From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from CH1PR05CU001.outbound.protection.outlook.com (mail-northcentralusazon11010065.outbound.protection.outlook.com [52.101.193.65]) (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 5C1A92F28EA; Mon, 5 Jan 2026 11:26:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.193.65 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767612380; cv=fail; b=Moo7qtWXaw3Gs9QK9j4mjEtKbMs2IF32LoO0DfI/aXPCqOUWpEL+pVi+dcU93GvYkDWzHLjItl7KGAE2hnxHuGAxVapZyjOuHhvJ70xiXTMGaKRj9JEpzQ2Ov/hmaFIPHMzs7rg8YT/B784c/xUKzPVZteOu4jPnsXI+DYNVQOI= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767612380; c=relaxed/simple; bh=cyBnaRtVPkLA3IeG3g8bK4hBOf6kME0fDQ49WQfMMoA=; h=MIME-Version:Content-Type:Date:Message-ID:From:To:CC:Subject: References:In-Reply-To; b=MeSdyVra2iijW0+jWrDuElexss1qCAEnCluWwN2Z0SzOoLVQDowuIx9TixF2Wf1TnSyrqjnzy/SDxQ5SdbVXOc1OfLnwvFWZzvg8h8u+scKKWAv8e2WV8N5ZTjuVW7ZVrZqMXBKwkF71Q7QDBkNRqYxReY06D75n2VjvFpDCUYY= 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=o9sFHbeg; arc=fail smtp.client-ip=52.101.193.65 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="o9sFHbeg" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=ZFfls8nvHwrvOHVJNJMXsnRwXhCc1CodR6mVyZZ5QFGR2yBsxZYJtALxznXlf8UU+alaGtYyAWvano/5ztaYmOCpnAO4j1+aHDwgEK4js4Gyx3NzXmvXV/U2NJY39QxjsTRYB7GfNLlNk3TejjxzNosWzSIAV/VCwLKTGwQ7N4fYH2FvtXW0P8unDFS0KqoI4n91R3OQkTvSK0OWyD+M/WlTtb9X/McUksTYzmhJxVaTwCEgrRWGkeWRxSGMo0m++R5M2lV8p2JadY7OdZ2ok+c4oVjoHHwFaPD2tADnql418x/GAYa2lHSSNT2AvdsqA+Q7dtbrwKEjb9EnvBTonA== 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=T/89jwACi1TKpA05n/HrFMyAa3LWf2vlTO//D9DFKrY=; b=ac0uXT8evpPje2wpda0ryVw3JWi3KWqzJ+SRm1zZS8dJUC+upCVGZV2C5Bk9T/YPuuk0w8vr/08oqyDcfq2N8nep2tewjOzJT4Tgnc5vipfCHtTWUlXszqqu6l0KdyfFMibqU+upi6piPhC3+U83ZM7Dox+Oh5q23Lsck+E9niDM6F08234cFP66kTf+PrPKfkBWeDzbYbQRcMbti26c0CNdECZeZf69F0nMMo3PgSi/YNJvT8JzOtXkuBKMtGgsjq3r9O/SJX3k+aPAo1Gjyzt710uboUPXNDR6Qbh1r++fXkCxbl7YnLl12Cge/Jjj9x/M4Z93kWj3OOaVfbV22Q== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 198.47.21.195) 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=T/89jwACi1TKpA05n/HrFMyAa3LWf2vlTO//D9DFKrY=; b=o9sFHbegcHZ6wc7IAbPJYRlmLES3uq7Iy2RT9q5loHRkA3QJ6oEzLnfP7XUoqeVPyO5yF6jGiPrE9poiV1mMI5Baw0WQjZ15RMZdH38XfQeCd27zXjmj9Tk8lFUfEgg5ynQZHcuyO/pGXWxOcIsj+UsUK0LIV3odc+zJ9amjOYM= Received: from CH5P220CA0017.NAMP220.PROD.OUTLOOK.COM (2603:10b6:610:1ef::8) by CY5PR10MB6093.namprd10.prod.outlook.com (2603:10b6:930:3a::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9478.4; Mon, 5 Jan 2026 11:26:15 +0000 Received: from CH1PEPF0000AD77.namprd04.prod.outlook.com (2603:10b6:610:1ef:cafe::8e) by CH5P220CA0017.outlook.office365.com (2603:10b6:610:1ef::8) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9478.4 via Frontend Transport; Mon, 5 Jan 2026 11:26:15 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 198.47.21.195) 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 198.47.21.195 as permitted sender) receiver=protection.outlook.com; client-ip=198.47.21.195; helo=flwvzet201.ext.ti.com; pr=C Received: from flwvzet201.ext.ti.com (198.47.21.195) by CH1PEPF0000AD77.mail.protection.outlook.com (10.167.244.55) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9499.1 via Frontend Transport; Mon, 5 Jan 2026 11:26:13 +0000 Received: from DFLE202.ent.ti.com (10.64.6.60) by flwvzet201.ext.ti.com (10.248.192.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 5 Jan 2026 05:26:11 -0600 Received: from DFLE209.ent.ti.com (10.64.6.67) by DFLE202.ent.ti.com (10.64.6.60) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Mon, 5 Jan 2026 05:26:11 -0600 Received: from lelvem-mr05.itg.ti.com (10.180.75.9) by DFLE209.ent.ti.com (10.64.6.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Mon, 5 Jan 2026 05:26:11 -0600 Received: from localhost (dhcp-172-24-233-105.dhcp.ti.com [172.24.233.105]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 605BQAiY1191156; Mon, 5 Jan 2026 05:26:11 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Date: Mon, 5 Jan 2026 16:56:10 +0530 Message-ID: From: Anshul Dalal To: Nishanth Menon , Krzysztof Kozlowski CC: Anshul Dalal , Tero Kristo , "Santosh Shilimkar" , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , "Andrew Davis" , , , , "Vignesh Raghavendra" Subject: Re: [PATCH v6] dt-bindings: arm: keystone: add boot_* mboxes to ti,sci X-Mailer: aerc 0.21.0-0-g5549850facc2 References: <20251222-k3_syscon_add_boot_mailboxes-v6-1-b93ada9f1d47@ti.com> <1844147d-543d-4739-a1ec-a59f8a4564fb@kernel.org> <20251229174638.btuhliymlmuy5op3@submarine> In-Reply-To: <20251229174638.btuhliymlmuy5op3@submarine> X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH1PEPF0000AD77:EE_|CY5PR10MB6093:EE_ X-MS-Office365-Filtering-Correlation-Id: 932b69f3-636f-4519-e1b1-08de4c4d3c44 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: =?utf-8?B?b09OanpsZlZBS01hNmoxNU1Oem9raWFzcVFpSE5LTXVnRnV6MktiQ0hGTmNI?= =?utf-8?B?a0NkN3VDQ3Izd1MvVjVWV2dJRjNmZnpNbVdVMkRoYjF1WitrQWNNWjBGb3lI?= =?utf-8?B?ZnpNQlVadWdrek9odWw0dUVhQ05DN2RjZ2lzL2hxSFZSVXljcUx3NFJFUGN3?= =?utf-8?B?azJVK1BCdXpjV0plT0p0eHFTWk9mczZqZWloTHJnSStDTUhPQXJyMXVMejZG?= =?utf-8?B?d28waTErVWVJcjlibmdsdE5Ncjk3SlgyVytuNWp6S2JsUDkwamxzRG5oZFZZ?= =?utf-8?B?dXZHdjRaL29WWkpJTTdyTUNXTEZmQlFBYmpHK2NwU2ZjbUtCYWhRY3N4ckpJ?= =?utf-8?B?Ryt5WHMxaXFiMS9XNFZmT3pyNFBGTjJjNmhVdDVVWnZ2MURIQUV4YXNRbEdo?= =?utf-8?B?SGw3YW1jb0g3c0ZucExlM05QYTFnTmJESUF2K2ZtY3BxQVFtQnltcnJENDlL?= =?utf-8?B?S2tMcG96WUE1OHV6N20yVlhsUU8wN005eXFVV3kvZ1RwOVI0a3dKdnFwL1pp?= =?utf-8?B?WWQ5dHI2bFEwV21Nd29aWHJWdCttZXp4R2lxNkZsRVJpZVQ0V0tmYjg4QUZt?= =?utf-8?B?SDhhR212N0NGaVNaWVl6Qnp6RHNmc1lQREczdG1JWTBXR1NhbW1IMldyMGp0?= =?utf-8?B?enROY2VRWi9QbEcvUUYrcC9hNVEvQmNVVEhyVUpDU3c4WkdNaUJ5b21mbFox?= =?utf-8?B?Z3I4bGFhZmxPSEhLeDNnWUZQRUlXUHpmSm42U1ZxbWdMQ0xRZlJsNGV0dEh1?= =?utf-8?B?QmlsQkYzQk5lOXBPa20wSlRaYjUzYUwvMGI1WXZ3WEJrVlFMWHFMRjY1YURH?= =?utf-8?B?K3psNmt0bS9pMTlTREw2MDA5VWk2Y3BucE5iUUk4MytNdjhXVVg5Y0E3MGk5?= =?utf-8?B?ZGo3VGxqNlkxZDU0SHZsRWRyTUU3ZEhYWU5rRmdWWlYxU3VnNXhKV3ZrWXpF?= =?utf-8?B?UVZFRDBGR25pZnpydnFMYTI1ejRiTVEwb2tDSTBheTlyL09ydzFHRXQrQnpD?= =?utf-8?B?MjR5SWRNazMwUVltck15d3g1M1Z3YUM5U1VTbVNYMHFVUDR5MklVSUIrTDQ0?= =?utf-8?B?Tk00TURVUDVEYlIwWks5eEpTQ0pPNU45cUFZZmtVL0h2dm9LdSs1MHova3o3?= =?utf-8?B?NExvVDRCamwxZWZraTRFVElkelBzMGgveEdJNWdDaDFFekVmQWNQL0xLUkZk?= =?utf-8?B?dEJFZjdETm0rbkpIZWpxV2lKSHQ4YjJYZEtZSS9MM0tzdjFsYXNQNkpocGhj?= =?utf-8?B?L2FwTlpLam5EbDRiako1aDVYb1BOUTNQNnUwc1RNY3JSQklOcDVHMlRJMVZi?= =?utf-8?B?NnFjTVBhMTNWSWJoVzZUL3BzQWtSb2ZkYWNxaFMyNjA0R1NkZ0RHNmZmN2l5?= =?utf-8?B?T3JOWHJwR0N4VnBmSWZTRlBWWTAwbVg1cVNLRHZYdnl2T0ZsK05qanV0ZHU3?= =?utf-8?B?RGlPbHJHd1BHeEcrSVJnbWxHMjdtcGRJenlsa3lQV0RoRnlRYUZmNmVYWnZw?= =?utf-8?B?UlphTGpMQnJjaFdzcThxRVdTRjZjVCtHdnVnU1MyMHVUZUNZeHhGUVphQWtl?= =?utf-8?B?RERHT3FYL2dwL3pYdWZkQk5sRXo2TGZkN0R1UTFTVGJmY3VWZ3ZKZE5jZzNV?= =?utf-8?B?Y3UyZ1YwNnFRT0c0SjREMitBNDlOVDVvRDIvT0Z3NW43eGhpUU5jOUFEVWRq?= =?utf-8?B?djlwaGpPSmN0VUo3d2o1WUZQeTBCYWJWRXh4UE04alFlZHg5cDhZQmpzSXMw?= =?utf-8?B?Y2ttcUYzMTlXNE9QRjVwMzZIYlZUQmI0a0VHZzlEbDBOeURCQm5XRXNJSms1?= =?utf-8?B?ZU1ubmpOYTlWYkdVSjZJWngrN0lEVFdmWjNFVExZdVBCelhXLzhUN3JyZVVk?= =?utf-8?B?MFJ1d0lkNFBGMXN1aU5sOXNWT2N5YVo0Tlg3aVdaUEVNcmRpNUs4WGxBZEp4?= =?utf-8?B?dHpEaHgvNWJnVk1saHRwbEZBV1NOblgyby9FVnM5UGJ5NmZ4azZMSGF2TTEx?= =?utf-8?B?S013dURhUHNYOGh4TkRFdGhaVEQ2QitJaUZvYU5xcjREeHNuV2cxdUJLYUZB?= =?utf-8?B?enRYUFdnUkhTUFlKM1hRYUZJekh5Rm00RHljZWZGM0RnZno4NjJVT0NoVUNU?= =?utf-8?Q?ZSRI=3D?= X-Forefront-Antispam-Report: CIP:198.47.21.195;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:flwvzet201.ext.ti.com;PTR:ErrorRetry;CAT:NONE;SFS:(13230040)(376014)(1800799024)(36860700013)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jan 2026 11:26:13.9611 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 932b69f3-636f-4519-e1b1-08de4c4d3c44 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.195];Helo=[flwvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: CH1PEPF0000AD77.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR10MB6093 On Mon Dec 29, 2025 at 11:16 PM IST, Nishanth Menon wrote: > Anshul, > > On 14:40-20251223, Krzysztof Kozlowski wrote: >> On 23/12/2025 09:44, Anshul Dalal wrote: >> > On Mon Dec 22, 2025 at 2:23 PM IST, Krzysztof Kozlowski wrote: >> >> On 22/12/2025 09:43, Anshul Dalal wrote: >> >>> The bootloader on K3 devices makes use of mailboxes as per the ROM s= pec >> >>> which might be different than one's available to the kernel (firmwar= e >> >>> spec). >> >>> >> >>> Therefore, this patch adds the missing mailbox entries to the DT bin= ding >> >>> if the matching compatible is ti,am654-sci to represent the mailboxe= s >> >>> exposed by the hardware during boot for the purpose of loading the >> >>> firmware. >> >>> >> >>> The new ti,am642-sci compatible is also added to represent SoCs whic= h do >> >>> not expose a "notify" channel as part of their TI-SCI spec such as A= M64x >> >>> or the AM62 family. The newly added mboxes are made optional by keep= ing >> >>> minItems as 2 to remain compliant with existing device-trees. >> >>> >> >>> Signed-off-by: Anshul Dalal >> >>> --- >> >>> Changes in v6: >> >>> - Added ti,am642-sci compatible to represent SoCs without a "notify"= channel >> >>> - Added new examples instead of editing existing ones >> >> >> >> Why? Rob asked not to. >> >=20 >> > I had followed what Nishanth had said[1], I'll wait for him and Rob to >> > align first before posting the next revision. >>=20 >>=20 >> Existing examples are fine. There is no rule saying you need to keep >> updating examples or keep adding new device to examples. If someone told >> you about such rule, tell them to stop inventing rules... > > As I had responded to Rob (the reference you posted), leave the > existing example in the binding as is, we do not need to add new > examples either for each of the compatibles. We have enough examples > in device tree now. So, IMHO, just update the binding. That makes sense, I will remove the new examples in the next revision. Though should we add the new am642-sci compatible as well or just re-order the one for ti,am654-sci to ensure we can handle the AM64's edge case? Since, the added compatible makes the if-else chain more complicated than it needs to be.