From patchwork Thu Oct 4 08:48:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yogesh Narayan Gaur X-Patchwork-Id: 978712 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="pYAS68dt"; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.b="WCn6sK4I"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42QmqQ0s9Zz9s7W for ; Thu, 4 Oct 2018 18:52:34 +1000 (AEST) 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:References:In-Reply-To: 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: List-Owner; bh=dV9DVH1H7HXxnFuRMwVWP9IosyS5MGwLxyILlFO8iCo=; b=pYAS68dtmBdkNK ZcNsKVWyEEwFbP4PsPbPSfX/03ckYNt3j+sL470UvjI7YOMdu8AG4GyIkIZqk+XJztXeCjCV1HBJI jKPWHZk5/eLUwYA9nhDT5djJe+R+byjT0rd/8q8FhxQ1yEmzLZKiv9wAepBMbvo3Ig40LTPnNfSkk qlSshmae0mgRXpe18LybBG7KqiJBjUMKgRd4Rr68lY3kB3AfKwpOtEpUzWxBMIy8LS1OdGL/BfqyB e7PinaCqZcm8WJxbyW5CRCrwycUxapTj6eTuwo/+wR/mha72yPLjL9cyQjnIl0DYPHBlYlwQDwB7M i0TGlB9OjpzHT4/RkL2A==; 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 1g7zMp-0003jI-5E; Thu, 04 Oct 2018 08:52:19 +0000 Received: from mail-eopbgr00045.outbound.protection.outlook.com ([40.107.0.45] helo=EUR02-AM5-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1g7zLQ-0002xa-Q9; Thu, 04 Oct 2018 08:51:05 +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=nQEcaeO393Qd9mbvgueJWC0CFxQBHTEkSU/fMAACmUQ=; b=WCn6sK4I/GTgDk5J4BzM3y0qhzIF8ONUsbhbo2p1Li7NHsDikwTs+8FOjprM+GKRpzSoAHZaO0VAZebGLpnq0JiNRr78aEDPif30lW3cWxyyLlcNdcVlC19F572Mh1bS+2MzWzYWarj6BnGuqbwiGkHNQQV4yqwv1QrbM24ZevM= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=yogeshnarayan.gaur@nxp.com; Received: from idcbfarm.ap.freescale.net (14.143.30.134) by AM2PR04MB1025.eurprd04.prod.outlook.com (2a01:111:e400:8442::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1185.25; Thu, 4 Oct 2018 08:50:29 +0000 From: Yogesh Gaur To: linux-mtd@lists.infradead.org, boris.brezillon@bootlin.com, marek.vasut@gmail.com, vigneshr@ti.com, linux-spi@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 1/4] spi: add support for octal I/O data transfer Date: Thu, 4 Oct 2018 14:18:37 +0530 Message-Id: <1538642920-3843-2-git-send-email-yogeshnarayan.gaur@nxp.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1538642920-3843-1-git-send-email-yogeshnarayan.gaur@nxp.com> References: <1538642920-3843-1-git-send-email-yogeshnarayan.gaur@nxp.com> MIME-Version: 1.0 X-Originating-IP: [14.143.30.134] X-ClientProxiedBy: SG2PR06CA0156.apcprd06.prod.outlook.com (2603:1096:1:1f::34) To AM2PR04MB1025.eurprd04.prod.outlook.com (2a01:111:e400:8442::11) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 19123110-63d9-4cf4-80de-08d629d671f6 X-MS-Office365-Filtering-HT: Tenant X-Microsoft-Antispam: BCL:0; PCL:0; RULEID:(7020095)(4652040)(8989299)(4534185)(7168020)(4627221)(201703031133081)(201702281549075)(8990200)(5600074)(711020)(4618075)(2017052603328)(7153060)(7193020); SRVR:AM2PR04MB1025; X-Microsoft-Exchange-Diagnostics: 1; AM2PR04MB1025; 3:zQHAKYLxmhFc88mN+ewTQVrAvv+3ATR62mt4HhXG1Ry14BREzg4PumGQneK+MlMNFaGWPVCfkphcxE5ME+rELfCnC6xP0yHS6ZdQtMth2yHijM8b2yusxxAXziU+w8iewWA9t6eoEBmAXA8QiNlzBqXFe3cYxRgivJXTbwd4RKzKuWnUtl+ugXDliYGLdAZIvbm2CBe6zN8jojCu8O2C+iBrt87U+yzIljo5pa9Zd9Vy5NKfFRCTIRXZFbK6evR1; 25:aDb4IpRc7e9cLLbn+NtydcfQ5tTBTefKjcw7f8D1g86dv5KpMDWLMmkr19GQk75J5tXTpkNOTglSH0xiBdL7QTuiGQG8nopU35y0S+CIWa2e/k+GAe8cipg5KwqjVnw7B/6ipXLhoIa4mlzrtE8By5vROKI818yABQlXrO+C6E4wuOT3wr4hjMNgxcWaEFY+tL+ndHDz2C071oBhjSIy/0qvEh3ntISJBJ+7GebVhq7b+DACxbz7iYJn4yU3bJCs7/XL7vD3Kht6SogDuOkQiz8kdYkcPJ8x91+t1pZvev3RKboR6IJ4zBksx12gjRLAQSWoVOFNyUP9jyzJZeTzmQ==; 31:4lTfAivd9kDtM0caH6x2g8tqQkDQsgwcEoPeYWAHGJnwRL/IXqM6lUqrgICHCzs/YjVs4fFmsmvy8fVnCrhmismsR9gpqJplZ9505gwPSdwExw7avmUW+lwuXps+8/Q+2Eadpi/cyGD4aHxTqm45jsu3YGvCL62FnFBjC45OJcjiCeUsneec/GKptoRApCCLVpZEwwQLV6LYfUBz3OAw3rlNxvXOQWKjeaC9UMlnBRg= X-MS-TrafficTypeDiagnostic: AM2PR04MB1025: X-Microsoft-Exchange-Diagnostics: 1; AM2PR04MB1025; 20: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; 4:7wETs4MOk+F9fkuvQYHjwGAo2wooikmFkaKLOsW0Og19mYRi4noN2P9yPDlNYeg9hn3mZ+zmfPSsismOBbgeSdoHkqltvHPbl+S+CbEWQp0Vdp1BzVgbfvqB1USKOV66tfmiKUfNx6OHGf5HdtmeJAm5TY5TiF1jx7/be30s9vQx1L8oAPJA79Zm9BSJR/lA3cwClZPOAZCEI5C5dPpPicXXAcl5ingMH7/kau0fnEHtNSkQcHyTnDlNY7O00jA1t/dM1q7vPNt3M8Q7WmT/s0MLkS0OzkowiRTmmXEXlbGapykPW9CsjJzEBn/Kzz1o X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:(185117386973197); X-MS-Exchange-SenderADCheck: 1 X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(8211001083)(6040522)(2401047)(5005006)(8121501046)(10201501046)(93006095)(93001095)(3002001)(3231355)(944501410)(52105095)(6055026)(149066)(150057)(6041310)(20161123558120)(20161123560045)(20161123562045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123564045)(201708071742011)(7699051); SRVR:AM2PR04MB1025; BCL:0; PCL:0; RULEID:; SRVR:AM2PR04MB1025; X-Forefront-PRVS: 0815F8251E X-Forefront-Antispam-Report: SFV:NSPM; SFS:(10009020)(366004)(39860400002)(396003)(136003)(346002)(376002)(189003)(199004)(6512007)(8676002)(3846002)(6116002)(7416002)(476003)(11346002)(2616005)(956004)(446003)(66066001)(386003)(52116002)(16586007)(51416003)(6506007)(81156014)(81166006)(6486002)(486006)(68736007)(8936002)(316002)(106356001)(105586002)(25786009)(26005)(48376002)(7736002)(76176011)(2906002)(50466002)(186003)(16526019)(478600001)(53936002)(47776003)(50226002)(97736004)(36756003)(305945005)(6666003)(5009440100003)(39060400002)(55236004)(4326008)(86362001)(5660300001)(110426005); DIR:OUT; SFP:1101; SCL:1; SRVR:AM2PR04MB1025; H:idcbfarm.ap.freescale.net; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; Received-SPF: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) X-Microsoft-Exchange-Diagnostics: =?us-ascii?Q?1; AM2PR04MB1025; 23:4AQ7UHAeNUay0EXPVC9E/AyKOFOY2JoS4w3Z0RDLF?= 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 X-Microsoft-Antispam-Message-Info: JDIVgw9tC3rvxwUyvZSOWDvuYTT66MxgcoW+jskZZ2YGNktaeM38IWshQ+GTSrXdR9hsat4O5ood+hgBjS0gwUtujEo3uAcnPWbKfBSuQzy9Duvem1RnD/Hrb5hebNb2/pTIs5LV7JS7dqMil6RG+tKU1qjWn270g6t1C85dUyGZIMcueCBFHNXTGnsUR61CoPf2t9MuOr03GZ41v5q55IXFbRtHSxgtwGQtDiRzkpjWRi4pDP+ZiMCIJDxmaZ9oRDdQU1fpuDqBkwY1FuKNEdLzOIdQ2t/t4yIERZFG+6wGgjN3voSF7PzV4wNq3BQz/zwO7/qlTdbbap2pHhYl3xLtKZctqlWhuTLfgVwzQQM= X-Microsoft-Exchange-Diagnostics: 1; AM2PR04MB1025; 6:GK+5rKus95UqtSRXjO4WQFvNPH9t9Wkt13QicLXjvjP0bgccJmOKeDNVCr8ajwizf7qJ5PSf4OEgy0f5ZgDdEcBH8hIIbMizYd1O3VX2wjS+d4O8gy/iY+4sPti2t5ZPPZz1lP6kMJ3VjmFjRb7xOqlen1ZhvahxKicm9cwdI87Ki2YtBlEld+gX0A9XJqf7uZ/1+aB67Dt3E6qbQZBikIuXCNU1Y/oE3vLqCN0FWmnNkDDFXJtkOhbvovOm9Y12sMTMjRwHXdynaYoaJC9vzOKLC+T6Ec0rKD1/5yTLhsHZAbJ133zICT9k9jdQrB1tTuK4UKn5M3l2OLGLbF6yQOKP2VHBPHMloJGge9Pd3pT29FcxRenCa96D0C338l2ZnnQSyrieg6z30NTeDvP0+g3OpS4pdim3YJaOXgnbHtIjyteebWPrD+lxywj80f8JsEkfvYNVOo+BZC0Lxl66Xw==; 5:twMGnmsCa9zCQidB2kLuckocUTGyUgd53uxvm6CVPtIqrTnDbUt+h2y/buOgP6JX5mh+mNZDgoBvPAznyu2djweWWREYWkZV/2uQi10BdRK+UOCj4S/aRfBIAbILV4nX6zKvpO1vBWY2fJytGslpn4SXVA5uGd2uN2WyDE3gUfM=; 7:lCPiiO59YbKU8a32t4kiJ3WvTR6UhIkw4bsW8rdLRdpXRK7g7lRhnkKjdP1QwY9OAGV9UuQPcpif5I0KbCFZ+8XqeCoeK3t4DjpIuJ54Aa90xkqjeZs5yrhFZKZVXKFsVP+kJ2LcXwmV8Ci71t4nWtUCnqjE4gMdDuWLaDof7XUOyGU9QtJS8jdaQDVOVEiCivZMrQ9ec4GunYGvBfuRF1Ip1YI7NudyQB7qQmt1CrDI2IqbxrrngkFFNbEd8hQn SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Oct 2018 08:50:29.0673 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 19123110-63d9-4cf4-80de-08d629d671f6 X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM2PR04MB1025 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181004_015052_884017_8556AF49 X-CRM114-Status: GOOD ( 10.97 ) X-Spam-Score: -0.1 (/) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-0.1 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [40.107.0.45 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, robh@kernel.org, Yogesh Gaur , linux-kernel@vger.kernel.org, frieder.schrempf@exceet.de, computersforpeace@gmail.com, shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Add flags for Octal I/O data transfer Required for the SPI controller which can do the data transfer (TX/RX) on 8 data lines e.g. NXP FlexSPI controller. SPI_TX_OCTAL: transmit with 8 wires SPI_RX_OCTAL: receive with 8 wires Signed-off-by: Yogesh Gaur --- drivers/spi/spi.c | 6 ++++++ include/linux/spi/spi.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index ec395a6..80f672f 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1573,6 +1573,9 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi, case 4: spi->mode |= SPI_TX_QUAD; break; + case 8: + spi->mode |= SPI_TX_OCTAL; + break; default: dev_warn(&ctlr->dev, "spi-tx-bus-width %d not supported\n", @@ -1591,6 +1594,9 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi, case 4: spi->mode |= SPI_RX_QUAD; break; + case 8: + spi->mode |= SPI_RX_OCTAL; + break; default: dev_warn(&ctlr->dev, "spi-rx-bus-width %d not supported\n", diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index a64235e..2d21307 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -163,6 +163,8 @@ struct spi_device { #define SPI_TX_QUAD 0x200 /* transmit with 4 wires */ #define SPI_RX_DUAL 0x400 /* receive with 2 wires */ #define SPI_RX_QUAD 0x800 /* receive with 4 wires */ +#define SPI_TX_OCTAL 0x1000 /* transmit with 8 wires */ +#define SPI_RX_OCTAL 0x2000 /* receive with 8 wires */ int irq; void *controller_state; void *controller_data;