From patchwork Thu Nov 30 16:16:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 748676 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=fris.de header.i=@fris.de header.b="HIqDSTpF" Received: from mail.fris.de (unknown [IPv6:2a01:4f8:c2c:390b::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F26D1700; Thu, 30 Nov 2023 08:18:40 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 3402DC01DC; Thu, 30 Nov 2023 17:18:38 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1701361118; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=4wc5xlMkQVwPcIfy78SOPNz2f9X1LzOiI43PLTGlKIw=; b=HIqDSTpFOvPNcaV3anPh7zEcy3RpJpAPoJ9yc+LRE1KhwmhP2OJhltFzQgAT4/NuyJlQyv 8Tzn1nLuxp86boeemiwUqvBVWgNtRpTN8Bzgsn7P37J2YbjL9tzcHu70VRrJ8j1383+RQy zE5vih9Ohd5/tgq/dWuaSKVGGlU2ca8aXlJiHxNSJ8JjesPWw7dgPVTvMU+mR7EowhmBdl wfVUCa09RlgiTKB2XC6eKfncJ2DBXoeWbyQkmRqeWoNQosW/1b8gOG4M6Zjd27n+ITgkDr R0yUiB1HQmn07VSJxQRWlmFMJ04omLFBF9QPJvI1UaCVd2RMC4qk0nuZ+FmVUw== 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 v2 03/14] arm64: dts: imx8mm-kontron: Disable pullups for I2C signals on OSM-S i.MX8MM Date: Thu, 30 Nov 2023 17:16:03 +0100 Message-ID: <20231130161657.556483-4-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 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: de9618e84f76 ("arm64: dts: Add support for Kontron SL/BL i.MX8MM OSM-S") Signed-off-by: Frieder Schrempf --- 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 >; };