From patchwork Wed Dec 6 14:41:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 13481881 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 E60A4C4167B for ; Wed, 6 Dec 2023 14:45:06 +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=oTfFAnj7peQYaE9gxdqWwBxlj1EE4ZFfp3bFA+rErI0=; b=EVRt6sWcBbHqUp 3sJ7nYqon5Sockcg9kZFBKZGg0sFDcnMMSRHwvg5YzVmJijhc63TM9L3kKHycXiWkfZ8rnCr3T4eq ULwNQexdY1UQd82zEcVoJaNae0t68DarDeHXuNl8Sak4TBilLakFWnnJWJ2w2iEgGkqa/BYinkqjV y2Pr/07uescwwVCSFuQZaC1blDbNeUmuBdwyDGJ2FtQPxpaNIl3U/NTF/QitMBzMcff7zb80W5MWc W8qzyjzVTmi5hpBmU3aQDtMVnGHeXmQrySzBjrQdKh42kUgQtxtiVCXTGfyoNcLHGcmJIFmujbKU5 K0tuHy9sy5PZ+COXNQpQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rAt8j-00AWkg-29; Wed, 06 Dec 2023 14:44:41 +0000 Received: from [2a01:4f8:c2c:390b::1] (helo=mail.fris.de) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rAt8b-00AWeg-1L for linux-arm-kernel@lists.infradead.org; Wed, 06 Dec 2023 14:44:34 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 9839DBFD15; Wed, 6 Dec 2023 15:44:30 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1701873871; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=NkMKnEjwIGTkVluEw4nFhKYXxAKXw2JtUmP+2W0Q83E=; b=diSwOy9yZUei6M299O6MJLnYq/3SMDZOXAmm4xLzGKAe/JdM01/CeKDps0p5yJtcHKhiFn NHBAK8c5nSUdra3bC9w7amclupXt4LnH2EyR8BewvOqbXR7sOFteNJUxguwSgCcpB3td2B qPPAfLqQ1KrAkQrmcUGSF1ddRmHvZKhk7NWEin6yj+0sHONdg0fDzU+IcwG+crA0jwUeT6 BtbZ1Z4zVVHd8dYwunnrMVY8Zzcp/UhQoar/bUNy4795aKCkTELOGHNki8TbuVt63GXh3a XKx4rvgQ62KLEdCm1V01sdFriQSq48T8kYJ41Xuc74986uMw66RMGI+5F2po9g== 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 , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH v3 03/14] arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on OSM-S i.MX8MM Date: Wed, 6 Dec 2023 15:41:06 +0100 Message-ID: <20231206144201.46911-4-frieder@fris.de> In-Reply-To: <20231206144201.46911-1-frieder@fris.de> References: <20231206144201.46911-1-frieder@fris.de> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231206_064433_608636_906F6B24 X-CRM114-Status: UNSURE ( 9.07 ) X-CRM114-Notice: Please train this message. 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 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 --- Changes for v3: * none Changes for v2: * none --- 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/arch/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 pinctrl_i2c4: i2c4grp { fsl,pins = < - 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 >; }; 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 pinctrl_i2c1: i2c1grp { fsl,pins = < - 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 >; };