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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/iio/gyro/st_gyro_i2c.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/iio/gyro/st_gyro_i2c.c')
-rw-r--r-- | drivers/iio/gyro/st_gyro_i2c.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/iio/gyro/st_gyro_i2c.c b/drivers/iio/gyro/st_gyro_i2c.c new file mode 100644 index 000000000..b405b82b9 --- /dev/null +++ b/drivers/iio/gyro/st_gyro_i2c.c @@ -0,0 +1,124 @@ +/* + * STMicroelectronics gyroscopes driver + * + * Copyright 2012-2013 STMicroelectronics Inc. + * + * Denis Ciocca <denis.ciocca@st.com> + * + * Licensed under the GPL-2. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/iio/iio.h> + +#include <linux/iio/common/st_sensors.h> +#include <linux/iio/common/st_sensors_i2c.h> +#include "st_gyro.h" + +#ifdef CONFIG_OF +static const struct of_device_id st_gyro_of_match[] = { + { + .compatible = "st,l3g4200d-gyro", + .data = L3G4200D_GYRO_DEV_NAME, + }, + { + .compatible = "st,lsm330d-gyro", + .data = LSM330D_GYRO_DEV_NAME, + }, + { + .compatible = "st,lsm330dl-gyro", + .data = LSM330DL_GYRO_DEV_NAME, + }, + { + .compatible = "st,lsm330dlc-gyro", + .data = LSM330DLC_GYRO_DEV_NAME, + }, + { + .compatible = "st,l3gd20-gyro", + .data = L3GD20_GYRO_DEV_NAME, + }, + { + .compatible = "st,l3gd20h-gyro", + .data = L3GD20H_GYRO_DEV_NAME, + }, + { + .compatible = "st,l3g4is-gyro", + .data = L3G4IS_GYRO_DEV_NAME, + }, + { + .compatible = "st,lsm330-gyro", + .data = LSM330_GYRO_DEV_NAME, + }, + { + .compatible = "st,lsm9ds0-gyro", + .data = LSM9DS0_GYRO_DEV_NAME, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, st_gyro_of_match); +#else +#define st_gyro_of_match NULL +#endif + +static int st_gyro_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct iio_dev *indio_dev; + struct st_sensor_data *gdata; + int err; + + indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*gdata)); + if (!indio_dev) + return -ENOMEM; + + gdata = iio_priv(indio_dev); + st_sensors_of_name_probe(&client->dev, st_gyro_of_match, + client->name, sizeof(client->name)); + + st_sensors_i2c_configure(indio_dev, client, gdata); + + err = st_gyro_common_probe(indio_dev); + if (err < 0) + return err; + + return 0; +} + +static int st_gyro_i2c_remove(struct i2c_client *client) +{ + st_gyro_common_remove(i2c_get_clientdata(client)); + + return 0; +} + +static const struct i2c_device_id st_gyro_id_table[] = { + { L3G4200D_GYRO_DEV_NAME }, + { LSM330D_GYRO_DEV_NAME }, + { LSM330DL_GYRO_DEV_NAME }, + { LSM330DLC_GYRO_DEV_NAME }, + { L3GD20_GYRO_DEV_NAME }, + { L3GD20H_GYRO_DEV_NAME }, + { L3G4IS_GYRO_DEV_NAME }, + { LSM330_GYRO_DEV_NAME }, + { LSM9DS0_GYRO_DEV_NAME }, + {}, +}; +MODULE_DEVICE_TABLE(i2c, st_gyro_id_table); + +static struct i2c_driver st_gyro_driver = { + .driver = { + .name = "st-gyro-i2c", + .of_match_table = of_match_ptr(st_gyro_of_match), + }, + .probe = st_gyro_i2c_probe, + .remove = st_gyro_i2c_remove, + .id_table = st_gyro_id_table, +}; +module_i2c_driver(st_gyro_driver); + +MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); +MODULE_DESCRIPTION("STMicroelectronics gyroscopes i2c driver"); +MODULE_LICENSE("GPL v2"); |