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=-2.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 016DDC04EB9 for ; Mon, 3 Dec 2018 08:39:34 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C62502081C for ; Mon, 3 Dec 2018 08:39:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="uCIxMVVn"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="tFeXSkls" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C62502081C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=JlxIeDfe/aGVn6mjj/E7KQt2yaqeP/V3qCh9AiiNcpE=; b=uCIxMVVnnUpG0c zmZjz4ljX9za4SUu8s6T2sh7g8fnFjrIy1P/3ZFMhJJF+mKLkZ+jQLXDeWwczPPfR0PyWfXnxH3YE uDg3SENzIAupXlJ5lxqle6u1DUfcyJn2bdIbAcaseBzJu49azWHpsk2MyDr6zIyzHFyerv0G5B5fY UsVtrN7RLP6X6vMWLDyUy6/rpHeB/hoOr/RM49g+OgQHRMMA6Ym6O6n+f+/ZVOuFsyvlb5UFbnj5C L1lNSrf88A5f+HhWgFeUUuJtVA0eQ6RpAVYRz+Fg/J3snwOS4gIkKkwzHyV2CxZkTPMtFjiLABOzC 85hHoOQVDs6W7ayJ19bw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gTjlJ-0004Zq-Qj; Mon, 03 Dec 2018 08:39:29 +0000 Received: from mail-eopbgr40045.outbound.protection.outlook.com ([40.107.4.45] helo=EUR03-DB5-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gTjl5-0004NR-HF; Mon, 03 Dec 2018 08:39:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=DiscYK5w4iJwkmdrOmVBJF9XsGNqb92YVEsusnmSOv4=; b=tFeXSklsTHWHMqsohcoZDmOTe5TtNBDuiN2CeH+BoZnTplrvRz1A/28jq0XoKuXTdwbJz/kJ5+jX8+A6P6T3h7rRQit+gg4OVmiDlIweZUI24//MWMcB7gGmJxtCpmcFTsxd34GDWBGBtX0a3U461Aa8ulDdGwI96csSHFJYQvs= Received: from VI1PR04MB5726.eurprd04.prod.outlook.com (20.178.127.24) by VI1PR04MB4718.eurprd04.prod.outlook.com (20.177.48.159) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1382.22; Mon, 3 Dec 2018 08:39:00 +0000 Received: from VI1PR04MB5726.eurprd04.prod.outlook.com ([fe80::595a:9890:8397:5d51]) by VI1PR04MB5726.eurprd04.prod.outlook.com ([fe80::595a:9890:8397:5d51%4]) with mapi id 15.20.1382.020; Mon, 3 Dec 2018 08:39:00 +0000 From: Yogesh Narayan Gaur To: "linux-mtd@lists.infradead.org" , "boris.brezillon@bootlin.com" , "broonie@kernel.org" , "marek.vasut@gmail.com" , "vigneshr@ti.com" , "linux-spi@vger.kernel.org" , "devicetree@vger.kernel.org" Subject: [PATCH v5 0/7] spi: add support for octal mode Thread-Topic: [PATCH v5 0/7] spi: add support for octal mode Thread-Index: AQHUiuOjeSgB/5zRPUqi536teiWNPA== Date: Mon, 3 Dec 2018 08:39:00 +0000 Message-ID: <1543826226-30898-1-git-send-email-yogeshnarayan.gaur@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SG2PR04CA0143.apcprd04.prod.outlook.com (2603:1096:3:16::27) To VI1PR04MB5726.eurprd04.prod.outlook.com (2603:10a6:803:e4::24) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yogeshnarayan.gaur@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [14.143.30.134] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; VI1PR04MB4718; 6:gCilAnZ9PJcZ9g7HN5N+0WbphrR1hT3R84tkdzTdXFGc1hsaVWh9WfrAn6A+MLOawTO/SDPuyXX7Vz6BoGo8O3oL3EqRncuD6EeuAlG/A30ovkdcTZM0WhDrJp509fJQyhsk1fLl5SluqzAA4Vq6Xl2oc5zMrtQ4XOgurvsZ+g+WPyG6c6plSf1mVXFpO4GpgJmO49Dkz+KEOIs8SHcCBLtRScoP5LQ8HXTP3CBKm0BF3UJn0ypbyx3W1S7OyGEwQUqMya4ApKl2c/od61F9KgkDVHMqUsr6aHgp3ogbMJCjfvZ0TVwcNP/fcbNOgyTv8oh2yx/LuboRIItSAdUiyzuCmK3t2euqdMqSZ7COlo7VUQe8hiF2qVF9lLaDhAO4rQpBykaej2ZaIT/z1qdNeDweyZaJmp89fMciMt/R2ZCp4kUO5F/JEGeR/KiIQCW3kEmTaUoRgLHxO6bDhIkLLA==; 5:X8OoObgnkqUosnA4POEPWy53gWNfFvmPaqZMnV1qAe04P+IwOVQIqe8s5YVDw62c2LRsYyLZonuX1s2AVdboxmqmNJNspONPI6yI0IZS8RvnzWfVNG//T1b2A1Fn41/ZuTEhWpJSeiDOilzHXBeNOVraxy0b0jwdCO44+mmjA0s=; 7:DLr30goRMgozu54zEdpyUuem2VTzHbywMmjuRWw28B495KfKTiB/V0jZPYQ2ZS0Ahb/CatgWQv/dGgoFVuESBGvH34yfzjX9PgBJcc2mzAfNkM1omwP1GIrfstsBZxlJiunYDe/kEpIZacTj8+oR9A== x-ms-office365-filtering-correlation-id: b61a3a52-c4db-4ab3-0b01-08d658fac583 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390098)(7020095)(4652040)(8989299)(5600074)(711020)(4618075)(4534185)(7168020)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7153060)(7193020); SRVR:VI1PR04MB4718; x-ms-traffictypediagnostic: VI1PR04MB4718: x-microsoft-antispam-prvs: x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(8211001083)(6040522)(2401047)(8121501046)(5005006)(93006095)(93001095)(3231455)(999002)(944501493)(52105112)(3002001)(10201501046)(6055026)(148016)(149066)(150057)(6041310)(20161123562045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123564045)(20161123560045)(20161123558120)(201708071742011)(7699051)(76991095); SRVR:VI1PR04MB4718; BCL:0; PCL:0; RULEID:; SRVR:VI1PR04MB4718; x-forefront-prvs: 08756AC3C8 x-forefront-antispam-report: SFV:NSPM; SFS:(10009020)(346002)(376002)(396003)(136003)(366004)(39860400002)(199004)(189003)(7736002)(99286004)(6486002)(305945005)(6306002)(6512007)(6506007)(53936002)(66066001)(386003)(105586002)(106356001)(68736007)(256004)(71190400001)(71200400001)(5660300001)(110136005)(55236004)(14444005)(54906003)(7416002)(14454004)(86362001)(478600001)(6116002)(3846002)(966005)(25786009)(186003)(2201001)(2501003)(97736004)(2906002)(81156014)(81166006)(6436002)(8676002)(4326008)(486006)(78486014)(36756003)(102836004)(52116002)(26005)(39060400002)(2616005)(8936002)(316002)(476003); DIR:OUT; SFP:1101; SCL:1; SRVR:VI1PR04MB4718; H:VI1PR04MB5726.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-microsoft-antispam-message-info: 8PWkg90hBL2XILyrvQ1IXgpz1XvUw/nxUS/6sSRxIiXpmDWebiGUO69peK4KpB04iyhE4Bzs0kJDWmtwLk5zhd3dYg5oUFy+YcNAfBX0ZJYHlFPKJncXJSJOfaOz0MWlVNiOlUiS2nw/vD/rE108UuAaLYnsR6f6GcGb4HIOKM+orZ0hPhNw6vUN7ksZPn0NNoCu8XlSnj0Yl/HtOTGn1vVDcKyzS2F1wCDr/LLl9duSYLXsAlrFSxcZjpDzu+qvePyAoGWjMfLVLmG4liAc7qVFo92+XF4ADfGIMQguknIUA2ZSUyZfKF195ir4eSulR6SXd5x/mkF7aii98dl26udl5oNDsaCI++Jd7wrjh/w= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: b61a3a52-c4db-4ab3-0b01-08d658fac583 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Dec 2018 08:39:00.4105 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB4718 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181203_003915_568876_B2FBEDC8 X-CRM114-Status: GOOD ( 11.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "mark.rutland@arm.com" , "robh@kernel.org" , Yogesh Narayan Gaur , "linux-kernel@vger.kernel.org" , "frieder.schrempf@exceet.de" , "computersforpeace@gmail.com" , "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for octal mode IO data transfer. Micron flash, mt35xu512aba, supports octal mode data transfer and NXP FlexSPI controller supports 8 data lines for data transfer (Rx/Tx). Patch series * Add support for octal mode flags and parsing of same in spi driver. * Add parsing logic for spi-mem framework and m25p80.c device file. * Add opcodes for octal I/O commands in spi-nor framework, Read and Write proto for (1-1-8/1-8-8) mode. Opcodes are added as per octal data IO commands required for mt35xu512aba [1] flash. * Add mode bit required for octal mode in nxp-fspi driver [2]. * Define binding property 'spi-rx/tx-bus-width' for LX2160ARDB target [2]. Tested on LX2160ARDB target with nxp-fspi driver, below are Read performance number of 1-1-1 and 1-1-8 read protocol. root@lxxx:~# cat /proc/mtd dev: size erasesize name mtd0: 04000000 00001000 "spi0.0" mtd1: 04000000 00001000 "spi0.1" root@lxxx:~# time mtd_debug read /dev/mtd0 0x0 0x1000000 0read Copied 16777216 bytes from address 0x00000000 in flash to 0read real 0m2.792s user 0m0.000s sys 0m2.790s root@lxxx:~# time mtd_debug read /dev/mtd1 0x0 0x1000000 0read Copied 16777216 bytes from address 0x00000000 in flash to 0read real 0m0.441s user 0m0.000s sys 0m0.440s root@ls1012ardb:~# Flash device MTD0 configured in 1-1-1 protocol. Flash device MTD1 configured in 1-1-8 protocol. [1] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=70384&state=* [2] https://patchwork.ozlabs.org/project/linux-mtd/list/?series=76402 Yogesh Gaur (7): spi: add support for octal mode I/O data transfer spi: spi-mem: add support for octal mode I/O data transfer mtd: spi-nor: add opcodes for octal Read/Write commands mtd: spi-nor: add octal read flag for flash mt35xu512aba mtd: m25p80: add support of octal mode I/O transfer spi: nxp-fspi: add octal mode flag bit for octal support arm64: dts: lx2160a: update fspi node Changes for v5: - Modified string 'octo' as 'octal' in all patches. Changes for v4: - Rebase on top of v4.20-rc2. - Modify octo entries enum value in spi.h. Changes for v3: - Add octo mode support in spi_setup(). - Rename all patches with 'octal' string modified as 'octo'. Changes for v2: - Incorporated review comments of Boris and Vignesh. drivers/mtd/devices/m25p80.c | 9 ++++++++- drivers/mtd/spi-nor/spi-nor.c | 19 ++++++++++++++++--- drivers/spi/spi-mem.c | 9 ++++++++- drivers/spi/spi-nxp-fspi.c | 4 ++-- drivers/spi/spi.c | 12 ++++++++++-- include/linux/mtd/spi-nor.h | 8 ++++++++ include/linux/spi/spi.h | 4 +++- 8 files changed, 59 insertions(+), 10 deletions(-) -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel