From nobody Fri Dec 19 20:06:41 2025 Received: from EUR05-DB8-obe.outbound.protection.outlook.com (mail-db8eur05on2083.outbound.protection.outlook.com [40.107.20.83]) (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 E2E45265CC4; Tue, 8 Apr 2025 08:47:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.20.83 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744102058; cv=fail; b=o9ia5ioY2nRKvtSobzgf3Ks7qgNnvcfE+/ZM8iFldIRquRDeCKusDe3dqLtvIQivUkCU8vJyC1lJhP0VNA2mW+DtLlcL/CqFQxKtOHjr1LJ778SpfULiFNhNcVDXK/56179cnyRFfr6gLV6U2N6GWIogbaQIdEVSTwGa2IDjyYU= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744102058; c=relaxed/simple; bh=YcXopkX3qiVWy7f+v/U4+OqOkGzfItqtWid7XOc4JLo=; h=From:Date:Subject:Content-Type:Message-Id:References:In-Reply-To: To:Cc:MIME-Version; b=Q1p2wdR3WpuhotO/0FGLCWUFKBmKiPRFpngx2tkj4B2G3Pn/fkcdjCEp88tpTpHHbHSIigFdKQf3RrsNYsTVcW5ZI/tbUeag3naoux++Bo7uX2E25900++aSIzNys2Xpg8WetTv27KYzJ64wFTIPI39/A5q5aDjsJ9/IIMGOSQ0= 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=hWBQcChF; arc=fail smtp.client-ip=40.107.20.83 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="hWBQcChF" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=dXse5VumEj9o0nFez01ntKv1x6khF3fUS2MxZW+sC4qgGHmF4vjjYpeqCGKns23vZoRediq+SyDDBO7PAd+CDX2awAaznUCggKahinZbB737apzXwVywXu8CwWgu4PXNvgu1dv1rbU9pMKuaUT8coTwWCEuAsRp67MrNVcI5tgcAbTJQFc384qujOLV/2s5PTAkkaZCJy5bTxVpuxq2wrIZWQQBVpwwahPVby7FAy2Pni+qr58WXk1wDjGhM97/iFFU+/zgBoUJkoxCLBPKVg2I97QAeEK/xMZb997LUhEP4l4i9F2E9A+SDp3LtphuMO9DKSVMacnw4eGMxUZuXFg== 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=jCbS96ZWJsjZvrjwTAM4otcx9/p+SEnFPLgLPLvS614=; b=By6rTk8BQufMbh5bACmXutLpHEDC9uLvGOZ76xg9KVgKchcCZY18b/jLPEHMX/vRNOdAA+vw6XpePV5V21CEg2L2YxEAgkbohKMOlaGzayNvGFULPlB/EtHmPdJfSWj9kGNpnS10Usom+LSuIfGOObZApT9exwEe8+7aephWRbnGzYjmhYg4tpWKR+yOF+W179wBvTsvhewhpqfwqjfaXpRZbMqi5hRCQ8uVZq142djlGwFEYSBefyZ5j6l37oCvSn2z0+fcVfO1mjEgbHdWgfDfHxV5l6t48lximXv02QO3MFtm/l9UWMZZM2ZOZZMKOK38POQ9tLNNK7GPEuVllA== 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=jCbS96ZWJsjZvrjwTAM4otcx9/p+SEnFPLgLPLvS614=; b=hWBQcChFpnL8vhz587hgj4wcKPRENC/TLy0FFwWaO/LbNnb4gORNI3mt/u3M3xwvuqdv/PASeYVHcCNUkp/NgmDSbnaaPBvTPsSvrbFAWN6lX2iILw8mFFja2tF19hwtZvHTRyspYWenrI8/MNVXiIVjfSQGAPJltIdU2n+yQe3k9enZXpKl1xj2QiRXUE6p3sndfttkMuR4G2zhqTZoSJmubklWLW4MjTU10ErDodeMjUH3bgM56L/R79yrQJoeLTjuVXBKMInBHmUm9ALKXgATzmQRlFy+qiYJGW3bCMifVf0XhZHbjgnBlZGmO/AYRaeld14icjUIkrColt4jXw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=oss.nxp.com; Received: from PAXPR04MB8459.eurprd04.prod.outlook.com (2603:10a6:102:1da::15) by DUZPR04MB10063.eurprd04.prod.outlook.com (2603:10a6:10:4af::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8606.31; Tue, 8 Apr 2025 08:47:33 +0000 Received: from PAXPR04MB8459.eurprd04.prod.outlook.com ([fe80::165a:30a2:5835:9630]) by PAXPR04MB8459.eurprd04.prod.outlook.com ([fe80::165a:30a2:5835:9630%6]) with mapi id 15.20.8606.033; Tue, 8 Apr 2025 08:47:33 +0000 From: "Peng Fan (OSS)" Date: Tue, 08 Apr 2025 16:44:29 +0800 Subject: [PATCH v4 5/7] firmware: imx: Add i.MX95 SCMI LMM driver Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250408-imx-lmm-cpu-v4-5-4c5f4a456e49@nxp.com> References: <20250408-imx-lmm-cpu-v4-0-4c5f4a456e49@nxp.com> In-Reply-To: <20250408-imx-lmm-cpu-v4-0-4c5f4a456e49@nxp.com> To: Sudeep Holla , Cristian Marussi , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Dan Carpenter , linux-kernel@vger.kernel.org, arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, devicetree@vger.kernel.org, Peng Fan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1744101964; l=6279; i=peng.fan@nxp.com; s=20230812; h=from:subject:message-id; bh=rd3I+t2nFc7Iz0+EcatlHc+yizA13sGbbHgtoWjJqf4=; b=YptcjQsD+M5dODJpAYgJ4vChb+NChKWdx1kxD9PPVxlhSLybc9iu6SwJQ76TPaWOOYM4XJ2b2 x+eR1ZXlwcnAkI1NKIpY+k8VJcNmJEdiqUlhg4o77uv3zrt2Eyq1MCI X-Developer-Key: i=peng.fan@nxp.com; a=ed25519; pk=I4sJg7atIT1g63H7bb5lDRGR2gJW14RKDD0wFL8TT1g= X-ClientProxiedBy: MA0PR01CA0056.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:ac::12) To PAXPR04MB8459.eurprd04.prod.outlook.com (2603:10a6:102:1da::15) 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: PAXPR04MB8459:EE_|DUZPR04MB10063:EE_ X-MS-Office365-Filtering-Correlation-Id: 08f6f329-c706-460b-da9a-08dd767a0124 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|366016|1800799024|52116014|7416014|376014|38350700014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?SHpOWTVrYUlLbWpZVklIbkFYLytLMEc4NDV3RGhSaTVSY2FwRXoxeFdkQ1Zh?= =?utf-8?B?ODVzTEk4b2tOOGZlYVJKU3l0Vmk1NjFYSlV2eHNRZjhMdHBNYm1YWVBIK2k3?= =?utf-8?B?Q1FVL3B5RmlaM1RSaVRnUHNtUlRLVlZETHlLaXd2UmQvSG52SU1SeHBNMGwx?= =?utf-8?B?WWwrRDg2TTE0ZmNscmMwcVRBME51R3kzK2xOK0VvZ3lDYnpjV0pvY1ZGRGRt?= =?utf-8?B?RU14YkxjU29SYnhBSWFKT1VMcHNYUjd2VXVTWFZNclQzMjFLamtSWFdpU3Uz?= =?utf-8?B?L2lzbG9lMHpHaGV4V3lScXZOdys0eDk5UDhwRlZCRlI5MytySG04OTcxS0J3?= =?utf-8?B?NlR6bXZkdkhYTVVqTUZzbTduUkxnb3IyZitIdXZQZzU3REswYzVCQVlJaXhk?= =?utf-8?B?RHJaOWdnYjlDcGtaUkYweG1iVXlDSnl0SjJCMTFWM2w4V2dWSTgveHFjais0?= =?utf-8?B?RTBHSVdIelhKVkFtaUppZjJMMVdTdTc0L1NxYkhwZzVzTEw5ay9WQzFuQXFM?= =?utf-8?B?b2NPWU0xUHBMYk15dWZpMkEyYVFXOFdNeWFKTXdyYVI3LytrUTAydFM0NGk5?= =?utf-8?B?ZlN1Y2hIc29XdUNKRUJIQjhwQU9LWWc0NVZJMDF0ZVZEZEwrM3hSeFd1WVFC?= =?utf-8?B?d0ZXZTdkbGc0SWE4WDhvZC9QVGJjajJRbDIxZ0RacXNGY205Ly8wU25TaEhN?= =?utf-8?B?V3RPUW1OZjJHM2Zib0lpVllqT2NZOTZ3Z1duU3ZCQThQZHV4SHh6L3B3Ym9v?= =?utf-8?B?bTB6NXp4VnFoVjk1bjFIdzBrRGpQUjFrb0RjUDJBaTBUR3RXT3puZEd1UUtH?= =?utf-8?B?WlZRWVlneUhScWV1WW1IbmxlT2llMyt0eVBsaThiM04veGY1eDY1Z2I4Y1hk?= =?utf-8?B?TVFoRTQxNEpEYTNKcEJMRUhHL1IxOUFPZ01pQXN4dFJ1emhoZ08vYytoQzMx?= =?utf-8?B?elRjNzdzRkZNRERVNjhFVHFpMURwcHBSR3ROYjRLam42UWRUUjVxUW1hWWE2?= =?utf-8?B?ODlreCtZY1U3cVlhaWVROVl5WUxSZmdKVk1vNlNja1FaZ2Z1YitGbDdEdm5w?= =?utf-8?B?VkFNaWZqN3hRbEx0K2VZbkMzTEpkRkhCM0hEeHRCMlIwZlhheXVGSWdENlBN?= =?utf-8?B?ZGtDUVcweEpkUkx6SjlyWHBwQXhSL0xVOGhSbmx0emNRemhQSkdCaGVKVHRp?= =?utf-8?B?d05keEZsNWhNVTlDcmpkWmpsWUZOcmNWdVNHYm91RWhaRk9ZaktQTkt3Wmgv?= =?utf-8?B?bFNTTEZjV25OOC9tRUNkOGxRT0lLNG9BMXNHbVh5NjNhR2g2aUlFMVI0OHZ3?= =?utf-8?B?VnVrMExWVlpTOTBBVmswLzZSUmd3dkVaRFA2YWFpN3Zob1VwWXZpdFgvc3o2?= =?utf-8?B?ckJoVFNzS09mKy9WZGxqMWxXWmN2bXhUMGM5M1Q0T1Z5Qmp0QjREd2srL2kv?= =?utf-8?B?UGxlcnA1VVNZSGxEOXMwcWkrdDBONEdBa0NFUnA0LytHQ2lmNnNCNzZ2WTl6?= =?utf-8?B?SGxoMTB0U2o5OVFYRVczWWJZM2h2YUxmZUhoZ3kraFJ2WldmYU5pWnNmQUhZ?= =?utf-8?B?bi9LYWMvbXZ0K3o2RDRkQi9OWUEwNXc2b1dpSnJ6ekRlSUF4QmhmMmYrUzE0?= =?utf-8?B?Mjl5dmJVT0RlU0tmeEFhVitia1VzK0JSUm42Tm1jWC90Q2NqOWRWdjV2UVRJ?= =?utf-8?B?WU9PZ3ZHcDRJeTNPSDYwRVBkZ0RiQ3VsVm9FUkc5NnpUMkpFZGs4dlIvbnRX?= =?utf-8?B?dkNCMWZmRjB3NVZtUVl4MDExeHYwc09wSGpVaWhDRysrWTVWN210c2prOXBC?= =?utf-8?B?SGE4aFdDVkFORlhSSmxoQjVQM3RnUDcrU3FZUjUvbFk3cmxHdjFNSkE2NDU3?= =?utf-8?B?MTlWZkxWNmxiSWljOFRSRStoWjcwc1ZjS3BMSWwvRmhWcTBFWlluWTZQM3ZE?= =?utf-8?Q?h/IbtJqAyyzBnPI+y1nHZgtIBQH8ieQg?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PAXPR04MB8459.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(52116014)(7416014)(376014)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?R3hRdTJFVE5vVm9rWG5zcnZYNVl5S0dLWFpJMklaVVhDNDlFV2IzSnFFb1JV?= =?utf-8?B?U3FjeWRLVVpvWjBCQUE0dWxRcjJjTloyWDVOeGlUN1VmeGJmaVlROHJrdU4v?= =?utf-8?B?QlgzNm5BL3g0eWV3VWxrWTQ0Z29hMFBueFBqMHN3ZFRDMU5TVnZJeW15WnFT?= =?utf-8?B?VzZxMm9BMmV6TzJrZUhwaHlLRlhpSmhFU3A0VWwyUUgwWFlUeVc4RTZWVWpr?= =?utf-8?B?Q2tPQmd3d3BBUktQaFBNMVNTOHNkZUxYK0hMc0FscGpzOXF0eUVhZ1htVG41?= =?utf-8?B?SDVCZTRYbGhET1NhcnZvYm1PUnRIS0FpSURKZDQ1MnpUbWQxSlYxQXRUZURJ?= =?utf-8?B?TlpMdTZ3bVpDZnk4OGd4SDE3UE5ONDVYRVNUNTNhRjN5ZThReThacnhCanRD?= =?utf-8?B?ajFuNmNhd3VKNnhuMFRDa0VGenJ0dGFFQzFBWWxQSUlFbzUwSGp0V1JjeFhp?= =?utf-8?B?SHVBTWdHRElvWkgvc05WYWFXQnVocjkwUFdBdU1ISS9vZlNuaFpubTAwcDBM?= =?utf-8?B?VzRMRjhwSE0waXhYTGhCelQ4NjRxaS9URDgrbG5hSzd3Ykg5Tkhobk9lQzhj?= =?utf-8?B?VHNhV2FWMFN6Z1FZNXUyek5JTi8remR3RFdTSTl4MCs0ajdtYVhwOFZhUWF2?= =?utf-8?B?N2I3RitOM3htWllRclAzdkdPMkhQTUlwKzVwV2VUMnNsdTlRNWlEL1JYR3Jn?= =?utf-8?B?VXIrbEhuL0RtNk9rMHVoRE8rQ1NBRFc4ekNXTEo2MzZ3WlY0bm5xYy9xekNz?= =?utf-8?B?dzdMZUhQTFl1UUN0emFpYk1TYUF3TmRHZE1YWCsxVzNMZjhGZ1haWjBjVHJ5?= =?utf-8?B?TXZ5cTdMNVV4WGJUMVh4VlhBMnBIYUZRTzlnb1kxdHR1Sk9IcGVkemIvemxU?= =?utf-8?B?V2Y4NGVwMiszNUIzVnVTRGptS0Q4SXpaZ2FhT0tCRjFBZjNTOHU5YTE2OFBB?= =?utf-8?B?M0tRT1kvS29rSzlEM0RWTnpQekh5VjZsTXc4TkdJaEltK1N6VVJRZmFzNDFy?= =?utf-8?B?VTFGVzRnSUk4Wnhoc2UxMUduVTFmTFZMOENRR1l2bGh5K1NkbmZQaVVaOHVI?= =?utf-8?B?Z21FcFRxaGtCY09haXBSdGU2UWtiOEVwMTlFWS9WOWtPUFU1SEdhNmpmcVhk?= =?utf-8?B?clY0amxWRCtYUjB5U0ErL09uOHRod2ZhTFg2d1p1YTY3RmJDZkhWaFU3SWVh?= =?utf-8?B?eCt6VWs1a1BZc3d5RUI3SkNIVUV6cGV6aVhDWGd5TkFWbmNra0szQ3R5aWZq?= =?utf-8?B?L0JrbVdZajduMkR6VC94VUhHSzBBVEdwRVg1Z3B5aExFTm0vRVlkNyt5R3JI?= =?utf-8?B?N0NxenVKMWxHUmZoL2ZuRzAwS2FQMEVKNTA2R2t5OTRTV1ZaRFBuMW9iUHMy?= =?utf-8?B?WnJqYm9obUNkMkRaeFpWMUhFbGVFRk54UXo0Y1ZqSUFST1VCYTlSTHFqaDU1?= =?utf-8?B?cVNaRWRWTVY0S3FkTGVyNW5uYTNiVHNlckNNWVhJMjZCSUtiRXVTcWFXdVBQ?= =?utf-8?B?OVlVSkVNK1NyUmtJbFRnanpEcmRLa29EeUt5MU5GckFVdkYvZVVrUE9XN21H?= =?utf-8?B?clQ0aVphbjEvUVBJL2ZoVXdsM3c0a2VMVkhjcHJxbzFEK2krQVRvb052VjI1?= =?utf-8?B?ZzRmb1RSYnVINVZCR2p2elhQRWFXRHQ5K0svWlJOMDFyL1RMY24vMW5mT3pa?= =?utf-8?B?K2xxNGNLTWllcUNZRVRVSlNqaHZSS050RERGTEdMamx0bldmYVYra2ZkL2VC?= =?utf-8?B?blB2N0J1em9tU2lGZ3FmWUhkWVlvTjZiTFlwc1poMCtreDg3Y1E0cm53b0tN?= =?utf-8?B?QXFOME1aa1pBcFVIcC9aSGhtci9ucGIxblZ6UklINm5rUFZjYldzaFNvbmhH?= =?utf-8?B?MWxxWHViNU5CemI1d3cxSnpHdi9IeDhRTExXd3dpUHdaWTZHRTIyUGxFaTBW?= =?utf-8?B?QUJnQWlBYUcrOXVKMWlhSGZieUpJZmg3TmU5K1JhaERnQTl0OGt5cG9xYWd4?= =?utf-8?B?OERyYlBFaFY0UXR0SXNHQU8yUFE4MVo5VS9CUGx3Qlc0M055dTM3L3JBRDJy?= =?utf-8?B?eGsybjhJSzBkZUYvUmFrSURCMWh0RXVUaWlUOGpESWxjWWN0dEZITjR3MXgz?= =?utf-8?Q?UsiWCncYAc8pM0c1mpcG0y00O?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 08f6f329-c706-460b-da9a-08dd767a0124 X-MS-Exchange-CrossTenant-AuthSource: PAXPR04MB8459.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Apr 2025 08:47:33.4958 (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: OFn16LnYlIbFQlIBMLWPpWnsFx4N1Fa9J0WjYpOLwM1iupkkWBNSwBvhCeU2UcEd5rwcySoeDtnqUT/Q1/T59Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DUZPR04MB10063 From: Peng Fan The i.MX95 System manager exports SCMI LMM protocol for linux to manage Logical Machines. The driver is to use the LMM Protocol interface to boot, shutdown a LM. Reviewed-by: Cristian Marussi Signed-off-by: Peng Fan --- drivers/firmware/arm_scmi/vendors/imx/Kconfig | 3 +- drivers/firmware/imx/Kconfig | 11 ++++ drivers/firmware/imx/Makefile | 1 + drivers/firmware/imx/sm-lmm.c | 91 +++++++++++++++++++++++= ++++ include/linux/firmware/imx/sm.h | 14 +++++ 5 files changed, 119 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/arm_scmi/vendors/imx/Kconfig b/drivers/firmwa= re/arm_scmi/vendors/imx/Kconfig index b5f13d0e40155e485f4d1696e9550645d888ef44..4c24e17425f830810f8ba376ece= 9db93c8cded6d 100644 --- a/drivers/firmware/arm_scmi/vendors/imx/Kconfig +++ b/drivers/firmware/arm_scmi/vendors/imx/Kconfig @@ -26,7 +26,8 @@ config IMX_SCMI_CPU_EXT config IMX_SCMI_LMM_EXT tristate "i.MX SCMI LMM EXTENSION" depends on ARM_SCMI_PROTOCOL || (COMPILE_TEST && OF) - default y if ARCH_MXC + depends on IMX_SCMI_LMM_DRV + default y if ARCH_MXC && ARM64 help This enables i.MX System Logical Machine Protocol to manage Logical Machines boot, shutdown and etc. diff --git a/drivers/firmware/imx/Kconfig b/drivers/firmware/imx/Kconfig index c964f4924359fcd375560ee8263021b0fe65db1b..70c092424328067ea6b946cee59= f072661e27e47 100644 --- a/drivers/firmware/imx/Kconfig +++ b/drivers/firmware/imx/Kconfig @@ -23,6 +23,17 @@ config IMX_SCU This driver manages the IPC interface between host CPU and the SCU firmware running on M4. =20 +config IMX_SCMI_LMM_DRV + tristate "IMX SCMI LMM Protocol driver" + depends on ARCH_MXC && ARM64 || COMPILE_TEST + default y if ARCH_MXC && ARM64 + help + The System Controller Management Interface firmware (SCMI FW) is + a low-level system function which runs on a dedicated Cortex-M + core that could provide Logical Machine management features. + + This driver can also be built as a module. + config IMX_SCMI_MISC_DRV tristate "IMX SCMI MISC Protocol driver" depends on ARCH_MXC || COMPILE_TEST diff --git a/drivers/firmware/imx/Makefile b/drivers/firmware/imx/Makefile index 8d046c341be878bb6dd1e6277992ff66ae90e292..7762855d2a771169d4f1867d27e= 0d51be7c9ad03 100644 --- a/drivers/firmware/imx/Makefile +++ b/drivers/firmware/imx/Makefile @@ -2,3 +2,4 @@ obj-$(CONFIG_IMX_DSP) +=3D imx-dsp.o obj-$(CONFIG_IMX_SCU) +=3D imx-scu.o misc.o imx-scu-irq.o rm.o imx-scu-so= c.o obj-${CONFIG_IMX_SCMI_MISC_DRV} +=3D sm-misc.o +obj-${CONFIG_IMX_SCMI_LMM_DRV} +=3D sm-lmm.o diff --git a/drivers/firmware/imx/sm-lmm.c b/drivers/firmware/imx/sm-lmm.c new file mode 100644 index 0000000000000000000000000000000000000000..6807bf563c03d21a68022ecf346= 9c38bee4fc2f5 --- /dev/null +++ b/drivers/firmware/imx/sm-lmm.c @@ -0,0 +1,91 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2025 NXP + */ + +#include +#include +#include +#include +#include +#include + +static const struct scmi_imx_lmm_proto_ops *imx_lmm_ops; +static struct scmi_protocol_handle *ph; + +int scmi_imx_lmm_info(u32 lmid, struct scmi_imx_lmm_info *info) +{ + if (!ph) + return -EPROBE_DEFER; + + if (!info) + return -EINVAL; + + return imx_lmm_ops->lmm_info(ph, lmid, info); +}; +EXPORT_SYMBOL(scmi_imx_lmm_info); + +int scmi_imx_lmm_reset_vector_set(u32 lmid, u32 cpuid, u32 flags, u64 vect= or) +{ + if (!ph) + return -EPROBE_DEFER; + + return imx_lmm_ops->lmm_reset_vector_set(ph, lmid, cpuid, flags, vector); +} +EXPORT_SYMBOL(scmi_imx_lmm_reset_vector_set); + +int scmi_imx_lmm_operation(u32 lmid, enum scmi_imx_lmm_op op, u32 flags) +{ + if (!ph) + return -EPROBE_DEFER; + + switch (op) { + case SCMI_IMX_LMM_BOOT: + return imx_lmm_ops->lmm_power_boot(ph, lmid, true); + case SCMI_IMX_LMM_POWER_ON: + return imx_lmm_ops->lmm_power_boot(ph, lmid, false); + case SCMI_IMX_LMM_SHUTDOWN: + return imx_lmm_ops->lmm_shutdown(ph, lmid, flags); + default: + break; + } + + return -EINVAL; +} +EXPORT_SYMBOL(scmi_imx_lmm_operation); + +static int scmi_imx_lmm_probe(struct scmi_device *sdev) +{ + const struct scmi_handle *handle =3D sdev->handle; + + if (!handle) + return -ENODEV; + + if (imx_lmm_ops) { + dev_err(&sdev->dev, "lmm already initialized\n"); + return -EEXIST; + } + + imx_lmm_ops =3D handle->devm_protocol_get(sdev, SCMI_PROTOCOL_IMX_LMM, &p= h); + if (IS_ERR(imx_lmm_ops)) + return PTR_ERR(imx_lmm_ops); + + return 0; +} + +static const struct scmi_device_id scmi_id_table[] =3D { + { SCMI_PROTOCOL_IMX_LMM, "imx-lmm" }, + { }, +}; +MODULE_DEVICE_TABLE(scmi, scmi_id_table); + +static struct scmi_driver scmi_imx_lmm_driver =3D { + .name =3D "scmi-imx-lmm", + .probe =3D scmi_imx_lmm_probe, + .id_table =3D scmi_id_table, +}; +module_scmi_driver(scmi_imx_lmm_driver); + +MODULE_AUTHOR("Peng Fan "); +MODULE_DESCRIPTION("IMX SM LMM driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/firmware/imx/sm.h b/include/linux/firmware/imx/s= m.h index 9b85a3f028d1b0a5287b453eb3ad8412a363fe6c..bc27b04afb2f68b048955f51c07= a106f4c7e5852 100644 --- a/include/linux/firmware/imx/sm.h +++ b/include/linux/firmware/imx/sm.h @@ -8,6 +8,7 @@ =20 #include #include +#include #include =20 #define SCMI_IMX_CTRL_PDM_CLK_SEL 0 /* AON PDM clock sel */ @@ -20,4 +21,17 @@ int scmi_imx_misc_ctrl_get(u32 id, u32 *num, u32 *val); int scmi_imx_misc_ctrl_set(u32 id, u32 val); =20 +enum scmi_imx_lmm_op { + SCMI_IMX_LMM_BOOT, + SCMI_IMX_LMM_POWER_ON, + SCMI_IMX_LMM_SHUTDOWN, +}; + +/* For shutdown pperation */ +#define SCMI_IMX_LMM_OP_FORCEFUL 0 +#define SCMI_IMX_LMM_OP_GRACEFUL BIT(0) + +int scmi_imx_lmm_operation(u32 lmid, enum scmi_imx_lmm_op op, u32 flags); +int scmi_imx_lmm_info(u32 lmid, struct scmi_imx_lmm_info *info); +int scmi_imx_lmm_reset_vector_set(u32 lmid, u32 cpuid, u32 flags, u64 vect= or); #endif --=20 2.37.1