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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0A42CC433EF for ; Tue, 26 Apr 2022 20:04:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=zXkDT28XnRqK6I3Ssq/mjlgh9MNnK3qE9FhHBBQjS4g=; b=E7w1CSOInI/seL EfVTZ3mbaTYDVjdwexyAWMjA+ZOVIdW2o+Z6LxlbEvqwLgkOFR9pbel+bBxa6sTHSQ1Yf5fh/3SuU 5/VyzLoMRryD39Nad9agiH2yUiTir9WDQfG0XdfNxAuy4nRU4pEwJo060gMsIxmstGlCnRG9cckln Dz+Hs1Kn3ULpCL/EtSsU4z6oLqfZ2lF2i2VozN/m2jaxlSAmutTQSSzzO3sovsacA+FaivRbeADpD DzSHor8jOjYWlzNPdpAZesbRItS1bcQzuij3T3CDGdRsnIQ/KgJp0jFQ9eVjfJaCulFsYKRDMnYNh YiXPcoovLBMlKRbDf6bg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1njRPX-00G1WL-W9; Tue, 26 Apr 2022 20:03:48 +0000 Received: from phobos.denx.de ([2a01:238:438b:c500:173d:9f52:ddab:ee01]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1njRPU-00G1VT-TE for linux-arm-kernel@lists.infradead.org; Tue, 26 Apr 2022 20:03:46 +0000 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 4825280138; Tue, 26 Apr 2022 22:03:43 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1651003423; bh=PNG/pztopZQC5jg+KpM3kniEdEa70SpkgsiZLQ2Dpa4=; h=From:To:Cc:Subject:Date:From; b=LSiQgH9xwSkkQ+KVf5ki6PsNOHfYohhlskOP9+U3WKvcuoKbzMqusn57dUlIp0Qiu pWZTSGOrDHu86gLKAWbkspkDMbGeLBl3kqY53+R2hbkHyT90N55HqsoEgJvuOAQdFj bZvJxjZXzWTiHP0tAlNo4moXywM1lk7pWB3H9ys+z8Y+atTPNYvqCnoiOKQqAFcpgc ldUtl9jjNA1mYPbKcXMBykwN6pNpS7+FVgLeFKbhB+lw6pF69057/zuL9QR2tlb4/K P9skXwisDCZ0L7iOVoQzysnsC+Sj8m9yWcCmp77pfJUqdUduyCfnl3n81XgtMcbUZr OnBSp0p6F6CnQ== From: Marek Vasut To: linux-arm-kernel@lists.infradead.org Cc: Marek Vasut , Fabio Estevam , Peng Fan , Shawn Guo , NXP Linux Team Subject: [PATCH] arm64: dts: imx8mm: Use 100 kHz I2C2 on Data Modul i.MX8M Mini eDM SBC Date: Tue, 26 Apr 2022 22:03:29 +0200 Message-Id: <20220426200329.252847-1-marex@denx.de> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220426_130345_129215_61124493 X-CRM114-Status: GOOD ( 12.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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. Fixes: 583f24ae42a07 ("arm64: dts: imx8mm: Add support for Data Modul i.MX8M Mini eDM SBC") Signed-off-by: Marek Vasut Cc: Fabio Estevam Cc: Peng Fan Cc: Shawn Guo Cc: NXP Linux Team To: linux-arm-kernel@lists.infradead.org --- arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts index b2d90b79f500..8c9dd09dbc74 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts @@ -392,7 +392,7 @@ ldo6_reg: LDO6 { &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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel