From mboxrd@z Thu Jan 1 00:00:00 1970 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 phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E4800C433EF for ; Mon, 25 Apr 2022 22:16:21 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 433EE83B1E; Tue, 26 Apr 2022 00:16:19 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1650924979; bh=KFwChLfCdUYlN8+eMAvOzXYwaD04XY7BBHatEF2HNyc=; h=From:To:Cc:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=nmqInYsORnnMBZLqIECVLGiODOeJJ0jHsFT+oPAIYmORmmRdfxk0Uh4WzZXhRsKcv kjQGVdZNWbO9HYBgUyLahjYfo0eE2eEDcdC87AOEjg3n7UB2gkXpH8E9TNuBKi8v0S uEV4Lxfx94OM+00tuWx7oVwxpRmOwMpidMyEXLrR0lFqAOcABBqNpytp24RYeACMIt 1b/54AUFfsgk6P4iwjYPheXPm6f4M6grDAHQ6qKIJVr9Fc4KHOWZnUyKDCGOQw8pjw BJAk4f+MsxvS6wA8+heIKH0v6HuHbZF9iuRq+Dhs+iXiHut2aZTGRcFdnxn8JxGrv3 sbzSsVgXjS+4w== Received: from tr.lan (ip-86-49-12-201.net.upcbroadband.cz [86.49.12.201]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id F418E8399B; Tue, 26 Apr 2022 00:16:16 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1650924977; bh=KFwChLfCdUYlN8+eMAvOzXYwaD04XY7BBHatEF2HNyc=; h=From:To:Cc:Subject:Date:From; b=KIE8IDA9KMQD6ZTBjrOccUVnC6M39QYc1kmmVRQ+crMI/wMZ4kn+uwG4lAEfeLCpW oFi6B1ldAby0qPDe28Jk5dUVN5gelzo2VDUrjqM2ftNxYQPEQCcH36tljpvALuAkBL Ur1UTPxrQJ34qluc6sn2NufqfjE/yaoaE3cohvV/A4Q9zDqoxHvyS3uFJZFI5XmlQG jVcpdCBjbwhISmikNMKZDFgQdUR0CCB/MFkqnknuZOFo3Ji5v7EmFvB57nimtzTeZ5 Q00fPzN6iCtwmzdtGetnqXALGlfo/zKtoQ2cCdemNiuyYpZL6vaZheIeTqf2TfDluw m+O53yDBsNGFg== From: Marek Vasut To: u-boot@lists.denx.de Cc: Marek Vasut , Fabio Estevam , Peng Fan , Stefano Babic Subject: [PATCH] ARM: dts: imx: Use 100 kHz I2C2 on Data Modul i.MX8M Mini eDM SBC Date: Tue, 26 Apr 2022 00:16:04 +0200 Message-Id: <20220425221604.262351-1-marex@denx.de> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean The I2C2 has SMBus device SMSC USB2514Bi connected to it, the device is capable of up to 100 kHz operation. Reduce the bus frequency to 100 kHz to guarantee this I2C device can work correctly. Signed-off-by: Marek Vasut Cc: Fabio Estevam Cc: Peng Fan Cc: Stefano Babic --- arch/arm/dts/imx8mm-data-modul-edm-sbc.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/dts/imx8mm-data-modul-edm-sbc.dts b/arch/arm/dts/imx8mm-data-modul-edm-sbc.dts index 154116d01c9..5b022040902 100644 --- a/arch/arm/dts/imx8mm-data-modul-edm-sbc.dts +++ b/arch/arm/dts/imx8mm-data-modul-edm-sbc.dts @@ -392,7 +392,7 @@ &i2c2 { /* IMX8MM ERRATA e7805 -- I2C is limited to 384 kHz due to SoC bug */ - clock-frequency = <320000>; + clock-frequency = <100000>; pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c2>; pinctrl-1 = <&pinctrl_i2c2_gpio>; -- 2.35.1