From patchwork Thu Jun 27 08:12:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Baluta X-Patchwork-Id: 1123177 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.b="pZt1dlzC"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45ZCLV3Zrgz9sLt for ; Thu, 27 Jun 2019 18:12:34 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726537AbfF0IMc (ORCPT ); Thu, 27 Jun 2019 04:12:32 -0400 Received: from mail-eopbgr60066.outbound.protection.outlook.com ([40.107.6.66]:62531 "EHLO EUR04-DB3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726370AbfF0IMb (ORCPT ); Thu, 27 Jun 2019 04:12:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=dsdPYxCU7srWVhLq1BGY9FbUyssnUN5o9xuGkke+PCw=; b=pZt1dlzCRiWkRS30GslqPfucc/vO1TQMsZjPHxyE6Kswkx0Ob8U7TDi8HSedaa20ElFjTq9vZvBir/CIfn9gZMQSErsiyNBMjrhcippdn7kWU+oEiBXiwXdHaEqK/o+vLbTEFaxHMfldr5iLM0eMBRJtU4p9Ay3HbBNCcvuYkVs= Received: from AM6PR04MB5207.eurprd04.prod.outlook.com (20.177.35.159) by AM6PR04MB4453.eurprd04.prod.outlook.com (20.176.242.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2008.17; Thu, 27 Jun 2019 08:12:21 +0000 Received: from AM6PR04MB5207.eurprd04.prod.outlook.com ([fe80::9c87:7753:43b9:6d4a]) by AM6PR04MB5207.eurprd04.prod.outlook.com ([fe80::9c87:7753:43b9:6d4a%4]) with mapi id 15.20.2008.014; Thu, 27 Jun 2019 08:12:21 +0000 From: Daniel Baluta To: "shawnguo@kernel.org" , "robh+dt@kernel.org" , "o.rempel@pengutronix.de" CC: "s.hauer@pengutronix.de" , "S.j. Wang" , "festevam@gmail.com" , dl-linux-imx , Aisheng Dong , Anson Huang , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "mark.rutland@arm.com" , "devicetree@vger.kernel.org" , Daniel Baluta Subject: [PATCH v2 2/2] dt-bindings: dsp: fsl: Add DSP IPC binding support Thread-Topic: [PATCH v2 2/2] dt-bindings: dsp: fsl: Add DSP IPC binding support Thread-Index: AQHVLMALhzY9Df127E6IyTklCWRQSg== Date: Thu, 27 Jun 2019 08:12:20 +0000 Message-ID: <20190627081205.22065-3-daniel.baluta@nxp.com> References: <20190627081205.22065-1-daniel.baluta@nxp.com> In-Reply-To: <20190627081205.22065-1-daniel.baluta@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: VI1PR0802CA0020.eurprd08.prod.outlook.com (2603:10a6:800:aa::30) To AM6PR04MB5207.eurprd04.prod.outlook.com (2603:10a6:20b:e::31) x-mailer: git-send-email 2.17.1 authentication-results: spf=none (sender IP is ) smtp.mailfrom=daniel.baluta@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [89.37.124.34] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: ef5f7e60-15ff-412d-ed94-08d6fad72d5e x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(4618075)(2017052603328)(7193020); SRVR:AM6PR04MB4453; x-ms-traffictypediagnostic: AM6PR04MB4453: x-ms-exchange-purlcount: 2 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:3513; x-forefront-prvs: 008184426E x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(376002)(346002)(396003)(39860400002)(136003)(366004)(199004)(189003)(966005)(2501003)(81156014)(25786009)(68736007)(256004)(186003)(14454004)(26005)(66066001)(476003)(99286004)(50226002)(6506007)(4326008)(8936002)(8676002)(81166006)(386003)(44832011)(102836004)(52116002)(305945005)(486006)(76176011)(446003)(3846002)(71190400001)(54906003)(53376002)(6306002)(71200400001)(7736002)(11346002)(6436002)(2616005)(478600001)(86362001)(316002)(53936002)(36756003)(5660300002)(1076003)(110136005)(66556008)(66476007)(64756008)(66946007)(73956011)(6486002)(2906002)(6116002)(66446008)(6512007); DIR:OUT; SFP:1101; SCL:1; SRVR:AM6PR04MB4453; H:AM6PR04MB5207.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 3tbO6/wDWf0lvpKRVEuDkUAi13vGSihk6hvcbmDCRVpgO+RUMuRfZvUK6JNAAqVgAa7x6j6NA+xjZRL7127JPnlNSpiE2mhUA/swZuSnQWZWf8FaEVNSygITVlS/CLALcuHeoj40eDln4LprBRUWI1vpXgQA+iUeh2ik4oH0K/oPQTUidpSvbldCV3wgnVNkDd2deQ+w9+EalEI8apw99MDdlhll4MQZo9+6SPma/7FFLJIPst+yQiMLyNBckHzSzD4PFBU54/xE2OxSBgt2C5RaKLQhr/zlQDhIkXUqdZovn2DFwBd/YLhcEKZymarfqL7u9UOG8xYwBs/oNRIZ2I116hrZGviO6/s62NlmbXXfM/Z/2g5D8vPsWF+MvdR5RyvuDiDi5riu/Gq+wM9isTAWjLx7TwaVnvK6i1/O2/o= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: ef5f7e60-15ff-412d-ed94-08d6fad72d5e X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Jun 2019 08:12:21.0739 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: daniel.baluta@nxp.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR04MB4453 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org DSP IPC is the layer that allows the Host CPU to communicate with DSP firmware. DSP is part of some i.MX8 boards (e.g i.MX8QM, i.MX8QXP) Signed-off-by: Daniel Baluta --- .../devicetree/bindings/dsp/fsl,dsp_ipc.yaml | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/dsp/fsl,dsp_ipc.yaml diff --git a/Documentation/devicetree/bindings/dsp/fsl,dsp_ipc.yaml b/Documentation/devicetree/bindings/dsp/fsl,dsp_ipc.yaml new file mode 100644 index 000000000000..1cbf5d25b258 --- /dev/null +++ b/Documentation/devicetree/bindings/dsp/fsl,dsp_ipc.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/freescale/fsl,dsp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX8 IPC DSP interface + +maintainers: + - Daniel Baluta + +description: | + IPC communication layer between Host CPU and DSP on NXP i.MX8 platforms + +properties: + compatible: + enum: + - fsl,imx8qxp-dsp + + mboxes: + description: + List of <&phandle type channel> - 2 channels for TXDB, 2 channels for RXDB + (see mailbox/fsl,mu.txt) + maxItems: 4 + + mbox-names: + items: + - const: txdb0 + - const: txdb1 + - const: rxdb0 + - const: rxdb1 + +required: + - compatible + - mboxes + - mbox-names + +examples: + - | + dsp_ipc { + compatbile = "fsl,imx8qxp-dsp"; + mbox-names = "txdb0", "txdb1", "rxdb0", "rxdb1"; + mboxes = <&lsio_mu13 2 0>, <&lsio_mu13 2 1>, <&lsio_mu13 3 0>, <&lsio_mu13 3 1>; + };