From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=fris.de header.i=@fris.de header.b="QFR1+jxR" Received: from mail.fris.de (mail.fris.de [116.203.77.234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6AC9D1A4; Thu, 30 Nov 2023 08:18:42 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 33284C027B; Thu, 30 Nov 2023 17:18:40 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1701361120; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=yTILABmjrRzxd4BiyZ/RTjW9onr6Z125M0Mod5/VAOE=; b=QFR1+jxR3q32TFtUE6PXMfEwsyqvEMsXfliSPq772ER3IZ+7SQclkdfDKtrtedXXlEOVq7 F5HHlO6eDDwYF9RNJLAUFYv++O6fCXbS1RXCFhBq1obs6USUHWkfrScR6vhEgKsI9NGWR6 3QPiMcjXTm3bLMYAAgz0Sj91R0MZQPhIvHLsA1O9+IntPAc+hxuRsZl4NgnxXxKFMGf7aZ mL2BIoUnZivk7aQSAquRPGA8CZ4OC3EG8lL0YMCcboVcEdTiJIJvOwgu7oW/g0CYAODMu/ v5bWDXdXeBInAkiw/sFuecLleC2wy4ogsncYOM7jbPXaxu4tY/+ltBos12yARQ== 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 v2 04/14] arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on SL/BL i.MX8MM Date: Thu, 30 Nov 2023 17:16:04 +0100 Message-ID: <20231130161657.556483-5-frieder@fris.de> In-Reply-To: <20231130161657.556483-1-frieder@fris.de> References: <20231130161657.556483-1-frieder@fris.de> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 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 0fb16b811461e..6d0c3d7e1d103 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl.dts @@ -430,8 +430,8 @@ MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x40000083 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 >; }; -- 2.43.0