From patchwork Fri Apr 16 13:45:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomas Melin X-Patchwork-Id: 12207761 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 F02E8C43460 for ; Fri, 16 Apr 2021 13:46:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C44FC6137D for ; Fri, 16 Apr 2021 13:46:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244187AbhDPNrC (ORCPT ); Fri, 16 Apr 2021 09:47:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244143AbhDPNrB (ORCPT ); Fri, 16 Apr 2021 09:47:01 -0400 Received: from EUR01-HE1-obe.outbound.protection.outlook.com (mail-he1eur01on060a.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe1e::60a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A131C06175F; Fri, 16 Apr 2021 06:46:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=jNCE5qukEWAYNsmuy5MEdc12APzp+4qgIhqPcLxGajdBTE4Mmbl6Q/lQ0+ZfiF12OV2sv3ivFzB4RY/ZUtfVSfcjfwDbuy0S4pdXH70suqV/7IYjQHFoHMsqgnGqj90bCKyq9oTbKAnX8wsgokrGPa2fU8uH//c7dPE8MvX8DpWZclom8rcRKROD5FCXGjOxiKk9rdxkA+RJlslb9R9OdP/UYm69g2dxANawvxvbN9S6vBILKP6htJct6GvnFsC/bIusRv2ZKMepL56S4dkrH/9RGiIlphdORJ1hqPI+m2heYmFlwAplgKksuu75gmbh02912N4pwTyQrb6wfCNFtw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=zTqYet08AnsFLEClw/ZSUfqPzh3OzYDkXNOVm2HKYG0=; b=WjgY2CwP61dEtG/OeA9FrcfXSLkwa7Ccc4cFnp7qtgQYeiS5H+alzNdJM0WTmNORXyDk8kj0rEOOPDTqexpCcpdIV4Bg3rQfHe0dAayNc1U52Rf1Z4sKyhs6R3ZUxrxNYWX/IQ67rMW0BIe3pFDNJ74kxatUKqAeRAz46JmqplvenhVBZFMenuH/8XFn83akABJJi+mcq4Tocb2l0bSoX0QUK67SjpnWbpkq5j6idd76oL/v94OtgEnPyJAN3uzsC8yC8oZpeNPGHSZmJQbhPUEE1eqq3LcLKGgx5gB794Zz862NOHlXMkQlGa5nqe7i1iHMURyMQ9KRuSA3gp7lbw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=vaisala.com; dmarc=pass action=none header.from=vaisala.com; dkim=pass header.d=vaisala.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vaisala.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=zTqYet08AnsFLEClw/ZSUfqPzh3OzYDkXNOVm2HKYG0=; b=VTYaf9oBK7+sbjTyNeXjMcdInr7+0wMFQLzIawgAx6aeiWDRWvy9AQvS5ZkQsYSojum5hb9kHNS+H72qVE2z2iRu0zPH5UWr4NG21ae+WIYixe3Rd2KoWi4o0lxOv2zvo5XrpHDXdnEliXcZQpMJR2Z6rxeHwLp4uFBGxg12caB4h9b37Z0wkZ9Sd//KRA23t1xinU6Um2UnsQzc/3zPrpOAI0Qr8zcVJ3DssXrmu6nC0O3obXqx+AtNm5qZQXg2x7NrMX8JX84SZ9BNFCccBCzYSMb6jWAUO9fQlFKjWp8qb+zvGp9K92pMzkRu8vdUUUEUpbdycY2Me6CvsSAu3w== Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=vaisala.com; Received: from VI1PR0602MB3568.eurprd06.prod.outlook.com (2603:10a6:803:10::31) by VI1PR06MB5568.eurprd06.prod.outlook.com (2603:10a6:803:da::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4042.18; Fri, 16 Apr 2021 13:46:32 +0000 Received: from VI1PR0602MB3568.eurprd06.prod.outlook.com ([fe80::c471:1848:5f45:95a4]) by VI1PR0602MB3568.eurprd06.prod.outlook.com ([fe80::c471:1848:5f45:95a4%7]) with mapi id 15.20.4042.016; Fri, 16 Apr 2021 13:46:32 +0000 From: Tomas Melin To: jic23@kernel.org, devicetree@vger.kernel.org Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Tomas Melin Subject: [PATCH v2 1/2] dt-bindings: iio: accel: Add SCA3300 documentation Date: Fri, 16 Apr 2021 16:45:45 +0300 Message-Id: <20210416134546.38475-2-tomas.melin@vaisala.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20210416134546.38475-1-tomas.melin@vaisala.com> References: <20210416134546.38475-1-tomas.melin@vaisala.com> X-Originating-IP: [85.156.166.106] X-ClientProxiedBy: HE1PR05CA0269.eurprd05.prod.outlook.com (2603:10a6:3:fc::21) To VI1PR0602MB3568.eurprd06.prod.outlook.com (2603:10a6:803:10::31) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from fedora-vm.localdomain (85.156.166.106) by HE1PR05CA0269.eurprd05.prod.outlook.com (2603:10a6:3:fc::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4020.16 via Frontend Transport; Fri, 16 Apr 2021 13:46:32 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8492fce6-db45-41cc-04a1-08d900de0b88 X-MS-TrafficTypeDiagnostic: VI1PR06MB5568: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1079; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VI1PR0602MB3568.eurprd06.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(346002)(136003)(396003)(39850400004)(376002)(366004)(5660300002)(6486002)(66946007)(186003)(66476007)(956004)(66556008)(316002)(86362001)(6506007)(36756003)(6666004)(107886003)(1076003)(38100700002)(38350700002)(16526019)(478600001)(52116002)(8936002)(2906002)(966005)(26005)(44832011)(8676002)(2616005)(6512007)(4326008);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: WNaEviIdCp1MI1WQ3EZGtWVSiCXY744kKdTOprid98Z2K9Ed1eORnpI6ZpkIsSiSHZO4T/oNW30iUgB5+jhSPaYvm9eHxoFG2SUxLWP0ofpYlPE/wNJBBjxU8V6KAVYVoMZMYxJvsCRHBoHM9Gccc6N+Cskhz607gzo9dz9Kig1ErLsxbwno+PY34diK/lJ+YCBWKCE/XElIzrAPwzHOYj650idsYJlZ8X8SltUcyixotgX99FUqtzifQzVla38gXMqsS3I90h9qjFqKHkOrUju0+p59cKrT5Kn1FbnbZXnxKn3jKKxFfNPFGBDmVlmnnTS0H5hw3ScHdaw99Xq10lvrMjBeRicpdJLtmzSO/cprxJukj+/9PqKaIehPSD9QGHWShZXXcW/O0dJg2DI2fZluqzi53xLrttwoE4ryICFkksc4rOPzPUVEHsda1ceA8gLR5L1ZhDAhwGUGdfIngygXyyTQGNMWz2BjVtrwkL62eWHNm39V3lZ5h23+VrhpQy92WD5jGAuLL2VNwYkzpBBNHAB4m/YL/MmXWhLXBfk7+t1NVIH5qR/kad96I3Xco3bWudnhAn4RNb9bdzSZn2O1r5j6V+ysR83WYFom1bnd4Gul4PYJzf8Xy7i4gPCiIQPwhqnszRqXNPA52usJTAxS3yVqDT12aQKfaM69/hSJSLDsQn6AbEz/I91eZd4QRCMG2woaYxp+u/TGQAmTpxN4PpSObaAfyUKrDUN2+8S7rD/EQNagyF2RTdjrLS8yaU1AxB9N+q/dtDM5VarpTKoncA5tyitOsBUPEC0CULUzsv9fsf0VqWQ/n2r6cD2KLim+VipuVYA55xy0mCbjQAr+96bjEe3CBkYotQVqw/0TgHy0Gdtse9kRnDEc/GcpiMN1xs+If/MxAdtqvzZrfW+so383d5eey6ErDIC8LGYStclHEsD/ZbFq4rr/NqyAkolFD91a3hzZs/PzJUbA8hn0JoyBJ5r7+jZtZzqSa4cKIX7llVUePq8++N+YbWoCHYaclWGIDFCKruxckC6iegL+uZe/m+D8W3g8uj1fy2If2L2EuhtBIt/0iJvzN4EBQtPbuLEQ24I8SJLHs8Cgl2kUys0eQ8tYxIrcxyISfobhneeEXx0k6qAHkZgarCw4ElBNfZ689Ij/Z3ambYctYhy4vlYljR2Lsi2piEI9BGj1NFX7G2UbAq6nlAe+HLBFxruUIyLGcKdsdVGqOpCSwCVmwovA7zqjOCJNGkB4x8XvcJzHNIWH+vR+32df2CwwX9fwmV4Pgj9Hd5zMFr/kyFVU/w+Qg2hgq3hJT4GOS8NKspdEUTniYned4pZtYw8y X-OriginatorOrg: vaisala.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8492fce6-db45-41cc-04a1-08d900de0b88 X-MS-Exchange-CrossTenant-AuthSource: VI1PR0602MB3568.eurprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Apr 2021 13:46:32.7228 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 6d7393e0-41f5-4c2e-9b12-4c2be5da5c57 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: CgxbnrUTQCfrl0jAHflyUaqrqJaXDjMyvIEXZXTgYovv+fYKmbRLemFkVWVYXAlmM8y51iesHG6/z2xOZyQDFQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR06MB5568 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Initial DT bindings for Murata SCA3300 Accelerometer. Signed-off-by: Tomas Melin --- .../bindings/iio/accel/murata,sca3300.yaml | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/accel/murata,sca3300.yaml diff --git a/Documentation/devicetree/bindings/iio/accel/murata,sca3300.yaml b/Documentation/devicetree/bindings/iio/accel/murata,sca3300.yaml new file mode 100644 index 000000000000..55fd3548e3b6 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/accel/murata,sca3300.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/accel/murata,sca3300.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Murata SCA3300 Accelerometer + +description: | + 3-axis industrial accelerometer with digital SPI interface + https://www.murata.com/en-global/products/sensor/accel/sca3300 + +maintainers: + - Tomas Melin + +properties: + compatible: + enum: + - murata,sca3300 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 8000000 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + accelerometer@0 { + compatible = "murata,sca3300"; + reg = <0x0>; + spi-max-frequency = <4000000>; + }; + }; +... From patchwork Fri Apr 16 13:45:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomas Melin X-Patchwork-Id: 12207763 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=-15.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,UNWANTED_LANGUAGE_BODY,USER_AGENT_GIT 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 85E67C43461 for ; Fri, 16 Apr 2021 13:46:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4E946611ED for ; Fri, 16 Apr 2021 13:46:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244192AbhDPNrD (ORCPT ); Fri, 16 Apr 2021 09:47:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244177AbhDPNrC (ORCPT ); Fri, 16 Apr 2021 09:47:02 -0400 Received: from EUR01-HE1-obe.outbound.protection.outlook.com (mail-he1eur01on060a.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe1e::60a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D0A7C061574; Fri, 16 Apr 2021 06:46:37 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=NKWMwD5uxr3rPxILGCQUMKWKcSG26gXXnzeKB4HPfg4gtrdMyXgfvBaY4XnsqKRWigccswBjKBBQ7z7HU1SLvEK0Oqu5HBNS2PlYW7YaGiC447453R3M8bXIMrKcyXWr4g+XnKkdTaXxsy9E7H8qTQqyrs1Ey6L/LhEqQBxy6TScDxBhPvwV9oalIyIzYKwm2Dk2hMjkf7MYUHOvVZtNnvImOetiLfEy/qK/Ql0qRs64FWrSCQMMSddeZtKnsFmDIFofO5BnntDv8Or8kHS44U0sw2/ilReRWIs6EuidkXkipDnaqlVNX+ZLV/QnhvISrhfB2NP4mHDuZA5qBsQhtQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=8dIVm2k58ky4jKhQAio4MJM0fzG8jGGEmOjC148owMA=; b=HDXl7Jgxipha6jGVMoXkMc70J4PYBVy9AGyWc0TyAy6a9SJVLRfUL/XKv1hd8LoQTdFpLQhQI2OnwGfEHqziZLQIDyfF81Cd7eAiye2QrQn0s8rSHZGpbHb0eycOqxV0R7Ru7LfQ2M2JJKV22e+j3upoolE6UnDKyK4NriSUFXOqCder1dsrG9GMUtXush5BvWE3cr4UN5THUG3XXHIl9dCwSLOAC1LLtv36lzW3kXVJ24NYTQyqCWj3yBw29oUCIq21OVkz+ZqzKsfQfzQlUdUEjabR2Bq3gXXinqWHOx4o1atpUFL/4VrZczGNoWKIg0si8TM+PX9q37hgydUzDg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=vaisala.com; dmarc=pass action=none header.from=vaisala.com; dkim=pass header.d=vaisala.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vaisala.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=8dIVm2k58ky4jKhQAio4MJM0fzG8jGGEmOjC148owMA=; b=sZnvz+pjJl9MjH0r0vJArmen6WHZBsMARcOF0uA0laevowLVa7Re3AUl3+dlDqLadh0nw/rJBObrIo++7DdlV7snw8vKMiDADNl31ydJ2BRMsUq8E2+J5+SwI4sqB2qnHLcdnDenNDeuH51BA5nLj2dyEIo35UaK+CV65XUGKfLPngfX1eRRQARm9LHPKohZcn1sUdHSIE6DDUSRIVTTHuKtnUqXUSusYKJ/esTau0SO8+THuQYckdHruOiKv6/xgvbxLFwxdjvu4PYe2cWUiT/gARfSzJA6AB2HgOU65jg4IVP8CNLCHffPlUYI6bCQADMuWYG5p5rWSWe0+mwTxg== Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=vaisala.com; Received: from VI1PR0602MB3568.eurprd06.prod.outlook.com (2603:10a6:803:10::31) by VI1PR06MB5568.eurprd06.prod.outlook.com (2603:10a6:803:da::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4042.18; Fri, 16 Apr 2021 13:46:33 +0000 Received: from VI1PR0602MB3568.eurprd06.prod.outlook.com ([fe80::c471:1848:5f45:95a4]) by VI1PR0602MB3568.eurprd06.prod.outlook.com ([fe80::c471:1848:5f45:95a4%7]) with mapi id 15.20.4042.016; Fri, 16 Apr 2021 13:46:33 +0000 From: Tomas Melin To: jic23@kernel.org, devicetree@vger.kernel.org Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Tomas Melin Subject: [PATCH v2 2/2] iio: accel: Add driver for Murata SCA3300 accelerometer Date: Fri, 16 Apr 2021 16:45:46 +0300 Message-Id: <20210416134546.38475-3-tomas.melin@vaisala.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20210416134546.38475-1-tomas.melin@vaisala.com> References: <20210416134546.38475-1-tomas.melin@vaisala.com> X-Originating-IP: [85.156.166.106] X-ClientProxiedBy: HE1PR05CA0269.eurprd05.prod.outlook.com (2603:10a6:3:fc::21) To VI1PR0602MB3568.eurprd06.prod.outlook.com (2603:10a6:803:10::31) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from fedora-vm.localdomain (85.156.166.106) by HE1PR05CA0269.eurprd05.prod.outlook.com (2603:10a6:3:fc::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4020.16 via Frontend Transport; Fri, 16 Apr 2021 13:46:32 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 89d6f130-b9b3-4e16-fc47-08d900de0bfc X-MS-TrafficTypeDiagnostic: VI1PR06MB5568: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:9508; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: fdK2xmCqwCz1xTUHDdJd80+ntNJ6hhCZjlMWK64eaiLJvEQ38VCptX8gvd69bKX152XruOhuMw0jjl6heT1qUMzdiJ5/qrJfzlH5iDMzAIIO73mSVjWRFQbypm+2wnpj09j/4eT7N6EegGe3ygGS3hIdZXcJEjMzvFw+P0Nk0kLUboq8nuLGai5yr+3w2LHjQSsvvxo5T5mmkOHozn1ecms/aJL7/8fWjVw6CFkx1NhKe/CYm9SMGEmkkKsKbLYbzczghW2aV9+YTwKpfJkTpAYy3ZHXzUDvN306qjpZDcLE/IPKq2uFDGeMXf9hIbh9lfb8UmPUT2cDFKn3n8GmAbEr12Qf7iqidHmVyOui1Vd05beCl4+zGaqJSTgaTHUHLUvXGD1/wb1ODC8dMoYLSo8le/UAsBOACn7hjbUQFG4ZgrhmSoHXFMDybwtrorp5762Cy5gKBwwL4nIFyAbgwDPG2hz1fIUCmd/+eJsoa6Ze9yzQm1DNHAFdvzIvl8GiXAWhrLxrT79ycOclBch2JEnmbwyKdomjBsDd7yTIlRCTdNdL3XXEdp2uH+ex0MMvGNBLYwYEOs7I71qST0hJMtKnLCeEjG3aj4TalCTGvE3LZNVotWxnVF07y+Ur+07vA29ImSzdM9as/2g8ecHAeWCME6enpb9Hhvx/VWyLfUwKLqg95q4bWQJ+VblDSube3NpfMBFirdPhF8Tb/GuYfW/JtgHnhW3S6q54OF4RvZ8= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VI1PR0602MB3568.eurprd06.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(346002)(136003)(396003)(39850400004)(376002)(366004)(5660300002)(6486002)(30864003)(66946007)(186003)(66476007)(956004)(66556008)(316002)(86362001)(6506007)(36756003)(6666004)(107886003)(1076003)(38100700002)(38350700002)(16526019)(478600001)(52116002)(8936002)(2906002)(83380400001)(966005)(26005)(44832011)(8676002)(2616005)(6512007)(4326008);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: vaisala.com X-MS-Exchange-CrossTenant-Network-Message-Id: 89d6f130-b9b3-4e16-fc47-08d900de0bfc X-MS-Exchange-CrossTenant-AuthSource: VI1PR0602MB3568.eurprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Apr 2021 13:46:33.4923 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 6d7393e0-41f5-4c2e-9b12-4c2be5da5c57 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 6Dp8ia3DxTH/GYf34IECORA+BlVoNZKz8yVw83AXE1CjFew/Nt5ucqe0Ej/2iSXNwdrKDini05Ge/Gr19wfPig== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR06MB5568 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add initial support for Murata SCA3300 3-axis industrial accelerometer with digital SPI interface. This device also provides a temperature measurement. Device product page including datasheet can be found at: https://www.murata.com/en-global/products/sensor/accel/sca3300 Signed-off-by: Tomas Melin --- drivers/iio/accel/Kconfig | 13 + drivers/iio/accel/Makefile | 1 + drivers/iio/accel/sca3300.c | 468 ++++++++++++++++++++++++++++++++++++ 3 files changed, 482 insertions(+) create mode 100644 drivers/iio/accel/sca3300.c diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index cceda3cecbcf..0dbf7b648e8a 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -450,6 +450,19 @@ config SCA3000 To compile this driver as a module, say M here: the module will be called sca3000. +config SCA3300 + tristate "Murata SCA3300 3-Axis Accelerometer Driver" + depends on SPI + select CRC8 + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER + help + Say yes here to build support for Murata SCA3300 3-Axis + accelerometer. + + To compile this driver as a module, choose M here: the module will be + called sca3300. + config STK8312 tristate "Sensortek STK8312 3-Axis Accelerometer Driver" depends on I2C diff --git a/drivers/iio/accel/Makefile b/drivers/iio/accel/Makefile index 32cd1342a31a..4b56527a2b97 100644 --- a/drivers/iio/accel/Makefile +++ b/drivers/iio/accel/Makefile @@ -50,6 +50,7 @@ obj-$(CONFIG_MXC4005) += mxc4005.o obj-$(CONFIG_MXC6255) += mxc6255.o obj-$(CONFIG_SCA3000) += sca3000.o +obj-$(CONFIG_SCA3300) += sca3300.o obj-$(CONFIG_STK8312) += stk8312.o obj-$(CONFIG_STK8BA50) += stk8ba50.o diff --git a/drivers/iio/accel/sca3300.c b/drivers/iio/accel/sca3300.c new file mode 100644 index 000000000000..79c3c60f9fab --- /dev/null +++ b/drivers/iio/accel/sca3300.c @@ -0,0 +1,468 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2021 Vaisala Oyj. All rights reserved. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define SCA3300_ALIAS "sca3300" + +#define SCA3300_REG_STATUS 0x6 +#define SCA3300_REG_MODE 0xd +#define SCA3300_REG_WHOAMI 0x10 +#define SCA3300_VALUE_SW_RESET 0x20 +#define SCA3300_CRC8_POLYNOMIAL 0x1d +#define SCA3300_DEVICE_ID 0x51 +#define SCA3300_RS_ERROR 0x3 +#define SCA3300_SELBANK 0x1f +#define SCA3300_STATUS_MASK 0x1ff + +enum sca3300_scan_indexes { + SCA3300_ACC_X = 0, + SCA3300_ACC_Y, + SCA3300_ACC_Z, + SCA3300_TEMP, + SCA3300_TIMESTAMP, +}; + +#define SCA3300_ACCEL_CHANNEL(index, reg, axis) { \ + .type = IIO_ACCEL, \ + .address = reg, \ + .modified = 1, \ + .channel2 = IIO_MOD_##axis, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = \ + BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), \ + .info_mask_shared_by_type_available = \ + BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), \ + .scan_index = index, \ + .scan_type = { \ + .sign = 's', \ + .realbits = 16, \ + .storagebits = 16, \ + .shift = 0, \ + .endianness = IIO_CPU, \ + }, \ + } + +static const struct iio_chan_spec sca3300_channels[] = { + SCA3300_ACCEL_CHANNEL(SCA3300_ACC_X, 0x1, X), + SCA3300_ACCEL_CHANNEL(SCA3300_ACC_Y, 0x2, Y), + SCA3300_ACCEL_CHANNEL(SCA3300_ACC_Z, 0x3, Z), + { + .type = IIO_TEMP, + .address = 0x5, + .scan_index = SCA3300_TEMP, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .scan_type = { + .sign = 's', + .realbits = 16, + .storagebits = 16, + .shift = 0, + .endianness = IIO_CPU, + }, + }, + IIO_CHAN_SOFT_TIMESTAMP(4), +}; + +static const int sca3300_lp_freq[] = {70, 70, 70, 10}; +static const int sca3300_accel_scale[][2] = {{0, 370}, {0, 741}, {0, 185}, + {0, 185}}; + +static const unsigned long sca3300_scan_masks[] = { + BIT(SCA3300_ACC_X) | BIT(SCA3300_ACC_Y) | BIT(SCA3300_ACC_Z) | + BIT(SCA3300_TEMP), + 0}; + +/** + * struct sca3300_data - device data + * @spi: SPI device structure + * @lock: Data buffer lock + * @txbuf: Transmit buffer + * @rxbuf: Receive buffer + * @scan: Triggered buffer. Four channel 16-bit data + 64-bit timestamp + */ +struct sca3300_data { + struct spi_device *spi; + struct mutex lock; + u8 txbuf[4]; + u8 rxbuf[4]; + struct { + s16 channels[4]; + s64 ts __aligned(sizeof(s64)); + } scan; +}; + +DECLARE_CRC8_TABLE(sca3300_crc_table); + +static int sca3300_transfer(struct sca3300_data *sca_data, int *val) +{ + struct spi_delay delay = {.value = 10, .unit = SPI_DELAY_UNIT_USECS}; + int32_t ret; + int rs; + u8 crc; + struct spi_transfer xfers[2] = { + { + .tx_buf = sca_data->txbuf, + .rx_buf = NULL, + .len = ARRAY_SIZE(sca_data->txbuf), + .delay = delay, + .cs_change = 1, + }, + { + .tx_buf = NULL, + .rx_buf = sca_data->rxbuf, + .len = ARRAY_SIZE(sca_data->rxbuf), + .delay = delay, + .cs_change = 0, + } + }; + + /* inverted crc value as described in device data sheet */ + crc = ~crc8(sca3300_crc_table, &sca_data->txbuf[0], 3, CRC8_INIT_VALUE); + sca_data->txbuf[3] = crc; + + ret = spi_sync_transfer(sca_data->spi, xfers, ARRAY_SIZE(xfers)); + if (ret < 0) { + dev_err(&sca_data->spi->dev, + "transfer error, error: %d\n", ret); + return -EIO; + } + + crc = ~crc8(sca3300_crc_table, &sca_data->rxbuf[0], 3, CRC8_INIT_VALUE); + if (sca_data->rxbuf[3] != crc) { + dev_err(&sca_data->spi->dev, "CRC checksum mismatch"); + return -EIO; + } + + /* get return status */ + rs = sca_data->rxbuf[0] & 0x03; + if (rs == SCA3300_RS_ERROR) + ret = -EINVAL; + + *val = sign_extend32(get_unaligned_be16(&sca_data->rxbuf[1]), 15); + + return ret; +} + +static int sca3300_error_handler(struct sca3300_data *sca_data) +{ + int ret; + int val; + + mutex_lock(&sca_data->lock); + sca_data->txbuf[0] = 0x0 | (SCA3300_REG_STATUS << 2); + ret = sca3300_transfer(sca_data, &val); + mutex_unlock(&sca_data->lock); + /* return status is cleared after reading status register */ + if (ret != -EINVAL) { + dev_err(&sca_data->spi->dev, + "error reading device status: %d\n", ret); + return ret; + } + + dev_err(&sca_data->spi->dev, "device status: 0x%x\n", + (u16)(val & SCA3300_STATUS_MASK)); + return 0; +} + +static int sca3300_read_reg(struct sca3300_data *sca_data, u8 reg, int *val) +{ + int ret; + + mutex_lock(&sca_data->lock); + sca_data->txbuf[0] = 0x0 | (reg << 2); + ret = sca3300_transfer(sca_data, val); + mutex_unlock(&sca_data->lock); + if (ret == -EINVAL) + ret = sca3300_error_handler(sca_data); + + return ret; +} + +static int sca3300_write_reg(struct sca3300_data *sca_data, u8 reg, int val) +{ + int reg_val = 0; + int ret; + + mutex_lock(&sca_data->lock); + sca_data->txbuf[0] = BIT(7) | (reg << 2); + put_unaligned_be16(val, &sca_data->txbuf[1]); + ret = sca3300_transfer(sca_data, ®_val); + mutex_unlock(&sca_data->lock); + if (ret == -EINVAL) + ret = sca3300_error_handler(sca_data); + + return ret; +} + +static int sca3300_write_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int val, int val2, long mask) +{ + struct sca3300_data *data = iio_priv(indio_dev); + int reg_val; + int ret; + int i; + int idx = -1; + + switch (mask) { + case IIO_CHAN_INFO_SCALE: + if (val) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(sca3300_accel_scale); i++) { + if (val2 == sca3300_accel_scale[i][1]) { + idx = i; + break; + } + } + if (idx == -1) + return -EINVAL; + + return sca3300_write_reg(data, SCA3300_REG_MODE, idx); + case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY: + ret = sca3300_read_reg(data, SCA3300_REG_MODE, ®_val); + if (ret < 0) + return ret; + /* freq. change is possible only for mode 3 and 4 */ + if (reg_val == 2 && val == sca3300_lp_freq[3]) + return sca3300_write_reg(data, SCA3300_REG_MODE, 3); + else if (reg_val == 3 && val == sca3300_lp_freq[2]) + return sca3300_write_reg(data, SCA3300_REG_MODE, 2); + else + return -EINVAL; + default: + return -EINVAL; + } +} + +static int sca3300_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct sca3300_data *data = iio_priv(indio_dev); + int ret; + int reg_val; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + ret = sca3300_read_reg(data, chan->address, val); + if (ret < 0) + return ret; + return IIO_VAL_INT; + case IIO_CHAN_INFO_SCALE: + ret = sca3300_read_reg(data, SCA3300_REG_MODE, ®_val); + if (ret < 0) + return ret; + *val = 0; + *val2 = sca3300_accel_scale[reg_val][1]; + return IIO_VAL_INT_PLUS_MICRO; + case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY: + ret = sca3300_read_reg(data, SCA3300_REG_MODE, ®_val); + if (ret < 0) + return ret; + *val = sca3300_lp_freq[reg_val]; + return IIO_VAL_INT; + default: + return -EINVAL; + } +} + +static irqreturn_t sca3300_trigger_handler(int irq, void *p) +{ + struct iio_poll_func *pf = p; + struct iio_dev *indio_dev = pf->indio_dev; + struct sca3300_data *data = iio_priv(indio_dev); + int bit, ret, val, i = 0; + + for_each_set_bit(bit, indio_dev->active_scan_mask, + indio_dev->masklength) { + ret = sca3300_read_reg(data, sca3300_channels[bit].address, + &val); + if (ret < 0) { + dev_err(&data->spi->dev, + "failed to read register, error: %d\n", ret); + goto out; + } + ((s16 *)data->scan.channels)[i++] = val; + } + + iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, + iio_get_time_ns(indio_dev)); +out: + iio_trigger_notify_done(indio_dev->trig); + + return IRQ_HANDLED; +} + +/* + * sca3300_init - Device init sequence. See datasheet rev 2 section + * 4.2 Start-Up Sequence for details. + */ +static int sca3300_init(struct sca3300_data *sca_data, + struct iio_dev *indio_dev) +{ + int ret; + int value = 0; + + ret = sca3300_write_reg(sca_data, SCA3300_REG_MODE, + SCA3300_VALUE_SW_RESET); + if (ret != 0) + return ret; + /* wait at least 1ms after SW-reset command */ + usleep_range(1e3, 10e3); + + /* wait 15ms for settling of signal paths */ + usleep_range(15e3, 50e3); + ret = sca3300_read_reg(sca_data, SCA3300_REG_WHOAMI, &value); + if (ret != 0) + return ret; + + if (value != SCA3300_DEVICE_ID) { + dev_err(&sca_data->spi->dev, + "device id not expected value, %d != %u\n", + value, SCA3300_DEVICE_ID); + return -EIO; + } + return 0; +} + +static int sca3300_debugfs_reg_access(struct iio_dev *indio_dev, + unsigned int reg, unsigned int writeval, + unsigned int *readval) +{ + struct sca3300_data *data = iio_priv(indio_dev); + int value; + int ret; + + if (reg > SCA3300_SELBANK) + return -EINVAL; + + if (!readval) + return sca3300_write_reg(data, reg, writeval); + + ret = sca3300_read_reg(data, reg, &value); + if (ret < 0) + return ret; + + *readval = (unsigned int)value; + + return 0; +} + +static int sca3300_read_avail(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + const int **vals, + int *type, + int *length, + long mask) +{ + switch (mask) { + case IIO_CHAN_INFO_SCALE: + *vals = (const int *)sca3300_accel_scale; + *length = ARRAY_SIZE(sca3300_accel_scale) * 2 - 2; + *type = IIO_VAL_INT_PLUS_MICRO; + return IIO_AVAIL_LIST; + case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY: + *vals = &sca3300_lp_freq[2]; + *length = 2; + *type = IIO_VAL_INT; + return IIO_AVAIL_LIST; + default: + return -EINVAL; + } +} + +static const struct iio_info sca3300_info = { + .read_raw = sca3300_read_raw, + .write_raw = sca3300_write_raw, + .debugfs_reg_access = &sca3300_debugfs_reg_access, + .read_avail = sca3300_read_avail, +}; + +static int sca3300_probe(struct spi_device *spi) +{ + struct sca3300_data *sca_data; + struct iio_dev *indio_dev; + int ret; + + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*sca_data)); + if (!indio_dev) { + dev_err(&spi->dev, + "failed to allocate memory for iio device\n"); + return -ENOMEM; + } + + sca_data = iio_priv(indio_dev); + mutex_init(&sca_data->lock); + sca_data->spi = spi; + + crc8_populate_msb(sca3300_crc_table, SCA3300_CRC8_POLYNOMIAL); + + indio_dev->dev.parent = &spi->dev; + indio_dev->info = &sca3300_info; + indio_dev->name = SCA3300_ALIAS; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->channels = sca3300_channels; + indio_dev->num_channels = ARRAY_SIZE(sca3300_channels); + indio_dev->available_scan_masks = sca3300_scan_masks; + + ret = sca3300_init(sca_data, indio_dev); + if (ret < 0) { + dev_err(&spi->dev, "failed to init device, error: %d\n", ret); + return ret; + } + + ret = devm_iio_triggered_buffer_setup(&spi->dev, indio_dev, + iio_pollfunc_store_time, + sca3300_trigger_handler, NULL); + if (ret < 0) { + dev_err(&spi->dev, + "iio triggered buffer setup failed, error: %d\n", ret); + return ret; + } + + ret = devm_iio_device_register(&spi->dev, indio_dev); + if (ret < 0) { + dev_err(&spi->dev, "iio device register failed, error: %d\n", + ret); + return ret; + } + + return 0; +} + +static const struct of_device_id sca3300_dt_ids[] = { + { .compatible = "murata,sca3300"}, + {}, +}; +MODULE_DEVICE_TABLE(of, sca3300_dt_ids); + +static struct spi_driver sca3300_driver = { + .driver = { + .name = SCA3300_ALIAS, + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(sca3300_dt_ids), + }, + + .probe = sca3300_probe, +}; + +module_spi_driver(sca3300_driver); + +MODULE_AUTHOR("Tomas Melin "); +MODULE_DESCRIPTION("Murata SCA3300 SPI Accelerometer"); +MODULE_LICENSE("GPL v2");