From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932194AbbHSMNJ (ORCPT ); Wed, 19 Aug 2015 08:13:09 -0400 Received: from metis.ext.pengutronix.de ([92.198.50.35]:33143 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753988AbbHSMNG (ORCPT ); Wed, 19 Aug 2015 08:13:06 -0400 From: Markus Pargmann To: Jonathan Cameron Cc: Srinivas Pandruvada , Irina Tirdea , Vlad Dogaru , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, Markus Pargmann Subject: [PATCH v4 2/2] iio: bmg160: Add SPI driver Date: Wed, 19 Aug 2015 14:12:46 +0200 Message-Id: <1439986366-25291-3-git-send-email-mpa@pengutronix.de> X-Mailer: git-send-email 2.4.6 In-Reply-To: <1439986366-25291-1-git-send-email-mpa@pengutronix.de> References: <1439986366-25291-1-git-send-email-mpa@pengutronix.de> X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: mpa@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Markus Pargmann --- drivers/iio/gyro/Kconfig | 7 +++++- drivers/iio/gyro/Makefile | 1 + drivers/iio/gyro/bmg160_spi.c | 57 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 64 insertions(+), 1 deletion(-) create mode 100644 drivers/iio/gyro/bmg160_spi.c diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig index 94526b13d49f..e816d29d6a62 100644 --- a/drivers/iio/gyro/Kconfig +++ b/drivers/iio/gyro/Kconfig @@ -56,18 +56,23 @@ config BMG160 select IIO_BUFFER select IIO_TRIGGERED_BUFFER select BMG160_I2C if (I2C) + select BMG160_SPI if (SPI) help Say yes here to build support for BOSCH BMG160 Tri-axis Gyro Sensor driver connected via I2C or SPI. This driver also supports BMI055 gyroscope. This driver can also be built as a module. If so, the module - will be called bmg160_i2c. + will be called bmg160_i2c or bmg160_spi. config BMG160_I2C tristate select REGMAP_I2C +config BMG160_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 608401041550..f866a4be0667 100644 --- a/drivers/iio/gyro/Makefile +++ b/drivers/iio/gyro/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_ADIS16260) += adis16260.o obj-$(CONFIG_ADXRS450) += adxrs450.o obj-$(CONFIG_BMG160) += bmg160_core.o obj-$(CONFIG_BMG160_I2C) += bmg160_i2c.o +obj-$(CONFIG_BMG160_SPI) += bmg160_spi.o obj-$(CONFIG_HID_SENSOR_GYRO_3D) += hid-sensor-gyro-3d.o diff --git a/drivers/iio/gyro/bmg160_spi.c b/drivers/iio/gyro/bmg160_spi.c new file mode 100644 index 000000000000..021ea5fe6a37 --- /dev/null +++ b/drivers/iio/gyro/bmg160_spi.c @@ -0,0 +1,57 @@ +#include +#include +#include +#include + +#include "bmg160.h" + +static const struct regmap_config bmg160_regmap_spi_conf = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0x3f, +}; + +static int bmg160_spi_probe(struct spi_device *spi) +{ + struct regmap *regmap; + const struct spi_device_id *id = spi_get_device_id(spi); + + regmap = devm_regmap_init_spi(spi, &bmg160_regmap_spi_conf); + if (IS_ERR(regmap)) { + dev_err(&spi->dev, "Failed to register spi regmap %d\n", + (int)PTR_ERR(regmap)); + return PTR_ERR(regmap); + } + + return bmg160_core_probe(&spi->dev, regmap, spi->irq, id->name); +} + +static int bmg160_spi_remove(struct spi_device *spi) +{ + bmg160_core_remove(&spi->dev); + + return 0; +} + +static const struct spi_device_id bmg160_spi_id[] = { + {"bmg160", 0}, + {"bmi055_gyro", 0}, + {} +}; + +MODULE_DEVICE_TABLE(spi, bmg160_spi_id); + +static struct spi_driver bmg160_spi_driver = { + .driver = { + .name = "bmg160_spi", + .pm = &bmg160_pm_ops, + }, + .probe = bmg160_spi_probe, + .remove = bmg160_spi_remove, + .id_table = bmg160_spi_id, +}; +module_spi_driver(bmg160_spi_driver); + +MODULE_AUTHOR("Markus Pargmann "); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("BMG160 SPI Gyro driver"); -- 2.4.6