From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933304AbbHDLEr (ORCPT ); Tue, 4 Aug 2015 07:04:47 -0400 Received: from metis.ext.pengutronix.de ([92.198.50.35]:42882 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932799AbbHDLDU (ORCPT ); Tue, 4 Aug 2015 07:03:20 -0400 From: Markus Pargmann To: Jonathan Cameron Cc: Srinivas Pandruvada , Vlad Dogaru , Paul Bolle , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, Markus Pargmann Subject: [PATCH v2 6/6] iio: bmg160: Add SPI driver Date: Tue, 4 Aug 2015 13:02:59 +0200 Message-Id: <1438686179-18635-7-git-send-email-mpa@pengutronix.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1438686179-18635-1-git-send-email-mpa@pengutronix.de> References: <1438686179-18635-1-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 | 11 ++++++++ drivers/iio/gyro/Makefile | 1 + drivers/iio/gyro/bmg160_spi.c | 60 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 72 insertions(+) create mode 100644 drivers/iio/gyro/bmg160_spi.c diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig index 1e6cfff5546f..420aea844216 100644 --- a/drivers/iio/gyro/Kconfig +++ b/drivers/iio/gyro/Kconfig @@ -72,6 +72,17 @@ config BMG160_I2C This driver can also be built as a module. If so, the module will be called bmg160_i2c. +config BMG160_SPI + tristate "Driver for connection via SPI" + depends on SPI + select REGMAP_SPI + help + Say yes here to build support for Bosch BMG160 Tri-axis Gyro Sensor + driver connected via SPI. This driver also supports BMI055 gyroscope. + + This driver can also be built as a module. If so, the module + will be called bmg160_spi. + endif config HID_SENSOR_GYRO_3D 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..4dcef65f3476 --- /dev/null +++ b/drivers/iio/gyro/bmg160_spi.c @@ -0,0 +1,60 @@ +#include +#include +#include +#include + +#include + +static const struct regmap_config bmg160_regmap_spi_conf = { + .reg_bits = 8, + .val_bits = 8, + .read_flag_mask = 0x80, + + .use_single_rw = true, + .cache_type = REGCACHE_NONE, +}; + +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"); -- 2.1.4