Signed-off-by: Markus Pargmann <mpa@xxxxxxxxxxxxxx> --- drivers/iio/gyro/Kconfig | 11 +++++++++ drivers/iio/gyro/Makefile | 1 + drivers/iio/gyro/bmg160_spi.c | 57 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 69 insertions(+) create mode 100644 drivers/iio/gyro/bmg160_spi.c diff --git a/drivers/iio/gyro/Kconfig b/drivers/iio/gyro/Kconfig index 13f8e0051615..a77dbb0062fe 100644 --- a/drivers/iio/gyro/Kconfig +++ b/drivers/iio/gyro/Kconfig @@ -71,6 +71,17 @@ 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 73b41e43a974..848e55c605c0 100644 --- a/drivers/iio/gyro/Makefile +++ b/drivers/iio/gyro/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_ADIS16136) += adis16136.o obj-$(CONFIG_ADIS16260) += adis16260.o obj-$(CONFIG_ADXRS450) += adxrs450.o obj-$(CONFIG_BMG160_I2C) += bmg160_core.o bmg160_i2c.o +obj-$(CONFIG_BMG160_I2C) += bmg160_core.o bmg160_spi.o obj-$(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..8a358571b702 --- /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@xxxxxxxxxxxxxx>"); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("BMG160 SPI Gyro driver"); -- 2.4.6 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html