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 3942CC433F5 for ; Fri, 22 Apr 2022 08:58:11 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id D87C083AEB; Fri, 22 Apr 2022 10:58:08 +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=1650617889; bh=KFwChLfCdUYlN8+eMAvOzXYwaD04XY7BBHatEF2HNyc=; h=From:To:Cc:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=KOl3VQnj6bZSRWts7odr9wiDl8chDY2UcEE4eBUINSuAPwREZOjJ1c9KiEG87JaJC jED6f32hO09TFy+jwMUhMSn1Ru2HjfpwIz/Zb4bZPj0RUm1jPe7GIilKCisJGXTB27 wnUAEWA439xyPMm5SjFJt7gqhBv57P1InEo16byXGNsVQ7SHmJax7+F0lbTr0GPelB /6x2373SpCxH+80KWiRaWf/b1fRu6vWL8txM6m3qX7Kd8LuLV3t78i0rIovCu/VZfS ofZhZqUh2AwNhmnmU5IRgLJ90N32sETDvGKzA9AIzxvh2pK7JUg0iJGwQ0M2IRee83 t8sATrBCTIO+g== 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 2D02583AEB; Fri, 22 Apr 2022 10:58:06 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1650617886; bh=KFwChLfCdUYlN8+eMAvOzXYwaD04XY7BBHatEF2HNyc=; h=From:To:Cc:Subject:Date:From; b=fnQE3FS6iWOR0sle+XBDK02toKzpe3CCLPg6zyXjlK3cci3OLuFSzc0Hzivn7KgyC gNWexpUh1MAQD9l8Xpm8Tl1pohVZqm5CltpQ0TcseEfCc0kCMom/w5owHTDA4wCBvG tYwzH3raDZDlvxR+wD0LxCd0Dlxj/NBI9giuamoiNmh/1/3FkZ+ED880CexWR+HNDL rFi8RIXA3ogYK3WiW3hw40C1j0ui605WJb5Jbzhmn8AERscdNJ9fgl+q3bIu2D6r45 IVGTDbZ+N/Cz6QrKu8CMHqfGmOOYWCl9cd7fpYQPr8a6PiZAB593+Ec5D+EJ7FpYgu 0ODsDdWbWUuPg== 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: Fri, 22 Apr 2022 10:57:53 +0200 Message-Id: <20220422085753.6095-1-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