From nobody Mon Feb 9 16:51:18 2026 Received: from BL0PR03CU003.outbound.protection.outlook.com (mail-eastusazon11012026.outbound.protection.outlook.com [52.101.53.26]) (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 C865923C4FF; Wed, 31 Dec 2025 02:38:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.53.26 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767148723; cv=fail; b=oHmTot3nNyZOdL5c4igQ83qSweUv2wgs75Rj1Nu2Ukf99Mx2Wwi4EIjVD6ySLu8HGcplWgeYyWsE9zPFv4BolQsCme5STB1bLiIyKXiAwwra3ZZ8VAnQOueFZn0xbaCFJLeFb51+Ggmo3OT7pGFYC2fUWzhheLD806NLM/V8mME= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767148723; c=relaxed/simple; bh=U0XurmaEYp91Fe5ntzcO14+AELqqfFnzIH5N3wtsuks=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=jtAxRtQe++4ro14JuDNVGMnQ8ThvYFTYW0sXRMp1fmEXEaXcd0+YyyoBs7OEX9405Nom1OnpWqZAwMd64TSaFqbKyk3loylGVljzc2RtS1FrQy4k7d0fr7JqfFpye2uuBMAxGK9kUhU1TcxmXgPO5TpIb0+06zt6lZFCCgoNlHQ= 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=s7SIo7OT; arc=fail smtp.client-ip=52.101.53.26 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="s7SIo7OT" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=ixz+U2CNXUO0jCT3f+ADepU7PlGw9L86MNq2YZxAP7A+LAFSX+yF6E1MM/PFwu4Fh1sLOXPioeH1YB13+RFd37ehptcOEx9nhXUk5674W3boDpGHjdR6QJxhYIZ4RQKl14KuLOK+0MtX9abAItVldmOd6DndimXXIWuqkUcPcoYFfsxndO+b36cJNuqqmphsd1xlc+dOCiYluT/Vaz3Lxi9Ixhso1wxIqL41y1wqHQ4MHprQm8SDmOAZQuT2EgtqlXHq1TYQ3yqDl9HvMemW/sYSHQL6AZyse9AVsl6Xn4qUcoN3ONNVw/+UQygNs747QP3W7yhE8cdRQKwIfCtIIw== 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=KMU2eVOQenLZX0VwOI0/Zp2q4tE02ZFFt8H0thylxQE=; b=V5khTojRV78xfXHmz1yQe4qPa9nsNhOTpsm7F9Pgz27tnaRs/TZsbfevSb5/xuX6n7/TZORxbi86dX7s/f5WvKelgJmG/uw+z6RP8+7ybIO1rFt1GFEsRIcOwNw930Fmlun8RJGpCSRGt0BrcJn1kNRBHfquXw4WU6spAiEls7mK0oWUQ4MEwfDybH4C2scP9h+12qLkt7jg7AB3732aPQMLJlnwWGqpQoqs8PIdEXZcRXM9Lh22tI4omhT3DpH0aPQq4E5ykfvUHI3FAqSzSTfFLv8PnJgfP+rTFPNg7lC+v/PwxQwcDYjAtsNaDumG3Cgx4i+AqcLj1xYEH2O/qA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 198.47.21.194) smtp.rcpttodomain=baylibre.com 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=KMU2eVOQenLZX0VwOI0/Zp2q4tE02ZFFt8H0thylxQE=; b=s7SIo7OTLjtYcmrkzvbTHc4d6VjeM4VJiXNcstqDebV3GnpYEY0fbK5+haIuHCDiNVO3g2vIIF9l65nPlYwIwz9FEhSzHTrwQxid+RjibDKyVLhtIiQzoLYuastH3WhlYAgCMipjb2lnpmnsHfsDLLk+afRqlT/TTPL06aEcMWM= Received: from DM6PR04CA0021.namprd04.prod.outlook.com (2603:10b6:5:334::26) by IA3PR10MB8044.namprd10.prod.outlook.com (2603:10b6:208:515::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9478.4; Wed, 31 Dec 2025 02:38:38 +0000 Received: from CH3PEPF00000013.namprd21.prod.outlook.com (2603:10b6:5:334:cafe::66) by DM6PR04CA0021.outlook.office365.com (2603:10b6:5:334::26) 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 02:38:34 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 198.47.21.194) 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 198.47.21.194 as permitted sender) receiver=protection.outlook.com; client-ip=198.47.21.194; helo=flwvzet200.ext.ti.com; pr=C Received: from flwvzet200.ext.ti.com (198.47.21.194) by CH3PEPF00000013.mail.protection.outlook.com (10.167.244.118) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9499.0 via Frontend Transport; Wed, 31 Dec 2025 02:38:37 +0000 Received: from DFLE213.ent.ti.com (10.64.6.71) by flwvzet200.ext.ti.com (10.248.192.31) 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 20:38:34 -0600 Received: from DFLE214.ent.ti.com (10.64.6.72) by DFLE213.ent.ti.com (10.64.6.71) 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 20:38:33 -0600 Received: from lelvem-mr05.itg.ti.com (10.180.75.9) by DFLE214.ent.ti.com (10.64.6.72) 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 20:38:33 -0600 Received: from [127.0.1.1] (uda0506412.dhcp.ti.com [128.247.81.19]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 5BV2cXV91704518; Tue, 30 Dec 2025 20:38:33 -0600 From: Kendall Willis Date: Tue, 30 Dec 2025 20:38:21 -0600 Subject: [PATCH v2 2/5] arm64: dts: ti: k3-am62x-sk-common: Enable Main UART wakeup Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20251230-b4-uart-daisy-chain-dts-v2-2-fa5257ec54bb@ti.com> References: <20251230-b4-uart-daisy-chain-dts-v2-0-fa5257ec54bb@ti.com> In-Reply-To: <20251230-b4-uart-daisy-chain-dts-v2-0-fa5257ec54bb@ti.com> To: Nishanth Menon , Vignesh Raghavendra , "Tero Kristo" , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley CC: , , , , , , , , , , Kendall Willis X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1767148713; l=2088; i=k-willis@ti.com; s=20251230; h=from:subject:message-id; bh=U0XurmaEYp91Fe5ntzcO14+AELqqfFnzIH5N3wtsuks=; b=KEkVVXtuL83N0uLibvL89rFVZYpFRRgJZ4xydfK3JeKcxs4tG0vQaOaATQ2bOqEQiwMbgBiVF aQwAk4Zk0xEA3CEwm4gwlFS5kPrvjMxm2iepOAqM7czjdrLVXo2RNPQ 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: CH3PEPF00000013:EE_|IA3PR10MB8044:EE_ X-MS-Office365-Filtering-Correlation-Id: 665e0f42-1d00-47c0-74f1-08de4815b34f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|376014|1800799024|36860700013; X-Microsoft-Antispam-Message-Info: =?utf-8?B?aDI4WE5GUFEvNzZobjBiTzZhVXN5a0thNFZSQVE5NGxDNk5maExwS1B6cXVY?= =?utf-8?B?MGRnMVJhMzRvL05NNUlHb1k4VlBPWVBCN1JFVWhENlFiWXdEYjFwWVJNZlBY?= =?utf-8?B?UVBMQ2ZhTjZaMXpSMm56VVpjd1JSN3gzTklDMzJBUjZ4ZStPb0ZodENMTDRC?= =?utf-8?B?d3BWUVFMMTVFSjBTVGpDVzhjL080Qk1pcitDS0pQc1lIaEswelQ4NGl3ME4w?= =?utf-8?B?NHpTd041d0ZBcGFvUEFjdmE0Z05xRlYvb1N1M3hURGE4dVNNcXZwS1RhZG1t?= =?utf-8?B?ZzNKcXE4eUwvaTJsN1ZqSDdoSUpDZzN1RUpBQkE0bXRuQmlOSVYzSU1oSERS?= =?utf-8?B?dkRYQTBpbkI2ejFtMm9XYWljclo4UjkzZnRGeXRqNlhjb2VIUXc5bzRJeGtz?= =?utf-8?B?N2JxQ0k0ODk5L211dkZ3bWpMa0hzb2dmNkNSaW41RnkyZjA1N25IQXR5Y0NS?= =?utf-8?B?ek1NTU9HazVHdzB1MFl4NnBVM3o2eHNoUlUxcTA2bE1jWjMwaElaWWNUU3M4?= =?utf-8?B?WmpYb2RTeFMySUFRN2IyanVKUHZtVnRBQjh2WHgrNTA1ZDhJZzRYQXhnTXU2?= =?utf-8?B?V2oxSFlTU1FMWUI1VFc2MHEwUWtISm11TDY4RnQwcDVEV095Y1dyRnVjZVVy?= =?utf-8?B?SGNXci9nYkNFOENlanRFaHdxYWovdzVxalFuUTdXbE9ocDMzbDFpNVBnQllp?= =?utf-8?B?eDNic1MyR1FwUGFpWEEreVYram9pRHJnS1ZqSmZCR3MxSkNFeHN5M241Szc5?= =?utf-8?B?RHVLOUFuaWF0eG53N2lRTmtvSTVXQXdvZUVJaWJCZWJMUXZ2WmUvNFFrdlEy?= =?utf-8?B?R3R2c3VpaTd0bGFNMVprYXVMM0NOMlpERy9uVHFGWmovMmZtL1JyNzBwU2pp?= =?utf-8?B?ZytxdXljMXNyNlhsUnM0WUdrYjZKUGdEZlIvekpjM1IxQUZmSUl0TUNuTm9K?= =?utf-8?B?aUpBdkowc2pOZ2ZIOVVtdGZWaHZncHZqVTZhUlY0NVFuNDRtVGdiYVIweVRS?= =?utf-8?B?RXIvWU15SzdTdU11bm5wWlVwUW1JTG9lU2lYRHZjWWl0dE9zNzFHUWw4YTNO?= =?utf-8?B?Ymc5bGxnR0ovbTg1ZEQ1TVZGOWNBbXlPSklWdEZlNGg2aWFYbHFlc0V3cXIx?= =?utf-8?B?RHZSckRtYVlBTkdqUzJPaHlFNDZKUVV4VzFLb2podmdqdmtBZzRzTG02Yk5u?= =?utf-8?B?cEt4OUdETWw2QjRleVNFTy9RK09FOG5zUndpZkFVcnhUQjl2cGVKaThvcFFS?= =?utf-8?B?dEs3ZTJJNGg1OE4zbllhb2d3Z0NwUWcra0EwRXJOT1VnL2wwSTkyUEdWV05C?= =?utf-8?B?bHA4Mkd3QVZIMnYrcVdzOFN2Mk9kV3JjbGFKMTBwZTU2cUtIeXhRZnRlSHh0?= =?utf-8?B?bWdYYXVBY2IzcGVmZmViWEV5Z0lPUWk0RjBPcXhGY01wcUwvNS9ObmtWemFU?= =?utf-8?B?M0EzOVU0V2RnNndrajh3S0lMNUxqVzlZNERlQVoxdkt6QVovTncvVEIzRXB6?= =?utf-8?B?MGdraW9EaFMvVGpWdXV5L3g3Uk95RG9PQjdiNlRnQVZyYmc0ZDZjTmtvY3Jk?= =?utf-8?B?ampqWXNIOG1Wci9DTWFXNE8wRGNWYU9qWE9NT0JvZTI0SGFuaVU2ZlBFYlEr?= =?utf-8?B?di9CSzMyZ2JTNE9Wc2lrc2c5ZjA3VVNDeXFhdDlrbDJ1V1M0d0h0c1Fxcnkw?= =?utf-8?B?MEx2eW5nOVVPY0VzcDI4SHlsQVRVL0RSZEJnL1pad1VRM1V6Wm12WnNXWUFZ?= =?utf-8?B?dEZYY1NHd3pvTmVsL3BXZ2pIVzdoWTRqZGlkTXpQcmlhS1d1K1ozZUlmaUFt?= =?utf-8?B?THNmOTVZM0dMOWZjUlFING5YWEx6aEVrdzQ0S05hKzV4R1NuQzVPUW5wUi9O?= =?utf-8?B?YytvcUVDbnBjZEhwYzFtaEhkeDM0bENxMEtUVDlCMzI3Y1NyTSs1aGVXcWVh?= =?utf-8?B?MllvVVBVVEVkNGptdE5LeU9sSm1salRXdk1LekJaUSsyRW54WWx2VW5ta3Vi?= =?utf-8?B?OXhTZ2d3L0VKeGVveDRCYU9jRWNuUmREb3JqZVRrTEFINGZ0V2t4Sk42bHlr?= =?utf-8?B?aHlwcDJIVkZsT2RETmxqSTM2ZEtPcmg5Q3M2VlY5cERVZUVqNEwyYVQxSHNo?= =?utf-8?Q?GmbE=3D?= X-Forefront-Antispam-Report: CIP:198.47.21.194;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:flwvzet200.ext.ti.com;PTR:ErrorRetry;CAT:NONE;SFS:(13230040)(82310400026)(376014)(1800799024)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Dec 2025 02:38:37.2246 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 665e0f42-1d00-47c0-74f1-08de4815b34f X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.194];Helo=[flwvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: CH3PEPF00000013.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA3PR10MB8044 The Main UART can resume from suspend to RAM states when PIN_WKUP_EN is enabled. Add the necessary pins needed to wakeup the system. Add the system idle states that the Main UART can wakeup the system from. Signed-off-by: Kendall Willis --- arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 24 ++++++++++++++++++++--= -- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/bo= ot/dts/ti/k3-am62x-sk-common.dtsi index 50ed859ae06c47af38b11753d909a91485d438e5..e84356a971ee5a2c1c799eb5a18= 30cc8efc9adf7 100644 --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi @@ -143,14 +143,26 @@ &phy_gmii_sel { =20 &main_pmx0 { /* First pad number is ALW package and second is AMC package */ - main_uart0_pins_default: main-uart0-default-pins { + main_uart0_tx_pins_default: main-uart0-tx-default-pins { bootph-all; pinctrl-single,pins =3D < - AM62X_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14/A13) UART0_RXD */ AM62X_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14/E11) UART0_TXD */ >; }; =20 + main_uart0_rx_pins_default: main-uart0-rx-default-pins { + bootph-all; + pinctrl-single,pins =3D < + AM62X_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14/A13) UART0_RXD */ + >; + }; + + main_uart0_rx_pins_wakeup: main-uart0-rx-wakeup-pins { + pinctrl-single,pins =3D < + AM62X_IOPAD(0x1c8, PIN_INPUT | PIN_WKUP_EN, 0) /* (D14/A13) UART0_RXD */ + >; + }; + main_uart1_pins_default: main-uart1-default-pins { bootph-pre-ram; pinctrl-single,pins =3D < @@ -322,8 +334,12 @@ &wkup_uart0 { &main_uart0 { bootph-all; status =3D "okay"; - pinctrl-names =3D "default"; - pinctrl-0 =3D <&main_uart0_pins_default>; + pinctrl-names =3D "default", "wakeup"; + pinctrl-0 =3D <&main_uart0_tx_pins_default>, <&main_uart0_rx_pins_default= >; + pinctrl-1 =3D <&main_uart0_tx_pins_default>, <&main_uart0_rx_pins_wakeup>; + wakeup-source =3D <&system_deep_sleep>, + <&system_mcu_only>, + <&system_standby>; }; =20 &main_uart1 { --=20 2.34.1