From patchwork Mon Oct 30 09:58:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pankaj Gupta X-Patchwork-Id: 13440335 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 D305CC4332F for ; Mon, 30 Oct 2023 10:00:20 +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:References:In-Reply-To: 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: List-Owner; bh=jz+1iCnHZEO8U333s/9ZPJy1/D+yQ60w3z/xXKGeHHM=; b=ZFYmr6xpe7lYwo /GgEDE135yVLzq0RBNFtWHfa9BqUa3/HSquzN2f0Q8JGikzJ3N3DhpnPcNxjNV8LchYktLc+LC35H 9itWGHm8Czrc6qkB2uiISwddGsPbTM6T5oo43Ewqpjez6PWOZr2MqW0/dhI+7Twkn+pQxGx+8dqLC Kx9HUpPMS2Kip+siAXgj68njEtKOjJph9p5z6/nIBjd/3KMsdR80EloaGYlkaDrRq0h9ZnNagMLqP 8njBsTP5DpmjdYvgmViAmPBzuARm5Z1TMZRzPii0YyvVi0l5b3te8Mm7C4C75sUOdQHtvsD6xsp0w niMMrwnN+z70io1PW5Jw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qxP3s-002xlM-2q; Mon, 30 Oct 2023 09:59:56 +0000 Received: from mail-vi1eur05on2062f.outbound.protection.outlook.com ([2a01:111:f400:7d00::62f] helo=EUR05-VI1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qxP3l-002xiI-2T for linux-arm-kernel@lists.infradead.org; Mon, 30 Oct 2023 09:59:51 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=m/jolEP+1HesFZNAFFM/atIcfHGSWRRRCP+3Vj20Jt+92C7/5xV09rLAQ7Bkp8nF1nq9VSuHiKlLFHzvvRxj9Tohfn8I+J+RxqTeHir4fw5Fbyh5bS9wKHHIhQjY8AybYXzFwC1q+YxZ8WxJ9U+Otz8gWwFqgKUsoLXiDft+SOHRurBPfecFGBST9w2pGZxzkilaQBvAQ+BOXojDPQDTttPGURY2hQlm42W8VKstrybLZTwTWXF51HntMykzDuWgcu5ZBKDGphkJO7obdqqy0mnqi70RWy7XJYiC0qHFiMo9Ywuv7Dc5CviDTvSyWYydWfCnElV2hKthdP4xS/v7hQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=8jOsfYW5YiYUH97W+EJOHzghkLPb11X94CYd1L8+SDc=; b=oPWb66prv1+Eb/oVTbFhL3251IHYxmS3nDzMCE/qod++wz9mAy34UnyNRYK0INUjt+w8s1H3nLZ0PF4IJ0bRzZoNAJ1wnP2jztMpIMO/IOL1nemukWLvRCCP0kt/U/+xc8X1AQmSv3Ez3Q06EWwPMcCW9bsvXF5IXyy4tRWs2oz2amJQdngZBVgd8XkPPgg7Gq0e2gY2OAQzQDG7gGpnslM/67wYT9nEIS5IVaPQuqKI3pxh8YHIwEsA77DRthKvlVFNlQaA+Ju6vDG8ziC5LnDqIgC8F+984KsqPc30PfwC+1OrYW/qKTw5bUWbdlHP5Y6PnXh5GPDBHYxy0yUNUg== 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=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=8jOsfYW5YiYUH97W+EJOHzghkLPb11X94CYd1L8+SDc=; b=FNHwWN745riyWT3aiWWxMQ5tGdld5UjQ5EVMakVH9/Ep/X5VPPR48tXLTh+k8hUSOKi81Q/uOejlmivt8mRPQTUZP/7Sn0Z7AOY56eyZoXBQx32/nBrBrBvORrHUGk/LWltSzspzvDdW7AMn/iLLBLiHa8XUXsb64XAW9rMcdnk= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from DU2PR04MB8630.eurprd04.prod.outlook.com (2603:10a6:10:2dd::15) by AS8PR04MB8513.eurprd04.prod.outlook.com (2603:10a6:20b:340::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6954.16; Mon, 30 Oct 2023 09:59:39 +0000 Received: from DU2PR04MB8630.eurprd04.prod.outlook.com ([fe80::9ba:8e4f:1465:9351]) by DU2PR04MB8630.eurprd04.prod.outlook.com ([fe80::9ba:8e4f:1465:9351%4]) with mapi id 15.20.6954.016; Mon, 30 Oct 2023 09:59:39 +0000 From: Pankaj Gupta To: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, clin@suse.com, conor+dt@kernel.org, pierre.gondois@arm.com, festevam@gmail.com, linux-imx@nxp.com, davem@davemloft.net, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, gaurav.jain@nxp.com, alexander.stein@ew.tq-group.com, V.Sethi@nxp.com Cc: Pankaj Gupta Subject: [PATCH v7 02/11] dt-bindings: arm: fsl: add imx-se-fw binding doc Date: Mon, 30 Oct 2023 15:28:40 +0530 Message-Id: <20231030095849.3456820-3-pankaj.gupta@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231030095849.3456820-1-pankaj.gupta@nxp.com> References: <20231030095849.3456820-1-pankaj.gupta@nxp.com> X-ClientProxiedBy: SG2PR03CA0100.apcprd03.prod.outlook.com (2603:1096:4:7c::28) To DU2PR04MB8630.eurprd04.prod.outlook.com (2603:10a6:10:2dd::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU2PR04MB8630:EE_|AS8PR04MB8513:EE_ X-MS-Office365-Filtering-Correlation-Id: 83d74eea-b453-43f9-b611-08dbd92eee8a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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:DU2PR04MB8630.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(136003)(346002)(396003)(39860400002)(376002)(366004)(230922051799003)(451199024)(186009)(64100799003)(1800799009)(478600001)(6666004)(66946007)(6486002)(6506007)(966005)(83380400001)(36756003)(38100700002)(66556008)(1076003)(2616005)(66476007)(2906002)(41300700001)(26005)(52116002)(6512007)(44832011)(86362001)(38350700005)(921008)(6636002)(8676002)(4326008)(5660300002)(8936002)(316002)(7416002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 83d74eea-b453-43f9-b611-08dbd92eee8a X-MS-Exchange-CrossTenant-AuthSource: DU2PR04MB8630.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Oct 2023 09:59:39.8562 (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: J9GBS6bPy3ClENZqCC8UoAH/l2ZcWyhDyB16wPd+d/Qo+rsVU3R+JO/MCZKu0/o/4bm6xKc08f7L1heCUw3jEQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB8513 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231030_025949_809124_21613226 X-CRM114-Status: GOOD ( 14.47 ) 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 The NXP's i.MX EdgeLock Enclave, a HW IP creating an embedded secure enclave within the SoC boundary to enable features like - HSM - SHE - V2X Communicates via message unit with linux kernel. This driver is 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 can communicate on single MU. It exists on some i.MX processors. e.g. i.MX8ULP, i.MX93 etc. Signed-off-by: Pankaj Gupta --- .../bindings/firmware/fsl,imx-se-fw.yaml | 83 +++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 Documentation/devicetree/bindings/firmware/fsl,imx-se-fw.yaml diff --git a/Documentation/devicetree/bindings/firmware/fsl,imx-se-fw.yaml b/Documentation/devicetree/bindings/firmware/fsl,imx-se-fw.yaml new file mode 100644 index 000000000000..0503ea497d61 --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/fsl,imx-se-fw.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/firmware/fsl,imx-se-fw.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX EdgeLock Enclave Firmware (ELEFW) + +maintainers: + - Pankaj Gupta + +description: + The NXP's i.MX EdgeLock Enclave, a HW IP creating an embedded + secure enclave within the SoC boundary to enable features like + - HSM + - SHE + - V2X + + It uses message unit to communicate and coordinate to pass messages + (e.g., data, status and control) through its interfaces. + +properties: + compatible: + enum: + - fsl,imx8ulp-se-fw + - fsl,imx93-se-fw + + mboxes: + description: + All MU channels must be within the same MU instance. Cross instances are + not allowed. Users need to ensure that used MU instance does not conflict + with other execution environments. + items: + - description: TX0 MU channel + - description: RX0 MU channel + + mbox-names: + items: + - const: tx + - const: rx + + memory-region: + items: + - description: Reserved memory region that can be accessed by firmware. Used for + exchanging the buffers between driver and firmware. + + sram: + description: Phandle to the device SRAM + $ref: /schemas/types.yaml#/definitions/phandle-array + +required: + - compatible + - mboxes + - mbox-names + +allOf: + # memory-region + - if: + properties: + compatible: + contains: + enum: + - fsl,imx8ulp-se-fw + - fsl,imx93-se-fw + then: + required: + - memory-region + else: + not: + required: + - memory-region + +additionalProperties: false + +examples: + - | + se-fw2 { + compatible = "fsl,imx8ulp-se-fw"; + mbox-names = "tx", "rx"; + mboxes = <&s4muap 0 0>, <&s4muap 1 0>; + }; + +...