From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from DM1PR04CU001.outbound.protection.outlook.com (mail-centralusazon11010062.outbound.protection.outlook.com [52.101.61.62]) (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 B41FB2E06D2; Wed, 31 Dec 2025 02:51:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.61.62 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767149520; cv=fail; b=doBQIaIRkciOGKBIaqvFXky07MmfOyVT7KTSs+AfNW9YDCU1NNeVaDkFSghqNyy0F+71szDnk5T9/kyIJzopGHT4Bq/g1BfIkLrMRcqDwGquwNJyb3hWgEsJIKhzf/TtdSSiwubLTwB/UU48xhi/6Oy1GAfBc8ApHFNtAH4mpig= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767149520; c=relaxed/simple; bh=w3psUdobO71ZQF7bt+ubEo1RjCG8YonAnmkCrF78keg=; h=From:Subject:Date:Message-ID:MIME-Version:Content-Type:To:CC; b=PKYnuxCa0gWJJyZb+xC4D3dC/D0m7wc7nqCoici6H9zAlRg0kZciIfyKa8PERVWfkjUQv1ZF8jHdP4w8cfVb4InlHhsIpmLaQwsqS5WOktaz9D660NrzkQ/28bKBJdxBGeTnbrK/sEvWcAnP9/cwEb2nlA67u1duOVq8mWztCQU= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=wPpuaEtS; arc=fail smtp.client-ip=52.101.61.62 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="wPpuaEtS" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=uTdAbj1/LtQcLSkE69V6KcjO7vVph0l7jWbFctryd2BoT3BkrzntTJ/AFDQXsB7gtNXkfCp9MHVXFoPLYkbSisTolUzITc9WM+1Nd+/5WGKQ6ruxmL6aY6Ou0gM2cyfaI69GXoA//FNhVj1eXr/3/3Knm56gy7ePRt/gJfFBUuqROAKAH7xjz0k/h/90hdps7CPLP88h++Z5iQ0X4TOXM9z03UB7RJSrJXRnlJE1hKb30ok5gP+UDQZQXqU3Clh/qGnMkwJzufPjM328NtEOdirq15pjrnmTdj4LcvbitS884HawKz5w2bhDRz/uDRwg6i8Mds4fRAPe7pyqAwZ2fw== 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=XoFo2WnfpYdg9zZPPbV+sGZ6NmmshfB4IylRwTRCDpY=; b=HQtk1TgR2TIHFG+j0mBGIRl5eTVsBz0mZ/EEiDmatYMSgxytc7F40TQToNOJuqpVrhIe3cn8Wf58gaCqvZ2K1utqFPnqHk6keKHeXXHj4VW5ZppT9GA55rx4OuBdxAX1gYCSMv7PHQIaHRMjAr9TIH27g0DtAC2rG0ccXeEHfVXY+2yS8KjHVycjggVo7UGzGfcRI3E753JH1u2X0JdigBMaOSVR895mOg67ToRNqqg2V9czFyYeyrygLku3k8J/ha+YpN34nsC0KXk0DoXXMRePdl6cG3AX4Xrgx6hKhgtKs7nGSIcGXQ7Ptwynaypg0XeaK/39bA07P4SgNnbLEA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 198.47.23.195) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=ti.com; dmarc=pass (p=quarantine sp=none pct=100) action=none header.from=ti.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=XoFo2WnfpYdg9zZPPbV+sGZ6NmmshfB4IylRwTRCDpY=; b=wPpuaEtSPj9WkP9tvFzWQm75VrXRhbzm0+GjkYkgjccHbN48+AsWUxh8PVR7YG/2az17r1ydyt93QQucmcjs+gufMNyobj6urhg+jlBgxxm3wzugvL/OwRdOn9r2mvSYossak3W4xnvKY1ZXoNA4/ehr/3mt9K2Zn8dE7WN26h0= Received: from BL1PR13CA0268.namprd13.prod.outlook.com (2603:10b6:208:2ba::33) by LV8PR10MB7918.namprd10.prod.outlook.com (2603:10b6:408:1f8::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9456.14; Wed, 31 Dec 2025 02:51:57 +0000 Received: from BL6PEPF00022570.namprd02.prod.outlook.com (2603:10b6:208:2ba:cafe::ef) by BL1PR13CA0268.outlook.office365.com (2603:10b6:208:2ba::33) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9478.4 via Frontend Transport; Wed, 31 Dec 2025 02:51:33 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 198.47.23.195) smtp.mailfrom=ti.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=ti.com; Received-SPF: Pass (protection.outlook.com: domain of ti.com designates 198.47.23.195 as permitted sender) receiver=protection.outlook.com; client-ip=198.47.23.195; helo=lewvzet201.ext.ti.com; pr=C Received: from lewvzet201.ext.ti.com (198.47.23.195) by BL6PEPF00022570.mail.protection.outlook.com (10.167.249.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9478.4 via Frontend Transport; Wed, 31 Dec 2025 02:51:57 +0000 Received: from DLEE201.ent.ti.com (157.170.170.76) by lewvzet201.ext.ti.com (10.4.14.104) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 30 Dec 2025 20:51:50 -0600 Received: from DLEE213.ent.ti.com (157.170.170.116) by DLEE201.ent.ti.com (157.170.170.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 30 Dec 2025 20:51:49 -0600 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DLEE213.ent.ti.com (157.170.170.116) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Tue, 30 Dec 2025 20:51:49 -0600 Received: from [127.0.1.1] (uda0506412.dhcp.ti.com [128.247.81.19]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 5BV2pn4u1608844; Tue, 30 Dec 2025 20:51:49 -0600 From: Kendall Willis Subject: [PATCH 0/3] arm64: boot: dts: ti: k3-am62l: enable WKUP UART wakeup Date: Tue, 30 Dec 2025 20:51:39 -0600 Message-ID: <20251230-wkup-uart-wakeup-v1-0-cd6e15f8d956@ti.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIALuPVGkC/x2MQQqAIBAAvxJ7TlAjsL4SHbZaawlKtDIQ/550m znMJAjkmQL0VQJPDwc+jyKqrmDe8FhJ8FIctNSt0o0Ucb+duNFfIuJOhc00zV2LaKwhKJnzZPn 9l8OY8wep2IYMYgAAAA== X-Change-ID: 20251230-wkup-uart-wakeup-8bbc95aa8f8e To: Nishanth Menon , Vignesh Raghavendra , "Tero Kristo" , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Dhruva Gole" , Bryan Brattlof CC: , , , , , , , , , Kendall Willis X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1767149509; l=1580; i=k-willis@ti.com; s=20251230; h=from:subject:message-id; bh=w3psUdobO71ZQF7bt+ubEo1RjCG8YonAnmkCrF78keg=; b=gBOOyhSY8hJB//aKule1DgUJCt29DLVVYyMrkUsapcVyBeEOKe+GgRSn8JmFOZpHkxjpZx80Z DHAqWhCiUG0BhRaMWJL6PB4bo/TiglWQdikynLNAWwKGfKThybbaSSh X-Developer-Key: i=k-willis@ti.com; a=ed25519; pk=fQiPVFwmogfDAKdaAKq163RWSfgHZVE/MrsDzp0Xo1k= X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF00022570:EE_|LV8PR10MB7918:EE_ X-MS-Office365-Filtering-Correlation-Id: cf106f9d-3272-4fb3-d0a2-08de48179009 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|82310400026|36860700013; X-Microsoft-Antispam-Message-Info: =?utf-8?B?SGllelRUOHFFZ1VLQzRJZHVtOFpLWE1NVk1DVmQ1cUlraU9Ec0pWbjh2NlB2?= =?utf-8?B?OEVYU3VsNUNFVkEzRHNhQUdLbitZN1hKU1JHS2JBWDFSS1FwUmF3SEQvaC8x?= =?utf-8?B?Nm1oRDhsZVFWUUJwWVN4QjVCbi91dVBYa01nTzBEZTZ0YkxpdFZkUmN0aE0w?= =?utf-8?B?b1p1YVI3SGZobGMrYkZVdS82Kys3bC9LVVBwZk9FV3ZzUytxMGxlVGo5UUJW?= =?utf-8?B?WFF0Y2kzKzVocUczYjJBOTFOeVJBOG1vMXJadDBKZFJBTUExQlpvSWUxZllq?= =?utf-8?B?VW1Wd0ZURjZLb2dhTmtpTGVvbE1maVROTU03VTQwMmU1cFp4SFlsZDk0THNw?= =?utf-8?B?OFRTYktZbW5MQ2txYlhKUVNEZXRadkJrV3BFVjhKYzNpWmxsN0F2NWxsOU5X?= =?utf-8?B?c2t3ZG0vUTVONHRDekFOTWJIQnJGSVZNNWZ1SGFpckhvQ0JNQWlFRWFSbUFq?= =?utf-8?B?SEhRZit6eWJZeTZ1L2QxRnBjN1ZNUDFnK3JaeHVld0RnaDRsREE1ZGQwUGpR?= =?utf-8?B?c2laL1FmYWVaTTl2RlJzOXhGYjc3czZ2eGU1WTF1ZTE3QUNhNXZ4ajg1cEN6?= =?utf-8?B?VFYyT2srcXFjRlRNQkM0c093TnhUUEJoN1FrdnB0UmEvQi91cWRrekNaUEU0?= =?utf-8?B?SDhpOHpoUjhMQjZaamR6WkNoV3BNZUdBNFN1K2R4VmcwZTdwK0c0QndsUkpC?= =?utf-8?B?dGxmK1FMeThnWVk1K3VqZy9hZHFpWDlFMTRvNkpmZUF5dHB5Mkp2UnF4LzdF?= =?utf-8?B?eDY5TnA5dENsQTZrQWVVZWRvNnZIQUFjaDliZHpEazlkQVkwU3p4YnBMd2V0?= =?utf-8?B?eHNtK1lrVUVOcEN1enJJYnBFaTdJTmVXeUpIYXlXbDBWckwvLzZ3TlpYU013?= =?utf-8?B?OFRBVUVIMzhYQjNRUFYrRTVXYmdDZkR0V0ZHUS9XT21OczBKaWpQNXl3YTFS?= =?utf-8?B?bnpJbmJIWGx0aDlqTnhhOEp4azhjUHAyUmtaV3pyeVJGTjhLYXpBTWFMK1hu?= =?utf-8?B?Z09CSEJSck9jSEhlUXJxVHJsa1NhS3B0RnhUeWpVYUVuTGI1bXJDMWtENEhs?= =?utf-8?B?VkFXaTZyajMrOXZscWpWQUpCdWxrNDB6TGowVTJld2pCeFQ0YmxnanMzKzdR?= =?utf-8?B?a3Rza2gxNjFDY3JjUFY5dXlRWkRKT0JpbUxFYXlJdUtlRWtQVXJYSFhCTnRl?= =?utf-8?B?bm9zWW5sYll5OEhYTHFNY0pwRXZneEFzSjFZQ3dCUGhjdzZEeldsdEM4NFBH?= =?utf-8?B?Y0RtbmNGUVAvbGlFVkFVTTJxRjdqTmR1Y3RIa0dzdXR4bEwxNVNLM3JVWEt4?= =?utf-8?B?UkNyV2hlbGVzV1lOWHM4bi8xRjBQR2M5cVlLY1RNRHBPRkc0S2dmRUY2QVFT?= =?utf-8?B?TVU0UVRMRHEyK1N3SGh0ZnFYTlNGL1VRUFRFNEtqVUVrSFFnWDhpQVF2aGtE?= =?utf-8?B?WW9sa28wZng2WTFyQzZZbTIxa3UyWTZDUTlIU3NLK0xzNjlUbFdJcUV3aTFm?= =?utf-8?B?L1BOeldJTUdHYmk1bkZ0ZWs3NGd1SnlrQ0RRc0dGQ0prUUIzbFl3WG5nMll6?= =?utf-8?B?U0lEQXZLT2pxRHprM2pGRlZkQldWMkx4R1ErWkpTRGswdVUxc3JJNWZSSzZw?= =?utf-8?B?dkZOUEJNRzA0VFhodjZJemZqZlFlMXF1c0RRM0VuTmFmYnVlaVpCNUV6cGda?= =?utf-8?B?a2IzYjBGSkJvSnFWeVlDeGVSS1E4RUltZUxvUm5PT08yNkQ3bkxCaWkrR0dq?= =?utf-8?B?a3lQcjcwWEt2ZzlXNjFYY3Z6NEZIYTB5anVmN3dhWVBadTcwbjI3WkxJYU9E?= =?utf-8?B?MjBPWXkrM014d2h3aFFXa1pTNzJ3di8zVk9yc1pGT2ZBcVJwc2crOTR4Qzls?= =?utf-8?B?ano2RDkvS0VHeGRYbExrVmNYUmEyNWxERzYvVnJBazlwSzhkVGhiQ3JGTlhm?= =?utf-8?B?bWRjbzFXMCs1U0xFTDdCL3VURFVlMS9TczZxditKcU90RzBtN2VYNGc3cnFr?= =?utf-8?B?YlBhSDE5MjZHa0N3QkhNQnFubkd4R3lLVy9sRldVS0Q4MGl1bGp6dXFwSVhq?= =?utf-8?B?U2tPbXFQV2h6bDJsb2xsczhURDRtSXVEWEdmNzBMN0JSMlVnc3pCaHVNbWNk?= =?utf-8?Q?YEoQ=3D?= X-Forefront-Antispam-Report: CIP:198.47.23.195;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:lewvzet201.ext.ti.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(1800799024)(376014)(82310400026)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Dec 2025 02:51:57.0054 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cf106f9d-3272-4fb3-d0a2-08de48179009 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.195];Helo=[lewvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF00022570.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR10MB7918 K3 TI AM62L SoC supports wakeup from WKUP UART when the SoC is in the DeepSleep low power mode. To enable WKUP UART the target-module device tree node is enabled. The ti-sysc interconnect target module driver is used to configure the the SYSCONFIG related registers to allow wakeup from WKUP UART when the system is suspended. Refer to 14.7.2.5 UART in the AM62L Techincal Reference Manual for registers referenced [1]. Previous TI SoCs configure the WKUP UART to wakeup from system suspend using the ti-sysc interconnect target module driver. Refer to commit ce27f7f9e328 ("arm64: dts: ti: k3-am62-wakeup: Configure ti-sysc for wkup_uart0") for an example of this. Testing ------- Tested on AM62L EVM on v6.19-rc3. Suspend/resume verified with the WKUP UART wakeup source by entering a keypress on the console. [1] https://www.ti.com/lit/ug/sprujb4a/sprujb4a.pdf Signed-off-by: Kendall Willis --- Kendall Willis (3): arm64: dts: ti: k3-am62l: include WKUP_UART0 in wakeup peripheral window arm64: boot: dts: ti: k3-am62l-wakeup: create label for target-module arm64: boot: dts: ti: k3-am62l3-evm: enable WKUP UART wakeup from LPM arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi | 2 +- arch/arm64/boot/dts/ti/k3-am62l.dtsi | 4 ++-- arch/arm64/boot/dts/ti/k3-am62l3-evm.dts | 4 ++++ 3 files changed, 7 insertions(+), 3 deletions(-) --- base-commit: 5dc233097d4f94776c0c3f6edfd7476281478dc3 change-id: 20251230-wkup-uart-wakeup-8bbc95aa8f8e Best regards, -- Kendall Willis