From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from PA4PR04CU001.outbound.protection.outlook.com (mail-francecentralazon11013055.outbound.protection.outlook.com [40.107.162.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9217B305E19; Wed, 18 Feb 2026 16:42:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.162.55 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771432969; cv=fail; b=CoGLCRmlqooKcWt3Ed42KpmZLfvPLkNv3uD4xNNAQHrRL4qCKazBfbxy0/O7ozXDTInbavaa6Qf6fxKjefkHbgj9Ae54hPJ/vOCDI5tZCNgfl5vG4feUnFq8lLcs9GRfjOiudw6pU+/aCAhKkTDTN2X9de5QImK0tbOJ4od4eMY= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771432969; c=relaxed/simple; bh=mx0qGrgkL8TksteVZ8Ph8Dfna6II7KcSZ0b/uVJo9/U=; h=Date:From:To:Cc:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=dkdOn3CssvNz/i6dcHuwyW3BlFVYIQgg4MB5INnotvI1DdvOKlMcNtiuYHy6WrTDrEFRQ+iioC3P9OQMRd8t5Lgdyf8OHVXmxMr1w9eg39x71UTxt8NKRU3FCKg3tB0RgNPq7mbS011HefviOkYpWwxenLs6j46bk9m7xuUfJUE= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b=cw3v2/Bb; arc=fail smtp.client-ip=40.107.162.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b="cw3v2/Bb" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=WqYt3dCCs1TCbodbXYe9uoSzJmE9l48vPJ65rddP31Sgwa1OPIZdlB2hgnOc7TiX93X+H+78izbL3vYKqhlVO0ecdAgK3cZrnluPFvT7/Nk1OnEUr6bydaOplmTAwDfXtf32Tu1YyqR0tnZVpaz4FV/LfpmnMvljL/U1EAsVjvyYBvfyUUmXY0w0UfxGlNhnmrz500fREDRIB8EyZusMzfDV7q9AAudFfarutH5AB2S7QbacAzydSH2rlVEawQfJhZP8eJS4O2AjQsxiMpNcpnM7CFUuiaFuXPpYjDBUBBdztoIyQMLVU13WrrukqVfST0hv3D9LednvjpfnjY7zCw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=0BY3kZChyKKqhHu7RaS+5ggEOJh1rKnsuUXVXGFed4M=; b=UhD3k/kGxj9oxZKt7Ox1itjjZ39VqEaf1x66FPXc8dT5AqVQvPUr9lU72lmtgZNJWNg/GLPOPNqn6+SxJcJaiguV8t0RHKTNyLDKZ7t25rEgftnmGV3pUKg3H5b5scftFzLBkKidNjRfReOcadNJjzsNY6d6GAnc4xsvWTIpQNOZDIGGBzEwBQaVxvpCYvdv+J47yMU3Be3p7+YbMW0Yb4XJVzQAdsh8/0i7cBfAcH9MtyrXq0dPXJBwJw/Iuz6cbDPT2WVXRaJnvSsJXECGqU2NQMv8HERNKRbyCOiX7jHIE5FzkufqRR1nRR0qtWJYGMrwcKKCqLCCVDo0ZRUqTQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=0BY3kZChyKKqhHu7RaS+5ggEOJh1rKnsuUXVXGFed4M=; b=cw3v2/BbHvs87q9wOQ2DETL2G6jGIgcgtec82ZL1CTd0M4nN3hD/yQA00E8UMn81sA4uGoI3W++jLe3ltNycbmO0dPsBmRDiX8/jBBpDvdJnnRdiyoX7WaxYm/QicXDZf8rs3p5yE+mcBgI/qNzIk8BdRb3dpHeIN3KH5Q1OT3IY93B6f+ZGkVzeY0ErsAhCc+5WBMN9nIlaRNERrRpsz//Ou47eAaBWPuFGRcPZPlw4dz2+sENbMqWm+fWr2KYZah8MWNNjaM52zA7Nl5YbO2ZLzPQcvFOyg++euTqUlLyUpf14z71hfCw59ppDxh6MKgKnin6JYfiIzjuIY6fzyQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from PA4PR04MB9366.eurprd04.prod.outlook.com (2603:10a6:102:2a9::8) by AS8PR04MB8962.eurprd04.prod.outlook.com (2603:10a6:20b:42d::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9611.16; Wed, 18 Feb 2026 16:42:46 +0000 Received: from PA4PR04MB9366.eurprd04.prod.outlook.com ([fe80::75e4:8143:ddbc:6588]) by PA4PR04MB9366.eurprd04.prod.outlook.com ([fe80::75e4:8143:ddbc:6588%6]) with mapi id 15.20.9632.010; Wed, 18 Feb 2026 16:42:45 +0000 Date: Wed, 18 Feb 2026 11:42:38 -0500 From: Frank Li To: Alexander Feilke Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , linux@ew.tq-group.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] ARM: dts: imx7-mba7: disable boot_cfg pins after boot Message-ID: References: <20260218135415.204974-1-Alexander.Feilke@ew.tq-group.com> <20260218135415.204974-4-Alexander.Feilke@ew.tq-group.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260218135415.204974-4-Alexander.Feilke@ew.tq-group.com> X-ClientProxiedBy: PH8P220CA0032.NAMP220.PROD.OUTLOOK.COM (2603:10b6:510:348::10) To PA4PR04MB9366.eurprd04.prod.outlook.com (2603:10a6:102:2a9::8) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PA4PR04MB9366:EE_|AS8PR04MB8962:EE_ X-MS-Office365-Filtering-Correlation-Id: f29b27c4-bbd3-4e2c-a3ec-08de6f0cbe4c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|7416014|52116014|1800799024|19092799006|7053199007|38350700014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?Jq8Zyig7LoYgZCnGi5juohBys9uaN+GVh7h8TStC6pmQSpaiEduc3xOW/ntu?= =?us-ascii?Q?BnsUqTg3r/cMy+rmVvRf+VyyGdnRdGCiTuec2EIL8n7lmcDSo45bAlLtR55a?= =?us-ascii?Q?zRKX2TEdQCrhyrCOZ2BjWynJTJkEopQj+7G4IbPpt7LjVBOV1eV6w0IEHjKn?= =?us-ascii?Q?vVdPBsAKXFWWqE1zZXcthigTidFEzlmlbxm1lfdSBpeB9Cj9GH4wnBXr9w4a?= =?us-ascii?Q?2q9vRCzwJFIoD03ctNuoT+pHpc03T3Aq8PJuQfDMtotMaiXco4ll0/NJqItP?= =?us-ascii?Q?ZRKatFkzCMpNlz1rwRKb47eKuGejUawYlzkWroOxRJrJBizSNWr3WnS9XS+Y?= =?us-ascii?Q?rCQI/4hGiYPmi1+ArO8iGRmt9pA9+tcpheShPAUwTYdUEZOjSKqGjzY8KnxN?= =?us-ascii?Q?2Ljlegrc8nmbk7843Ut9ooLis64nFQJkWU/c8aNRovedmDGKwXvYdsFn/Wiu?= =?us-ascii?Q?sadshD9UBx5ae0AIn1s7LMpvJMxxfPriPQLIls8f/rugaJ4fuLY8fhE8Zd0W?= =?us-ascii?Q?awkFO1r/kv+Q6aX1Ac4ctTECy0I9c/gGte+JEk7lFSfqsZJ1QxW9beS2P2MQ?= =?us-ascii?Q?ljiM8ZUAms6NkD4mmzGECc1WMg+k4z3Xb0Uz3bZuc0zAPrl1GNueQk1CIMCC?= =?us-ascii?Q?DKKqRi1ILhNWhZpp0Fw554MSv7utsi2RSDRm4/3f7annoCODttcqGWyFAjAa?= =?us-ascii?Q?HGo/VjFsN4D3zuBdG+0Dagcp7sffwX4Y5bqc4+Ns8H4Ih5+0fNkOaXr5NSGG?= =?us-ascii?Q?fOrMc52+ftD4lJWnDZlafau7Ux8sAAUYmkEXa3rT5hdLEwdw957k9E0gI6Kp?= =?us-ascii?Q?TWS9+LEaDB7EGRF64HeFBqDSwHF88uSSltFGhI159vm/B9r7wMmChYh+JUsr?= =?us-ascii?Q?jY4ALz1H0JXjfuNrRo7d2p+uAqaSdduf2ReI3ec8zIC5AIjFa+EUDum6abn7?= =?us-ascii?Q?S877NiRjSjD/60sTB1Gjb9UQna7/f/IwPOG79Ddg5KCW6kolX/4KrpbBBn2+?= =?us-ascii?Q?MNdijX6BbDLRcv0HfctsthdDEuvurxQmGPG8OfSZm5D6zPex0a97xyADKPG9?= =?us-ascii?Q?ZssVfCAgVzNrzgKJXMqu16qZDg4aDAPrY7RpvSlhCuOqtRECfPh4CKze7g6o?= =?us-ascii?Q?OvG/leLfpJcA5S/+F5HtjX8uUUdCBZ2+69tsE+j5o81VVIcK4BpzHsit9mUS?= =?us-ascii?Q?3v9ojZbRafhJM2fETh47XuQOAupL1qDOnQknrRtnPKpeFZ3UD4NhBMS2LUP0?= =?us-ascii?Q?Y95mpQzy8WUzq6GXfkvvG42cKB3I7z9C8YOw3PkueaTblXUylJ1E4B9d5axC?= =?us-ascii?Q?uQMmcaaz5EjwnXgn9o0kr4THVuVDywwHNX7M94Exbghkc8PtW2XxsHQm9mtt?= =?us-ascii?Q?rnZ7eCj9BdFGKp4qRWLM+25m4vniUed7fXGOlzigeq4X773+UPOVKM2T7iRY?= =?us-ascii?Q?cz6LMj1DpqVuXopnS9jg77qOVFU4RPq+u0A5ailJ0XdwFkD0RpcRccE1P/7a?= =?us-ascii?Q?DaNPPoqAUUPnDQTxnccc6FhdvvEQHpzJhqYhmizgF4104/e5Dv86hhHhjjXe?= =?us-ascii?Q?yPdlOnkuHFei77VJDPPyS9cZZyoXeuARGVkVe5yfDOT7mtIiqVys9v07UBJs?= =?us-ascii?Q?CGigxqPPZWwnv3Ms4XHhLnY=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PA4PR04MB9366.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(376014)(7416014)(52116014)(1800799024)(19092799006)(7053199007)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Wul8PQtbr+zKWozv1UHYRHqhwqV6n6OIdjFss4srT/er255dY2n7r0anYDuX?= =?us-ascii?Q?G5YVZFjZU1bECoFuCUZUIi79YfFaDNUytRh8ShauAkaGWoQvrXXHGEIIzhML?= =?us-ascii?Q?PTBfY9oARUil6ZjlJ8mn7O9Oki135KA2Qw80u0+Mdoj5KdHAGj6n05BA4HJ1?= =?us-ascii?Q?679RZmDJpb3MfJRnnEceRLPZ89lp6XRnPSCa1IYwEE1QmQ8kElt30JmBLlW0?= =?us-ascii?Q?1+dx8gPBepEky9cr2+V+dbLCZfdFmBtojZNu34eYUSIYmY2Kir4I0H3mV+8g?= =?us-ascii?Q?WAsOcoGsDnKDlP9pqCJcsjAYiEOPyeTjOGGggfB/Lv7TaAC1JZDcAcyCQs/8?= =?us-ascii?Q?zyK4eNudwb04KJ4gbfMWWcVnZjHOXD0qF4yOpxCF5mGnSrWlbd9rS7imEdaG?= =?us-ascii?Q?DRbPsRlZYlwOT9MNrssLroS0uZa9N2Giv5Vu6BFiPUhRB1UAdHZzgNaClsYW?= =?us-ascii?Q?fcVe4DcfBGBXqEM4pIGfOaeE6YbiR6Jb7dvNismLBfwN+0euMw0810h+9aWT?= =?us-ascii?Q?sgM5Mxh8ELK+OLey7zlrqr7ATBS4tiSlURI6LcMFnu3LSuU5xhuh/4z1YLBR?= =?us-ascii?Q?RWLGf3bRBqPw7eqgUTgPE3JtBI7am6I6Fz3T4udUggH7a0SboGKb98NWL6SM?= =?us-ascii?Q?2NEITQFJcqpua2/vlu02d0QXsQiRrGxfMUlxVOqodAFQofHW9uR13fHIcdCz?= =?us-ascii?Q?Q8colOSZrQL5UDQouBsVz9Ojicz10496F0LjhxForjTpS0QtanaJ7HBC7e/O?= =?us-ascii?Q?syqnb/Y+LeaW+lMpRx0lAdYbcqnGFYmn1pT6uimbLyEBAo6oz/8iQVvw/MQy?= =?us-ascii?Q?ys2igjjrjcoZoPLWe6H1hhGS5H5j2BqQ2T0aRihATt56R9pOWTspc1lw7o5N?= =?us-ascii?Q?qX6ObIxOIWi7gHd/3OM26IXhQgH5qtt6iV45d4jeHspe37SoqtUy+KYeD7qZ?= =?us-ascii?Q?ZlvER3kSgK3I7hpvnZtQ3xQVoPENvAzsHF9sYEtOeOizUmISUI9cPv/kugeF?= =?us-ascii?Q?wVMaPRNXrM/w9ZiobGTfIzg8R0Qi4iEqn63xRCukviGNN0XQ9Hd+lTTD4jba?= =?us-ascii?Q?abdEQbOEH+QhT3aoCpZxuEcoQXgpIEbnGm+qLKDXmPysZgrJFPIZm21NcdYu?= =?us-ascii?Q?ss0dKX+rd3sTWTB269a113DM/pzCrzLJKCu+zZCzp5zmeAz1knE6oQxaJXwI?= =?us-ascii?Q?SqaEcjI0ayRInyJJ/fBhNRC4z7PtvrUtNaEViZFa/Uul/lBW+/B5fq0Ajnn4?= =?us-ascii?Q?66sNPoYsnAkwy5xOClwjn+yk82qKF2Iw/ISIKc7sCypXHQqkzmdFPUchvIC9?= =?us-ascii?Q?SYbZ2hvenVpbdTkIBCV48mXTgXDmJd0OYE25Hv6NF0XnxUSGsljUshEZRwub?= =?us-ascii?Q?8gc+VFm+7EIR3bsb8Gz8jHaPPqR/O1GrMtxb9ePPbhzew+c71nvAPDXgyZJO?= =?us-ascii?Q?vP1cRNxHIPPmZmZvU6Rw3DofTnKWC9g5bTdUQSCo6/Q+nahbuWQ7kATfsb69?= =?us-ascii?Q?CrsFokbew5LJpkOsOw7RrbTlmB4jrq6upgr0zdoKHvlY0xKhQD1OefgMXYKu?= =?us-ascii?Q?x/xUTqDS8HG1NQ5G31cawUdx1qkYNmKj+QElgmKFeP8Z7DTQtJ/hteJYhABr?= =?us-ascii?Q?jzNyfUkUuqGlBTQiIioKYfIGYxvhSt5Mk+YpwdKJWq93DDdpmAS0Dz5ZBMVf?= =?us-ascii?Q?8RW8HVIfYZzeiMBny5CSzkK59ZbVR9/3G/FfDWyOknkat+ykylaH/5KbJ9dj?= =?us-ascii?Q?tWPWo+KqhA=3D=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: f29b27c4-bbd3-4e2c-a3ec-08de6f0cbe4c X-MS-Exchange-CrossTenant-AuthSource: PA4PR04MB9366.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Feb 2026 16:42:45.8884 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: D9knLOI/JR3TsJhmXyTD56T+TWK6Bx9NU0tWRBD5rIHL9UXgq+QmfKNTavaU1Ax2vHt1CgYkspwVnufUluapkA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB8962 On Wed, Feb 18, 2026 at 02:54:14PM +0100, Alexander Feilke wrote: > The BOOT_CFG pins are located on the LCD bus on our starterkit. > Disable them after boot to separate those signals. Your comments is more clear. Is below commit massage better? ARM: dts: imx7-mba7: Deassert BOOT_EN to separate BOOT_CFG circuits after boot Deassert BOOT_EN after boot to separate BOOT_CFG circuits from LCD signals. Frank > > Signed-off-by: Alexander Feilke > --- > arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi > index 03f2f2cbdfbc..4192adb27223 100644 > --- a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi > +++ b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi > @@ -287,6 +287,15 @@ &flexcan2 { > status = "okay"; > }; > > +&gpio4 { > + /* Deassert BOOT_EN after boot to separate BOOT_CFG circuits from LCD signals */ > + boot-en-hog { > + gpio-hog; > + gpios = <3 GPIO_ACTIVE_LOW>; > + output-low; > + }; > +}; > + > &i2c1 { > lm75: temperature-sensor@49 { > compatible = "national,lm75a"; > -- > 2.43.0 >