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=-6.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,UNWANTED_LANGUAGE_BODY,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 67256C282CB for ; Tue, 5 Feb 2019 17:43:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3BB9120811 for ; Tue, 5 Feb 2019 17:43:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="FFWqg5ck" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727969AbfBERn5 (ORCPT ); Tue, 5 Feb 2019 12:43:57 -0500 Received: from mail-wm1-f67.google.com ([209.85.128.67]:32954 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727835AbfBERn5 (ORCPT ); Tue, 5 Feb 2019 12:43:57 -0500 Received: by mail-wm1-f67.google.com with SMTP id r24so102872wmh.0 for ; Tue, 05 Feb 2019 09:43:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=gDgmk73jZxpcUob0JtNtldENUWQY6jE2DXwyzn7tmw8=; b=FFWqg5ckf/0PWzXYi1ObveJ1ACjS4K62xIljtH0ecFKVbLdTFeV0ipWd3DZa5X0T/8 71tlAK9js3avffXFWwkiesU0RkMAy84y/J0lUcV05icR6o7naw3H1YJhzNJUJqXwFfWw Ahj2tECW76394VTqCLC8G0HJ+lKlGsm/EulW2scJ5qMF3b8x98dsPF1E3M+Mz5c7y2sH NNWYlUiDPeuRxzKiGzcFMqiEr1Raj55EqmyUOUsjg9FV4WQ9pkZn5TNMc6koB4FpOpim ewkFfr5G86o+H/hmQhUUzVhXHBJ3kLOdc+js8pfKnBc7Wb6S/N3b+Bz1iNcmdTDv3990 wYZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gDgmk73jZxpcUob0JtNtldENUWQY6jE2DXwyzn7tmw8=; b=SkDbiZ6xNY9E7xHomkAovck9EWDHjZpjuoSbc3cbL8xrfTo5nLgUTXx2+abEH2H5Bk XHzOTHXoton3lcBVXW3Z+0CFeWnsux4pqDRu8vrbQuLdOQdwQWGIYwXE4ABwMaFmNoU1 EOVTKU2eQ8qP14W23BX2AFRFXOlEDPWe4vfSUYCjwDzI+iFx5W1Ecr64jQigariT+mKc r5kUgqZIvU75xvpKe/aawKO0RUb12UqMyl9485Gb09szT2pMPpu5nyjvhHrr11oOEimv RQhZr2NaGF2X6BW3Xj1EEFh8x9lR0IvKYG5tlH3QW9aT62i1RmDRpkEOGCyQ/eCNkkzU LnrA== X-Gm-Message-State: AHQUAua/XM2Jpsjt6aAiu4+3BJDnyEi37+Ryvq7nJeP6kXmtoOOgJsIa TRmNBIm2EDnYgEIOuPi6PM8SNA== X-Google-Smtp-Source: AHgI3IYXOf1GGWpN77W881VdnTtje7gTPaarnTRDpRr9WdiWtTsnZzqTluWsG+35auZuk3dgWLDTtQ== X-Received: by 2002:a1c:5a42:: with SMTP id o63mr4608833wmb.88.1549388635740; Tue, 05 Feb 2019 09:43:55 -0800 (PST) Received: from arch-late.local (a109-49-46-234.cpe.netcabo.pt. [109.49.46.234]) by smtp.gmail.com with ESMTPSA id s132sm12225751wmf.28.2019.02.05.09.43.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 05 Feb 2019 09:43:55 -0800 (PST) From: Rui Miguel Silva To: Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Shawn Guo , Rob Herring , Fabio Estevam Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, Rui Miguel Silva Subject: [PATCH v2 4/5] iio: gyro: fxas2100x: add spi driver Date: Tue, 5 Feb 2019 17:43:32 +0000 Message-Id: <20190205174333.17672-5-rui.silva@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190205174333.17672-1-rui.silva@linaro.org> References: <20190205174333.17672-1-rui.silva@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add driver to talk over spi to a fxas21002 gyroscope device and use the core as main controller. Signed-off-by: Rui Miguel Silva --- drivers/iio/gyro/Kconfig | 5 +++ drivers/iio/gyro/Makefile | 1 + drivers/iio/gyro/fxas2100x_spi.c | 70 ++++++++++++++++++++++++++++++++ 3 files changed, 76 insertions(+) create mode 100644 drivers/iio/gyro/fxas2100x_spi.c diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig index 1f9bfc51febb..4f6d6b393ad8 100644 --- a/drivers/iio/gyro/Kconfig +++ b/drivers/iio/gyro/Kconfig @@ -78,6 +78,7 @@ config FXAS2100X select IIO_BUFFER select IIO_TRIGGERED_BUFFER select FXAS2100X_I2C if (I2C) + select FXAS2100X_SPI if (SPI) depends on (I2C || SPI_MASTER) help Say yes here to build support for NXP FXAS2100X family Tri-axis Gyro @@ -90,6 +91,10 @@ config FXAS2100X_I2C tristate select REGMAP_I2C +config FXAS2100X_SPI + tristate + select REGMAP_SPI + config HID_SENSOR_GYRO_3D depends on HID_SENSOR_HUB select IIO_BUFFER diff --git a/drivers/iio/gyro/Makefile b/drivers/iio/gyro/Makefile index 8b1540ddbbce..29915ba124b0 100644 --- a/drivers/iio/gyro/Makefile +++ b/drivers/iio/gyro/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_BMG160_I2C) += bmg160_i2c.o obj-$(CONFIG_BMG160_SPI) += bmg160_spi.o obj-$(CONFIG_FXAS2100X) += fxas2100x_core.o obj-$(CONFIG_FXAS2100X_I2C) += fxas2100x_i2c.o +obj-$(CONFIG_FXAS2100X_SPI) += fxas2100x_spi.o obj-$(CONFIG_HID_SENSOR_GYRO_3D) += hid-sensor-gyro-3d.o diff --git a/drivers/iio/gyro/fxas2100x_spi.c b/drivers/iio/gyro/fxas2100x_spi.c new file mode 100644 index 000000000000..7bd16a607372 --- /dev/null +++ b/drivers/iio/gyro/fxas2100x_spi.c @@ -0,0 +1,70 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Driver for NXP FXAS2100x Gyroscope - SPI + * + * Copyright (C) 2018 Linaro Ltd. + * + */ + +#include +#include +#include +#include + +#include "fxas2100x.h" + +static const struct regmap_config fxas2100x_regmap_spi_conf = { + .reg_bits = 8, + .val_bits = 8, + .max_register = FXAS2100X_REG_CTRL3, +}; + +static int fxas2100x_spi_probe(struct spi_device *spi) +{ + const struct spi_device_id *id = spi_get_device_id(spi); + struct regmap *regmap; + + regmap = devm_regmap_init_spi(spi, &fxas2100x_regmap_spi_conf); + if (IS_ERR(regmap)) { + dev_err(&spi->dev, "Failed to register spi regmap: %ld\n", + PTR_ERR(regmap)); + return PTR_ERR(regmap); + } + + return fxas2100x_core_probe(&spi->dev, regmap, spi->irq, id->name); +} + +static int fxas2100x_spi_remove(struct spi_device *spi) +{ + fxas2100x_core_remove(&spi->dev); + + return 0; +} + +static const struct spi_device_id fxas2100x_spi_id[] = { + { "fxas2100x", 0 }, + { } +}; +MODULE_DEVICE_TABLE(spi, fxas2100x_spi_id); + +static const struct of_device_id fxas2100x_spi_of_match[] = { + { .compatible = "nxp,fxas21002", }, + { }, +}; +MODULE_DEVICE_TABLE(of, fxas2100x_spi_of_match); + +static struct spi_driver fxas2100x_spi_driver = { + .driver = { + .name = "fxas2100x_spi", + .pm = &fxas2100x_pm_ops, + .of_match_table = of_match_ptr(fxas2100x_spi_of_match), + }, + .probe = fxas2100x_spi_probe, + .remove = fxas2100x_spi_remove, + .id_table = fxas2100x_spi_id, +}; +module_spi_driver(fxas2100x_spi_driver); + +MODULE_AUTHOR("Rui Miguel Silva "); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("FXAS2100X SPI Gyro driver"); -- 2.20.1