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 X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,PDS_BAD_THREAD_QP_64,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8031C43460 for ; Mon, 5 Apr 2021 08:46:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A7386613A3 for ; Mon, 5 Apr 2021 08:46:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232591AbhDEIrC (ORCPT ); Mon, 5 Apr 2021 04:47:02 -0400 Received: from mail-bn8nam08on2086.outbound.protection.outlook.com ([40.107.100.86]:61782 "EHLO NAM04-BN8-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231979AbhDEIrA (ORCPT ); Mon, 5 Apr 2021 04:47:00 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=CRH9rEseIK1+6faczTx5gQTrZN2wVNSu+QS2pdcc2rLYBmeuiAcwe9cJtfwxgsi9Bs0WzUK5TmmhUEaWhiLG2MxXIASp6Yau/ezrqQqRxcudF+8nRQ/gAh7VpBifH/DM8oGM1RXlE7Ki7hRRIRBjfAWDr4iVZJ13gv5WhZiyd2LSERaUCNNxCDRJ2JE7ZfMd7yQ1CtAhNzYDHUM5LX4JY20IErquoWzTy5/4HswX55OPSjbZ4WLLOzxEXh9r8G+/G8EKaldZ9vwUL1DUHylWOyUhzHWzN13jusG7YP8uBtRBzdGZNUJ4i6BMz4jJ8+SvJeidgpr0jK9MJw+ZcEfYkA== 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-SenderADCheck; bh=QCSe7eKn3/UgU4v3eTjdFk9E4b+3yYeazqigB25G4rE=; b=LobW1WThZ7PK7CsnTFWoCjUgFcNeCngC+f5rojHbDHzcz2WNuiSUNGuDWjI43sWZt3io3w2WJ2ZteoBy/ZgLtJrIDC+ae40Nl6UL3zVdf7sv8Obcd9mr5hcT8B6lDmnokEkhR9ZuWQWOMmK5TwihZt4ya+XwfvWKuFlyFeb5/5XOCaF4ggPPaceLVhUGQaIU6rMNt0VqtOtIXozwhZKOfRAnIrQNXqTdjDRxM+VKj9KG3nf7x4scInyzPSZQeDKKPPiZYFeGP/l0TCPGm2VF/QzITKYNMM0VqfRarLe82bQTWzh7MovFUJ5ZxZMzhHC1YBQQAymz8Ax7vJib7Xrngg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=xilinx.com; dmarc=pass action=none header.from=xilinx.com; dkim=pass header.d=xilinx.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xilinx.onmicrosoft.com; s=selector2-xilinx-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=QCSe7eKn3/UgU4v3eTjdFk9E4b+3yYeazqigB25G4rE=; b=kaar25SQNygJpOwIqb5p9unfDelFDVtY+20rSKvSWix0U+fGp57NUx4T+LD0NFpsFphoEH6SerDu3NtP1QqSjU2WyjUduU2v1vsLQmzEj1KRJKzZ7lXfaMOkJgxonZXsCA9ySFt2tRwPopWkkbWxau6vzQGEAR4akoddacgJmw8= Received: from MWHPR02MB2623.namprd02.prod.outlook.com (2603:10b6:300:44::9) by MWHPR02MB2255.namprd02.prod.outlook.com (2603:10b6:300:5b::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3999.27; Mon, 5 Apr 2021 08:46:52 +0000 Received: from MWHPR02MB2623.namprd02.prod.outlook.com ([fe80::297d:1fb:ad07:1b26]) by MWHPR02MB2623.namprd02.prod.outlook.com ([fe80::297d:1fb:ad07:1b26%9]) with mapi id 15.20.3999.032; Mon, 5 Apr 2021 08:46:52 +0000 From: Nava kishore Manne To: Moritz Fischer CC: "trix@redhat.com" , "robh+dt@kernel.org" , Michal Simek , "linux-fpga@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , git Subject: RE: [PATCH 2/3] fpga: region: Add fpga-region property 'power-domains' Thread-Topic: [PATCH 2/3] fpga: region: Add fpga-region property 'power-domains' Thread-Index: AQHXJ6KbIboogT20lUe4ToWVY3OqHKqheFQAgAQlMfA= Date: Mon, 5 Apr 2021 08:46:51 +0000 Message-ID: References: <20210402092049.479-1-nava.manne@xilinx.com> <20210402092049.479-3-nava.manne@xilinx.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-TNEF-Correlator: authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=xilinx.com; x-originating-ip: [149.199.50.129] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 80d636c0-d990-4310-81e6-08d8f80f5bd2 x-ms-traffictypediagnostic: MWHPR02MB2255: x-ld-processed: 657af505-d5df-48d0-8300-c31994686c5c,ExtAddr x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-ms-exchange-senderadcheck: 1 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:MWHPR02MB2623.namprd02.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(396003)(39850400004)(376002)(366004)(346002)(136003)(4326008)(76116006)(6506007)(316002)(71200400001)(55016002)(8676002)(6916009)(66476007)(478600001)(66946007)(53546011)(26005)(38100700001)(52536014)(2906002)(7696005)(8936002)(54906003)(33656002)(186003)(107886003)(5660300002)(66556008)(83380400001)(9686003)(64756008)(66446008)(86362001);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata: =?us-ascii?Q?MJHb37kC552iz2MIP9N984phK8W2gpQtkMD+Td+lcHxSDJu1qkrOrnW1mGT8?= =?us-ascii?Q?99RlqifjTAgOqCIeWKvoESvwsHtplX3Byt0qcWAxz61mKfEzAnAS60IXMcFe?= =?us-ascii?Q?jRi/lYU+Sk32TgG+LH5/bIeWRWDwYaT36F19+05e8w9iaqmVGupJs1ohuu3X?= =?us-ascii?Q?HqIWYt+imjg4mfxvaDd4xeqXBkJq86rw+VFtE5NeaZNDdxJm6VZGY9rN/y+s?= =?us-ascii?Q?3JidBGnC9fJS9I31D4HFH0YN7Xzu0CRZW8rmEtxdYuB4YQDrYteaLL4oKhSu?= =?us-ascii?Q?ExO3euB+xjdp777AK0jEEIl3ahZJhoVLkT3QmrCsRL2L4its9s9DDJDPrMfO?= =?us-ascii?Q?lYzF1pP6Z3V5twIfX3Mv+MMcnichS2RAKgD29uJu5tNrIIVJPB4DAEbiSwaG?= =?us-ascii?Q?Xzr7e64ADubKc3MMpkKPG7cpAenkvasZdJfxAzkRX5aqzozOil49M+caXbiW?= =?us-ascii?Q?eUFO/oHIbP1yOSD/XOhCnr2FMZWdSrjJlC/Mt7AOg4qhsCy+HaQBhwoKyZF1?= =?us-ascii?Q?mJtmvJAMjmZcWmMNxdFQFL/BRTD5UNUvtg+d0GbAoWJR91p/y8JKvav27k7l?= =?us-ascii?Q?Cz0DeZpEET5kR0ID3KygpfCotxfaSdDjlxSW20IzdUbwaSSQs1sZGClm1l0n?= =?us-ascii?Q?VIxzB9aBIYw8LlIYM+G97BBPhwE/p9QQ7FP9XfsuMTK9AqSPtlW7HDREWisO?= =?us-ascii?Q?nU23ihbmyCEtDo60OomjtMMxaMbjzrZ3oIC4dv+oMkULxxQcTl3hsrWsRTbE?= =?us-ascii?Q?KO0NNBhjImI+RVxRDdm/pA6S3xCTjrrmjGABxooJI4W4DO43y9mc9WAb5lPS?= =?us-ascii?Q?u4gLCCOw9vrskVjUCNohhmilzHMEsjTsaE1R6YDs4/QbmFMLFCnw7Wr0IbYZ?= =?us-ascii?Q?SxPipZ2QTXfLN05gXGR7e3dGHZ5a6BBzrnU9FhfVbnrBY1wxajj9xFN4xcZa?= =?us-ascii?Q?j13UmuQyjL0a233DyTSbJx+r60oFSnQVwt8aNCfzfWrdNvGdjFcPO0LhtfCE?= =?us-ascii?Q?2wk5gv6npueNQxPUAi55B0fXf4iHr8LmpHLKqOO8eeaFRerz/4EJJe4elNO3?= =?us-ascii?Q?MC73xFvekPd52Ua1STdWqNvYILXyHcfI7J3UZKMh50RQtRI25wxhXThJSq+s?= =?us-ascii?Q?r44YAeTXglv3phHu6AQoZSDC00y1kACpdpL6J9TZic6NefiS4osT+ZDsIsvU?= =?us-ascii?Q?7RkH9KQeQNdKJfgZFnQONhAxBPZzoFhmcympxeScwzJTEsPgDV9s+kxIkrq8?= =?us-ascii?Q?xtnMvPI4/6lNXbe1am60MdXFi6WEOjRm+7uFhinOxbRsQ6wjWusavIM+m819?= =?us-ascii?Q?CeJqnxHr7mCVufteSwElZLA0?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MWHPR02MB2623.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 80d636c0-d990-4310-81e6-08d8f80f5bd2 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Apr 2021 08:46:51.9996 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: IvF1KVWJOSWp9sy3o3OzMNUBuS3o3cL1lotSsfbVJ4pJOR1T5TdXOB3zWLcgTMpZP1mTfNHtZNUbqPz7k8JjSw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR02MB2255 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Moritz, Thanks for the response. Please find my response inline. > -----Original Message----- > From: Moritz Fischer > Sent: Friday, April 2, 2021 10:46 PM > To: Nava kishore Manne > Cc: mdf@kernel.org; trix@redhat.com; robh+dt@kernel.org; Michal Simek > ; linux-fpga@vger.kernel.org; > devicetree@vger.kernel.org; linux-kernel@vger.kernel.org; linux-arm- > kernel@lists.infradead.org; git > Subject: Re: [PATCH 2/3] fpga: region: Add fpga-region property 'power- > domains' >=20 > On Fri, Apr 02, 2021 at 02:50:48PM +0530, Nava kishore Manne wrote: > > Add fpga-region property 'power-domains' to allow to handle the > > FPGA/PL power domins. > > > > dt-bindings: fpga: Enable PM generic domain support > > > > Signed-off-by: Nava kishore Manne > > --- > > .../devicetree/bindings/fpga/fpga-region.txt | 14 ++++++++++++++ > > 1 file changed, 14 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/fpga/fpga-region.txt > > b/Documentation/devicetree/bindings/fpga/fpga-region.txt > > index e811cf825019..969ca53bb65e 100644 > > --- a/Documentation/devicetree/bindings/fpga/fpga-region.txt > > +++ b/Documentation/devicetree/bindings/fpga/fpga-region.txt > > @@ -196,6 +196,20 @@ Optional properties: > > - config-complete-timeout-us : The maximum time in microseconds time > for the > > FPGA to go to operating mode after the region has been > programmed. > > - child nodes : devices in the FPGA after programming. > > +- power-domains : A phandle and PM domain specifier as defined by > bindings of > > + the power controller specified by phandle. > > +Example: > > + fpga_full: fpga-full { > > + compatible =3D "fpga-region"; > > + fpga-mgr =3D <&zynqmp_pcap>; > > + #address-cells =3D <2>; > > + #size-cells =3D <2>; > > + ranges; > > + power-domains =3D <&zynqmp_firmware PL_PD>; > > + }; > > + > > + The PL_PD power domain will be turned on before loading the > > +bitstream and turned off while removing/unloading the bitstream using > overlays. >=20 > Can multiple regions share a power-domain or is this specific to full fpg= a > reconfiguration? >=20 These are generic changes and not limited to full region. If H/W supports i= ndividual power domains to control the Partial reconfiguration regions we c= an control the individual Partial reconfiguration region power domains as w= ell. Regards, Navakishore. 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 X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5364C433ED for ; Mon, 5 Apr 2021 08:48:44 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 391AB61003 for ; Mon, 5 Apr 2021 08:48:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 391AB61003 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=xilinx.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References: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=QfVEy+g8xgdBXzOOOYh/RoFRwFL8e48OGbLbQjY/vTk=; b=B1gPhWQBX1fpnLouX+rCYAPYC SNy9AgwY3OhhhtKti7dJ/1DepJ4lmd+pkWS8z+lIQ+WI4NYUOMsK1DocPsBujZCMHWxPZIB7priWo OU+HcZT3JYgRWnL9u1Wx05O0gCFWQ3ltPODOoWMeqRc52xm9QAp6ig9Lw17yJedc7ZVSo77oUoYyu hmRen3Hs3iroZ1SjpPXjDSS1dFCuOtAY0RRpeXTwc79F/S13A2pxjQnEfTuX3LeAvkfzQ6ZKeLO7a Ez3nMnN/a2fD7AdSJppKXV9Vp2Mu1USg/g7nhMh5vMdZC3q3tYHYSKuAQ436r4ki4lH3T0hUFHwMf dMWfDwTSA==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lTKsv-00Gz9V-LK; Mon, 05 Apr 2021 08:47:02 +0000 Received: from mail-bn8nam08on2040.outbound.protection.outlook.com ([40.107.100.40] helo=NAM04-BN8-obe.outbound.protection.outlook.com) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lTKsr-00Gz8W-2v for linux-arm-kernel@lists.infradead.org; Mon, 05 Apr 2021 08:46:59 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=CRH9rEseIK1+6faczTx5gQTrZN2wVNSu+QS2pdcc2rLYBmeuiAcwe9cJtfwxgsi9Bs0WzUK5TmmhUEaWhiLG2MxXIASp6Yau/ezrqQqRxcudF+8nRQ/gAh7VpBifH/DM8oGM1RXlE7Ki7hRRIRBjfAWDr4iVZJ13gv5WhZiyd2LSERaUCNNxCDRJ2JE7ZfMd7yQ1CtAhNzYDHUM5LX4JY20IErquoWzTy5/4HswX55OPSjbZ4WLLOzxEXh9r8G+/G8EKaldZ9vwUL1DUHylWOyUhzHWzN13jusG7YP8uBtRBzdGZNUJ4i6BMz4jJ8+SvJeidgpr0jK9MJw+ZcEfYkA== 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-SenderADCheck; bh=QCSe7eKn3/UgU4v3eTjdFk9E4b+3yYeazqigB25G4rE=; b=LobW1WThZ7PK7CsnTFWoCjUgFcNeCngC+f5rojHbDHzcz2WNuiSUNGuDWjI43sWZt3io3w2WJ2ZteoBy/ZgLtJrIDC+ae40Nl6UL3zVdf7sv8Obcd9mr5hcT8B6lDmnokEkhR9ZuWQWOMmK5TwihZt4ya+XwfvWKuFlyFeb5/5XOCaF4ggPPaceLVhUGQaIU6rMNt0VqtOtIXozwhZKOfRAnIrQNXqTdjDRxM+VKj9KG3nf7x4scInyzPSZQeDKKPPiZYFeGP/l0TCPGm2VF/QzITKYNMM0VqfRarLe82bQTWzh7MovFUJ5ZxZMzhHC1YBQQAymz8Ax7vJib7Xrngg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=xilinx.com; dmarc=pass action=none header.from=xilinx.com; dkim=pass header.d=xilinx.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xilinx.onmicrosoft.com; s=selector2-xilinx-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=QCSe7eKn3/UgU4v3eTjdFk9E4b+3yYeazqigB25G4rE=; b=kaar25SQNygJpOwIqb5p9unfDelFDVtY+20rSKvSWix0U+fGp57NUx4T+LD0NFpsFphoEH6SerDu3NtP1QqSjU2WyjUduU2v1vsLQmzEj1KRJKzZ7lXfaMOkJgxonZXsCA9ySFt2tRwPopWkkbWxau6vzQGEAR4akoddacgJmw8= Received: from MWHPR02MB2623.namprd02.prod.outlook.com (2603:10b6:300:44::9) by MWHPR02MB2255.namprd02.prod.outlook.com (2603:10b6:300:5b::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3999.27; Mon, 5 Apr 2021 08:46:52 +0000 Received: from MWHPR02MB2623.namprd02.prod.outlook.com ([fe80::297d:1fb:ad07:1b26]) by MWHPR02MB2623.namprd02.prod.outlook.com ([fe80::297d:1fb:ad07:1b26%9]) with mapi id 15.20.3999.032; Mon, 5 Apr 2021 08:46:52 +0000 From: Nava kishore Manne To: Moritz Fischer CC: "trix@redhat.com" , "robh+dt@kernel.org" , Michal Simek , "linux-fpga@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , git Subject: RE: [PATCH 2/3] fpga: region: Add fpga-region property 'power-domains' Thread-Topic: [PATCH 2/3] fpga: region: Add fpga-region property 'power-domains' Thread-Index: AQHXJ6KbIboogT20lUe4ToWVY3OqHKqheFQAgAQlMfA= Date: Mon, 5 Apr 2021 08:46:51 +0000 Message-ID: References: <20210402092049.479-1-nava.manne@xilinx.com> <20210402092049.479-3-nava.manne@xilinx.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-TNEF-Correlator: authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=xilinx.com; x-originating-ip: [149.199.50.129] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 80d636c0-d990-4310-81e6-08d8f80f5bd2 x-ms-traffictypediagnostic: MWHPR02MB2255: x-ld-processed: 657af505-d5df-48d0-8300-c31994686c5c,ExtAddr x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-ms-exchange-senderadcheck: 1 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:MWHPR02MB2623.namprd02.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(396003)(39850400004)(376002)(366004)(346002)(136003)(4326008)(76116006)(6506007)(316002)(71200400001)(55016002)(8676002)(6916009)(66476007)(478600001)(66946007)(53546011)(26005)(38100700001)(52536014)(2906002)(7696005)(8936002)(54906003)(33656002)(186003)(107886003)(5660300002)(66556008)(83380400001)(9686003)(64756008)(66446008)(86362001); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata: =?us-ascii?Q?MJHb37kC552iz2MIP9N984phK8W2gpQtkMD+Td+lcHxSDJu1qkrOrnW1mGT8?= =?us-ascii?Q?99RlqifjTAgOqCIeWKvoESvwsHtplX3Byt0qcWAxz61mKfEzAnAS60IXMcFe?= =?us-ascii?Q?jRi/lYU+Sk32TgG+LH5/bIeWRWDwYaT36F19+05e8w9iaqmVGupJs1ohuu3X?= =?us-ascii?Q?HqIWYt+imjg4mfxvaDd4xeqXBkJq86rw+VFtE5NeaZNDdxJm6VZGY9rN/y+s?= =?us-ascii?Q?3JidBGnC9fJS9I31D4HFH0YN7Xzu0CRZW8rmEtxdYuB4YQDrYteaLL4oKhSu?= =?us-ascii?Q?ExO3euB+xjdp777AK0jEEIl3ahZJhoVLkT3QmrCsRL2L4its9s9DDJDPrMfO?= =?us-ascii?Q?lYzF1pP6Z3V5twIfX3Mv+MMcnichS2RAKgD29uJu5tNrIIVJPB4DAEbiSwaG?= =?us-ascii?Q?Xzr7e64ADubKc3MMpkKPG7cpAenkvasZdJfxAzkRX5aqzozOil49M+caXbiW?= =?us-ascii?Q?eUFO/oHIbP1yOSD/XOhCnr2FMZWdSrjJlC/Mt7AOg4qhsCy+HaQBhwoKyZF1?= =?us-ascii?Q?mJtmvJAMjmZcWmMNxdFQFL/BRTD5UNUvtg+d0GbAoWJR91p/y8JKvav27k7l?= =?us-ascii?Q?Cz0DeZpEET5kR0ID3KygpfCotxfaSdDjlxSW20IzdUbwaSSQs1sZGClm1l0n?= =?us-ascii?Q?VIxzB9aBIYw8LlIYM+G97BBPhwE/p9QQ7FP9XfsuMTK9AqSPtlW7HDREWisO?= =?us-ascii?Q?nU23ihbmyCEtDo60OomjtMMxaMbjzrZ3oIC4dv+oMkULxxQcTl3hsrWsRTbE?= =?us-ascii?Q?KO0NNBhjImI+RVxRDdm/pA6S3xCTjrrmjGABxooJI4W4DO43y9mc9WAb5lPS?= =?us-ascii?Q?u4gLCCOw9vrskVjUCNohhmilzHMEsjTsaE1R6YDs4/QbmFMLFCnw7Wr0IbYZ?= =?us-ascii?Q?SxPipZ2QTXfLN05gXGR7e3dGHZ5a6BBzrnU9FhfVbnrBY1wxajj9xFN4xcZa?= =?us-ascii?Q?j13UmuQyjL0a233DyTSbJx+r60oFSnQVwt8aNCfzfWrdNvGdjFcPO0LhtfCE?= =?us-ascii?Q?2wk5gv6npueNQxPUAi55B0fXf4iHr8LmpHLKqOO8eeaFRerz/4EJJe4elNO3?= =?us-ascii?Q?MC73xFvekPd52Ua1STdWqNvYILXyHcfI7J3UZKMh50RQtRI25wxhXThJSq+s?= =?us-ascii?Q?r44YAeTXglv3phHu6AQoZSDC00y1kACpdpL6J9TZic6NefiS4osT+ZDsIsvU?= =?us-ascii?Q?7RkH9KQeQNdKJfgZFnQONhAxBPZzoFhmcympxeScwzJTEsPgDV9s+kxIkrq8?= =?us-ascii?Q?xtnMvPI4/6lNXbe1am60MdXFi6WEOjRm+7uFhinOxbRsQ6wjWusavIM+m819?= =?us-ascii?Q?CeJqnxHr7mCVufteSwElZLA0?= MIME-Version: 1.0 X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MWHPR02MB2623.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 80d636c0-d990-4310-81e6-08d8f80f5bd2 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Apr 2021 08:46:51.9996 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: IvF1KVWJOSWp9sy3o3OzMNUBuS3o3cL1lotSsfbVJ4pJOR1T5TdXOB3zWLcgTMpZP1mTfNHtZNUbqPz7k8JjSw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR02MB2255 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210405_094657_255368_20B0C106 X-CRM114-Status: GOOD ( 21.17 ) 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 Moritz, Thanks for the response. Please find my response inline. > -----Original Message----- > From: Moritz Fischer > Sent: Friday, April 2, 2021 10:46 PM > To: Nava kishore Manne > Cc: mdf@kernel.org; trix@redhat.com; robh+dt@kernel.org; Michal Simek > ; linux-fpga@vger.kernel.org; > devicetree@vger.kernel.org; linux-kernel@vger.kernel.org; linux-arm- > kernel@lists.infradead.org; git > Subject: Re: [PATCH 2/3] fpga: region: Add fpga-region property 'power- > domains' > > On Fri, Apr 02, 2021 at 02:50:48PM +0530, Nava kishore Manne wrote: > > Add fpga-region property 'power-domains' to allow to handle the > > FPGA/PL power domins. > > > > dt-bindings: fpga: Enable PM generic domain support > > > > Signed-off-by: Nava kishore Manne > > --- > > .../devicetree/bindings/fpga/fpga-region.txt | 14 ++++++++++++++ > > 1 file changed, 14 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/fpga/fpga-region.txt > > b/Documentation/devicetree/bindings/fpga/fpga-region.txt > > index e811cf825019..969ca53bb65e 100644 > > --- a/Documentation/devicetree/bindings/fpga/fpga-region.txt > > +++ b/Documentation/devicetree/bindings/fpga/fpga-region.txt > > @@ -196,6 +196,20 @@ Optional properties: > > - config-complete-timeout-us : The maximum time in microseconds time > for the > > FPGA to go to operating mode after the region has been > programmed. > > - child nodes : devices in the FPGA after programming. > > +- power-domains : A phandle and PM domain specifier as defined by > bindings of > > + the power controller specified by phandle. > > +Example: > > + fpga_full: fpga-full { > > + compatible = "fpga-region"; > > + fpga-mgr = <&zynqmp_pcap>; > > + #address-cells = <2>; > > + #size-cells = <2>; > > + ranges; > > + power-domains = <&zynqmp_firmware PL_PD>; > > + }; > > + > > + The PL_PD power domain will be turned on before loading the > > +bitstream and turned off while removing/unloading the bitstream using > overlays. > > Can multiple regions share a power-domain or is this specific to full fpga > reconfiguration? > These are generic changes and not limited to full region. If H/W supports individual power domains to control the Partial reconfiguration regions we can control the individual Partial reconfiguration region power domains as well. Regards, Navakishore. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel