From patchwork Sat Dec 18 18:20:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Stach X-Patchwork-Id: 12696772 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 42F39C433EF for ; Sat, 18 Dec 2021 18:22:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fpRFr3g6AJkiex+jwNbgt85fjSWD/7PaYO6WbAEj0m0=; b=qIYEHeyJp6ukIE 0ewiSjaUObn7T/KkOgxpK2jdbh5Q/jBDBXaholfjspBvZ6K+FfAPIzQRAYMS8Z2XXvyvc+5wiejps gxyywN0uTZcJ4cehmXmQ0LR4oCFiCezpacfTKWRzXsCj1nkt2CDLZYNFmOD8equ65o8L0sP1OD2AM rpl+L8Gefgi/2crK/dFz8I7c8T2j9kKsDHeltMXs4AQ0bg/xhBtiwllazQdhgw63JLHBEte/SupDm HGDWOBGRHhTI5s3toHKV1x4cB0TjYyxgSbp1EEQx3rV6KND7MiCxYME3Mg9PWz4VLxHV2s/DuAO+B 7vsprqv/0JhWy9IPXGOQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1myeKJ-00ESlm-SC; Sat, 18 Dec 2021 18:20:59 +0000 Received: from ns.lynxeye.de ([87.118.118.114] helo=lynxeye.de) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1myeKG-00ESku-O6 for linux-arm-kernel@lists.infradead.org; Sat, 18 Dec 2021 18:20:58 +0000 Received: by lynxeye.de (Postfix, from userid 501) id 1228FE74225; Sat, 18 Dec 2021 19:20:25 +0100 (CET) Received: from astat.fritz.box (a89-183-15-39.net-htp.de [89.183.15.39]) by lynxeye.de (Postfix) with ESMTPA id A46B9E74214; Sat, 18 Dec 2021 19:20:24 +0100 (CET) From: Lucas Stach To: Shawn Guo Cc: Pengutronix Kernel Team , NXP Linux Team , linux-arm-kernel@lists.infradead.org, "Lukas F . Hartmann" Subject: [PATCH v2 2/2] arm64: dts: mnt-reform2: correct i2c3 pad-ctrl Date: Sat, 18 Dec 2021 19:20:21 +0100 Message-Id: <20211218182021.235561-2-dev@lynxeye.de> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211218182021.235561-1-dev@lynxeye.de> References: <20211218182021.235561-1-dev@lynxeye.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211218_102056_956755_BFB20102 X-CRM114-Status: GOOD ( 10.95 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The slew rate and drive-strength of the i2c3 pads were much too high. Bring them down to avoid signal quality issues. Signed-off-by: Lucas Stach --- arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts b/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts index 9710f21e3fd5..728b0aaf838a 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-mnt-reform2.dts @@ -297,8 +297,8 @@ MX8MQ_IOMUXC_SAI5_RXC_GPIO3_IO20 0x1 pinctrl_i2c3: i2c3grp { fsl,pins = < - MX8MQ_IOMUXC_I2C3_SCL_I2C3_SCL 0x4000007f - MX8MQ_IOMUXC_I2C3_SDA_I2C3_SDA 0x4000007f + MX8MQ_IOMUXC_I2C3_SCL_I2C3_SCL 0x40000022 + MX8MQ_IOMUXC_I2C3_SDA_I2C3_SDA 0x40000022 >; };