From nobody Fri Apr 3 01:28:25 2026 Received: from DB3PR0202CU003.outbound.protection.outlook.com (mail-northeuropeazon11010045.outbound.protection.outlook.com [52.101.84.45]) (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 15EEF3164BA; Wed, 25 Mar 2026 08:30:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.84.45 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774427453; cv=fail; b=bqxn7E5aZnoLYZ4MdsTHS54MCa1trKUA3MEBzQy+N6yigWXX3iKGjmOMKfRMx7DM102CLaBqw098Mk5n3OjE6Ujroa8VEMba35ksGuSIH5Vb9ZvrlY1uOJw0munHcl1OSKNMRRZdtmhtAwU6jc17vm+ZGSd21HmU47EOBx9icwE= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774427453; c=relaxed/simple; bh=BNyLAi6X3mz8LV/VxJIZQ4JjNUY6m3OEIWDipYW79cU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=tHV8klLk9s8NmU06gvfH3e9D3gpIRjZoPSch4Lm23DFA9S3zKcFJhUbnNSGiHubSPVtoizGFkmyhx/DZ9ZJ3JFwcLOqv4ZNwmG2ox4h8f8D1cjs+UL/UiQNxDfC6EAcC6nDfYTyXlUVyv1cxFCzCV8DYdG4kJPZwqadKfialLYs= 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=IpdGhf0I; arc=fail smtp.client-ip=52.101.84.45 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="IpdGhf0I" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=uqwn/pagXiZq9lvKXg7SezzNXtwD7I4HC/pXKx7gtaezY5VpL3kMg0nVfSvZORBIuaUnPPhnxyPze9AH8WFNNZN0m31bWTm9qRU1S/s/HsSdFd43TZl11XG6lBIBhP6RU4oC+nYTxVdLuE815eoWdKWpoMEHxPeJVq/DkYnefrXs2ryyIoTddyP3OqZjCkSFTVc26+yMUL9FKM8uqDcDhKKyveGtl51NgNdqGSW5mj5yRQI84MzvTf3GewIBB9WVkd8xcn2YS1CatQBPDlRG8E2PZwLry4zUSGR0RPDrPVq3QU75xTodcRwW1dZcFwLOzWr8lkVAXpr0wPd3aUkRlA== 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=jhva75X6EoYC9n8FHk9VI1Vo8eZvSZug9HGms7Mg4dM=; b=uEp8rhiwTwCbfbmmi01ejEKxFZftz/tU0JngZQGPggahih2irEWs7putxff9LcgOesccAzNha8h2lDYN5FcZHjo2ui2oerAvh2xWTCv1Xc7jCTr2yyFxRngSROsIC7r1quhTy0SfOOIZC5YEK1HJzXPZv4mlTtSDrlEoUx/qRBtubZQ3ZdwKBbfpU/iiwogBn1DJNI/AuvW2KGOsJ8Y8eLux6bNnKs7b0DDo1PJXwR6t2nYtzlsx+9cj0C0U9giUMhftZMiZlkdtBSnSTeLv5vmNzjL9+22lTQ1jjkBhdYguhDlHwoEOObyN6TQDqiaiProM50wzU/U/EFp6KktyQQ== 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=jhva75X6EoYC9n8FHk9VI1Vo8eZvSZug9HGms7Mg4dM=; b=IpdGhf0IU5ljoXZoWb6XG9w97WuS0u+rwA6xlb/+6zaV10cuY/egHOIB+PHt7k5atP4tMwvRxXGqUmiKBfMIGgXvr3DD5aRQHSBhlmvvB/Y9jEftmwvIiiSuI2auN9thoEEvL/jGhywxEU1VHFDnIT1vhO+5eRmE9pLLGVZLUBZXRYfEzegc9/qtKcN9SnYUDe8ukJWn+BwIJjESPLXIgWdvE6s/LLfQ7TC2zzB6TnDalUg6hHPV+ioH4d5xE8jWbkwpPqpY9rA+Z9flA1+yAANTkX8mfoha8W2oh2LqAWZ2o5Sy6iX+dgVR6ivhPdPBX3oSYa2kKEkmFHsv646uTw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from VI0PR04MB12114.eurprd04.prod.outlook.com (2603:10a6:800:315::13) by PA1PR04MB10723.eurprd04.prod.outlook.com (2603:10a6:102:491::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9745.20; Wed, 25 Mar 2026 08:30:44 +0000 Received: from VI0PR04MB12114.eurprd04.prod.outlook.com ([fe80::feda:fd0e:147f:f994]) by VI0PR04MB12114.eurprd04.prod.outlook.com ([fe80::feda:fd0e:147f:f994%5]) with mapi id 15.20.9745.019; Wed, 25 Mar 2026 08:30:44 +0000 From: Sherry Sun To: Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, hongxing.zhu@nxp.com Cc: imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V3 1/3] arm64: dts: imx8mp-evk: Disable PCIe bus in the default dts Date: Wed, 25 Mar 2026 16:31:59 +0800 Message-Id: <20260325083201.2637520-2-sherry.sun@nxp.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20260325083201.2637520-1-sherry.sun@nxp.com> References: <20260325083201.2637520-1-sherry.sun@nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: MA0PR01CA0096.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:af::12) To VI0PR04MB12114.eurprd04.prod.outlook.com (2603:10a6:800:315::13) 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: VI0PR04MB12114:EE_|PA1PR04MB10723:EE_ X-MS-Office365-Filtering-Correlation-Id: 7ded1945-77ac-4bd5-d2c1-08de8a48ce68 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|19092799006|376014|52116014|7416014|56012099003|22082099003|18002099003|38350700014; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VI0PR04MB12114.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(19092799006)(376014)(52116014)(7416014)(56012099003)(22082099003)(18002099003)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?ghncruKCllPsgZNV2sZQDaBgBZI0bQp+OPIzhgaiIVAh0jBrzD/73x37blVF?= =?us-ascii?Q?h9QTBGfmu3aNLpAB9EBvUv6dfg8L81T04y7jBLnm1Js5j1Kqh9n7Eia9fG1x?= =?us-ascii?Q?4GiK8Q5M88P+o7mw7C7IHGbD3VrpHJ2qQaW3ldsnYpLZ5dPvjPttuPh08ZHY?= =?us-ascii?Q?dl6nMnONv2k/OY46UIEp+rCUqP/yzK1zX0a0mDUoVGyPom5DNlvccx9fe+PR?= =?us-ascii?Q?3nCOAvBMAP82KBnRkk0Se+z1YxLFitO1uE/rnJRbnX8g8ejAQI3fMsPOb0gQ?= =?us-ascii?Q?/GlhQCg0DBhUxLOF0AIVB41s/O9KCI6lEmvc6/670bidoAtw/uFHe5xYPflE?= =?us-ascii?Q?ETEs5NIgWkPa49EBcL27R3HESGvTDmoan7fLE8I54fUn6Irkp27FACK3cXGY?= =?us-ascii?Q?Mt0Drx7awUdxpd8HmRZbu3njmoOUCTswyViPJlzrZOxdWW0y/OAGW+BqRIc6?= =?us-ascii?Q?/SwUGikmcfF8M7nJAGlLhk4ojAH4AGoBC8++pW5/X07u9zi8zYybm4uKiqd+?= =?us-ascii?Q?SI2WWXjgu9j977epg8AuP5fRGRvpSbl+ddnI2PuUg+2BYjHp6NF8wY1m1+vb?= =?us-ascii?Q?vS8s5SHDd/UeuKrgeT3ymaHMJux9xMRwo/nMjdY6fH6FdQnHu9C48obVYoMy?= =?us-ascii?Q?whf6ELScPB80YykNmQ9A1jNc1Yi7VJ7GcHoebGX0cRuXyn/T6FywB5TXG9jo?= =?us-ascii?Q?8ULbgnQvrUEO/G8gT6V8hjB4QLE690ViD79+K+94Xm2unK3TOYONr58t6rTy?= =?us-ascii?Q?5EEMBgTr7LTt5+IDOgzallR3/tufXAD+MWnsPyRFt7nsx6KXCE+RvPSxLv6o?= =?us-ascii?Q?4j489m2FCeM8TuAK2XEY/tKGyKIuI+oQ8Bov/lIC6K6RSiIJB31GvV9L/24U?= =?us-ascii?Q?uZ0VTUi4Ko+Nglkx4UTgo62rWj8hXEpw9sH7F9NLkVPtUD1VNpT23j7ZAsHW?= =?us-ascii?Q?9bd1GTyiJHI1Kv0oxkqT97Vr+8yZA/yy7usoxttEKK+0pF79VhfVSujgFdGE?= =?us-ascii?Q?oGK2ai2s6Rf117x+U/43kxC6ZpU6tmVAcKE40WRs64AKZqx2r+lTbdq1c+HC?= =?us-ascii?Q?2ZT4guKu8+uzBwrztcoihdqJYN6btiooEhNbanoWm/FJA2/+Q/FG0BkWxIbV?= =?us-ascii?Q?pVKaALPWVB1oUpTekjWPYBr2G29fxwJoZ/P83bEtElJKhqbnVhwaZaWmSZS2?= =?us-ascii?Q?lMQs4JV9ylappBncT/EDNTC7894CR50iCoyJy539na+RQ9NccOwTDMYr+LhO?= =?us-ascii?Q?pEVZFFyOoFCW8SlwrcMWGK95jCsunSE/uFOeM7xpdPNneWV/SVovblIhXtju?= =?us-ascii?Q?qlXFbwBKowoXm8dwrfAmYpj7c5mF73XCtUCJbsH0t62lVNY9PnUxYl0ESzls?= =?us-ascii?Q?ojUbH3lOqokxtMxN1tzMgSKWjhoF9HuPOMcgqFvfyPqmmX8X06SzaW0ezuss?= =?us-ascii?Q?eQZP7/UC0p2NixBjOHMzOB519o7apEe3cVf23khd0+nXnI4lAThP3zjuONFe?= =?us-ascii?Q?N9qYuI+1O4GbZsHT6aSo0ofS+i9zp0t4hsgGNs7cU9WKe3W8pydJsa83UBNi?= =?us-ascii?Q?DA1e5RV2Q523mvfetcot6Q+ie5k2trQQJCpy/oSN1Lkqyi0IE/F07Ivvz+IC?= =?us-ascii?Q?o62gzoz/eSv647cVh1BywByV1HUCF6sT65eZVID/eDTRdc3J1SWPYbZUiY1F?= =?us-ascii?Q?Iue7KUPg1YX3SyNUnA07f25O29QXdsUAfgvvGi5LiK5RP16Fiu1X3A38OTMQ?= =?us-ascii?Q?TUmJGwDHdg=3D=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7ded1945-77ac-4bd5-d2c1-08de8a48ce68 X-MS-Exchange-CrossTenant-AuthSource: VI0PR04MB12114.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Mar 2026 08:30:44.1058 (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: lVQfa9FjgxtThWI5nC5LEUHHqNVC5Kw8KfEf5Nt4XIUnAU4n+Pj1loj0itVsNHcs9jIlZ7zJ+mZDBIQG8lic8w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA1PR04MB10723 Content-Type: text/plain; charset="utf-8" Disable the PCIe bus in the default device tree to avoid shared regulator conflicts between SDIO and PCIe buses. The non-deterministic probe order between these two buses can break the PCIe initialization sequence, causing PCIe devices to fail detection intermittently. On i.MX8MP EVK board, the M.2 connector is physically wired to both USDHC1 and PCIe0, however the out-of-box module is SDIO IW612 WiFi, so enable the SDIO WiFi in the default imx8mp-evk.dts. Add 'm2_usdhc' label to USDHC1 to support device tree overlay for PCIe modules. Users who need PCIe can use imx8mp-evk-pcie.dtb (added in a follow-up patch) which applies an overlay to enable PCIe and disable USDHC1. Signed-off-by: Sherry Sun --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot= /dts/freescale/imx8mp-evk.dts index aedc09937716..315a4e1c5809 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -773,7 +773,7 @@ &pcie0 { vpcie-supply =3D <®_pcie0>; vpcie3v3aux-supply =3D <®_pcie0>; supports-clkreq; - status =3D "okay"; + status =3D "disabled"; }; =20 &pcie0_ep { @@ -869,7 +869,7 @@ &uart3 { status =3D "okay"; }; =20 -&usdhc1 { +m2_usdhc: &usdhc1 { pinctrl-names =3D "default", "state_100mhz", "state_200mhz"; pinctrl-0 =3D <&pinctrl_usdhc1>; pinctrl-1 =3D <&pinctrl_usdhc1_100mhz>; --=20 2.37.1 From nobody Fri Apr 3 01:28:25 2026 Received: from DB3PR0202CU003.outbound.protection.outlook.com (mail-northeuropeazon11010045.outbound.protection.outlook.com [52.101.84.45]) (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 467AC32E728; Wed, 25 Mar 2026 08:30:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.84.45 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774427459; cv=fail; b=jJjPLojSp8HNpXV2DuGs/4baYUH54Dc8/QOIXIdjZHswkivo+23nBH7HRyzCX+7hAic+Zml+9RMd6gy+fCVtD7ffLiPuwfeTH+tVzLzYY7Bh9fP697gVZOe6utaefH1q0rKlq6JTIQ5IAHn81Wvcvm70ZyIzns9PGp6Ty8mADAw= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774427459; c=relaxed/simple; bh=jMnf9//nHXWAQMeUbHPCv3hvp6HLrS5pSYkiA9AkxPs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=PDpN3FbTyX/s1jvp9dFk65y9Z66papb0LPjM4gFOiZCrdjHMIyZ9LSKngznDpy/ygxHbjCCzK6hNckyTXw9bAxWNBp3pzmdfkIUBNW1kUeJ0m2XhA2yJ6lipK8JGNBcHAmvcpLMS3DMKP9KfUmd01n77nE7PoYZ2pMcl6aEcbi4= 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=L24xP6Sn; arc=fail smtp.client-ip=52.101.84.45 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="L24xP6Sn" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=VyfX9xGe0/j3zqkiyzmyS2EocYmDom3GJrdbfYs6dsKPvwFLxKxjtu7YZ+VxHE0iJT21R82E46xBgPKaHIXbtmsFZRHj/f41TQbMG477/FahEzUUNanTLC1tClqEtj8QBPdGW7MYQcH7wGboO92fDZSmdD1fFw5n2M5J+6sTpuUVjaZAhCDw56hKdiCZDPGmjkLH3dyxd+YnpjMrOwn5GxooqZGPccft6qq0ZblZpGSoR6TeOhe+3El+Cg9VmjfsNZZ+2OfZhJMocJxkFGZU0Yy/ovtJHnYZ2c38wYk82nTIzj5WDBGN1c94L9xfRNWdw0dIBpjdM0NO/Y24N1PlLg== 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=tB/B5eCZzUOV15XNTpU2uQCMulu4NiL1JRANB4OUz/s=; b=H2Q3wTE6Zf7kClFvOfHAy/KNuBtHZP3adnMhfEKTwuzq9rNFv025qxan38cvszNxIilQLMtO7O9+VXtF/HDtZghKnPmHwytXA7aFCYkCK+OMk5kv7Zuags/acD2ppE9Aqz6YoFm5v45ci2YCMYb5s+d26jP2aJSk/13DrPYS0lD8nd6fcrAe6Ga8/xd/CGJhmeDNxTuFffwl3FXo2GA2zFuHQd2rzFQNFbErqHfnCEn+AhVQhD4r9+ugBcFgjL8eO7HThg3bTM7cpbrol2RpbQhwz7XwhpE83lysLaL3C80SXAm3opTtFYCjsjn83Qwh795PIWoiAxZyEG8I5zgU+Q== 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=tB/B5eCZzUOV15XNTpU2uQCMulu4NiL1JRANB4OUz/s=; b=L24xP6Sn2AkhUrqbKTn00B72ggulpt2zNeBE8kemELaMymopv5GwcSJPxzb7ADDonmGED1pZepEVPQDn19Uv/w6ob8Q7jD1BFmlECBlcNxeqXzVvBfmjdU2cGUvULz3PdCcCxe2/huFp1/wdttM8IgMP7pBx4iZ731BkGL94xS3jL/pusHHm6VHzsQxUIcI5m0JjOBCTLmNyG5rx8LHvyhD3OMAs79DCM9tmCHH84Ir6oc7csOjFMptk7oBjpNnWfpjmjHsFgrRvT95AUNSEqG0PBFn8pPC9tUgFhy1Jr7Hh2GVD4jC1AxHK+mR3QDbl6D86b6cmcbiYDYkO9c2cFw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from VI0PR04MB12114.eurprd04.prod.outlook.com (2603:10a6:800:315::13) by PA1PR04MB10723.eurprd04.prod.outlook.com (2603:10a6:102:491::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9745.20; Wed, 25 Mar 2026 08:30:49 +0000 Received: from VI0PR04MB12114.eurprd04.prod.outlook.com ([fe80::feda:fd0e:147f:f994]) by VI0PR04MB12114.eurprd04.prod.outlook.com ([fe80::feda:fd0e:147f:f994%5]) with mapi id 15.20.9745.019; Wed, 25 Mar 2026 08:30:49 +0000 From: Sherry Sun To: Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, hongxing.zhu@nxp.com Cc: imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V3 2/3] arm64: dts: imx95-15x15-evk: Disable PCIe bus in the default dts Date: Wed, 25 Mar 2026 16:32:00 +0800 Message-Id: <20260325083201.2637520-3-sherry.sun@nxp.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20260325083201.2637520-1-sherry.sun@nxp.com> References: <20260325083201.2637520-1-sherry.sun@nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: MA0PR01CA0096.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:af::12) To VI0PR04MB12114.eurprd04.prod.outlook.com (2603:10a6:800:315::13) 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: VI0PR04MB12114:EE_|PA1PR04MB10723:EE_ X-MS-Office365-Filtering-Correlation-Id: ce8a6742-5aba-4745-2131-08de8a48d181 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|19092799006|376014|52116014|7416014|56012099003|22082099003|18002099003|38350700014; X-Microsoft-Antispam-Message-Info: tQMpFp6OXLcvrrGrEn7Y2mB7O/3wwJlU8fDYeelRCtlRjjpT1IKZSeT7lMy8QbTO1iSd8wVG8p1ExGjS6jf3DeGc9snFMVx5xn5EFq8pW2tBWd+buOwJg3/Aosk3YqToNYi1TAWZQeD1RBN2Il3ryOaioY5E3ys2vpdwTCmNT78USB1naSabSlRQDLvacETTnVSXPw6QWy1lpR4BCa5EtVpYKNH8TYsOeqOcPL6OhwvfDdxRWZMUncGFo0okwSzZk+5XWs+kPJqc/IjA0jKBvhmiYTFCM31WAWqF6OY+47uFxRMtJBJ8cXr2XZzpDXD7SnkdmM/R4eGDuywsO7qCxQyrQrypVOFjoR8U/a0o2WgqBejaE5fl+c+bIflFKcJcyZfpI59iz/Uzn5MzctmR0INZ2OnxD1XgG5yAjOdDF7wBAhhrHCC9cSe/jL++NUFcq6xbTHrZEcAhqc128Q2wJ75FGNpnok9n/bXfopU06Fqv6HuDZCqyoUUVAMClbNY2j2rj92CGYNc8oPq+40/RiN8qIv4Ar4wdwG9VbAgra7bgNp84XIPz25ndWGl618c+JEpcdhWvkjKxEh3s+2lO6BGNjZr363DlY5g3SM/zUrnvyXK2OJX2BJ+V1tff5ORQLkrSdeyGEO/2dGSORjM9rXuGypx6FXX+yODv5e+Re47Vr42H3swd8d/XzNjNMeLJ0KgYxqlbKdZzR8jxe8k1zrn9KERW50SXPASw7FRiUPf9jLv4MmqUi92Yj79gig24iYtIYvvgrVvnt+R+kcCkMi17kR+NK1VtTJ3uj922uJM= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VI0PR04MB12114.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(19092799006)(376014)(52116014)(7416014)(56012099003)(22082099003)(18002099003)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?UQwRBPK+xUosDs/TgdQqQaKKtkTOWnc2OlsQtkBUAR/9ReJ4etNq3pO1UJ/h?= =?us-ascii?Q?tjV986ryP9FDeweMRsKJm7cOJd8G+1onPzvhs/JPQrK5nnbTlhGb0OMgufJy?= =?us-ascii?Q?9f5tEXiVwwX8YMRwQCn/wKiHqhng1ZV87kFxMGZbARkD1l0o5dT4ELegQM4+?= =?us-ascii?Q?huNuYA3cEaxKUh5o9dYLlEaEq83GuTn404mj0t5newDUUvaQGGES4US+DDTr?= =?us-ascii?Q?8v7cav+ELF5s8XmiXM8aJcQgtfKgX9/AbzWph8fVBFG7vrSZxGlRXW32IFvX?= =?us-ascii?Q?bJijaiEuoOrR+FpDih+uCs/CD3i6uUpZHmCsNaXNXJbYU9+MxK4WgVwruzrm?= =?us-ascii?Q?ULkRP4HMjUseSIxIGABo7VMRX5AfqWxBQ+6B/0Lo9csr6SVSV6vc67oz7uZK?= =?us-ascii?Q?FiuhI/rNsrGqdLaZRTICmsOjpeA3Q4anyGp6JyIahQDaDyjVAuIYMQ5MB2xS?= =?us-ascii?Q?zuKoqvXmzeKKIiKBk0aWLFU61bjhmnwZzm97RiTngAcCKS2plRWb0K/bTfbw?= =?us-ascii?Q?4l/BrXSB+rDlQd+FMXhzEX8nAcUfasuCBn2Q0Sq/6uadFNYzIh6lvF6dByhh?= =?us-ascii?Q?XZm6YwAYk6i+l205cevztkjI0nh9mSV89u2maSGI7ychG1WixWoXqVtPtNaM?= =?us-ascii?Q?pIotOrMp2Z5HXam7uKLW+GSlcRPrCdFS9R3nOychJtIL2nyDvxJ0Qz6DHVJL?= =?us-ascii?Q?6/XMulaQ8CXAiGMNotWpsWLH8/737ATovmJvNxodVP0W7gh9XCPqfnUJIGB+?= =?us-ascii?Q?em+uxDK931beqsS8V+ecJsalVMm3Hk52zmNdaV/igW/onTA8loJF8TjZDD/W?= =?us-ascii?Q?2awWZGz66Rzc6y+R7zqz6hDPZlxqCj7Ejo8Q/2Tsv2D7sifwi8lbVhiwG3ql?= =?us-ascii?Q?h0kIsidCe6Rr9hh4h+xPxQXPWSy/L0DV1lXd9jEq14bch4Rb/ry2/9mve8gB?= =?us-ascii?Q?Zsi+rXGFrUCUKh7jtgaU5CC5rJ9zTeUvQQoZHq8RSfwlPpQ2TrtrruRRay89?= =?us-ascii?Q?u7kPlgbw4UBeN2B1XiPIKNJh7QILlvL299+5tdxtiSPHzul218rF7kc3Inyq?= =?us-ascii?Q?pvBWI4NpmJHZv9IrIQWM9qSfC9LB5E4dCZ2kgOCV1Pb7VZkFu6dPiDg7Pdzl?= =?us-ascii?Q?B7TT9D4JvClPxmgZUbqBfyhK9WALwGN3Qg9kEzu3Bza4Yj/fVSmONXPHoD1u?= =?us-ascii?Q?0hQtseCqQi+AvYBD1gAS/ukLuJBucI/QStRMCGywMChQlKb+14sGGy68Ri40?= =?us-ascii?Q?Af8rVTDBeqsZmTi3YuByMyvJSIji/0PT9do17S4deovm4SDs43M7USBxaAg6?= =?us-ascii?Q?WTIgVUrEvToHixubNMDANcsDr18OeXr5Z1kaaquL6y2LHlB7/3vEbTFOv8rs?= =?us-ascii?Q?o0zknn+PAQ/PIkdovTqO9TmANowlo3GK7jwHpwgeHBQDRqgME7tPqphZBgT1?= =?us-ascii?Q?H4esl5zUH8P8zaFsqNx+5/LghzZyQKm01ADsU2W7oAx8rFRty5C0CIGa3wqA?= =?us-ascii?Q?Wlrf8dqiX1DpzDloRw/CrK5IyYpDDRhfQwv2SK2ogDZAmg4gQ0mmXKS90jzo?= =?us-ascii?Q?1OG0uSPFSXhJpgaobW76tqhyjJg9JD2E8R9nbHZk9H8KFtAXQQkp3QtPRk/Y?= =?us-ascii?Q?g5xBr2Xzyt0O1OUtI3juvcB9y6cYCzI9TlUTVlQfe2H/MfH5SCY96jBmvYvz?= =?us-ascii?Q?PkV/9N9h9CVksdxZ3/doq0FAlf9FsZxn6eEBgLlTAWg1sK0YzNiM+FdrGe/p?= =?us-ascii?Q?XFlza1GnsA=3D=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: ce8a6742-5aba-4745-2131-08de8a48d181 X-MS-Exchange-CrossTenant-AuthSource: VI0PR04MB12114.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Mar 2026 08:30:49.2397 (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: 9GVuk8LIPUd9RZnE5QjKrPs16AhGh2xtusVmMERxFKrLYxgnNRO83PgDNICVOWrGh9y4Tdsn2frTyhLLYuTRaA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA1PR04MB10723 Content-Type: text/plain; charset="utf-8" Disable the PCIe bus in the default device tree to avoid shared regulator conflicts between SDIO and PCIe buses. The non-deterministic probe order between these two buses can break the PCIe initialization sequence, causing PCIe devices to fail detection intermittently. On i.MX95-15x15 EVK board, the M.2 connector is physically wired to both USDHC3 and PCIe0, however the out-of-box module is SDIO IW612 WiFi, so enable SDIO WiFi in the default imx95-15x15-evk.dts. Add 'm2_usdhc' label to USDHC3 to support device tree overlay for PCIe modules. Users who need PCIe can use imx95-15x15-evk-pcie.dtb (added in a follow-up patch) which applies an overlay to enable PCIe and disable USDHC3. Signed-off-by: Sherry Sun --- arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64= /boot/dts/freescale/imx95-15x15-evk.dts index 7eb12e7d5014..e4649d7f9122 100644 --- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts @@ -557,7 +557,7 @@ &pcie0 { vpcie-supply =3D <®_m2_pwr>; vpcie3v3aux-supply =3D <®_m2_pwr>; supports-clkreq; - status =3D "okay"; + status =3D "disabled"; }; =20 &pcie0_ep { @@ -1137,7 +1137,7 @@ &usdhc2 { status =3D "okay"; }; =20 -&usdhc3 { +m2_usdhc: &usdhc3 { bus-width =3D <4>; keep-power-in-suspend; mmc-pwrseq =3D <&usdhc3_pwrseq>; --=20 2.37.1 From nobody Fri Apr 3 01:28:25 2026 Received: from DB3PR0202CU003.outbound.protection.outlook.com (mail-northeuropeazon11010045.outbound.protection.outlook.com [52.101.84.45]) (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 96C1D31F98F; Wed, 25 Mar 2026 08:31:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.84.45 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774427468; cv=fail; b=CdIz9MKzPk6YMuRAtwxVmJtcIM6Gfujo/56e7BmrCfHoEnD+AJCF7oX7tFT0WCvKeQ1by8/nQ+5Dk3bSDUml8254/r/jFY4P8MEOM0UJbdbdipPtc3OJ6+FsV2Sdde1EZPN2T5/WpU5RZ3GRJsNJYBVeA76p2RQPIl6FfbJccDU= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774427468; c=relaxed/simple; bh=+sPfkVQyfd3Ny0GvbGoeWgm0GJJqhXxM+M+J/BTjSTU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=jxtkvzRu7m56ocZd7oBSOmJrodnRYau/0dQI7iFyiscy2x9NW18PmewiadxVWSLvSA/Xjy+NHwi7ekRXctRvZWci3kWIp439SqTUoLcZ+wILFBH/Oi0yuhqkqb7E+xJSGquKMNuMcJyPyZ+0eZ5eEjmJTjcnJyb370uQra3BJm8= 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=JcGmZ66i; arc=fail smtp.client-ip=52.101.84.45 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="JcGmZ66i" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=hCINa4A4i7hGlqBvhlJfuv6dxPaHHP4mZ9VdNtHbZeqTrvbe1uqY+9EiODkikm7YcBxbVScxSTj+AmtgHQ3/WRnykmJpuAtJf8EVr0xOPzLxf5tEY3525/5C16XzcGcXN8DqR3eeDi+KkIAM9n/wPgyD1oVbCAtxOBHK1olsV5kAV2SsV/5JJh9aTyYbraB59jrdsk/PF82AcOFGEW7fg9g5xTziOWRH1RO/PR8wm6bs73MtG10zupRT27FjDhVWXR6hQBNNA+u8Ra81WmB8UkuhwE2r7OJElRVOQRt0jQ+h/xguMSrLgGzwpnKaKtMdU9E6iluLsiRvk8CqkZ0W2g== 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=7tpIuNL49vxVkGRVjROpUtwmDpr5SiEHLYPh6UFjMRU=; b=j9Xck0XlJSMWRKr3oxesFmdiuen/JhixYPWLAREnx5Cdg3/FyKciYx9Dp+ndU3VLL6BFm/NZcl4h7dkkc7smgUXJIKYYa+aCgEUVZwqUuLwuGExfSqvi9yph2CoQbZB3ImR09tX25Ev6godm75GgclvZGnOhWrsvoCUVhOPGuZd+agEcJjYx4x/eeqOd6ahzA8FbGGP5XwWIsuXQZAl+RQAtFcfWULLg2Zrk4ekJ01fW340BexNXRKCccMoueJp4jRJtCw2K8Jj3QWad1xVS9N5yj5cYcRSl0RzbzS7gfUCYyzBhVKhvd1Vr3h/d3RLO7JeL0Qy/l6o+EqXnQbrtrg== 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=7tpIuNL49vxVkGRVjROpUtwmDpr5SiEHLYPh6UFjMRU=; b=JcGmZ66ile12GLpNUvp5bqOM1FhD9XZBxFqpTI9rfR3ovLMWLVb6T09YAz0A2HlCSHvOiXJNGTC/fPDkka/ZYGBzjTspw34HOro7lm1Pi3M6+H/1zScyoK4Q7xdJjT0gAhu543MOUqi7MxbY3IoDj6ALFKHQqD0t/UFFF6W2HpLD0i1We2cmSuxyhGiIJ/aysjYoExhqS5YSSrONLmVav809C4NqjhSDSyCPAzlXBxuU3uJnbkkcr2xRB3/urZ9XJSLl47qtGy39eDcGZPyJCg0BgH+8cxHiRKc9QmyT5Ey7ewVVC+Mpt6AuO5R7AhwxwOmh9lK8vTKJGeSzrPq0WQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from VI0PR04MB12114.eurprd04.prod.outlook.com (2603:10a6:800:315::13) by PA1PR04MB10723.eurprd04.prod.outlook.com (2603:10a6:102:491::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9745.20; Wed, 25 Mar 2026 08:30:54 +0000 Received: from VI0PR04MB12114.eurprd04.prod.outlook.com ([fe80::feda:fd0e:147f:f994]) by VI0PR04MB12114.eurprd04.prod.outlook.com ([fe80::feda:fd0e:147f:f994%5]) with mapi id 15.20.9745.019; Wed, 25 Mar 2026 08:30:54 +0000 From: Sherry Sun To: Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, hongxing.zhu@nxp.com Cc: imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V3 3/3] arm64: dts: imx: Add common imx-m2-pcie.dtso to enable PCIe on M.2 connector Date: Wed, 25 Mar 2026 16:32:01 +0800 Message-Id: <20260325083201.2637520-4-sherry.sun@nxp.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20260325083201.2637520-1-sherry.sun@nxp.com> References: <20260325083201.2637520-1-sherry.sun@nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: MA0PR01CA0096.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:af::12) To VI0PR04MB12114.eurprd04.prod.outlook.com (2603:10a6:800:315::13) 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: VI0PR04MB12114:EE_|PA1PR04MB10723:EE_ X-MS-Office365-Filtering-Correlation-Id: 48b31b8a-b52e-45fe-a9a8-08de8a48d4e3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|19092799006|376014|52116014|7416014|56012099003|22082099003|18002099003|38350700014; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VI0PR04MB12114.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(19092799006)(376014)(52116014)(7416014)(56012099003)(22082099003)(18002099003)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?AQRFP5myzg/9QQJ8/ARVcAZuTZ+MXBGztDFhcrTvbWbDGPNdgzusIKLNnhmf?= =?us-ascii?Q?QWqVqAScjSnpL9KVzsKWEuit2J6Mo/cwqul1EL82s6WbfOhZ80FhgJee8XLg?= =?us-ascii?Q?L3DH2seD8N/TWaY7K5XDnlINrtd3yzAkYVA3+yQJBZUb9EvvvmXEviRJpHS6?= =?us-ascii?Q?MCgTYhz77cMpUdcB7/B4TeuJ6EJ6CZSkiblgsIr+ev+SMIX2UetU196DPD0X?= =?us-ascii?Q?Ia1aw9/xkzYXqCODFmXk0E74riQuPtAg3Srp0yBY2OTQ/15WPtu47/FiMoJm?= =?us-ascii?Q?PBSrFk3yi+B4IBOpoYbfoSsmX2MCH6YCksnVMWlD8t2otpgSDCxOK+CtLcNS?= =?us-ascii?Q?a0DwI1gYUNeBbj5qKBN1eezct/EUS4Yhw3URjU8g02CqRgxCMOie0/b8MHOQ?= =?us-ascii?Q?PZWs9wRHiRR6KrYwEUOJBJNoiwT1PoNA1ENDQ5wJ4UAjingr/21Gygr3yo5Y?= =?us-ascii?Q?1QsjfaxN949dZWPuVVUGpzDtGQ/IavS7TgCasJSwO7vBVXnEG71dBI16UVgA?= =?us-ascii?Q?O5chQ7x4NeFmlXkx/h5c3zoPRE9+DEmyUkKWjXGcbOJLg9MAZOHeN3zuEvov?= =?us-ascii?Q?UTsS6uinA9vc28iUS5mKNr5wVluoJqFGT1B/Imgc4kbagnnNcnpodtWbcl1h?= =?us-ascii?Q?uvNO+e3sBi0+F6i4Fc6Prgi6koX9DJk3LXllqkbC1JGoiqGzbtsStuPoPjxE?= =?us-ascii?Q?V30xxhjOcd2wiVMGHbXwsjxiROMkInecK2cSiXOvtEM3v+3siVQ2nruV1r3W?= =?us-ascii?Q?FHFR5jdrrVHMhknKfIaEvLLp83zwn7LvEL7JFNIjt4nv6NojcnekyuauON7k?= =?us-ascii?Q?Oo/yzN7HiVEX+3JcuXG9A2/eXajuidK9BUpXvi7TBBdK70+IhiV0lWOBjs8f?= =?us-ascii?Q?OtukQLSrel4j2vXX15f8qvPJucRjEa+/AGDmyzI8WZSitC/eh3XFkOhKWiP7?= =?us-ascii?Q?2o1mB3Yp6SMqYFwViZ7gA8O8482fRv9kfiYg8idcPCc0+ugrlrQSEsRH8imB?= =?us-ascii?Q?VuAlA4kxrdIFiApebSLXdzVGoKapVbAZ/FKzqXySYVRKxKGQlHN1dS6thWlo?= =?us-ascii?Q?uTTZyc2jx6jjWX+9DbRGOf237PdLvc9DEVPCxCI3BeTzygv4ql9ANPyi/3t6?= =?us-ascii?Q?0mET2b1OK3LZzT5CIzA5gkr+sxPcyanpcOMjeXG81S+Ntcd1cfdbR5QBDmPg?= =?us-ascii?Q?9Y7g31v2pIEGgZWY7u/FkyDPMQmF/RGVOgq1OfvjCPGTfzHqrZrEnk+p6FAh?= =?us-ascii?Q?OlP3jkOEGcoMo+NbCJk4fc0v5O0SQ5lbLpf2WLPoV9pEFbhNf4sO+GgJeXNb?= =?us-ascii?Q?A0amYSYkJD3wPdwu+kV21aYkSo/J++ieAI57JD1sEFAm45z9vBhS9xBIZVfn?= =?us-ascii?Q?nIx+7mC2e73xwnhacN0HvTbduqS93UFjRjuszekLvMQFpU+p1x6JYfdaRcIu?= =?us-ascii?Q?5t+6gKJsFJCYDccKWq/bglo073hcgXpZYk/5ZcifTBavk229WtMzyDcVMh5y?= =?us-ascii?Q?kWXZ/4YMrhmr6rvYZr26V4tnlXjHlcEY8zXsU4q8lXAA6eDAPlYSl1PcF6M2?= =?us-ascii?Q?tgUJRhrBNCEKj2U1c+t4xchy3+Bjx1LrYajsT4dZMc1+yfG8ZU91eEz1EQr+?= =?us-ascii?Q?Knc0iO49fQSi7HYyCOHDbrdl8zp/edpK0tb5UVIJH/vt3oHv9FrxRZJM/4LR?= =?us-ascii?Q?etqnjFk7kpscJX072K5+VwQ3VTakImpCY8hl2yLN9Yu+LQnPRagaatu0y0P8?= =?us-ascii?Q?bmy6ix5UsA=3D=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 48b31b8a-b52e-45fe-a9a8-08de8a48d4e3 X-MS-Exchange-CrossTenant-AuthSource: VI0PR04MB12114.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Mar 2026 08:30:54.8416 (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: YPDZs/vTcjvOVkUs5E3+flcHmSlQ4NOVki14e167fH9yQ7hFRSQJg9JWwAEMpjudxC667TcF0rV/cGASVDjC1g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA1PR04MB10723 Content-Type: text/plain; charset="utf-8" Some i.MX boards (i.MX8MP EVK and i.MX95-15x15 EVK) have M.2 connectors that are physically wired to both USDHC and PCIe controllers. The default device tree enables USDHC for SDIO WiFi modules and disables PCIe to avoid regulator conflicts. Add a common imx-m2-pcie.dtso that can be applied to enable PCIe and disable USDHC when a PCIe module is installed in the M.2 connector. This creates the following DTB files: - imx8mp-evk-pcie.dtb: i.MX8MP EVK with PCIe enabled - imx95-15x15-evk-pcie.dtb: i.MX95-15x15 EVK with PCIe enabled Signed-off-by: Sherry Sun --- arch/arm64/boot/dts/freescale/Makefile | 9 +++++++-- arch/arm64/boot/dts/freescale/imx-m2-pcie.dtso | 15 +++++++++++++++ 2 files changed, 22 insertions(+), 2 deletions(-) create mode 100644 arch/arm64/boot/dts/freescale/imx-m2-pcie.dtso diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/f= reescale/Makefile index 155213c45319..1f542324b4fc 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -333,12 +333,14 @@ imx8mp-evk-lvds0-imx-lvds-hdmi-dtbs +=3D imx8mp-evk.d= tb imx8mp-evk-lvds0-imx-lvds- imx8mp-evk-lvds1-imx-dlvds-hdmi-channel0-dtbs +=3D imx8mp-evk.dtb imx8mp-e= vk-lvds1-imx-dlvds-hdmi-channel0.dtbo imx8mp-evk-lvds1-imx-lvds-hdmi-dtbs +=3D imx8mp-evk.dtb imx8mp-evk-lvds1-i= mx-lvds-hdmi.dtbo imx8mp-evk-mx8-dlvds-lcd1-dtbs +=3D imx8mp-evk.dtb imx8mp-evk-mx8-dlvds-lc= d1.dtbo -imx8mp-evk-pcie-ep-dtbs +=3D imx8mp-evk.dtb imx-pcie0-ep.dtbo +imx8mp-evk-pcie-dtbs +=3D imx8mp-evk.dtb imx-m2-pcie.dtbo +imx8mp-evk-pcie-ep-dtbs +=3D imx8mp-evk-pcie.dtb imx-pcie0-ep.dtbo dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-evk-lvds0-imx-dlvds-hdmi-channel0.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-evk-lvds0-imx-lvds-hdmi.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-evk-lvds1-imx-dlvds-hdmi-channel0.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-evk-lvds1-imx-lvds-hdmi.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-evk-mx8-dlvds-lcd1.dtb +dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-evk-pcie.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx8mp-evk-pcie-ep.dtb =20 imx8mp-tqma8mpql-mba8mpxl-lvds-tm070jvhg33-dtbs +=3D imx8mp-tqma8mpql-mba8= mpxl.dtb imx8mp-tqma8mpql-mba8mpxl-lvds-tm070jvhg33.dtbo @@ -481,7 +483,10 @@ dtb-$(CONFIG_ARCH_MXC) +=3D imx95-19x19-evk-sof.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx95-toradex-smarc-dev.dtb dtb-$(CONFIG_ARCH_MXC) +=3D imx95-tqma9596sa-mb-smarc-2.dtb =20 -imx95-15x15-evk-pcie0-ep-dtbs =3D imx95-15x15-evk.dtb imx-pcie0-ep.dtbo +imx95-15x15-evk-pcie-dtbs +=3D imx95-15x15-evk.dtb imx-m2-pcie.dtbo +dtb-$(CONFIG_ARCH_MXC) +=3D imx95-15x15-evk-pcie.dtb + +imx95-15x15-evk-pcie0-ep-dtbs =3D imx95-15x15-evk-pcie.dtb imx-pcie0-ep.dt= bo dtb-$(CONFIG_ARCH_MXC) +=3D imx95-15x15-evk-pcie0-ep.dtb imx95-19x19-evk-pcie0-ep-dtbs +=3D imx95-19x19-evk.dtb imx-pcie0-ep.dtbo imx95-19x19-evk-pcie1-ep-dtbs +=3D imx95-19x19-evk.dtb imx-pcie1-ep.dtbo diff --git a/arch/arm64/boot/dts/freescale/imx-m2-pcie.dtso b/arch/arm64/bo= ot/dts/freescale/imx-m2-pcie.dtso new file mode 100644 index 000000000000..1930de058a08 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx-m2-pcie.dtso @@ -0,0 +1,15 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2026 NXP + */ + +/dts-v1/; +/plugin/; + +&pcie0 { + status =3D "okay"; +}; + +&m2_usdhc { + status =3D "disabled"; +}; --=20 2.37.1