From nobody Wed Dec 31 17:58:07 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8800C4332F for ; Tue, 31 Oct 2023 20:47:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344221AbjJaUr2 (ORCPT ); Tue, 31 Oct 2023 16:47:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233956AbjJaUrQ (ORCPT ); Tue, 31 Oct 2023 16:47:16 -0400 X-Greylist: delayed 484 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Tue, 31 Oct 2023 13:47:11 PDT Received: from mail.fris.de (unknown [IPv6:2a01:4f8:c2c:390b::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 44F7DF9; Tue, 31 Oct 2023 13:47:11 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 0ADF6BFB24; Tue, 31 Oct 2023 21:39:13 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1698784754; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=QMQbz0Xx1UZMq2SrLbRYJmhzSjoTma3z0GNzEhkDDx8=; b=uHJKKbri1D+cZ3+5THyik/L7kjuc7Aw2rSaVt5O20fdCuO20yzdBob5BPgEiQOzKk9+WxM iPQsjp7VKjkeKEsMJIF4gxPMpAeqSsVBrpMfHLXCiWeVMR5qUZNrCfjwW0+vZx3BNKCItW PWfU+Sf1Q1qMtKLYj6LvZDJrWaOHmG00j5ZpAda71fZAK8ReWPw6TM61YDeSilZ3NoNgDW S2Z+9vpoGJNecAUC4eHhXt+PQ/MTMZLS6zaCxxbhjT9/CeVx01rx7oZk76InmzviC8r7LN UxpUNnNWJQz3ej9eIdiLFcAq/9omt5a0CGEVuV4wb9zFwtHJess479JPeCLLDQ== From: Frieder Schrempf To: Conor Dooley , devicetree@vger.kernel.org, Frieder Schrempf , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: Fabio Estevam , Marek Vasut , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH 03/14] arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on OSM-S i.MX8MM Date: Tue, 31 Oct 2023 21:37:40 +0100 Message-ID: <20231031203836.3888404-4-frieder@fris.de> In-Reply-To: <20231031203836.3888404-1-frieder@fris.de> References: <20231031203836.3888404-1-frieder@fris.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Last-TLS-Session-Version: TLSv1.3 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Frieder Schrempf There are external pullup resistors on the board and due to silicon errata ERR050080 let's disable the internal ones to prevent any unwanted behavior in case they wear out. Fixes: de9618e84f76 ("arm64: dts: Add support for Kontron SL/BL i.MX8MM OSM= -S") Signed-off-by: Frieder Schrempf --- arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts | 4 ++-- arch/arm64/boot/dts/freescale/imx8mm-kontron-osm-s.dtsi | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts b/ar= ch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts index 8b16bd68576c0..0730c22e5b6b9 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-osm-s.dts @@ -294,8 +294,8 @@ MX8MM_IOMUXC_SAI3_MCLK_GPIO5_IO2 0x19 =20 pinctrl_i2c4: i2c4grp { fsl,pins =3D < - MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL 0x400001c3 - MX8MM_IOMUXC_I2C4_SDA_I2C4_SDA 0x400001c3 + MX8MM_IOMUXC_I2C4_SCL_I2C4_SCL 0x40000083 + MX8MM_IOMUXC_I2C4_SDA_I2C4_SDA 0x40000083 >; }; =20 diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-osm-s.dtsi b/arch= /arm64/boot/dts/freescale/imx8mm-kontron-osm-s.dtsi index 6e75ab879bf59..3e7db968f7e64 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-osm-s.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-osm-s.dtsi @@ -252,8 +252,8 @@ MX8MM_IOMUXC_ECSPI1_SS0_GPIO5_IO9 0x19 =20 pinctrl_i2c1: i2c1grp { fsl,pins =3D < - MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3 - MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3 + MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL 0x40000083 + MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA 0x40000083 >; }; =20 --=20 2.42.0