From patchwork Tue Oct 23 08:56:53 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: 10652807 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 182B813BF for ; Tue, 23 Oct 2018 08:57:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 08E272884F for ; Tue, 23 Oct 2018 08:57:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F10CD28DA6; Tue, 23 Oct 2018 08:57:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8126C2884F for ; Tue, 23 Oct 2018 08:57:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728355AbeJWRTc (ORCPT ); Tue, 23 Oct 2018 13:19:32 -0400 Received: from mail-eopbgr40076.outbound.protection.outlook.com ([40.107.4.76]:59456 "EHLO EUR03-DB5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728331AbeJWRTb (ORCPT ); Tue, 23 Oct 2018 13:19:31 -0400 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=YkdDdalyCbajzTiDmMxlr1h63JhhOHvONUhbyipS2JU=; b=utNpO6ouy/pG9Vblubr5yzjNC5JlzebVmnQZ+ry2aIORt8p+6N+4CeYTxPsr+H60e3iQ/IT09h8ki7N4vVbJq2oSERqMQk0YzgKyQgFSrTHnxHNWVhR7rxUMZkETOqVdR3eaBBuHTfDkXU8WvMH0WTA4N4ac8BWKN7fQiE9C5Zo= Received: from VI1PR04MB1038.eurprd04.prod.outlook.com (10.161.109.144) by VI1PR04MB4367.eurprd04.prod.outlook.com (52.134.123.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1250.30; Tue, 23 Oct 2018 08:56:53 +0000 Received: from VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123]) by VI1PR04MB1038.eurprd04.prod.outlook.com ([fe80::d887:3c96:479a:4123%3]) with mapi id 15.20.1228.032; Tue, 23 Oct 2018 08:56:53 +0000 From: Yogesh Narayan Gaur To: "linux-mtd@lists.infradead.org" , "boris.brezillon@bootlin.com" , "marek.vasut@gmail.com" , "broonie@kernel.org" , "linux-spi@vger.kernel.org" , "devicetree@vger.kernel.org" CC: "robh@kernel.org" , "mark.rutland@arm.com" , "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "computersforpeace@gmail.com" , "frieder.schrempf@exceet.de" , "linux-kernel@vger.kernel.org" , Yogesh Narayan Gaur Subject: [PATCH RESEND v4 2/5] dt-bindings: spi: add binding file for NXP FlexSPI controller Thread-Topic: [PATCH RESEND v4 2/5] dt-bindings: spi: add binding file for NXP FlexSPI controller Thread-Index: AQHUaq5XJQuy5qHcUEiJP666T9Ihfg== Date: Tue, 23 Oct 2018 08:56:53 +0000 Message-ID: <1540284888-32307-3-git-send-email-yogeshnarayan.gaur@nxp.com> References: <1540284888-32307-1-git-send-email-yogeshnarayan.gaur@nxp.com> In-Reply-To: <1540284888-32307-1-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: SG2PR0601CA0008.apcprd06.prod.outlook.com (2603:1096:3::18) To VI1PR04MB1038.eurprd04.prod.outlook.com (2a01:111:e400:5092::16) 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;VI1PR04MB4367;6:wfe+OzNZDU8KOWKbrFgAxyFKErJuC06SHXBWqcLbp8NN4pGAGwDTe3cN6rMsjMvleTJFEE14HNh26fu7l6nPM9pfOr0nCMxDCRpjf+LA2hyG1p80K29CbrgBLsUgsI78qsvAbOAWUgzjkn9UN27NXsRdON518LOQGIeGWZryAtFNC/lhtR9RzosifS2QA/whJhoOc5ehbrPFruVake13YfC8BLMB2y8YoiNot3DhTVhmL5fJwkaA9XFWvoY8k6OdAGSWkQ8Q3V50rZLnham13DTxH1jJBFXTOxriLgq0eAYVqyojr6OzkM9TVqWwebonvwfRKd9U6cwCKzGOjnnmCLVgRNsoLe74NMld7LSFaCaeY4jZRbr0UJN4JFxFPvDk+XPM8fncdqQgfrQqk0hoGJ7D45P6jYt9CTWXQhT8WirEuPtx/DoZK9AJ0eypRDia79AEvNmcA2P+HLMJIYRfcQ==;5:RfJETBk6lo7QDFApYNHu5u6bogUM1xJ4AF5OgLoAMLHvxln8zUMfaEDbeSl91A1e/5UjHxfX+AZqTdkif00mgGvxXsHDXoLJZ5/UInwKKdQ4oJtP7yvFsaVMQFoWiwjtyq60Nh8teQI8icm6cy0JRAwjTP6uaFKPG6VMoM+Of5c=;7:PedQILQX+hPFfDgrf08gq5bms90pAliaZH8RyNVUxcmClhQL1WRP7rprrAx2oi7uA7UidL1iJUjQROrNGWxvmkzoFl0tp/1yi1LhntsLvPZk3wPcqGQ87gjz/JyWLCdxIAAg0cRdMGpFYCk7peMrZPx+Hc3dL7aQvMNI2j3AiDjfc9R5AZN1bZLBzsSb4gjesXVjqRtkoN6WVJwSkGnfdpLyf0T3cu7YUksC18ESPsOftvEdV5ziVzcgVc4mrqUQ x-ms-office365-filtering-correlation-id: b5997c25-d4b4-4070-1dbb-08d638c579f3 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:VI1PR04MB4367; x-ms-traffictypediagnostic: VI1PR04MB4367: 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)(8121501046)(5005006)(93006095)(93001095)(3231355)(944501410)(52105095)(10201501046)(3002001)(6055026)(148016)(149066)(150057)(6041310)(20161123562045)(20161123558120)(20161123560045)(20161123564045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(201708071742011)(7699051)(76991095);SRVR:VI1PR04MB4367;BCL:0;PCL:0;RULEID:;SRVR:VI1PR04MB4367; x-forefront-prvs: 0834BAF534 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(366004)(39860400002)(136003)(376002)(396003)(346002)(189003)(199004)(5250100002)(6512007)(2900100001)(486006)(97736004)(105586002)(476003)(2616005)(7416002)(11346002)(25786009)(316002)(53936002)(446003)(4326008)(99286004)(26005)(106356001)(6506007)(2201001)(5660300001)(386003)(6436002)(256004)(86362001)(81156014)(478600001)(102836004)(36756003)(39060400002)(6486002)(8676002)(55236004)(81166006)(7736002)(71200400001)(71190400001)(76176011)(66066001)(52116002)(2906002)(68736007)(8936002)(305945005)(186003)(3846002)(217873002)(54906003)(6116002)(110136005)(2501003)(14454004);DIR:OUT;SFP:1101;SCL:1;SRVR:VI1PR04MB4367;H:VI1PR04MB1038.eurprd04.prod.outlook.com;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-antispam-message-info: 9GCVRjQrSVQo1iU+CmCWzRl4Xr2RtmaVeXZrt09rSlybyJuqJJuAgXKKzeF72of7YDg6Sn2hhCEpswQlTFjhJ5jT5nqgP/pnY2Oxatg5lOiRKc9wULp1qEZYa9Ki6L4kCmz0eS7DCV5RB/s9txQj7aygcXdzwH808qP2uL93Wt9PVH2tnxWrep+ZK4dkhybUcHJo65dis76DyUv6JFsn4eXWKDhBWshORZHg9yR+e+P9WA7LpU+Gn+rr3v1ADi/3/VUl+6NarVj4b4rPrU+pmXIX0Tfdk7ToQX3mZ1+u07b9ci0KzvqAhoLb4xrbB/urM3X57XyW/dqT54lLiCU1siXqnfLic8KKcBongwEgW1A= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: b5997c25-d4b4-4070-1dbb-08d638c579f3 X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Oct 2018 08:56:53.2948 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB4367 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add binding file for NXP FlexSPI controller Signed-off-by: Yogesh Gaur Reviewed-by: Rob Herring --- Changes for v4: - Incorporated Rob review comments. Changes for v3: - Removed node property 'big-endian'. Changes for v2: - Incorporated Rob review comments. .../devicetree/bindings/spi/spi-nxp-fspi.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt diff --git a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt new file mode 100644 index 0000000..2cd67eb --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt @@ -0,0 +1,39 @@ +* NXP Flex Serial Peripheral Interface (FSPI) + +Required properties: + - compatible : Should be "nxp,lx2160a-fspi" + - reg : First contains the register location and length, + Second contains the memory mapping address and length + - reg-names : Should contain the resource reg names: + - fspi_base: configuration register address space + - fspi_mmap: memory mapped address space + - interrupts : Should contain the interrupt for the device + +Required SPI slave node properties: + - reg : There are two buses (A and B) with two chip selects each. + This encodes to which bus and CS the flash is connected: + - <0>: Bus A, CS 0 + - <1>: Bus A, CS 1 + - <2>: Bus B, CS 0 + - <3>: Bus B, CS 1 + +Example showing the usage of two SPI NOR slave devices on bus A: + +fspi0: spi@20c0000 { + compatible = "nxp,lx2160a-fspi"; + reg = <0x0 0x20c0000 0x0 0x10000>, <0x0 0x20000000 0x0 0x10000000>; + reg-names = "fspi_base", "fspi_mmap"; + interrupts = <0 25 0x4>; /* Level high type */ + clocks = <&clockgen 4 3>, <&clockgen 4 3>; + clock-names = "fspi_en", "fspi"; + + mt35xu512aba0: flash@0 { + reg = <0>; + .... + }; + + mt35xu512aba1: flash@1 { + reg = <1>; + .... + }; +};