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 5CB7EC61DFD for ; Wed, 2 Sep 2026 06:39:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version:Cc:To: In-Reply-To:References:Message-Id:Content-Transfer-Encoding:Content-Type: Subject:Date:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=6rHFjSqf+6DCLeGgGMXnp2u+e8Dc03oxwYB+p+SScKQ=; b=2tXvtMkTVHyAekBDJ0b+I0PhSa UE2gPIoUoBlM3al4ebEMItmzZQvUkSDcmhaJkhxIO4Cf8fOEAHZcnHA7lP2uIJR0D6jy1rLaxVkDQ XIvNQoqJLBA1WfiJU3GeGf+nNFriNzToy1vAxfC/ZSuDRnpW4ZgBpOzuNWXDVMuzzrQ6H0cZoKOGs oQOKIiMuLxNUa21R5rSTau3d/3l6RjKW2V0gd3yjItNyFZbd2bWWFOKlA43i64YKr/LKAWx0vXsy1 Ox3rQSl/vLzTL6y/5bxT1jxbaoDpaq5P5SKSpBGVyrBeXyTrDVY9MxcWBTxDOrTnBrvpWEtVMd+Mf eiPdg2Yw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x1ecl-0000000DrwF-2oWz; Wed, 02 Sep 2026 06:39:07 +0000 Received: from mail-westeuropeazon11013036.outbound.protection.outlook.com ([52.101.72.36] helo=AM0PR02CU008.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x1ecj-0000000DruA-2ej5 for linux-arm-kernel@lists.infradead.org; Wed, 02 Sep 2026 06:39:06 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=WExw6XdALFCi0IZbQjn1+hAhOINKbBapidtcng1W4dSlyWAfr+isYGjekMe69aJOZ9CcYnp4yCfBMC/S90Kle6bisf2+YLucebMqZiyOavcXaCY2MGiWZ3a812iJXzoZSaDNwreQpwcbd8BWC9YKAguCtmwsEUwejZO5Nq7d/O2U8SNl5k76YoDHTowN1b5IZmUpASSeD/EeGxMNy7YhZDPBzj3v6KLLnsZg9UxKP7yFykx+dxJLG+ppMEIWkdR8g9Ch6tjMc610+phrgkRTxPJj9TwF6gi7SUA0jJJuyWB4KI6tshR8GslqRCCy+2BvwGiG9YgTPPstgr5+ir5Z3Q== 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=6rHFjSqf+6DCLeGgGMXnp2u+e8Dc03oxwYB+p+SScKQ=; b=fF3oJFY4qyP+60YdwyTZxaiugEhGwFalJ3UJ8eftFD4UH0JhfEGyY9q6AafzRm2o+NViRiVcBSq67UOfcNs10J4JNlPJhpXPCaiV7C/+x/dDBajCAUiBINpAujfIpnTh5nqG1LTrJlt+OtyEeHmfbVyhn89fcx2qXUu904eXMaV1sOrJjFy8SI564lhCNSAVJ4Klc9/S64Hy02d2GLN4379kJPUxsV+l+652ydrzcESnJpmx5OiOuu0gTUhGlmmmzm2G9CGtyQMe71WDzQqa+n3XwhUsZoBID+4MyM/Vezu7y8HUdg4876FZAuaUf3O0dc3AU0YG7OcglCk5MbqHqA== 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=6rHFjSqf+6DCLeGgGMXnp2u+e8Dc03oxwYB+p+SScKQ=; b=JKHcW3hcgQpTdBjNRNEJ9g2Ekx0Z1/NRY4D0xetR06DE/Xotc0lvjltumFEMGzTshPFtBTTP+MvC4rbVOob2LuplvTsgaoZAMErrtUm0YXVHszPSCsciivrZMDwzRvzOjb5VjlvP3L6dKXaZfszOUkwxmD8K5APUx+oZjGMzUJW6dCnY5ewjaUKNZO8O4MncF2/AY99C0XtIh4AVs9KqMarHp75SgMWVN2Mu9ImROmYATdwoinfb1Rb1R0ib86TLQ5zIee4aQSl8yN3/CUGC6DaDeGYFP0UHpHRxMtGHKivBJxjCmmzcuwG0PTDFKljGrXbobnNYFGMK4ae/4SbBuA== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=oss.nxp.com; Received: from AM9PR04MB8469.eurprd04.prod.outlook.com (2603:10a6:20b:414::15) by AM7PR04MB6840.eurprd04.prod.outlook.com (2603:10a6:20b:10f::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.360.13; Wed, 2 Sep 2026 06:39:03 +0000 Received: from AM9PR04MB8469.eurprd04.prod.outlook.com ([fe80::1f31:d3d0:6150:b49c]) by AM9PR04MB8469.eurprd04.prod.outlook.com ([fe80::1f31:d3d0:6150:b49c%3]) with mapi id 15.21.0360.008; Wed, 2 Sep 2026 06:39:03 +0000 From: pankaj.gupta@oss.nxp.com Date: Wed, 02 Sep 2026 17:38:54 +0530 Subject: [PATCH v44 2/7] dt-bindings: arm: fsl: add imx-se-fw binding doc Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260902-imx-se-if-v44-2-104658bf941a@nxp.com> References: <20260902-imx-se-if-v44-0-104658bf941a@nxp.com> In-Reply-To: <20260902-imx-se-if-v44-0-104658bf941a@nxp.com> To: Jonathan Corbet , Shuah Khan , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Pankaj Gupta , Randy Dunlap Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1788350933; l=3245; i=pankaj.gupta@nxp.com; s=20260817; h=from:subject:message-id; bh=T+yyPOpdxzPdIuNJ+imfCdmSEVDwuOuBb/dhiIQRNpY=; b=zG+5ZCLVQlAW574Nai0nDh7uJqjHHvIksCx0FkRSoxPlI6xqsSqMqNXbdiN9WtJj62D5T0N29 IwbqjSrn3khCM5urYRI9BAR5AfBA0zkhmbCoX3SXfLDTE855d3s3p2j X-Developer-Key: i=pankaj.gupta@nxp.com; a=ed25519; pk=g4ZgzIWbpXnSxRsoH+l6PWLP78a+Mzpl8e6RQe74d5Y= X-ClientProxiedBy: SI3PR02CA0005.apcprd02.prod.outlook.com (2603:1096:4:295::7) To AM9PR04MB8469.eurprd04.prod.outlook.com (2603:10a6:20b:414::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM9PR04MB8469:EE_|AM7PR04MB6840:EE_ X-MS-Office365-Filtering-Correlation-Id: 77cf3529-771b-4902-bada-08df08bce0c0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|376014|19092799006|23010399003|366016|56012099006|11063799006|6133799003|10067099003|3023799007|22082099003|18002099003|921020; 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:AM9PR04MB8469.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(7416014)(376014)(19092799006)(23010399003)(366016)(56012099006)(11063799006)(6133799003)(10067099003)(3023799007)(22082099003)(18002099003)(921020);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?QlpSZy9ob2FWQWp6SU04N1E2NzQrc2IyemNtVjZKZUdpb3lNWTZKek4zeTFi?= =?utf-8?B?OFBRZ1FSNUpFK05ZMld2ZUhSbHJyOEc1M2FybE5VaGxZQVVBNHNNN3RRSkpB?= =?utf-8?B?dnlGdGxQRjhJOGhGeVlsdmtheXNQWkRCNDZZdjNGRnJuMVdUUU5rWGJmck1Y?= =?utf-8?B?Vml4UnU4R0FQMWM0K1FTS1JXMXVrR1pJYndwMTRzeVlmQ29MdlBDdUJ5RkVm?= =?utf-8?B?ZS82YmxyblV6ZlpkTWVra1NUVFpDUFJydC8yVFg3eXc0MmRXK25BWHppTU1s?= =?utf-8?B?em54ZzgvT3lsMGdsZmdkNkIyRXFGKysyejVkRFM1RUFtOTZRdDJpWDVuZHUv?= =?utf-8?B?a2EvayswYmZYdWpPNUtQbnJvRm8rMnZVMSs0OE9pY1lPOXVuQS9wTGUxL0Vm?= =?utf-8?B?YVArYWRjZ2p1bS9nOVE5UENzVlJNNzVJQjNqYUFGV29UdnVoeXZGVzB2RTY0?= =?utf-8?B?aHByeG82QUJrN1p5QkxkYmFmcVdCYnRybXhqRnNBNUZobUdXN2VWSTVuS0U3?= =?utf-8?B?L2R3ZjBTYmpZVzNEOFlya2RUNnVCZUl5TkVBbVlnYlNJS0k4a25LVEVXUGlO?= =?utf-8?B?YkZoSVZPajExeldwMmZwNGpycjVIL1FZVnFDOFRxa1gyU2ZFSHgwUk85MmFy?= =?utf-8?B?Ym9VVG1SMXJoYjhuQUFKRXBSL3VPRTh0OGNZbzZWSXVHRmc1WnNJWFdHUWh3?= =?utf-8?B?K1FMWkt2elkzaktvaStVSkxFOENzeEZES2Y0MTE4L0ZoNTlpcGVYMk9DU1lp?= =?utf-8?B?SnRUYVF2a1lKY05adkxkT1J6SzRuc1JzS3dweG9EY0EyTEh2aFkwblFKTUht?= =?utf-8?B?Zm5EUFk5K00zSVl5YVNWbUFWbjNQaUh4c0VHTno4T1dGR2lUSTg5VUVMZU0v?= =?utf-8?B?VVZPYVlMb0VXM2xtYldadUQxTHUvL3hBUXdtZXJjTkkzU3B5NUUycThrSnZC?= =?utf-8?B?NGZhWEVxbVoyWFFPOHB2Z3NzVU1sb081cUJuV0pJTWM3cUVsclRJREg2dVRU?= =?utf-8?B?OG0zdUhodHRUQlZ5NUJ3S24wOU9uNkdxTlpkc2ZDWTNpaFc3K2JpZU1UOU45?= =?utf-8?B?NWNpYXlFUG5WV20vRGsxZUhCVGcybG1pME1KR3FpRkF2ZXhYM0RWNWFjTGNY?= =?utf-8?B?RHdBS1BjaDBsNnNqVFRDak1SV0hTdEVZWERMZUdUSFBNU2ZEZlQzYS9zU3k5?= =?utf-8?B?VE9yN1EzZjlidnFhM3lML2d2Y3pydDhoK3hUV3RFN29kWW9yYWFuM05YR1Ir?= =?utf-8?B?SjNTcTBYRGxkZUFsck9TSGQ5NzB5bUptNU5SZ0xUOTBYalZCZEcvaWtOQ0FC?= =?utf-8?B?ZVVzU3RNWXFhQVpQSlN2V1hyMjQxbzVrOXFXVVgrSU85dGt4L1YzWTZKUnVa?= =?utf-8?B?UTVkQVZSOW9sbXMxS3BydGx4bXBTdFdLTHdSTEtwWGhsNUQrMGdseTBUcTZF?= =?utf-8?B?bnZGODNSZmQ2YTRTZHBZSkgwTVBYTVpGRm81QXlzR05SbDJ0YkFzcmM1aTJx?= =?utf-8?B?bXptNkdXV0ZxRVRPcE11eHMyN1Z2WkNqa2RjZW5Qd1RabTRmRzc4bmMxN21s?= =?utf-8?B?RytlOVFDZk1HZ2NFVGY2d0xwQlhLdzdHZlQyUExpL0drd1ZsUGdNU0xIZXUv?= =?utf-8?B?djJwMHB4UE1ESFMxS2hZbUVUS3FpTWZLczJnY3lLNk5QVngwd2RiNndaN2Vs?= =?utf-8?B?SlJpQ3RzcnJGemZyd3N2UmRwcTJHMDByY3BJN1dHS1k1OE5JVVdYRlprRXNm?= =?utf-8?B?K05jUjJzT0lTTm1XSXIrWHR3WW5UblJhYzd2M3Q3SzE2dDF4U2pEa1NYaEdi?= =?utf-8?B?d2dpV1pUVXBEZDJJWUxsdlF2OENkdENjZ243QWNkZzZMRlQ2ckMxUmZlTmF5?= =?utf-8?B?akFpWW9XMFNsbHVDL1I4aDkzUlhuMDl3YXNkMk4xWnJSRHc2cS9VSEdUWDI0?= =?utf-8?B?enpvZ3RaNlBZejViRzhZNFhrcE1yV1Z2dkI0Y0VUSGgwVCsrNHU1NXlSUTJx?= =?utf-8?B?dFZJWUxzV0x6NDExclkrZXhRNENvN0U1WExFM0NPWmpieVhFZHEwZmQzMFo1?= =?utf-8?B?eFdQZS9CVU42ZXV5ZnBrdXFEN294bmZkVy81dlRkNE10c0sxQ0RYYzBTaTBz?= =?utf-8?B?ZXgraU5DQkdKcXc1Y0h6a05JL2h2alBGYTNQU25SVDhocldZWVR5b0lONytw?= =?utf-8?B?UGIvVmorSjJ2L1FVdWRtblBTbzNKT3BYTWlQOVlUMjJrSGFiQ0RKRE1DV0hJ?= =?utf-8?B?OXN4RXhWdEVHMGxENjc2alB1NmRFTVRzNFg0dG10WkIyNW1qSUUyNSsrbzlr?= =?utf-8?B?Q0lQT0JsdXFZRWtmK01QK3BHSmRwenl6U3Fsc0xKK2szelNkZTgyeGJCT0Qw?= =?utf-8?Q?Hitx1lGNwewntWoXwvSnq8wkLbkhz4+x4KjTL?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 77cf3529-771b-4902-bada-08df08bce0c0 X-MS-Exchange-CrossTenant-AuthSource: AM9PR04MB8469.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Sep 2026 06:39:03.0019 (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: OCANRktENUvXE/YdJGiwL0Iom/WrJ+AbfUWe/S5aFhJusdMxBb0FLc0QinDR4m0yioVqLSc3OzsQirlSrSVfvAVnz2vK4clwnDNzhYCTBU4kMo8n+z1/F4phR3hQ6UBo X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR04MB6840 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260901_233905_682001_8A459CE1 X-CRM114-Status: GOOD ( 13.27 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Pankaj Gupta The NXP security hardware IP(s) like: i.MX EdgeLock Enclave, V2X etc., creates an embedded secure enclave within the SoC boundary to enable features like: - HSM - SHE - V2X Secure-Enclave(s) communication interface are typically via message unit, i.e., based on mailbox linux kernel driver. This driver enables communication ensuring well defined message sequence protocol between Application Core and enclave's firmware. Driver configures multiple misc-device on the MU, for multiple user-space applications, to be able to communicate over single MU. It exists on some i.MX processors. e.g. i.MX8ULP, i.MX93 etc. Signed-off-by: Pankaj Gupta Reviewed-by: Rob Herring (Arm) Signed-off-by: Frank Li --- .../devicetree/bindings/firmware/fsl,imx-se.yaml | 91 ++++++++++++++++++++++ 1 file changed, 91 insertions(+) diff --git a/Documentation/devicetree/bindings/firmware/fsl,imx-se.yaml b/Documentation/devicetree/bindings/firmware/fsl,imx-se.yaml new file mode 100644 index 000000000000..fa81adbf9b80 --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/fsl,imx-se.yaml @@ -0,0 +1,91 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/firmware/fsl,imx-se.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX HW Secure Enclave(s) EdgeLock Enclave + +maintainers: + - Pankaj Gupta + +description: | + NXP's SoC may contain one or multiple embedded secure-enclave HW + IP(s) like i.MX EdgeLock Enclave, V2X etc. These NXP's HW IP(s) + enables features like + - Hardware Security Module (HSM), + - Security Hardware Extension (SHE), and + - Vehicular to Anything (V2X) + + Communication interface to the secure-enclaves(se) is based on the + messaging unit(s). + +properties: + compatible: + enum: + - fsl,imx8ulp-se-ele-hsm + - fsl,imx93-se-ele-hsm + - fsl,imx95-se-ele-hsm + + mboxes: + items: + - description: mailbox phandle to send message to se firmware + - description: mailbox phandle to receive message from se firmware + + mbox-names: + items: + - const: tx + - const: rx + + memory-region: + maxItems: 1 + + sram: + maxItems: 1 + +required: + - compatible + - mboxes + - mbox-names + +allOf: + # memory-region + - if: + properties: + compatible: + contains: + enum: + - fsl,imx8ulp-se-ele-hsm + - fsl,imx93-se-ele-hsm + then: + required: + - memory-region + else: + properties: + memory-region: false + + # sram + - if: + properties: + compatible: + contains: + enum: + - fsl,imx8ulp-se-ele-hsm + then: + required: + - sram + + else: + properties: + sram: false + +additionalProperties: false + +examples: + - | + secure-enclave { + compatible = "fsl,imx95-se-ele-hsm"; + mboxes = <&ele_mu0 0 0>, <&ele_mu0 1 0>; + mbox-names = "tx", "rx"; + }; +... -- 2.43.0