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 73514CA0EC3 for ; Tue, 12 Sep 2023 06:17:18 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Content-ID:In-Reply-To: References:Message-ID:Date:Subject:CC:To:From:Reply-To:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=oCSKv8N4EH01qpp9vMBZZoiknKWkIjnqmz+BVnxAVQU=; b=whTCj0Spu83IrN CwSRchQq07LHw+gckYnvMFA0bN1BF7XZAMgrTKdTd4rFvdhZpfaoy7CVCKxu7Jkn8v35bkuqI6eMC nsKSo4mNXvOHbthLDmeZBQyMIrNx8vVj9PdBIVG13K4YGHWmBzfLJADEYV24nBxyc1HF5DqyQvUcu AB88ohp4EcxzbJuzhcrF9H6/PsM3CEYMa0UqLSTxT6o2wUyXJ/JLGUmKvjTWvswCmfXXTcuUIiSPN c4/pp4wJW/aOyWhG0pQAq7AfUPseh+9YjPXzrv0z/bFdOM67kzPPT85qJCAwugDZR9YmeuEZV2eTo eRzS2Eug/6vwAZHP+Vpw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qfwhf-002GXz-01; Tue, 12 Sep 2023 06:16:51 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qfwhb-002GXS-0K; Tue, 12 Sep 2023 06:16:48 +0000 X-UUID: f0704314513311ee9b7791016c24628a-20230911 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=MIME-Version:Content-Transfer-Encoding:Content-ID:Content-Type:In-Reply-To:References:Message-ID:Date:Subject:CC:To:From; bh=OxMHJIVg7S3jPS68i+fXcB/3HtQrbW8youfaXydohJE=; b=CtHnuuc88tH9nj9e+pXJs9ooraqTLKaQjcScSEWVITFRHsdLMdU/pJi3RBjKLrwEtPqWJH6a0rmRWhZBJIermIeKbn1tLJlYzmRKPfuRuVDRV6RZR6PkTN/tQiq8WOSUHeclp/Vm2GC5v7GeZYGViy8OwsHOoR++Wy9bCmG3TyM=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.31,REQID:94dc1f91-1d18-4ff5-afbb-52b9b477d8c9,IP:0,U RL:25,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:25 X-CID-META: VersionHash:0ad78a4,CLOUDID:3db6bbbe-14cc-44ca-b657-2d2783296e72,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR: NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: f0704314513311ee9b7791016c24628a-20230911 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 11622933; Mon, 11 Sep 2023 23:16:41 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 12 Sep 2023 14:16:04 +0800 Received: from APC01-TYZ-obe.outbound.protection.outlook.com (172.21.101.237) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 12 Sep 2023 14:16:04 +0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=h6ga6BEHFWJjrEFC4ZwW5TlM/9+bkgCoGiu2YK55hB/s0BIxDRwWnNMr517OvsPh+VMa7P5xdvMjKSw1z+bbOYt8gPNR9SU+DYYz8ZV8G+2GnbV+AJNzZcFLVRF5qj3KLJpDnmf/uRbqVqDW15k24JP1YYLHuVWXGorsFXA6daio07HNTEu3HTDzNulEvuOaRBcEsFPO8my4jE53NEm8d47uqYJrjWiO1Tg0oS/OY6SbVrS97Q6p9CwNDH//BdsdwuJXGjiOuYhXgxN+VVlSpdFRvD6UY624M7lAMf9VJQIiiqId0ISsUXhszgaE40EQkDmLru5w8BfUfNpCsHL9Wg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=OxMHJIVg7S3jPS68i+fXcB/3HtQrbW8youfaXydohJE=; b=SkTSqfbvYyHYfQuUNe7t4sKiJnJRlpL1gpBIzAKmMnf/BcfeJ2X7bJQrU9ZgJ3DXGr2WIIa4Bbv6GC3nQZG4Pgr1XWMSrmQIsxyVfHtZUlq5FmqZaNnJxoS1ozWmevzeFwFkvvvY0CLePAq6jBwbQsGgegvF42ttyboopIBOscvwtLs6IBVMzlFHNwlF00W/19rlxSjNAq8x7dSgU3bEsxldz8YuLTCPeiAz3eixin8ypKEYC7cSaK1YXO//S6urKlmmRh8K0GtGGz4oz3q58rYueEEC0nIFR1BG1yz8uJZJRJl0y2WGmjC/RQcbhLC9DLYLtsBecrSgz+1o24/0EA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=mediatek.com; dmarc=pass action=none header.from=mediatek.com; dkim=pass header.d=mediatek.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mediateko365.onmicrosoft.com; s=selector2-mediateko365-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=OxMHJIVg7S3jPS68i+fXcB/3HtQrbW8youfaXydohJE=; b=CF1rqsu87vEHTlnQ+UXWMOFHN4WkXMHNrQDNM6LmSpFfhG9RXDDgLwkeReKuA3llPbPvm5X/hWGOvUycBnCq98NXd6k3HCYe8F2VLZiXjAiJXgFXRIXxkTETwf9gsw9cm26opo1Hb+JyNzqVZ1xCQrCG/a51OfM9+NlhVgH//Nw= Received: from SI2PR03MB5885.apcprd03.prod.outlook.com (2603:1096:4:142::7) by SEYPR03MB8270.apcprd03.prod.outlook.com (2603:1096:101:1a6::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6768.30; Tue, 12 Sep 2023 06:16:01 +0000 Received: from SI2PR03MB5885.apcprd03.prod.outlook.com ([fe80::e148:3390:1eb2:28e3]) by SI2PR03MB5885.apcprd03.prod.outlook.com ([fe80::e148:3390:1eb2:28e3%7]) with mapi id 15.20.6768.029; Tue, 12 Sep 2023 06:16:00 +0000 From: =?utf-8?B?WW9uZyBXdSAo5ZC05YuHKQ==?= To: "robh@kernel.org" CC: "sumit.semwal@linaro.org" , "linux-kernel@vger.kernel.org" , "linux-mediatek@lists.infradead.org" , "jstultz@google.com" , "linaro-mm-sig@lists.linaro.org" , "christian.koenig@amd.com" , "devicetree@vger.kernel.org" , =?utf-8?B?SmlhbmppYW8gWmVuZyAo5pu+5YGl5aejKQ==?= , "linux-media@vger.kernel.org" , =?utf-8?B?S3VvaG9uZyBXYW5nICjnjovlnIvptLsp?= , "Brian.Starkey@arm.com" , "conor+dt@kernel.org" , "benjamin.gaignard@collabora.com" , "tjmercier@google.com" , "krzysztof.kozlowski+dt@linaro.org" , "dri-devel@lists.freedesktop.org" , "matthias.bgg@gmail.com" , "linux-arm-kernel@lists.infradead.org" , "angelogioacchino.delregno@collabora.com" Subject: Re: [PATCH 8/9] dt-bindings: reserved-memory: MediaTek: Add reserved memory for SVP Thread-Topic: [PATCH 8/9] dt-bindings: reserved-memory: MediaTek: Add reserved memory for SVP Thread-Index: AQHZ5FgxjegLVruM7kG7VRoFLocLPrAVxRkAgADzaIA= Date: Tue, 12 Sep 2023 06:16:00 +0000 Message-ID: References: <20230911023038.30649-1-yong.wu@mediatek.com> <20230911023038.30649-9-yong.wu@mediatek.com> <20230911154448.GA1279317-robh@kernel.org> In-Reply-To: <20230911154448.GA1279317-robh@kernel.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Evolution 3.28.5-0ubuntu0.18.04.2 authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=mediatek.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: SI2PR03MB5885:EE_|SEYPR03MB8270:EE_ x-ms-office365-filtering-correlation-id: 4f5a6265-a57a-45c9-4990-08dbb357bc40 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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:SI2PR03MB5885.apcprd03.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(136003)(346002)(396003)(39860400002)(366004)(376002)(1800799009)(186009)(451199024)(71200400001)(6506007)(6486002)(478600001)(83380400001)(6512007)(76116006)(4326008)(26005)(41300700001)(2616005)(966005)(66556008)(2906002)(54906003)(316002)(64756008)(6916009)(91956017)(66446008)(66946007)(8936002)(5660300002)(8676002)(66476007)(7416002)(36756003)(86362001)(85182001)(38100700002)(38070700005)(122000001)(99106002);DIR:OUT;SFP:1102; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?RE11YngzREhQVDZJWDBhZmFOdXl6aWIyRzJOYzV4QXlGeTYrVWp0ajlsV281?= =?utf-8?B?NWxHaUR5cXVRYnFyUEZVS3dUM1FWLzArVVJVL1NLVEtvVm9wMUNESUtZUndr?= =?utf-8?B?M0xyOHMrMUV4dU9ETEw3QW5HejZqM3dMREJjT0Z6QVA3bm5HYVFSOHpGTzVJ?= =?utf-8?B?Q0pFUmdqbUF5bFpaQ3pwSUJrOVMrc3NvQzFMc0JaazIrMTJPUS9LMEd2UHRN?= =?utf-8?B?aXdSYXBiUnhTRjlKTU92NUFkem5jcFVFNkhUeEc5V0hQUnJhUUhRelVRVXdm?= =?utf-8?B?SzA4WG5sWDJRTGVpWnpxOEtVUEIyT012Z1NQUUxzUkNXMW9VODEyRFhUMnR5?= =?utf-8?B?TlpUVjQ5SEhrYU5MN2xxQ2xCMmhOa1VIWElOY1d6VU9tUnZ0NS9ZbU9sSU95?= =?utf-8?B?RXpGbVZGVlprY2N0N0NkaXZRUkhuWkVicjh1QWZDQ3FqeXIvUFhWVzllV1VZ?= =?utf-8?B?UkJpOXptSlJPUXdsTlRTQzVVRWVtM0ZuckxZUUo1Yk5NTjBlSnpGZGo2bWRs?= =?utf-8?B?MnkrMXJpZGhjUEoyTjAwZWlXSE5mTVc0VmRSQ2Y0K3lnR0R1K1J5aFFITnJG?= =?utf-8?B?OUt2U0lKZjBzeHJsMFlIM3JxTkIrNFVMQ284bnlvTStjaUpEdjRxVkRUL2Nj?= =?utf-8?B?eFhxZ0Rtb1NLKy82VUdnaEJ2eU5WSi9ncWZzWVhUeWdNejEraEYwRXo1V3Zn?= =?utf-8?B?K0I3OWlrY1BWZWFueVdXdVVqUTFlblhMelFkNkUvbjJ0TjJpMU9YUDFGb2Mw?= =?utf-8?B?dlF4QWY0R1pHWmlaZUQvNlZhYXRXajdyUDFkWjlyVldaVExtYlJpRkdISjN4?= =?utf-8?B?K3I5ckZZeFhHSGgybUtVOFh3NFlFOGtibVh3WDY0aXBiUllyRmViRjFkeUZZ?= =?utf-8?B?blRDK0RDZ0REY05oNHRhYnRmdTE5T1Bneis4OXhmQXpOcENRNlFtdUl0TVND?= =?utf-8?B?L0lxTjY3RzVMZVZwU0NIbmNvWFMzTE91aE5QZlVGMnlMZE1YckpYZjltdGIw?= =?utf-8?B?V21Obit4TG1oYmZTeGpkQmRZb0JVT1I3ZnhOcXhIOFFkRzFrMlFoZDNCbTRv?= =?utf-8?B?cS9JQzFkNnFwbnlmUEorSEQ0N05FVWJLQ0hCbHJsdDVqSlRGN0tjRnMvbUpE?= =?utf-8?B?czYrWWd0aHpTb040cXBTUG42aU13cGtmRkxKalBobjZpRGFkYXA2REhXbkow?= =?utf-8?B?R3A1ZVVLWWdFc2VuZHBpRUFnVWRyREhUZm9DQ2ZtVXVxR05OLzRsUnpCT3N6?= =?utf-8?B?em54VUZxd1ZxMTNJVXZJTjVUQ2txRTR5TWdtZDdsV2hyL293eFlrYkVxMUlh?= =?utf-8?B?eDYvc0VzaUpFd1lyOWRuSWJCVFhrUUs1N1ZCODFQV1YxK0tiRXA0OWtiK3Rq?= =?utf-8?B?ZitqSUNoYkJuUVdac2pHWnlGemxtOWlRejJYY0dab0Y0d3p6dUZNOUorMEN1?= =?utf-8?B?a3BzTE4vU01yZUJSbUZ0b0M3M0ZaV1ZHUFdaWmdsdGF6WDhlc3RtVWRLNXNs?= =?utf-8?B?YUx5b0IvM2s1ZG1jdjZDTHVWdW9BT0dPaDBzbXk4YmtTMG41Q0lvSnlBOExP?= =?utf-8?B?Z1VwSW1lb2ZCREhMcGYyTXdSSmpRL01nTlNLOGw5TlEvOWMrc3VQMURMOXZo?= =?utf-8?B?bEt2SDhQalVYTWI4NGVPcmN2UHZINWVkUnlrcWlCRXFlME0ycWtBWm1KREJ4?= =?utf-8?B?alNaUEh4TElIV0NVQ3Z2SDRudzBBWWx6djRkbGZVV0RCcGNlN0dMUjJ3aUVN?= =?utf-8?B?NUxidEQ3blllclp4TUw3b2ErNEZVSmoxN3lXZ3pRTkgzb0plM0pUTGYxVDdY?= =?utf-8?B?MlR4YjkydS9OS2EyczBMQS9iam56K1owNHF2Tk1TN2dtc0pYWFFBY0p1SlF0?= =?utf-8?B?cnNGWk1MNzRpK1d2Y2d6YXFuaVovZHFsUTRTQ0hsZXJtVHZYRGswMHhPZGJ5?= =?utf-8?B?UmhpSURJdzNrL0E5RDAyRk1hb3JydEhNMFhMTGh3YURBb3BHaXFGajNPL1Ns?= =?utf-8?B?Mm95cUpoekc4aEFUQkVORTgwbkVTaWYzT2g2R1FQeGNrVjdwNHdBaEZiWUNW?= =?utf-8?B?TUhhcmJVb2l3c3kwSHc4U0JCSGt4ejNleW1ZdGdlRzdFSGRPclM3eUxLZlRZ?= =?utf-8?B?dE9OV0g4YmNvM3VDcXJub0lmN1lySHNFUll0b3Q5NzIrS2haUUdWVjRzU0RZ?= =?utf-8?B?cXc9PQ==?= Content-ID: MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SI2PR03MB5885.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4f5a6265-a57a-45c9-4990-08dbb357bc40 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Sep 2023 06:16:00.4648 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a7687ede-7a6b-4ef6-bace-642f677fbe31 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 4pGcfpBrZ1zbMsCUYrYiSzGS9ZQ+MtDMx91jn24ky4QEGoT9qsCMSuae9f4m+0BwOKzPc1xMUGY8fwazWpCOGg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SEYPR03MB8270 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--24.145900-8.000000 X-TMASE-MatchedRID: xIhOSkOSohXUL3YCMmnG4uYAh37ZsBDC1kqyrcMalqVV1lQ/Hn0TOskU hKWc+gwPyGJ1SiZNgOOsXAiB6VK48AbbLE2rYg/9wvqOGBrge3t2esxkSbCUdJ722hDqHosTLIb YUWjS7yjbT4dHnV2cQbvrVFvaS3pvaz+0XDplNBbCz1ymGcrCUcMdI0UcXEHz8QkGgrel/G4QIz eIWm4OKNYl5+U3IeZnRRqEtlXbEyAEQqIqKFLtThWCVBr+Ay98hV0srjoqtx/4JyR+b5tvoHq1v ZPzlqkE9p+FCsxUVBP/WfkXrytReFQhXn0EVdzOSEQN/D/3cG6Zf5btvM85ATPolapMwp0IuHQ5 SWRKq/1tSym29fvkcsCl/H6Tvsoynuh7s4XRTZaeAiCmPx4NwMFrpUbb72MU1B0Hk1Q1KyL3PDi XO/tFSY6HM5rqDwqtlExlQIQeRG0= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--24.145900-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: F6E2396F149DA0C0B615F847A136D0584D36E7708AD6B3394D46FEEA4BB7AC762000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230911_231647_153836_2A54A95B X-CRM114-Status: GOOD ( 24.79 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Rob, Thanks for your review. On Mon, 2023-09-11 at 10:44 -0500, Rob Herring wrote: > > External email : Please do not click links or open attachments until > you have verified the sender or the content. > On Mon, Sep 11, 2023 at 10:30:37AM +0800, Yong Wu wrote: > > This adds the binding for describing a CMA memory for MediaTek > SVP(Secure > > Video Path). > > CMA is a Linux thing. How is this related to CMA? > > > > Signed-off-by: Yong Wu > > --- > > .../mediatek,secure_cma_chunkmem.yaml | 42 > +++++++++++++++++++ > > 1 file changed, 42 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/reserved- > memory/mediatek,secure_cma_chunkmem.yaml > > > > diff --git a/Documentation/devicetree/bindings/reserved- > memory/mediatek,secure_cma_chunkmem.yaml > b/Documentation/devicetree/bindings/reserved- > memory/mediatek,secure_cma_chunkmem.yaml > > new file mode 100644 > > index 000000000000..cc10e00d35c4 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/reserved- > memory/mediatek,secure_cma_chunkmem.yaml > > @@ -0,0 +1,42 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: > http://devicetree.org/schemas/reserved-memory/mediatek,secure_cma_chunkmem.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: MediaTek Secure Video Path Reserved Memory > > What makes this specific to Mediatek? Secure video path is fairly > common, right? Here we just reserve a buffer and would like to create a dma-buf secure heap for SVP, then the secure engines(Vcodec and DRM) could prepare secure buffer through it. But the heap driver is pure SW driver, it is not platform device and we don't have a corresponding HW unit for it. Thus I don't think I could create a platform dtsi node and use "memory-region" pointer to the region. I used RESERVEDMEM_OF_DECLARE currently(The code is in [9/9]). Sorry if this is not right. Then in our usage case, is there some similar method to do this? or any other suggestion? Appreciate in advance. > > > + > > +description: > > + This binding describes the reserved memory for secure video > path. > > + > > +maintainers: > > + - Yong Wu > > + > > +allOf: > > + - $ref: reserved-memory.yaml > > + > > +properties: > > + compatible: > > + const: mediatek,secure_cma_chunkmem > > + > > +required: > > + - compatible > > + - reg > > + - reusable > > + > > +unevaluatedProperties: false > > + > > +examples: > > + - | > > + > > + reserved-memory { > > + #address-cells = <1>; > > + #size-cells = <1>; > > + ranges; > > + > > + reserved-memory@80000000 { > > + compatible = "mediatek,secure_cma_chunkmem"; > > + reusable; > > + reg = <0x80000000 0x18000000>; > > + }; > > + }; > > -- > > 2.25.1 > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel