From mboxrd@z Thu Jan 1 00:00:00 1970 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 5AD55C9832A for ; Tue, 29 Sep 2026 06:23:48 +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-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:From:References:Cc:To: Subject:Date:Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Skjg7gEcfGgqFMEVhAphwFkITU2tbYkoym9qNf3x2Po=; b=RvQuGRqZ1KH/HBADbBeFKOpAfj 0sITSZ/FbqbsralpDBR9gR38FNyeCvK+50IStcaM7BAuzdGU2W2ncwgXrvNRovn0BuefPwKgp0+qD nKKD65wMOHFDP4aIFl0660NyRIhMLuHXhGXm+KJQequN8hjcmr5wMbV54aZUyW9Hs+9TAHXtjQWKh AC3jiaciCnuK9CGp5HkMXhRl72tueoYQL+alNnq/EzmUxnprgLO11ScRVLpCMXDGHTpgjsetWkswC 951GdU4i61usyocdYCd+kG2kMW5+V0gbWqSplRRT/Dybh1Z58/rfdcTl2yNWxUhQ9PtbclC3pWNos HZHJPWOg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xBRFg-00000002Rag-0I39; Tue, 29 Sep 2026 06:23:44 +0000 Received: from mail-japaneastazlp170120005.outbound.protection.outlook.com ([2a01:111:f403:c405::5] helo=TYPPR03CU001.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xBRFc-00000002RaD-1HIM; Tue, 29 Sep 2026 06:23:41 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=sXZ/Njk4x+XUbQpeTRaSN7QHxwUTRoDUWqIjSxM4Jk8AOoghZqEAVWc+fI9bCotSTNgpbF/gG966iQ+Aw/3HNMJfuxwVbv7yeIw9aAoRq100b7Jf7JhOxJ/GY9rsh77b9uW5gD9slDdacZ++4XY1hybso4/uhmKu7ZOTdoDAL8kh67s8uqOInFXnevpnwq4QcSZgGQJyFAG0Vlmbl8vIOCKpdMDOhkx6JF3yLJU+tgKuDaIAE/u5B+3lI7bjxWCPya1xsh6qGzfYj3dWJJaKM9dqr483/B/jPmIFPfA6p0DrZhqnwIDo7hifkl6WVpp0znbdKKQclCTh8ONXFy45fg== 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=QVItQ7EpBEcXIyxrf9jc1MiWuvsuSobhZRlgmLBJiBU=; b=P44GLdckxcVjVl42I+5gksAIeuHmsY7/VWJd51QvqZSg65TUwk/c2C/knJvg+RHHTHHzantSMN97sfv3CwZR1wpcVolSKy1kOm+cusB1s+hbg0VnNSiL0fYz/C287ZK3TVoFOw0iwNXgYunZbM19Fz8HMuaJBhTK6eq/1pr410lpJBpJ0cWvjxhGh4TQ8SJilKQNTVsx7lnWJD0SKZ5qWA7pAXEHXw6Gb0KPKYLDaib1g0buEu1cLdqEcoFmIF+/QrrGe+0WRLP6t0iTFp456Ua6fJkZDuIC2jUr2p/pDT+N2EOXz0crbkymNugXJx/gA4iVpp/lEwBNmW0HTlrnaQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amlogic.com; dmarc=pass action=none header.from=amlogic.com; dkim=pass header.d=amlogic.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amlogic.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=QVItQ7EpBEcXIyxrf9jc1MiWuvsuSobhZRlgmLBJiBU=; b=ImkQsMJZ52hK6Hp4tok4PIkwOGux3NN4cBEVizk1duuF0i7GBKIW9RhVoMJMKUO8XUEcs8+FNF6+3/TuPXW9WYis2JRliH4w3Vfj6Gz+UrvNgtTeUGTmwOTicArP15Ceri++XrqZyLRBB4IZIjv6EbCvTvpdtyM1ggvskzyfjHNyGRWoOrOLu09wwozMs+viO9htMgzfR0DKi7x/lL4kA3JASIYPLLq6SOQs84tcTkNxFE1ZTjsVUEd9qmt3k2IBC03uoddRwxFsirKwpdnlsVHyrFnKGgKatbJhAct0NBMfXiKZBi8UdrDV6Y4jd+EQSuIfhypciOHtw87haZP8Gg== Authentication-Results: mx.microsoft.com 1; dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amlogic.com; Received: from KL1PR03MB5521.apcprd03.prod.outlook.com (2603:1096:820:51::12) by TYZPR03MB7289.apcprd03.prod.outlook.com (2603:1096:400:41f::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.451.24; Tue, 29 Sep 2026 06:23:34 +0000 Received: from KL1PR03MB5521.apcprd03.prod.outlook.com ([fe80::f12b:85e:f95c:191e]) by KL1PR03MB5521.apcprd03.prod.outlook.com ([fe80::f12b:85e:f95c:191e%3]) with mapi id 15.21.0451.022; Tue, 29 Sep 2026 06:23:34 +0000 Message-ID: Date: Tue, 29 Sep 2026 14:23:30 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v10 3/6] media: dt-bindings: Add Amlogic V4L2 video decoder To: Krzysztof Kozlowski Cc: Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org References: <20260924-b4-s4-vdec-upstream-v10-0-1289303a58a4@amlogic.com> <20260924-b4-s4-vdec-upstream-v10-3-1289303a58a4@amlogic.com> <20260928-efficient-secret-manatee-2fcca6@quoll> <7fe35ef7-e894-4137-975a-9a5f621a8156@amlogic.com> <33499600-5df7-48fb-a2ac-5a703df8dc2d@kernel.org> <59541a34-eba9-4699-ba19-69e7b5b1525a@amlogic.com> <3b1e23f0-76d5-489c-a5eb-0774a21b0f63@kernel.org> From: Zhentao Guo In-Reply-To: <3b1e23f0-76d5-489c-a5eb-0774a21b0f63@kernel.org> X-ClientProxiedBy: SE2P216CA0019.KORP216.PROD.OUTLOOK.COM (2603:1096:101:114::15) To KL1PR03MB5521.apcprd03.prod.outlook.com (2603:1096:820:51::12) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: KL1PR03MB5521:EE_|TYZPR03MB7289:EE_ X-MS-Office365-Filtering-Correlation-Id: 40ba645f-7b89-416f-68e7-08df1df23050 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|1800799024|7416014|23010399003|10067099003|56012099006|11063799006|4143699003|3023799007|22082099003|18002099003; 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:KL1PR03MB5521.apcprd03.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(376014)(1800799024)(7416014)(23010399003)(10067099003)(56012099006)(11063799006)(4143699003)(3023799007)(22082099003)(18002099003);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?aVBlVkdzNm5NdkwyVGNUZDkrTnVvMW0vaHlvMTNrVU5nbUkvMFQ1dDdSUkFa?= =?utf-8?B?WmVVbmNuOE9DOCsrV1ZGUjZGSGNYL2ZIaFQ5MjN4UW5ybU5iT1VKbUlmMEsx?= =?utf-8?B?T2kweFJ3ZzJwZmJPdklBcGh0ZlZpZWtBODNkSDh5ZDVaT25DUEQ4Zk82NDBU?= =?utf-8?B?bnM4UmRHZVdPK1RhMkNyTEp1Z1Vsb1FxM1EyVVNiek1DcXVPWGVTR2xQL1U1?= =?utf-8?B?L0dLMitDMkYzcGYzNWowdWZseklyelVReC9ibkxjbjNZazA1cWc3V3NIWGpR?= =?utf-8?B?TDE1Sjc0NlVqdnFESlhQQXVHdk9WZkFuSFpuVHpDR2xDblY5VGhqdWhmY0dO?= =?utf-8?B?VlgwL08vUFIwYW10cjNUeGN0WTUzWGdjb1dpVlZuZFFaUG8wYVV3SnNiTzZz?= =?utf-8?B?dG9ZbnlrZWU4QTg2WWxlSEVPZ05LMW5lbWFRQTJka2preTlIbitkcElJMFNP?= =?utf-8?B?UCs2TzJrZk93TjZ6cXovSVMvZm0ySnRkc1FVMHZTWWtLZHlIOEcrN0dSbTl4?= =?utf-8?B?eS9odTJNR3E3UUhjWWE3RkNZUjhySEVXSE9iLzlqV3ZTb3RwRURrUURtT2ha?= =?utf-8?B?QysyTFFISWd4azBhcW9yQWJyTjArTkppdVlrcFVwRW9LTUFnamZlZlhFa1ow?= =?utf-8?B?cjhBbnY3bW9COFRnUzBhOTA4cnY1eHRYeVVzaXVFQW8xNkRBR2ptUU9qRjkr?= =?utf-8?B?bGFIK1ZWQTJJSm1nTFZjckxXMVU4bnpoZWhXS0FRSi84VDJzdzFKa3kwVi9L?= =?utf-8?B?aUVCWm5vTDRrTzBjZkpzKzBnRUlQTHFQRDZ0ZWhscHpQUjl3bFM4VW1SZGZU?= =?utf-8?B?SFZURnZqRTMrb0M4bVgwS1I4blh2Y00wWUVlYi8vK1k2N1JUZnNibUkvTGlr?= =?utf-8?B?N3FUa0NobStMbVk1azd0NjNrWTdTYnlQUzU4QU5KMk1BY1R6aVNIcW9aOUdI?= =?utf-8?B?T2tPN0pBcHZLamxpWkV5WW5HVTlLbHFoVGU1SEw5NjMzNUFuV0FHRWNncDJL?= =?utf-8?B?WndnZW4yYUhSckl6dVBCOE92UERSaHV1aWVTS0ZOZ1kvRUdxRWhqMDJsQkVn?= =?utf-8?B?SkdlVFlDK3dnZUFXMHZJZVh1UkpwZzVVQ3ZnR3cyUm5TNDR1dHV5UWUyOERH?= =?utf-8?B?MHpWMzYyMG9YektMZ2lDbDlqZy9obzVJOGhoOUFDcGlvcTMzdDhHd082QjVi?= =?utf-8?B?V3A0Tmx4ajlzVUN2TWtBMmJuWVY2VkZON0FoSURZTFRMem16emNTcXdXWGJm?= =?utf-8?B?Mlc5TE9zaC9aRitpUktTckZJVDRYeTFnT3Vpc05aQjcyQmtoR3R0R0tNaW9k?= =?utf-8?B?TW5LSU1oWENoQnM0bjl5VW96TEJTZ2hKVFV3YnJRLzJxeHdxUm9hMUdPbERj?= =?utf-8?B?dFAvVDN5SnRrM2F4eS9GUFJURnFqRXZsYzd0bGQzQVhrUW5QbE83QUE0aVlB?= =?utf-8?B?aFFsL3p6NWdwcklPa1lJdWJsVytpYXI3NlA0c2VtNlZTK1cvT2Ruci9FbXJW?= =?utf-8?B?MDVtZHdid2V1bDJEL08xaVRNQlFtbW1ZWHdYVmdhR282aXZwVERuajE0WGN3?= =?utf-8?B?RGpMSnBLUDBzWkZ2Si9yOEUwRHk0MGs5OUpBTzJtZDNDZWFicUswR2hWdVNG?= =?utf-8?B?V3lLMDFtODJ6cEJqZUNVRi9XM1pOU0JQSHV3RStrL09mZCsvcE1mS2NtN0Ru?= =?utf-8?B?RkpESEF0OHdMZFVmMzhOOXZQUE1icTJJc05rRDh3emZmMVQyay8yR3dXOE9x?= =?utf-8?B?RE1QdjNlRTRqSWdza3daY2tKRFQvakF6SjZ6K1JFQ1lJT1BaS041c3JsbVBw?= =?utf-8?B?VFVjTGRackVjRWppQm50T255TG9Oa2dCOHJJaEZ4Zjcrd2RBRnVwMGhqQkJU?= =?utf-8?B?aGNjYVBualp3OXVJazd5QlVaMUc1clFaOCtHWUVtOGJmdURzNzdtVmk3cGZj?= =?utf-8?B?QkVxNjhJNzRqVC9FanltekNQaU1jN3ZPTWNJMzVLNEQxcGNKQ0hjeUp3T01y?= =?utf-8?B?VWJIVGw2M1IwcnN1ZC8zblhWcFJsMUlydUZEYnExcGlkK2FudVNTT1ZjQUtH?= =?utf-8?B?Sld6bktWZVFQUUs1eEQvUkdhZG5udjc2UEJlM01JbmFFWVBxQkNCTEc4UUZ6?= =?utf-8?B?cWZMVExTeG10eUdWZ3YxV3U4ZTNjQkVtMlh3bUNwVXhNNlI1aGttaDd3dkov?= =?utf-8?B?TndMVWMrb3VkYUFDMEZGTCt1TjYwVks5MFpzWnY4bkFvb3JkakNPMW1vcUg4?= =?utf-8?B?TDAzUkRudXFQYnY0dmhkRWt0c3EyMXdjTTVwSk1RTGdNL0J5ZHg3RkVYb0l0?= =?utf-8?B?eC9EaEdubmh4NzJab01WTXkrZTJVRk9VdHFLZnJlUDJiVmFkUENUUT09?= X-OriginatorOrg: amlogic.com X-MS-Exchange-CrossTenant-Network-Message-Id: 40ba645f-7b89-416f-68e7-08df1df23050 X-MS-Exchange-CrossTenant-AuthSource: KL1PR03MB5521.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Sep 2026 06:23:34.1282 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 0df2add9-25ca-4b3a-acb4-c99ddf0b1114 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 4ywM6OHsZ7xJ2t/lWrRnDmCr2wYKE7eW38BYyLrhzEjgQWh7LmGSDUdpgW11Ehxfn9+Ic4fal1gzyFIqLCVRwg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYZPR03MB7289 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260928_232340_382305_68BF5AF6 X-CRM114-Status: GOOD ( 11.78 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org > On 29/09/2026 07:57, Zhentao Guo wrote: >> Hi Krzysztof, >>> On 29/09/2026 04:59, Zhentao Guo wrote: >>>> Hi Krzysztof, >>>> >>>>> On Thu, Sep 24, 2026 at 03:55:10PM +0800, Zhentao Guo wrote: >>>>>> Add bindings for Amlogic hardware decoder accelerator. >>>>>> >>>>>> Signed-off-by: Zhentao Guo >>>>>> --- >>>>>> .../devicetree/bindings/media/amlogic,s4-vdec.yaml | 114 +++++++++++++++++++++ >>>>>> 1 file changed, 114 insertions(+) >>>>>> >>>>>> diff --git a/Documentation/devicetree/bindings/media/amlogic,s4-vdec.yaml b/Documentation/devicetree/bindings/media/amlogic,s4-vdec.yaml >>>>>> new file mode 100644 >>>>>> index 000000000000..751043c3d9cc >>>>>> --- /dev/null >>>>>> +++ b/Documentation/devicetree/bindings/media/amlogic,s4-vdec.yaml >>>>>> @@ -0,0 +1,114 @@ >>>>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >>>>>> +# Copyright (C) 2025 Amlogic, Inc. All rights reserved >>>>>> +%YAML 1.2 >>>>>> +--- >>>>>> +$id: http://devicetree.org/schemas/media/amlogic,s4-vdec.yaml# >>>>>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>>>>> + >>>>>> +title: Amlogic Video Decode Accelerator >>>>>> + >>>>>> +maintainers: >>>>>> + - Zhentao Guo >>>>>> + >>>>>> +description: >>>>>> + The Video Decoder Accelerator present on Amlogic SOCs. >>>>>> + It supports stateless h264 decoding. >>>>>> + >>>>>> +properties: >>>>>> + compatible: >>>>>> + const: amlogic,s4-vdec >>>>>> + >>>>>> + reg: >>>>>> + minItems: 2 >>>>> What is happening here? Previous version was different. >>>> maxItems: 2 implies that a single items is also allowed,but the hardware actually requires at least two register regions (dos >>> Since when? >> It should have been minItems:2 ever since v1,I must admit that this is a >> long-standing mistake. > No. Since when 1 item is allowed? A single item was never allowed. The hardware has always required both the dos and dmc register regions to work (the same applies to the power-domain and interrupts) . In the previous version of this patch, allowing one entry was simply a mistake, not an option we ever supported. No existing device tree relies on having only a single entry either. > Best regards, > Krzysztof Best regards, Zhentao _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic