From nobody Sun May 24 21:39:21 2026 Received: from AS8PR04CU009.outbound.protection.outlook.com (mail-westeuropeazon11011007.outbound.protection.outlook.com [52.101.70.7]) (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 55928384CF5; Thu, 21 May 2026 04:02:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.70.7 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779336180; cv=fail; b=G/2nfNvAArmMOn1O5u2yk73ATcULQLdVwRSXwbWXZc8DVuyrsflcZjIVpSuPIdLskSiQvhxHXD4wRG479B1UkjayBQMormVs4hGboaVZ3xzCH23DIu034VrQQLr+aA4iSfBCBchBG80CVVN2aFdbBbzigjlxRF5Fe5djGykZE8Q= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779336180; c=relaxed/simple; bh=4P21RHS1cRmS2gst9EAt/kIS5NP12dikh3CeRKQZ5CY=; h=From:Date:Subject:Content-Type:Message-Id:To:Cc:MIME-Version; b=N3nGO7QxPJvlKedfZPWDh0erKX54MRkQ8aEi5QTZA3dMYKqRG9yneW75dR3N28UzXtWgmz6hSfbs9dXg7OFY6z6e5E/bBXOGHeRSh/eBdy3A/q2MXGjloFzQxkkp3sl4TF8MCrg9LWJs4jc3kP/zag9HmAJZZfH869EGnvJxojA= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=oss.nxp.com; spf=pass smtp.mailfrom=oss.nxp.com; dkim=pass (2048-bit key) header.d=NXP1.onmicrosoft.com header.i=@NXP1.onmicrosoft.com header.b=wrJ5yFR6; arc=fail smtp.client-ip=52.101.70.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=oss.nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.nxp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=NXP1.onmicrosoft.com header.i=@NXP1.onmicrosoft.com header.b="wrJ5yFR6" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=URLSB6C1alPbInxGZ0BZsh1vsxdOHoeJlS/jqRn0jVRGPWndjiBHn96z6tm2eCVq4SoNaSWyHg7+C7DOE5rd8xCJWHKGn/H+R3TR6sV9MipgVET8YBpkaWnV3BuoPlPxmQfGJx0ZZqk4C/EJ7lJMZrHiJL82svL8Zle/890fLMOL7PcMVuoQ/35UI4ow6upgf8lL4vxxdWGjnhgF0X0U45dCUrVjnFDOHg6aQjHYX77c2ybkvRM0Eguwz1yMug7VmbC7pUNUCLJs7kpv47WcZos9NHI/STNe0IEJ0iy6JA0w/7aM374UguIPNO3+W4i24zcZ0Vz5ziJlUGgWbGAklA== 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=o0yEy+cqzHN1LcdeTV7Bzq8MzgxYdpiAZqhAanduywM=; b=jZBtHvJX7ZTBTfCiZcBszPHURtXlVg5c1mbPXM5y015YUyxZtN9ros9TDWbbMG+r+L2qZR5yruL6ZLZ60RE8BW4ron9ds6U9p/vq+2mRdEWm0/xsDATJWySBRUFwozt1b0GCYzaxiJdTFOdVWp4WRUoZH9GNABrWgEDiawtAtGTdZA0PZclkvoT60vlf2vvvhanEuTAswq/sY2V4jS3weaG1ft+eu66hBFCRNtKsSCemEJLcCrhbmrlIFH/bZtPXqkGl2lxixU5eA1Qx9ZvJ/8rogeQzGCVcNtorxzfszuBNLK7ud9n0GmMYZlpWce7sChM6ZN9RQ1Ryxyn2RH0tmA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oss.nxp.com; dmarc=pass action=none header.from=oss.nxp.com; dkim=pass header.d=oss.nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com; s=selector1-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=o0yEy+cqzHN1LcdeTV7Bzq8MzgxYdpiAZqhAanduywM=; b=wrJ5yFR6+50e43jmhNETpr4rH3mnhVQaBK4Hsuu6C5V3yEN02rjk6RUR3cfLze7hOoQzMVo4rBXVt9UWiq38pJJDhooJXRzT3CgI/K7Sg9+VQW88KT/9uE4/5IQQ42zvE4ly8/yZ9uK/nV8//eymvPq0G6TNBaY8LucxEBeVB4qZv1KxMmEUsNTpEKWYcphA3raWE16DsNyK5qtD0aR8Ch5TYVptsdVdJMQmWvPWOLpOeERPOBJq0BS5glxLeNv/NW3FV7ue94w7+Gb9JuoFvODEXWPV71Y6XjrOKQpGab/fqOupCOZRUNIFiuDyD5PNvO0/WtoETTWI5gpr1DGyYA== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=oss.nxp.com; Received: from MRWPR04MB12330.eurprd04.prod.outlook.com (2603:10a6:501:7f::23) by PA1PR04MB11531.eurprd04.prod.outlook.com (2603:10a6:102:4df::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.25.24; Thu, 21 May 2026 04:02:50 +0000 Received: from MRWPR04MB12330.eurprd04.prod.outlook.com ([fe80::ca22:f8c8:6aca:7889]) by MRWPR04MB12330.eurprd04.prod.outlook.com ([fe80::ca22:f8c8:6aca:7889%6]) with mapi id 15.21.0048.016; Thu, 21 May 2026 04:02:50 +0000 From: "Peng Fan (OSS)" Date: Thu, 21 May 2026 12:05:04 +0800 Subject: [PATCH] dt-bindings: dma: fsl-edma: add optional iommus property Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260521-edma-iommu-v1-1-6eec3f24c306@nxp.com> X-B4-Tracking: v=1; b=H4sIAG+EDmoC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDUyND3dSU3ETdzPzc3FLdZAMj01TDFCOL1KREJaCGgqLUtMwKsGHRsbW 1AKNxNXVcAAAA X-Change-ID: 20260521-edma-iommu-c025e1d28eba To: Frank Li , Vinod Koul , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Frank Li , imx@lists.linux.dev, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Peng Fan X-Mailer: b4 0.14.2 X-ClientProxiedBy: MA5PR01CA0096.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:1a8::8) To MRWPR04MB12330.eurprd04.prod.outlook.com (2603:10a6:501:7f::23) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MRWPR04MB12330:EE_|PA1PR04MB11531:EE_ X-MS-Office365-Filtering-Correlation-Id: 989b5f92-25b2-442c-50e0-08deb6edd37b X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|19092799006|376014|52116014|366016|1800799024|56012099003|18002099003|11063799006|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:MRWPR04MB12330.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(19092799006)(376014)(52116014)(366016)(1800799024)(56012099003)(18002099003)(11063799006)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?VC9lTFFzdGFjYmx0R1I1L3NVMURFNUtPSDg3bjdIblcxR0tpSitzaVZuZjZ2?= =?utf-8?B?elFZRmk0dWJwWWtIUy9UN2RFd09GYWl2MFpWR0VTb0d0UXRqbGY1SVpnZGt0?= =?utf-8?B?MjY0c1grUGhBSHppUTFhS2tqM0xGaDBOZTBvV043T0QzbFFaZjVzQlFSL0hQ?= =?utf-8?B?ZGt2NkoxU2hlR2VZc2RUaGk5ZnNBamxVSHp3dkI0TUJ3YWQ1cldaVTVUY2JH?= =?utf-8?B?YkZjVzZtYTRmdi9GN0ZDZzJqb1VPYWNVQmJpdGc3T0VMbG12RHRaZ2lKNFM1?= =?utf-8?B?czFyRUpka1RYN0lNaHFWbVJ6MkhQKzJtOW8xa1hhaFkweDZzWEF6QXZzM1Z3?= =?utf-8?B?WmNiMGdkMGp5NzVYQTlCUmhMVFlaYXkxNzUvQ2lOeWNhaE9mdUJpZDBDZHdN?= =?utf-8?B?MGhiVmU4U0VHaHhzWGFRVWwxSGdZUFVvd0ZjVGtZb1VkdjRqVFVCYWYxdGRs?= =?utf-8?B?MEhFd1hRZHZRV0M0aTdOMWdOT3ZoOXJpalNSN3pRclNjM3UzZTdKREZUdTgx?= =?utf-8?B?NyswYXptQjVYaUZXWlVTNnV5QklYSi9pQkJzRHBRTDBHVnowQTFBZnZINFcx?= =?utf-8?B?TUxOclZhOFZiaE5SblhTSk9CZUp2b3F2bFFzLzdXaExWT0V6cGdMa1d1TU41?= =?utf-8?B?TFlWWFJWVEYyMzJHdmxzMmVreXlIcjhaK0dnalFWb0IzNFJpbnV2d0kyaUR4?= =?utf-8?B?N3hWTEZWSzllYnBwM25COGpTQXRDK3VBRVYzYWRTNzRrTitWdWRQQXpIRFZF?= =?utf-8?B?M2x6QzN1OG9McjJ3TDlkZnFZbVFxVTYxTFA2RlFKeUhNYS9ycUIxYXBLZ2JZ?= =?utf-8?B?L1gveDdvWU16VFJpZDB2U3FlMEhuVGp5KzNKdmJ0encrQlNXRGFKQW1qcHkw?= =?utf-8?B?S0ZSaDhrWTZyMDcydnJ6Tk1DenFlVzBoalBoM1EyUVZTMW1nQTJRc1pTdWkw?= =?utf-8?B?T0hKQkxRcVdMc051eGhnRlR0RWExczRkbEV2QUVzTFA4b1hraVlabUViSmx2?= =?utf-8?B?ejFxZU5UN05rUnh3ZVlRWTV5ZG9tdWFOdTJNM2hVa25uK0Q4NDM3dDZ2bzk5?= =?utf-8?B?NVR3YzI3eEhvSlRqd25mWlFscHZQV095am1Nd3IwdFVtb0U2OFJiMGJiTmFN?= =?utf-8?B?cW1COUdCMzlZNHZQWTg1NVB1K1RsaFF3NGlQQ0Q4WURBQmRYeG83eXdBQjNW?= =?utf-8?B?bXptK3o0WEovbmt6bndwb3FWOVFNdHN3Nk5JQ2laSEhFcHY0bmxzUU0wNjdV?= =?utf-8?B?aE9UYmE0dGRmMzY2TTRDK3drK2NHVlFSdmpuMUx0SFl2Z3NmN1NaVUF4T2h6?= =?utf-8?B?SlNZWGdYM2FGNjZSK0VzMjNrRzgwTlhYVTRXM1NUMVRzcnErM0didWtPbER6?= =?utf-8?B?cTJnbi82NE5FZDZsZ2F0S1paWVowVElRbit6R1FmUmYwOHVjUEpoejROY0hZ?= =?utf-8?B?Yld1Ym9aMFlZMTZyc3JxSjFWQit0VzhVd1pHZ21xYnl4cFY1YWlSWmRsRGFZ?= =?utf-8?B?N3BYb1JQbk54bFhPZGY3bTBoejJrV2UxY0JQZkdGZHYxV0c4bVAzQUxXd1Vr?= =?utf-8?B?WWZZdnhiczZCbXppQ3FmbmNvUXhWOVdCV0VUL3hPbkhBOUtYY3JGb3k5T0Jq?= =?utf-8?B?Mjg2RjZRc0JMeE5hc1dnZHAyemNZdXVXMkt2OS9KZzJJK3J2Y3lFd0srZk9r?= =?utf-8?B?YVFqbURzRGlYS0EyZUZzdVhDQTZYQnpjeG8rbDlFS0ttZmZQanQ0Q213d3d5?= =?utf-8?B?WXNHQmtsR0RSVWtXSFBiYzIxWXFSK0tJcERkOWhkekNsdDNzRTlQVzJxeExl?= =?utf-8?B?ZG82VGZXTGtiWTJGSS9FWnZmcUlEOTRRWDdlZlkxK2ZZTmJ0QjdnaVI0ZXZM?= =?utf-8?B?Rzl6czM5NGN0L3JhVmxtM2VxRGJjeFZ5Z3RpSXYxZENud0xESmF4WFZFRlNx?= =?utf-8?B?QXJTQWxHVnIvcW5IQVU5WVhUb2VoTTc4MlcyUnF3a2xFdDk0NXZ2MVRtOEMv?= =?utf-8?B?c0ZQSVFVcnYxNUNmZU5ub2JEQ2VHMjBvbENHNjBTQTlLR0FoRStzVG9UTzhE?= =?utf-8?B?SGUzbkp0ZzdYZ1dITzNRZmdpQ0JDQldJVnlKdldXNURqUlZGcmUxMXFyUldZ?= =?utf-8?B?RTJXU2V3NWNBbkxCRDEzZjhLUndlMHZsbU5lRVpXekZNVDVySjJVVC9TRThs?= =?utf-8?B?enhQQm11eHRmMzBTMlZjRkd4ZDBCdTFIWHI5Q2l0OE5HUEJJL0UzaE9qRUpm?= =?utf-8?B?YVY2WHh4UnArdXVVU1FuVWZWaXhYZG1EcHBOYUhmRGJ3K29RZDRGRXI5MkNX?= =?utf-8?B?NUdEdWxpYWFheGdET3R5RmV4ZHpuU0E3eFl2UnRiVW9FL1ZQa1dLdz09?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 989b5f92-25b2-442c-50e0-08deb6edd37b X-MS-Exchange-CrossTenant-AuthSource: MRWPR04MB12330.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 May 2026 04:02:50.6094 (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: 6Hm9QHsY12cZ8BGwEyZk+zAhaLyN421OFXya5d1Nma9R7GT5yr/ZZRvT/d9sYmGCWAgi0rETlJdQ2xFE4qznmQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA1PR04MB11531 From: Peng Fan Add iommus property with each channel could use one IOMMU entry. i.MX95 supports max 64 channels, so set [minItems,maxItems] to [1,64]. Signed-off-by: Peng Fan --- Documentation/devicetree/bindings/dma/fsl,edma.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Document= ation/devicetree/bindings/dma/fsl,edma.yaml index fa4248e2f1b9cecd00f1535744bfe6d9ecdba613..bb8de804da53fdc47703f722f18= 453853742209d 100644 --- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml +++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml @@ -54,6 +54,11 @@ properties: minItems: 1 maxItems: 65 =20 + iommus: + minItems: 1 + maxItems: 64 + description: Up to 1 IOMMU entry per DMA channel. + "#dma-cells": description: | Specifies the number of cells needed to encode an DMA channel. --- base-commit: 687da68900cd1a46549f7d9430c7d40346cb86a0 change-id: 20260521-edma-iommu-c025e1d28eba Best regards, --=20 Peng Fan