diff options
| author | Markus Pargmann <mpa@pengutronix.de> | 2015-08-19 14:12:46 +0200 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-08-31 17:06:11 +0100 |
| commit | b1d125cc6236399258025b0c5646cafa2b45e043 (patch) | |
| tree | 3b975e979ac52854d3501c68ed33c44c354ecb5f /drivers/iio/gyro | |
| parent | 13426454b6493a847cebe276fb1ec3a7f1d48d0e (diff) | |
iio: bmg160: Add SPI driver
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/gyro')
| -rw-r--r-- | drivers/iio/gyro/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/iio/gyro/Makefile | 1 | ||||
| -rw-r--r-- | drivers/iio/gyro/bmg160_spi.c | 57 |
3 files changed, 64 insertions, 1 deletions
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 <linux/spi/spi.h> +#include <linux/regmap.h> +#include <linux/iio/iio.h> +#include <linux/module.h> + +#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 <mpa@pengutronix.de>"); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("BMG160 SPI Gyro driver"); |