diff options
Diffstat (limited to 'drivers/iio/accel')
| -rw-r--r-- | drivers/iio/accel/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/iio/accel/Makefile | 1 | ||||
| -rw-r--r-- | drivers/iio/accel/kxsd9-i2c.c | 63 |
3 files changed, 75 insertions, 1 deletions
diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index eebc20d6c827..8824400d4911 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -121,7 +121,7 @@ config KXSD9 tristate "Kionix KXSD9 Accelerometer Driver" help Say yes here to build support for the Kionix KXSD9 accelerometer. - Currently this only supports the device via an SPI interface. + It can be accessed using an (optional) SPI or I2C interface. To compile this driver as a module, choose M here: the module will be called kxsd9. @@ -136,6 +136,16 @@ config KXSD9_SPI Say yes here to enable the Kionix KXSD9 accelerometer SPI transport channel. +config KXSD9_I2C + tristate "Kionix KXSD9 I2C transport" + depends on KXSD9 + depends on I2C + default KXSD9 + select REGMAP_I2C + help + Say yes here to enable the Kionix KXSD9 accelerometer + I2C transport channel. + config KXCJK1013 tristate "Kionix 3-Axis Accelerometer Driver" depends on I2C diff --git a/drivers/iio/accel/Makefile b/drivers/iio/accel/Makefile index 2fe41d7ffb6e..b5c2a0b5550f 100644 --- a/drivers/iio/accel/Makefile +++ b/drivers/iio/accel/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_HID_SENSOR_ACCEL_3D) += hid-sensor-accel-3d.o obj-$(CONFIG_KXCJK1013) += kxcjk-1013.o obj-$(CONFIG_KXSD9) += kxsd9.o obj-$(CONFIG_KXSD9_SPI) += kxsd9-spi.o +obj-$(CONFIG_KXSD9_I2C) += kxsd9-i2c.o obj-$(CONFIG_MMA7455) += mma7455_core.o obj-$(CONFIG_MMA7455_I2C) += mma7455_i2c.o diff --git a/drivers/iio/accel/kxsd9-i2c.c b/drivers/iio/accel/kxsd9-i2c.c new file mode 100644 index 000000000000..4aaa27d0aa32 --- /dev/null +++ b/drivers/iio/accel/kxsd9-i2c.c @@ -0,0 +1,63 @@ +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/delay.h> +#include <linux/regmap.h> + +#include "kxsd9.h" + +static int kxsd9_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + static const struct regmap_config config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0x0e, + }; + struct regmap *regmap; + + regmap = devm_regmap_init_i2c(i2c, &config); + if (IS_ERR(regmap)) { + dev_err(&i2c->dev, "Failed to register i2c regmap %d\n", + (int)PTR_ERR(regmap)); + return PTR_ERR(regmap); + } + + return kxsd9_common_probe(&i2c->dev, + regmap, + i2c->name); +} + +static int kxsd9_i2c_remove(struct i2c_client *client) +{ + return kxsd9_common_remove(&client->dev); +} + +#ifdef CONFIG_OF +static const struct of_device_id kxsd9_of_match[] = { + { .compatible = "kionix,kxsd9", }, + { }, +}; +MODULE_DEVICE_TABLE(of, kxsd9_of_match); +#else +#define kxsd9_of_match NULL +#endif + +static const struct i2c_device_id kxsd9_i2c_id[] = { + {"kxsd9", 0}, + { }, +}; +MODULE_DEVICE_TABLE(i2c, kxsd9_i2c_id); + +static struct i2c_driver kxsd9_i2c_driver = { + .driver = { + .name = "kxsd9", + .of_match_table = of_match_ptr(kxsd9_of_match), + }, + .probe = kxsd9_i2c_probe, + .remove = kxsd9_i2c_remove, + .id_table = kxsd9_i2c_id, +}; +module_i2c_driver(kxsd9_i2c_driver); |