From patchwork Mon Jan 25 18:47:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Stach X-Patchwork-Id: 370305 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=-13.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED, 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 B2E66C433E0 for ; Mon, 25 Jan 2021 18:50:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7BADA2067B for ; Mon, 25 Jan 2021 18:50:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730627AbhAYStq (ORCPT ); Mon, 25 Jan 2021 13:49:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44844 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730861AbhAYSst (ORCPT ); Mon, 25 Jan 2021 13:48:49 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7379EC061793 for ; Mon, 25 Jan 2021 10:47:41 -0800 (PST) Received: from [2a0a:edc0:0:1101:1d::39] (helo=dude03.red.stw.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1l46tn-0007Cg-GJ; Mon, 25 Jan 2021 19:47:39 +0100 From: Lucas Stach To: Shawn Guo Cc: Fabio Estevam , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, patchwork-lst@pengutronix.de Subject: [PATCH 07/10] arm64: dts: zii-ultra: fix i2c pin configuration Date: Mon, 25 Jan 2021 19:47:33 +0100 Message-Id: <20210125184736.1226435-7-l.stach@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210125184736.1226435-1-l.stach@pengutronix.de> References: <20210125184736.1226435-1-l.stach@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::39 X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: devicetree@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Reduce slew rate and set drive strength to 105 Ohm. The previous settings had some issues with signal ringing, due to the slew rate being too fast. Signed-off-by: Lucas Stach --- .../boot/dts/freescale/imx8mq-zii-ultra.dtsi | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi index e6469e15bcbd..aa05d5fd1b3b 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi @@ -661,29 +661,29 @@ pinctrl_i2c1: i2c1grp { fsl,pins = < - MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL 0x4000007f - MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA 0x4000007f + MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL 0x40000022 + MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA 0x400000a2 >; }; pinctrl_i2c2: i2c2grp { fsl,pins = < - MX8MQ_IOMUXC_I2C2_SCL_I2C2_SCL 0x4000007f - MX8MQ_IOMUXC_I2C2_SDA_I2C2_SDA 0x4000007f + MX8MQ_IOMUXC_I2C2_SCL_I2C2_SCL 0x40000022 + MX8MQ_IOMUXC_I2C2_SDA_I2C2_SDA 0x400000a2 >; }; 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 0x400000a2 >; }; pinctrl_i2c4: i2c4grp { fsl,pins = < - MX8MQ_IOMUXC_I2C4_SCL_I2C4_SCL 0x4000007f - MX8MQ_IOMUXC_I2C4_SDA_I2C4_SDA 0x4000007f + MX8MQ_IOMUXC_I2C4_SCL_I2C4_SCL 0x40000022 + MX8MQ_IOMUXC_I2C4_SDA_I2C4_SDA 0x400000a2 >; };