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iio: bmg160: Add SPI driver

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Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Markus Pargmann 2015-08-19 14:12:46 +02:00 committed by Jonathan Cameron
parent 13426454b6
commit b1d125cc62
3 changed files with 64 additions and 1 deletions
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7
drivers/iio/gyro/Kconfig
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@ -56,18 +56,23 @@ config BMG160
select IIO_BUFFER select IIO_BUFFER
select IIO_TRIGGERED_BUFFER select IIO_TRIGGERED_BUFFER
select BMG160_I2C if (I2C) select BMG160_I2C if (I2C)
select BMG160_SPI if (SPI)
help help
Say yes here to build support for BOSCH BMG160 Tri-axis Gyro Sensor Say yes here to build support for BOSCH BMG160 Tri-axis Gyro Sensor
driver connected via I2C or SPI. This driver also supports BMI055 driver connected via I2C or SPI. This driver also supports BMI055
gyroscope. gyroscope.
This driver can also be built as a module. If so, the module 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 config BMG160_I2C
tristate tristate
select REGMAP_I2C select REGMAP_I2C
config BMG160_SPI
tristate
select REGMAP_SPI
config HID_SENSOR_GYRO_3D config HID_SENSOR_GYRO_3D
depends on HID_SENSOR_HUB depends on HID_SENSOR_HUB
select IIO_BUFFER select IIO_BUFFER

1
drivers/iio/gyro/Makefile
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@ -10,6 +10,7 @@ obj-$(CONFIG_ADIS16260) += adis16260.o
obj-$(CONFIG_ADXRS450) += adxrs450.o obj-$(CONFIG_ADXRS450) += adxrs450.o
obj-$(CONFIG_BMG160) += bmg160_core.o obj-$(CONFIG_BMG160) += bmg160_core.o
obj-$(CONFIG_BMG160_I2C) += bmg160_i2c.o obj-$(CONFIG_BMG160_I2C) += bmg160_i2c.o
obj-$(CONFIG_BMG160_SPI) += bmg160_spi.o
obj-$(CONFIG_HID_SENSOR_GYRO_3D) += hid-sensor-gyro-3d.o obj-$(CONFIG_HID_SENSOR_GYRO_3D) += hid-sensor-gyro-3d.o

57
drivers/iio/gyro/bmg160_spi.c Normal file
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@ -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");