Received: by 2002:ac0:a582:0:0:0:0:0 with SMTP id m2-v6csp572443imm; Wed, 10 Oct 2018 00:24:21 -0700 (PDT) X-Google-Smtp-Source: ACcGV63q4dBrOUOJUqCdSwMpc3HSw98uXD9dvF/Bt4PzjB68Y6yea0Ic4LKP/3Cy447nrmQGwoZy X-Received: by 2002:a63:c84c:: with SMTP id l12-v6mr28352319pgi.77.1539156261871; Wed, 10 Oct 2018 00:24:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1539156261; cv=none; d=google.com; s=arc-20160816; b=dwEsDgP0k80zD9kzYaZKJx3wpZcB6R4vLLKTpp9rXgL3D9DLeP+S+RnA/UiJh558Th UZy6PDYnygCXJp98CR5e3rL5X5VdaYlm/ikG0+oMlzcaPiNFIaOva7P4kXxYO8zpkVw0 yWpbxyY5rSqa4u2VhOJue44qV27YYITVxlIb/0kCY10ZNhdZKYKWSUUmK3ZrQcerTVYh FbiQ4QzebNtjUn725wIABeVlECDtWJr4T4CuMLy9JXTZN1tdsSIRAy2adWAE3WzIvEig Wa1mzsztKuKQ+LYxSfMNa+t3hNjwkiHZUx3XkSM4F2wYsd4AQtQLEz2IM/2bo5nuFsXh w0Hg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:spamdiagnosticmetadata :spamdiagnosticoutput:mime-version:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=uEGxkS+OTKWeLcmRnt1Y7njNf7hMDaN7YbpIVnOcZmQ=; b=FDqRvG/zbJMeJxMgcQ1b7ZJoZ3dxp60co3O3FbMdQs2dUjJ+8uCwm4JYjbzhN04RF2 CAEcJVthWwPWKYMJ12hVlMF69CD9jll3dQ8ihDga1q630/2Cu/HLRlv478pkGTXEAvah eMQCcRSl9fHa9ywRogfoRo4b8nR2HvpBNS90WPNHOvmYinNbWXN8q5ui8zxDDQ6Nszws pbbLCOHsiP5TikWkHcD/PieJV5Ce2cAhYKhDrcEHWtFaEYiWy1Tx3OpDpQdL2EOMth31 0PkeOO4bhKLTp3ocjsnuXzNG/reaGzQJDnkoJC2mCS9oCbtspItMLhlwh5sNlCE/dnOF mkRQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@xilinx.onmicrosoft.com header.s=selector1-xilinx-com header.b=TTO68lio; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x186-v6si25826407pfx.19.2018.10.10.00.24.06; Wed, 10 Oct 2018 00:24:21 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@xilinx.onmicrosoft.com header.s=selector1-xilinx-com header.b=TTO68lio; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726991AbeJJOmv (ORCPT + 99 others); Wed, 10 Oct 2018 10:42:51 -0400 Received: from mail-dm3nam03on0055.outbound.protection.outlook.com ([104.47.41.55]:9844 "EHLO NAM03-DM3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726468AbeJJOmv (ORCPT ); Wed, 10 Oct 2018 10:42:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xilinx.onmicrosoft.com; s=selector1-xilinx-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=uEGxkS+OTKWeLcmRnt1Y7njNf7hMDaN7YbpIVnOcZmQ=; b=TTO68lioUbB1EG6Pp+ecxQCNHBkSVoXkSD7pfGzadvHALTzS81iQMNxAylSYOcEICE5ErzkdxvCkOXYQuHmWUt1K1OCzD30wB7wNKlzxVMVYiOAjUSvuLriQaVefluSPoWbOQPRIDAkiwfwmEnbRIvu5S8Aq+tTCrp1q3icMKLs= Received: from DM6PR02CA0012.namprd02.prod.outlook.com (2603:10b6:5:1c::25) by BLUPR02MB083.namprd02.prod.outlook.com (2a01:111:e400:811::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.1185.25; Wed, 10 Oct 2018 07:18:55 +0000 Received: from CY1NAM02FT013.eop-nam02.prod.protection.outlook.com (2a01:111:f400:7e45::204) by DM6PR02CA0012.outlook.office365.com (2603:10b6:5:1c::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.1228.21 via Frontend Transport; Wed, 10 Oct 2018 07:18:54 +0000 Authentication-Results: spf=pass (sender IP is 149.199.60.100) smtp.mailfrom=xilinx.com; vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=bestguesspass action=none header.from=xilinx.com; Received-SPF: Pass (protection.outlook.com: domain of xilinx.com designates 149.199.60.100 as permitted sender) receiver=protection.outlook.com; client-ip=149.199.60.100; helo=xsj-pvapsmtpgw02; Received: from xsj-pvapsmtpgw02 (149.199.60.100) by CY1NAM02FT013.mail.protection.outlook.com (10.152.75.162) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.20.1228.17 via Frontend Transport; Wed, 10 Oct 2018 07:18:51 +0000 Received: from unknown-38-66.xilinx.com ([149.199.38.66]:43485 helo=xsj-pvapsmtp01) by xsj-pvapsmtpgw02 with esmtp (Exim 4.63) (envelope-from ) id 1gA8lf-0003YK-83; Wed, 10 Oct 2018 00:18:51 -0700 Received: from [127.0.0.1] (helo=localhost) by xsj-pvapsmtp01 with smtp (Exim 4.63) (envelope-from ) id 1gA8la-0001CM-4d; Wed, 10 Oct 2018 00:18:46 -0700 Received: from xsj-pvapsmtp01 (smtp2.xilinx.com [149.199.38.66]) by xsj-smtp-dlp1.xlnx.xilinx.com (8.13.8/8.13.1) with ESMTP id w9A7IiCg031653; Wed, 10 Oct 2018 00:18:44 -0700 Received: from [172.19.2.167] (helo=xsjjliang50.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1gA8lY-0001AF-Bu; Wed, 10 Oct 2018 00:18:44 -0700 From: Wendy Liang To: , , , CC: , , , Wendy Liang Subject: [PATCH v4 2/2] dt-bindings: mailbox: Add Xilinx IPI Mailbox Date: Wed, 10 Oct 2018 00:18:32 -0700 Message-ID: <1539155912-29760-3-git-send-email-wendy.liang@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1539155912-29760-1-git-send-email-wendy.liang@xilinx.com> References: <1539155912-29760-1-git-send-email-wendy.liang@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.100;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(346002)(396003)(376002)(39860400002)(136003)(2980300002)(438002)(189003)(199004)(356003)(5660300001)(81156014)(15650500001)(81166006)(8676002)(8936002)(50226002)(36386004)(9786002)(50466002)(305945005)(6666003)(106466001)(2906002)(47776003)(63266004)(48376002)(54906003)(316002)(106002)(51416003)(186003)(77096007)(26005)(110136005)(14444005)(16586007)(44832011)(4326008)(478600001)(107886003)(446003)(11346002)(476003)(39060400002)(2616005)(76176011)(7696005)(486006)(126002)(426003)(336012)(36756003)(107986001)(5001870100001);DIR:OUT;SFP:1101;SCL:1;SRVR:BLUPR02MB083;H:xsj-pvapsmtpgw02;FPR:;SPF:Pass;LANG:en;PTR:unknown-60-100.xilinx.com,xapps1.xilinx.com;MX:1;A:1; X-Microsoft-Exchange-Diagnostics: 1;CY1NAM02FT013;1:6Hq3gSQ/mvrGSr7PZLngX5C4vV14+RTxFTRfET03HGumHeOT/6Lx7tgSpZzN5pagpvTSXTZedklPXzofHBK2rsJ1cGe6NzHmWjWBSauVFVv4vKqt/SkiuR8Q/A+1fLpo MIME-Version: 1.0 Content-Type: text/plain X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 0e86375f-ce3d-40c3-b9ef-08d62e80a2de X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600074)(711020)(4608076)(2017052603328)(7153060);SRVR:BLUPR02MB083; X-Microsoft-Exchange-Diagnostics: 1;BLUPR02MB083;3:24vI9rDQDgMiP5ONca1TvxbISVE+Ojg8s5SJ1IDdB6+atiSR9UuNUP2r8bzDprIXCi4GWcZL+RKW3OdEDg89gaiNAYsKyB4MYVVeW6m0mYdosXLjMeRQzzsVlGFoZrnwSifp9MDZUbgdgUwSqYN4cz62SucyejnQ+NdK6whKu16z8FgxvML5hj+PCUq8ukkRenhG9yKq4wMm6E35A+/0rz2iiDC0EC9Pa3zEU7t3A0ZmlPtPh1FQOGRntgY/ymqlhdAV3Jdq/dVfGgJhP2+hRSPjASR8tAIKHXVa3PfoCnyRg3maj7AFVZYoLE0hdmjwJFv8+xcTEJAIcfsrFxJXKvmj6VvdFcn7RSRLxi+49Wo=;25:0lvbrXimwETNn4f0Wx/e4JWN7AOG7GTjvS8qbUeaeT6qiVV8kM98kHv2uTT7MB7tWaT7KOywaXW6/2JGKaaZ792kUcZcKn2x/61jLbhvACGR3OBG9xCimvUnxhAMwdsl/kQSVIgYbfSxtKu3Mopi4cWgVwM+9sTmxodqSf56/GMCmNRZFlh9T059IYsd2edTHqW7HXjrYTUcf3mqINgqaJ94wALsGP8LGKecBm3jLVYjmw1pHNAx1YqrlIGoeDErkKO50UX9+/XxX1KU6fNJ5U1GHeDkNAj5tdL1GDuwGeU2p2JJM/NGjcU9pscUklwqN5H36ckAms8Os9yhVlvvf4UpCIb8z4gtd5jms/B58cM= X-MS-TrafficTypeDiagnostic: BLUPR02MB083: X-Microsoft-Exchange-Diagnostics: 1;BLUPR02MB083;31:1TfJetfyr5WpmwaQt8Z4l63/VIA9/lQk/GKZ+ns4aqxJK+Fe3CyU74Mue7BFY0WVrCZd0xoydv/mzNYt6BlpPgP8jVAGiyfWvsnjgNZqf7Y2pSWVcW3vG09KS6GY9wQqeOBBO43GupunMXJmf2L+/rBctP1RTuxkNUSkyOkBzmLt9S+X5upVRHwZGwGk53D21pOWOk8Gxf9/gkqLhVQPlvvJv6dMVBc3GGzAHIAxlDc=;20: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 X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:(192813158149592); X-MS-Exchange-SenderADCheck: 1 X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:(8211001083)(6040522)(2401047)(8121501046)(5005006)(3231355)(944501410)(52105095)(10201501046)(93006095)(93004095)(3002001)(6055026)(149066)(150057)(6041310)(20161123558120)(20161123562045)(20161123560045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123564045)(201708071742011)(7699051);SRVR:BLUPR02MB083;BCL:0;PCL:0;RULEID:;SRVR:BLUPR02MB083; X-Microsoft-Exchange-Diagnostics: 1;BLUPR02MB083;4:IdqB+skndS6DKeF+lLbyipq+7zLnyaA2MUu7oW1DRqkTBkjVtlHsIIRCBG9WIiaoT0UpK9HFaOtps6MmucPsw3xHbrrtAac19R62BhwNwIWb2p4pqKbP0b2kHUpgBongcSdiE5dlox4HKiopCYCqmk2fN3fnszh7+YzTdBU5eyhw46x84NgnmyGcuYfkBHlRx404FOIFFuNsb4wblZYd1wgxao1iez08HWGm+xACnQlbH1+KMk9uYomepcOjzOe3LOHIrVwA1XBtIgbiV8hfvaKFYR8HmhuKqBuWr+o6Sx/9xnnR5bPwmVnMg2ZRAnKh X-Forefront-PRVS: 08213D42D3 X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1;BLUPR02MB083;23:OKEGAcp6o8EKuYwNnIwBybUwuzQDAxEtSTow4xJLk4?= =?us-ascii?Q?A/+ghzoZzN108WS5K+4MqoarQhRyeug5mU14kMnKQo8blCkh8A1ohoYWgzwP?= =?us-ascii?Q?DkCsV3UaT0NjDv3sH6YMIHS6ivdBT7I41F3zaPROggIm/JG3vdZpuIHWDRnU?= =?us-ascii?Q?SdVOxWH4KOi0gxRxsoxyBqqfBVTKBFaH5TutXBtAQVG5ihdgfvk+gD4YUksp?= =?us-ascii?Q?MTY7+ENQ6Sdm5etM5FFOMQUgfJRUHIM6i1ZgFLpSFRyKA8TW+vV25irnrcCU?= =?us-ascii?Q?T0XINW/M9nzo7MVEMTVI23bgE3p3C6fhjdWeJNYWK7XFWA28qeHbMGin00Ol?= =?us-ascii?Q?SOTPzt+VCha0siwxsb7oMoQzd8d4FwEH6b8QYmGcdSmLGCItTK0NcGBcH2l/?= =?us-ascii?Q?riJQ7YiTOBlhGjZm7FPkHoUoWO9L51aLXe2PLOGlb2GJPlYGkT8Z8/V0MuDr?= =?us-ascii?Q?YVaiXOr51l/ID6qH6e/HfgddSmntvRxAE5i+DP01K/a07C/zW35jB+XzCVDc?= =?us-ascii?Q?XidBNNseABqGcswo3TXS7YNgFvvzFnLWra3F0U8s2HG/zyRp+SB/VdFn5cx1?= =?us-ascii?Q?DHKwSind8SOGc/5JgjZed6+Fuvb0RTZhQbGwroEH6NuR5l/tU9+i8msCsDX+?= =?us-ascii?Q?r6Yf4ir8wJtYMHpv7W3s+xqZS6QTMCAuyOLL4UDMHAdlGyGpJc4AJ0UmDNw8?= =?us-ascii?Q?Nf1qXntKpSZXW8BRzqtc5Yb9rizt3MrEN6Ksgm5/6akt9Nc+to8tdVUOTO/3?= =?us-ascii?Q?zCKG49Zx3qsmCJp8JwAvzYT4y96A50LS99bFY4Ja45gacKCnJ4tClNVXNv/P?= =?us-ascii?Q?ln9kl9o7OVkzAUt5KqdAAyfIY7u6qE2iUBKyJegli/Y2uPSCOCHUQOaTGv06?= =?us-ascii?Q?s5r+CAx7I3FoLdzMRCC1c7Fp1np5KxCNCl0L61FpDhZW2JVKyMNwNr7zv4/R?= =?us-ascii?Q?XxcpOWjbzFJPIJQ9CPria9Vh6v9uUi2frzD7lUsBFX7NjrL3R4aeae/E7IZa?= =?us-ascii?Q?807e5OQINnhdTszMz5BARy9fmXvSOCfGfS+8VTe8o9+c70wJqWfiDuoKPLX9?= =?us-ascii?Q?od6yPBzYHVmVcigZ0ffL3MHY2XGuYjky8WUE0sNEbe6BOEZeMADg4jt2ekXY?= =?us-ascii?Q?jADV+LSvaY74gnSHx9Bskfz4KQLBxD2+wunzlquCO25UfSKeUlaBTWuLkKWm?= =?us-ascii?Q?JgkhUEjScmr85RZgw2F7inpAOjaDVdYl3aJu7A6Bin2tpdCpASt9BA9Q=3D?= =?us-ascii?Q?=3D?= X-Microsoft-Antispam-Message-Info: J8YOP0lZYalHB8OEdfSrNui+mDXQ2YjTJ8QX9dTHF4gEmuVyuDa4BNuFWOsJ9m9d/T6T0mY7Un3grqvQ479R5nzkY6SpQu5/DKfTANdYnFq8F90jkYFwcWO317PKHIdNbNv9dAV/QyKGOYI6GkKZ3B7szSzkVdqw4+qb5rO5dTzLO9lUAgxXPPnQWu7W4wGuM21GHZ8QoyCM9cVJEtoR2XNb6rO4VPi6dIWkfm7cStvrYsU+sdCy4p0Y89KcpLSqEnlNCJh7qEq224GNg7O2zLKekcFqxiSzAXQjxjoAodUYqc1m10dZ+ppd4NSl+OxcqGog2k6UrQr4A1v4mqJHQNN2MZ9K0WItAdAmBLHF4BI= X-Microsoft-Exchange-Diagnostics: 1;BLUPR02MB083;6:o6DaVBAqd4vqfYuoaukqi3zZRjUiAd/tO1cTbDYVA4mfDLnyd/DpFYnyAWfiUH4CmpwVF/PL5s8WANLKLAY8r3NMr4Xj0uDmmo8Ecfk1GBgXfqt2PFc+PjlI3I5kSk26I99QiN10KQ5tgrxQyEAmAVJf2zhy3jCy0yF9VM9RbTGbRL5q1CEcpHm4mOEFyE9c4AZYtIKEg3DbJwSJC89+9y212MOE3Fu6gIHhhd9uejC8y8aPwS6xoAoTBSVDbzVUpQ6+EJOHeEvLpHdJr59ZxS1cs6VFskf3eMHXC5ep5pZZXo1yRaGm5i/9KcnCRmswkIJDAeXVZjINXqZnh9V/Axzfof3tfx+fUGMKoA0j/aV6OlDdo5slH++RO/kgzqPoR5iKGs3SXIkPfsYAGnRa3MtyqESbjbWsrhyggozabeVAMBuTCA3cGuw8MicWpBrXJA6oXNvzf4KWKRbyazX06Q==;5:hbz18iRe24OI+s/jaHnAGuXNHKq4dbHPHn1fCGzjQB1G3AZenJdOrPfe6ORbE59YN9XBS3wDat8Lp5LSoo7FfN/o1I7DMV+x0Egev6V+nj9mxILOKngZcXSbbovHouSknu90HEDloTwVL6VLQeQx5JUZWWN6Q54h9rI4qrQB8M4=;7:eu+/iaj8cRZuc8xjFN4a/m8Npc9w/Vic2EHYOxATBeK5QxVRgt2XY2CBYPJ/+jRHufxW5bKGbjqjTmesgBZNGzrB3DAjfGe76yJ5EBxRDsv0dO2kfRwGqzBiOg5bHcPs+wmt5s5EuFrA9R8ROWw2CJ2ZupuCeOQydYktnz/2eMbSVI3uBnq9uVLbUNQjmJVkcELp76WPOMl68IEgiPBlo/kwa4gxTdM7JIA0F5r7LwFymflP08D3dB0InavKOwaV SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Oct 2018 07:18:51.9888 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0e86375f-ce3d-40c3-b9ef-08d62e80a2de X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.100];Helo=[xsj-pvapsmtpgw02] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BLUPR02MB083 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Xilinx ZynqMP IPI(Inter Processor Interrupt) is a hardware block in ZynqMP SoC used for the communication between various processor systems. Signed-off-by: Wendy Liang --- Not put "Reviewed-by" as bindings have been updated since last review. --- .../bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt | 128 +++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt diff --git a/Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt b/Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt new file mode 100644 index 0000000..146f2fb --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/xlnx,zynqmp-ipi-mailbox.txt @@ -0,0 +1,128 @@ +Xilinx IPI Mailbox Controller +======================================== + +The Xilinx IPI(Inter Processor Interrupt) mailbox controller is to manage +messaging between two Xilinx Zynq UltraScale+ MPSoC IPI agents. Each IPI +agent owns registers used for notification and buffers for message. + + +-------------------------------------+ + | Xilinx ZynqMP IPI Controller | + +-------------------------------------+ + +--------------------------------------------------+ +ATF | | + | | + | | + +--------------------------+ | + | | + | | + +--------------------------------------------------+ + +------------------------------------------+ + | +----------------+ +----------------+ | +Hardware | | IPI Agent | | IPI Buffers | | + | | Registers | | | | + | | | | | | + | +----------------+ +----------------+ | + | | + | Xilinx IPI Agent Block | + +------------------------------------------+ + + +Controller Device Node: +=========================== +Required properties: +-------------------- +IPI agent node: +- compatible: Shall be: "xlnx,zynqmp-ipi-mailbox" +- interrupt-parent: Phandle for the interrupt controller +- interrupts: Interrupt information corresponding to the + interrupt-names property. +- xlnx,ipi-id: local Xilinx IPI agent ID +- #address-cells: number of address cells of internal IPI mailbox nodes +- #size-cells: number of size cells of internal IPI mailbox nodes + +Internal IPI mailbox node: +- reg: IPI buffers address ranges +- reg-names: Names of the reg resources. It should have: + * local_request_region + - IPI request msg buffer written by local and read + by remote + * local_response_region + - IPI response msg buffer written by local and read + by remote + * remote_request_region + - IPI request msg buffer written by remote and read + by local + * remote_response_region + - IPI response msg buffer written by remote and read + by local +- #mbox-cells: Shall be 1. It contains: + * tx(0) or rx(1) channel +- xlnx,ipi-id: remote Xilinx IPI agent ID of which the mailbox is + connected to. + +Optional properties: +-------------------- +- method: The method of accessing the IPI agent registers. + Permitted values are: "smc" and "hvc". Default is + "smc". + +Client Device Node: +=========================== +Required properties: +-------------------- +- mboxes: Standard property to specify a mailbox + (See ./mailbox.txt) +- mbox-names: List of identifier strings for each mailbox + channel. + +Example: +=========================== + zynqmp_ipi { + compatible = "xlnx,zynqmp-ipi-mailbox"; + interrupt-parent = <&gic>; + interrupts = <0 29 4>; + xlnx,ipi-id = <0>; + #address-cells = <1>; + #size-cells = <1>; + + /* APU<->RPU0 IPI mailbox controller */ + ipi_mailbox_rpu0: mailbox@ff90400 { + compatible = "xlnx,zynqmp-ipi-mailbox"; + reg = <0xff990400 0x20>, + <0xff990420 0x20>, + <0xff990080 0x20>, + <0xff9900a0 0x20>; + reg-names = "local_request_region", + "local_response_region", + "remote_request_region", + "remote_response_region"; + #mbox-cells = <1>; + xlnx-ipi-id = <1>; + }; + /* APU<->RPU1 IPI mailbox controller */ + ipi_mailbox_rpu1: mailbox@ff990440 { + compatible = "xlnx,zynqmp-ipi-mailbox"; + reg = <0xff990440 0x20>, + <0xff990460 0x20>, + <0xff990280 0x20>, + <0xff9902a0 0x20>; + reg-names = "local_request_region", + "local_response_region", + "remote_request_region", + "remote_response_region"; + #mbox-cells = <1>; + xlnx-ipi-ids = <2>; + }; + }; + rpu0 { + ... + mboxes = <&ipi_mailbox_rpu0 0>, + <&ipi_mailbox_rpu0 1>; + mbox-names = "tx", "rx"; + }; + rpu1 { + ... + mboxes = <&ipi_mailbox_rpu1 0>, + <&ipi_mailbox_rpu1 1>; + mbox-names = "tx", "rx"; + }; -- 2.7.4