From patchwork Mon Jan 8 08:48:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 760894 Received: from mail.fris.de (mail.fris.de [116.203.77.234]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 161BA12B6F; Mon, 8 Jan 2024 09:03:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=fris.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fris.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=fris.de header.i=@fris.de header.b="aBuis9+i" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 77B04C00F2; Mon, 8 Jan 2024 09:51:13 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1704703873; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=WkJLjJBFhjyeB1P2h5D7TjHdh/0eYkxZfnrgDWBtiQY=; b=aBuis9+iPUZNcpmXn/JY36DUed3hcDYwB9wL3TVFJPiiBjPBTxEBrmP/W2dJHGG4N7fm2t aUWlqyOttOLTyeJ3yACLpTH+st0NQljeJbB/tPeL6RGDUG7LNta9/AO+Nc+fNAKL6sluj9 ZtOtFB8JU0E986YFuMTsS9NN6EajRSBV/A9f7AkUhddY3VHg+KjLtFWivClnxm435+vOA+ dZOCtM0dGDx504GejHNjqVcAt7q92v68TysHv0sgMh1iraxy6GgpBJNcVB75ERbZPdrqgY aNvej6S0lF/mARqqOJliWVI9FGr0sbhZvJ0UNC6MftuNPzBtG++AYT53S4a4Vg== 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 , Krzysztof Kozlowski , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH v4 02/12] arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on SL/BL i.MX8MM Date: Mon, 8 Jan 2024 09:48:59 +0100 Message-ID: <20240108084945.75356-3-frieder@fris.de> In-Reply-To: <20240108084945.75356-1-frieder@fris.de> References: <20240108084945.75356-1-frieder@fris.de> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 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: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Signed-off-by: Frieder Schrempf --- Changes for v3: * none Changes for v2: * none --- arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts | 4 ++-- arch/arm64/boot/dts/freescale/imx8mm-kontron-sl.dtsi | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts index dcec57c20399e..5fd2e45258b11 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts @@ -279,8 +279,8 @@ 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-sl.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-sl.dtsi index 1f8326613ee9e..2076148e08627 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-sl.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-sl.dtsi @@ -237,8 +237,8 @@ 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 >; };