iio: bmg160: Add SPI driver
Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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@ -56,18 +56,23 @@ config BMG160
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select IIO_BUFFER
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select IIO_TRIGGERED_BUFFER
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select BMG160_I2C if (I2C)
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select BMG160_SPI if (SPI)
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help
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Say yes here to build support for BOSCH BMG160 Tri-axis Gyro Sensor
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driver connected via I2C or SPI. This driver also supports BMI055
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gyroscope.
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This driver can also be built as a module. If so, the module
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will be called bmg160_i2c.
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will be called bmg160_i2c or bmg160_spi.
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config BMG160_I2C
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tristate
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select REGMAP_I2C
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config BMG160_SPI
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tristate
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select REGMAP_SPI
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config HID_SENSOR_GYRO_3D
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depends on HID_SENSOR_HUB
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select IIO_BUFFER
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@ -10,6 +10,7 @@ obj-$(CONFIG_ADIS16260) += adis16260.o
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obj-$(CONFIG_ADXRS450) += adxrs450.o
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obj-$(CONFIG_BMG160) += bmg160_core.o
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obj-$(CONFIG_BMG160_I2C) += bmg160_i2c.o
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obj-$(CONFIG_BMG160_SPI) += bmg160_spi.o
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obj-$(CONFIG_HID_SENSOR_GYRO_3D) += hid-sensor-gyro-3d.o
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@ -0,0 +1,57 @@
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#include <linux/spi/spi.h>
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#include <linux/regmap.h>
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#include <linux/iio/iio.h>
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#include <linux/module.h>
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#include "bmg160.h"
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static const struct regmap_config bmg160_regmap_spi_conf = {
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.reg_bits = 8,
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.val_bits = 8,
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.max_register = 0x3f,
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};
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static int bmg160_spi_probe(struct spi_device *spi)
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{
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struct regmap *regmap;
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const struct spi_device_id *id = spi_get_device_id(spi);
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regmap = devm_regmap_init_spi(spi, &bmg160_regmap_spi_conf);
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if (IS_ERR(regmap)) {
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dev_err(&spi->dev, "Failed to register spi regmap %d\n",
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(int)PTR_ERR(regmap));
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return PTR_ERR(regmap);
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}
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return bmg160_core_probe(&spi->dev, regmap, spi->irq, id->name);
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}
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static int bmg160_spi_remove(struct spi_device *spi)
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{
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bmg160_core_remove(&spi->dev);
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return 0;
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}
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static const struct spi_device_id bmg160_spi_id[] = {
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{"bmg160", 0},
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{"bmi055_gyro", 0},
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{}
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};
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MODULE_DEVICE_TABLE(spi, bmg160_spi_id);
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static struct spi_driver bmg160_spi_driver = {
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.driver = {
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.name = "bmg160_spi",
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.pm = &bmg160_pm_ops,
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},
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.probe = bmg160_spi_probe,
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.remove = bmg160_spi_remove,
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.id_table = bmg160_spi_id,
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};
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module_spi_driver(bmg160_spi_driver);
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MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
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MODULE_LICENSE("GPL v2");
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MODULE_DESCRIPTION("BMG160 SPI Gyro driver");
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