//8SrUIAg2JxqmUPoTaAgsvOSNnECPMDvR7MxJgci31JIqrr2ErV FmDk2chAKTWt9l20dVJ0FRsmw/6IsuJt6avB8cVRXKLjxRiaV62v5ewLyixnE8DTcrid0C8QWQYC/ zK5pyXqw==; 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 1jEpyX-00005M-Jr; Thu, 19 Mar 2020 07:52:21 +0000 Received: from mx.socionext.com ([202.248.49.38]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jEpxH-00079z-Qg for linux-arm-kernel@lists.infradead.org; Thu, 19 Mar 2020 07:51:05 +0000 Received: from unknown (HELO kinkan-ex.css.socionext.com) ([172.31.9.52]) by mx.socionext.com with ESMTP; 19 Mar 2020 16:51:03 +0900 Received: from mail.mfilter.local (m-filter-2 [10.213.24.62]) by kinkan-ex.css.socionext.com (Postfix) with ESMTP id 5ABF318005C; Thu, 19 Mar 2020 16:51:03 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Thu, 19 Mar 2020 16:51:03 +0900 Received: from plum.e01.socionext.com (unknown [10.213.132.32]) by kinkan.css.socionext.com (Postfix) with ESMTP id E91731A12B9; Thu, 19 Mar 2020 16:51:02 +0900 (JST) From: Kunihiko Hayashi To: Masahiro Yamada , Rob Herring Subject: [PATCH v2 6/6] arm64: dts: uniphier: Stabilize Ethernet RGMII mode of PXs3 ref board Date: Thu, 19 Mar 2020 16:50:52 +0900 Message-Id: <1584604252-13172-7-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1584604252-13172-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1584604252-13172-1-git-send-email-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200319_005103_988090_D6B08BEC X-CRM114-Status: GOOD ( 14.60 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [202.248.49.38 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 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: devicetree@vger.kernel.org, Kunihiko Hayashi , Masami Hiramatsu , linux-arm-kernel@lists.infradead.org, Jassi Brar MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The RGMII PHY needs to change drive-strength properties of the Ethernet Tx pins to stabilize the PHY. Signed-off-by: Kunihiko Hayashi --- arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts b/arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts index fcab6d1..d74a6c6 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts +++ b/arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts @@ -132,3 +132,19 @@ reg = <0>; }; }; + +&pinctrl_ether_rgmii { + tx { + pins = "RGMII0_TXCLK", "RGMII0_TXD0", "RGMII0_TXD1", + "RGMII0_TXD2", "RGMII0_TXD3", "RGMII0_TXCTL"; + drive-strength = <9>; + }; +}; + +&pinctrl_ether1_rgmii { + tx { + pins = "RGMII1_TXCLK", "RGMII1_TXD0", "RGMII1_TXD1", + "RGMII1_TXD2", "RGMII1_TXD3", "RGMII1_TXCTL"; + drive-strength = <9>; + }; +};