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 30748F9D0F9 for ; Wed, 15 Apr 2026 09:26:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version:Content-Type: Content-Transfer-Encoding:References:In-Reply-To:Message-Id:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=sHYwka4P/rRproFefkjtnpyL/CcmAO/Wqdy0HjglPvQ=; b=AlMdoezbdIipNypKGMYYj7CtQC cYpQAgzAXVHic/QRWgYyGpKTlZ9EbZH6OyRBFmEYrXmKps/fCmerfRyYpQN82zwRGBC1RBLEP559y HEuconMYpe7yfi5WuiqoI0tucW8KUGXvL9pN9r3qStayGx34XPifCAvkARIBHXF2xGp4RFyy4zjrP vy8FTs8SQAR+rY82wu23PT8HfaIxcy3N065uEs58tTX06O1P4nZGmfcNg6rnRSYygz1hVX70bzR5j JL0expUhoYGNEaBCjDbHtvu0ENQDGDTKvbVMZVOUE3q/74V0HSKipyiPbwZ+DCIMr+Fr/rMTbsJOV utsBu9Fg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCwVZ-00000000tjw-47vT; Wed, 15 Apr 2026 09:26:05 +0000 Received: from mail-koreacentralazlp170100000.outbound.protection.outlook.com ([2a01:111:f403:c40f::] helo=SLXP216CU001.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCwVV-00000000tg9-1R4w for linux-arm-kernel@lists.infradead.org; Wed, 15 Apr 2026 09:26:02 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=UTDI8gWw7GJ95tE/0fs0W//hyzUTTZBogf9JXzFTdE6PlINj8EEioFQRXkVXMmkdztUI1XqL1y7y9k9ve34wqnthALbb1IO8rt61WGVYgnAc5tgTD09DWdoNuzajXfW3Pw2EYB8xC+/GR95QJTsdhP6e08UF7uSxZ9LXMILJ0bBuV7oguBg1hx1XyjyF1kTu/qg5XlOQ9wSjVPgdqKanZITNflzMGL/EXAwjBKfwkZZHnDB/bNw8/dNRAgbFktEX1TSlIF4IGd8pgOTw3BovAcLvGx4R8BI/oIVC4su1BPwpC/VJrceVxzURNCeg+GLZAvTIjkvedyLbucQLGaclHQ== 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=sHYwka4P/rRproFefkjtnpyL/CcmAO/Wqdy0HjglPvQ=; b=zHA5mkFUNCIMepT7M2Mr7pL/mOIEF+OsQYng1F7iA6FsXpjQBNMpvEh2Zrqr2aGEOqaz4WBNwDJErvREj+Yw26htCoucGFT6yaPO2Kfyz7nTrY4mJXiCdDDNBFV3ufRdaMR8P8BbkOqsQVFPQp0Ef4/9l1ZXVEMyjQnq3rq20TIUkXR35/0sUKHa2zdmQGg+XBPxbXHRRRXRTFKBSqkVBt95cRZcwisStiO16A41Wy0x2b4mvGW3QaNAe2T9reyCYh8eUtdYwWySTj6tJpM+R3HDJMFVFGvdqSCTBc1MjEKKX7IjGOaSYSPh/VZniLEGISeHsTuFdU2tSd+NNTjNCg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=chipsnmedia.com; dmarc=pass action=none header.from=chipsnmedia.com; dkim=pass header.d=chipsnmedia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chipsnmedia.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=sHYwka4P/rRproFefkjtnpyL/CcmAO/Wqdy0HjglPvQ=; b=H0M9vMc6GITBol0UrXgrx1f/+9JX96ePYUAUz2EyGr6d6w+3FNGdQQXIoej6+0WBG5p1dTk0MMRJB/GFefhV/H6FOJdx2c5yKSbovGj995h9mVqFjXH3n8HR7ooeqh1gewfDHgIuTK9LcOIpFAuurM/Y3hBzugPQm3gEdbUtx/Y= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=chipsnmedia.com; Received: from SL2P216MB2441.KORP216.PROD.OUTLOOK.COM (2603:1096:101:1b9::8) by SL2P216MB2830.KORP216.PROD.OUTLOOK.COM (2603:1096:101:27f::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9769.48; Wed, 15 Apr 2026 09:25:44 +0000 Received: from SL2P216MB2441.KORP216.PROD.OUTLOOK.COM ([fe80::f234:3bc6:9197:8232]) by SL2P216MB2441.KORP216.PROD.OUTLOOK.COM ([fe80::f234:3bc6:9197:8232%5]) with mapi id 15.20.9769.046; Wed, 15 Apr 2026 09:25:44 +0000 From: Nas Chung To: mchehab@kernel.org, hverkuil@xs4all.nl, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, marek.vasut@mailbox.org, ming.qian@oss.nxp.com, Nas Chung Subject: [RFC PATCH v5 2/9] dt-bindings: media: nxp: Add Wave6 video codec device Date: Wed, 15 Apr 2026 18:25:22 +0900 Message-Id: <20260415092529.577-3-nas.chung@chipsnmedia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260415092529.577-1-nas.chung@chipsnmedia.com> References: <20260415092529.577-1-nas.chung@chipsnmedia.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SE2P216CA0163.KORP216.PROD.OUTLOOK.COM (2603:1096:101:2cb::11) To SL2P216MB2441.KORP216.PROD.OUTLOOK.COM (2603:1096:101:1b9::8) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SL2P216MB2441:EE_|SL2P216MB2830:EE_ X-MS-Office365-Filtering-Correlation-Id: e7ef0dca-4364-4974-c72b-08de9ad0f838 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|7416014|376014|52116014|38350700014|56012099003|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:SL2P216MB2441.KORP216.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(7416014)(376014)(52116014)(38350700014)(56012099003)(22082099003)(18002099003);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Mq4OjQsQh9c1YUykGKIubbI7n+rYIazTIXWHDsCq5rlTg3GMqVzxmpAmCw5Z?= =?us-ascii?Q?lbwccukCZW308zqolrOOqq2kT8PCsxpSPtey/CcLj5FHdOSIcbks7gVVXTAI?= =?us-ascii?Q?QurOp541FUWILuqRC+0zXNqxV3OdLK3h8TkGr3Q98bTj/s0V+mxbwMk9NeCM?= =?us-ascii?Q?KrhgVrGRWiokoTb47QH83M/jxj2YnDXp8aPDkueHwI/0STxcZmOpypjpi5aO?= =?us-ascii?Q?gdwSzPWgd7wlNHDaVZ06HEDhIO0oJXnYmgju71+dxIf2EtZY6Hf33Dq2swbw?= =?us-ascii?Q?9GaYGar75Kiw58y6zIxkI8yBRKifYV1gWTkK0P1hOv9A5yfVzu9KsVMbGonO?= =?us-ascii?Q?BUPmo24PgKlyDJVK6BOWZnQffDU1zJWz+kT3KkeMmWL0hAMUZirgM4JC4SYV?= =?us-ascii?Q?fyggNeFNCTrDss2It54H/Br5m16EVAdujkGt12ZECndMy3h7ZxQqGedQxs4f?= =?us-ascii?Q?Ikxw77CuFgToxGLgwQKZi7ZwdPKjvo2buHjp2up6ZKTkALYkF7POlFOPZJLj?= =?us-ascii?Q?PqimgrZblt4qM1Ekqx8WIxNJgITEmepSl5pAO64FJ/XuoyjvFMVLF6QzQToK?= =?us-ascii?Q?E0GjHlk7KsxQ1NOWbkzlPEhrd5416O/ydS8qppswJng4SsX1g0eKu5QRyYdL?= =?us-ascii?Q?cR48/FDdZk89dQtLwKepny6W7F257F06Kqnr3AKBduT6IPbHkjhnOTjFcYsN?= =?us-ascii?Q?MxnFcsWYZaf1uvNklPapFrCdzuEFeZWhLKIZSFJy5oemuc6TRh+ur/JZypPA?= =?us-ascii?Q?GqS7qfAAbnpRDaV+7a9YxMwKV8XofIrCk3bNrKSWF6bYYgt6qJOT6T+cdZbT?= =?us-ascii?Q?ZYDINWNa1C1aVpEAKs/VGORj785ouyVjcV0jwGI+m3FhMAaOIstIHbuo8n2Y?= =?us-ascii?Q?NfD3vHobfvLRhi4KvzKGHFnIEtlzYFgd3yxBTUZ0qgKPrCA1nzsEoniV9KPT?= =?us-ascii?Q?QIpvtSBouykMrNXwPOOzwdeUD3PzVanaKrpEW86nxlf6n5sM4OpFr9SDVlbt?= =?us-ascii?Q?cpnh5c5Ty9jiV2ECps8XvDUVfF3Grj6BGYfUxCnhKvmBH3fzjMzj8Amddxe3?= =?us-ascii?Q?EoODln85PpdteF/1VO5kA2jYhV4nGMcrq37u4UpPZ5uXksjs7VubH3xPHuiy?= =?us-ascii?Q?m9u7kXpr+Sw4UkHXLGmdbyZsLT7JJl8y55fNeOMmihdIdQbY1zb9SPRT4Y7N?= =?us-ascii?Q?OGlVaYpjJnwRjj7S4xpS644tm0C4lA3q6UMjydSU/gzRnAgkeiDodA6zQtPr?= =?us-ascii?Q?ACPV0CcMS5VrbBoyREkUjIjW+uC/U+lnrTXV5/h+5T+na5MkxNOaSfnFMnIu?= =?us-ascii?Q?muAx/bVbdqI2m0ZcH0aigI2zlatjUUBvM8zUnY749jcXuG2oGFEzsAHMEPP9?= =?us-ascii?Q?4QO0Qi3Im1H/pkc4EGRW+iZmDOlqNqr4Uogost7LiNZQk9lDAeYroiJH47Dp?= =?us-ascii?Q?7lZzwzp+lG/rKZ/wYZaP4QB1KVHTHngS91VrsdsLZ+DuKWEeMKGRJ9Ymrt7A?= =?us-ascii?Q?MFa+GQ32PN41Edo1kdGHTEeLDgOdhFcjEmUi/XzyXuoE3MfxnCFADmYgZVPo?= =?us-ascii?Q?cFxyPKefmEXld4KMGHY6CKmCMvBCuORl67GVNKwLQ1wOcOwxknllEb9oT0sq?= =?us-ascii?Q?O1O0y5WxMziIA6RTnstQNezrJ1BWNpR2/1hBZZrSVBZEV4do0+sEsolgcxwG?= =?us-ascii?Q?Mb9tbAyWduNTORh0upEH143R5tYvEWtuNPV3ECY2x1QEhvIOHPMrw9d4MqXH?= =?us-ascii?Q?OPbrDCKfwoJJKgOPX2qqbvWR8gZNUg8=3D?= X-OriginatorOrg: chipsnmedia.com X-MS-Exchange-CrossTenant-Network-Message-Id: e7ef0dca-4364-4974-c72b-08de9ad0f838 X-MS-Exchange-CrossTenant-AuthSource: SL2P216MB2441.KORP216.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Apr 2026 09:25:44.2743 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4d70c8e9-142b-4389-b7f2-fa8a3c68c467 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 4m04RFMgtRPoRxAb5oIfhQATp0XREf1npxHJmkSj4+ExKEVz+zXOfhUH6C2uZJzVLYDBL2etGEBb9wC3wIAHaChEANHL44jT3VDIHVdA7zg= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SL2P216MB2830 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260415_022601_385318_A212C269 X-CRM114-Status: GOOD ( 15.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add documentation for the Chips&Media Wave6 video codec on NXP i.MX SoCs. The hardware contains one control register region and four interface register regions for a shared video processing engine. The control region manages shared resources such as firmware memory, while each interface region has its own MMIO range and interrupt. The control region and each interface region are distinct DMA requesters and can be associated with separate IOMMU stream IDs. Represent the control region as the parent node and the interface register regions as child nodes to describe these resources. Signed-off-by: Nas Chung --- .../bindings/media/nxp,imx95-vpu.yaml | 163 ++++++++++++++++++ MAINTAINERS | 7 + 2 files changed, 170 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/nxp,imx95-vpu.yaml diff --git a/Documentation/devicetree/bindings/media/nxp,imx95-vpu.yaml b/Documentation/devicetree/bindings/media/nxp,imx95-vpu.yaml new file mode 100644 index 000000000000..9a5ca53e15a3 --- /dev/null +++ b/Documentation/devicetree/bindings/media/nxp,imx95-vpu.yaml @@ -0,0 +1,163 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/nxp,imx95-vpu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Chips&Media Wave6 Series multi-standard codec IP on NXP i.MX SoCs + +maintainers: + - Nas Chung + - Jackson Lee + +description: + The Chips&Media Wave6 codec IP is a multi-standard video encoder/decoder. + On NXP i.MX SoCs, the Wave6 codec IP exposes one control register region and + four interface register regions for a shared video processing engine. + The parent node describes the control region, which has its own MMIO range and + manages shared resources such as firmware memory. The child nodes describe the + interface register regions. Each interface region has its own MMIO range and + interrupt. + The control region and the interface regions are distinct DMA requesters. + The control region and each interface region can be associated with separate + IOMMU stream IDs, allowing DMA isolation between them. + +properties: + compatible: + enum: + - nxp,imx95-vpu + + reg: + maxItems: 1 + + clocks: + items: + - description: VPU core clock + - description: VPU associated block clock + + clock-names: + items: + - const: core + - const: vpublk + + power-domains: + items: + - description: Main VPU power domain + - description: Performance power domain + + power-domain-names: + items: + - const: vpu + - const: perf + + memory-region: + maxItems: 1 + + sram: + $ref: /schemas/types.yaml#/definitions/phandle + description: + phandle to the SRAM node used to store reference data, reducing DMA + memory bandwidth. + + iommus: + maxItems: 1 + + "#cooling-cells": + const: 2 + + "#address-cells": + const: 2 + + "#size-cells": + const: 2 + + ranges: true + +patternProperties: + "^interface@[0-9a-f]+$": + type: object + description: + An interface register region within the Chips&Media Wave6 codec IP. + Each region has its own MMIO range and interrupt and can be associated + with a separate IOMMU stream ID for DMA isolation. + additionalProperties: false + + properties: + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + iommus: + maxItems: 1 + + required: + - reg + - interrupts + +required: + - compatible + - reg + - clocks + - clock-names + - power-domains + - power-domain-names + - memory-region + - "#address-cells" + - "#size-cells" + - ranges + +additionalProperties: false + +examples: + - | + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + video-codec@4c4c0000 { + compatible = "nxp,imx95-vpu"; + reg = <0x0 0x4c4c0000 0x0 0x10000>; + clocks = <&scmi_clk 115>, + <&vpu_blk_ctrl IMX95_CLK_VPUBLK_WAVE>; + clock-names = "core", "vpublk"; + power-domains = <&scmi_devpd 21>, + <&scmi_perf 10>; + power-domain-names = "vpu", "perf"; + memory-region = <&vpu_boot>; + sram = <&sram1>; + iommus = <&smmu 0x32>; + #cooling-cells = <2>; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + interface@4c480000 { + reg = <0x0 0x4c480000 0x0 0x10000>; + interrupts = ; + iommus = <&smmu 0x33>; + }; + + interface@4c490000 { + reg = <0x0 0x4c490000 0x0 0x10000>; + interrupts = ; + iommus = <&smmu 0x34>; + }; + + interface@4c4a0000 { + reg = <0x0 0x4c4a0000 0x0 0x10000>; + interrupts = ; + iommus = <&smmu 0x35>; + }; + + interface@4c4b0000 { + reg = <0x0 0x4c4b0000 0x0 0x10000>; + interrupts = ; + iommus = <&smmu 0x36>; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 32b1dfee8614..5700be993849 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -28393,6 +28393,13 @@ S: Maintained F: Documentation/devicetree/bindings/media/cnm,wave521c.yaml F: drivers/media/platform/chips-media/wave5/ +WAVE6 VPU CODEC DRIVER +M: Nas Chung +M: Jackson Lee +L: linux-media@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/media/nxp,imx95-vpu.yaml + WHISKEYCOVE PMIC GPIO DRIVER M: Kuppuswamy Sathyanarayanan L: linux-gpio@vger.kernel.org -- 2.31.1