diff options
Diffstat (limited to 'drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c')
| -rw-r--r-- | drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c new file mode 100644 index 0000000000..911444ec57 --- /dev/null +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c @@ -0,0 +1,191 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * STMicroelectronics st_lsm6dsx i2c driver + * + * Copyright 2016 STMicroelectronics Inc. + * + * Lorenzo Bianconi <lorenzo.bianconi@st.com> + * Denis Ciocca <denis.ciocca@st.com> + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/slab.h> +#include <linux/regmap.h> + +#include "st_lsm6dsx.h" + +static const struct regmap_config st_lsm6dsx_i2c_regmap_config = { + .reg_bits = 8, + .val_bits = 8, +}; + +static int st_lsm6dsx_i2c_probe(struct i2c_client *client) +{ + int hw_id; + struct regmap *regmap; + + hw_id = (kernel_ulong_t)device_get_match_data(&client->dev); + if (!hw_id) + hw_id = i2c_client_get_device_id(client)->driver_data; + if (!hw_id) + return -EINVAL; + + regmap = devm_regmap_init_i2c(client, &st_lsm6dsx_i2c_regmap_config); + if (IS_ERR(regmap)) { + dev_err(&client->dev, "Failed to register i2c regmap %ld\n", PTR_ERR(regmap)); + return PTR_ERR(regmap); + } + + return st_lsm6dsx_probe(&client->dev, client->irq, hw_id, regmap); +} + +static const struct of_device_id st_lsm6dsx_i2c_of_match[] = { + { + .compatible = "st,lsm6ds3", + .data = (void *)ST_LSM6DS3_ID, + }, + { + .compatible = "st,lsm6ds3h", + .data = (void *)ST_LSM6DS3H_ID, + }, + { + .compatible = "st,lsm6dsl", + .data = (void *)ST_LSM6DSL_ID, + }, + { + .compatible = "st,lsm6dsm", + .data = (void *)ST_LSM6DSM_ID, + }, + { + .compatible = "st,ism330dlc", + .data = (void *)ST_ISM330DLC_ID, + }, + { + .compatible = "st,lsm6dso", + .data = (void *)ST_LSM6DSO_ID, + }, + { + .compatible = "st,asm330lhh", + .data = (void *)ST_ASM330LHH_ID, + }, + { + .compatible = "st,lsm6dsox", + .data = (void *)ST_LSM6DSOX_ID, + }, + { + .compatible = "st,lsm6dsr", + .data = (void *)ST_LSM6DSR_ID, + }, + { + .compatible = "st,lsm6ds3tr-c", + .data = (void *)ST_LSM6DS3TRC_ID, + }, + { + .compatible = "st,ism330dhcx", + .data = (void *)ST_ISM330DHCX_ID, + }, + { + .compatible = "st,lsm9ds1-imu", + .data = (void *)ST_LSM9DS1_ID, + }, + { + .compatible = "st,lsm6ds0", + .data = (void *)ST_LSM6DS0_ID, + }, + { + .compatible = "st,lsm6dsrx", + .data = (void *)ST_LSM6DSRX_ID, + }, + { + .compatible = "st,lsm6dst", + .data = (void *)ST_LSM6DST_ID, + }, + { + .compatible = "st,lsm6dsop", + .data = (void *)ST_LSM6DSOP_ID, + }, + { + .compatible = "st,asm330lhhx", + .data = (void *)ST_ASM330LHHX_ID, + }, + { + .compatible = "st,lsm6dstx", + .data = (void *)ST_LSM6DSTX_ID, + }, + { + .compatible = "st,lsm6dsv", + .data = (void *)ST_LSM6DSV_ID, + }, + { + .compatible = "st,lsm6dsv16x", + .data = (void *)ST_LSM6DSV16X_ID, + }, + { + .compatible = "st,lsm6dso16is", + .data = (void *)ST_LSM6DSO16IS_ID, + }, + { + .compatible = "st,ism330is", + .data = (void *)ST_ISM330IS_ID, + }, + { + .compatible = "st,asm330lhb", + .data = (void *)ST_ASM330LHB_ID, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match); + +static const struct acpi_device_id st_lsm6dsx_i2c_acpi_match[] = { + { "SMO8B30", ST_LSM6DS3TRC_ID, }, + {} +}; +MODULE_DEVICE_TABLE(acpi, st_lsm6dsx_i2c_acpi_match); + +static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = { + { ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID }, + { ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID }, + { ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID }, + { ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID }, + { ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID }, + { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID }, + { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID }, + { ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID }, + { ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID }, + { ST_LSM6DS3TRC_DEV_NAME, ST_LSM6DS3TRC_ID }, + { ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID }, + { ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID }, + { ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID }, + { ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID }, + { ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID }, + { ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID }, + { ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID }, + { ST_LSM6DSTX_DEV_NAME, ST_LSM6DSTX_ID }, + { ST_LSM6DSV_DEV_NAME, ST_LSM6DSV_ID }, + { ST_LSM6DSV16X_DEV_NAME, ST_LSM6DSV16X_ID }, + { ST_LSM6DSO16IS_DEV_NAME, ST_LSM6DSO16IS_ID }, + { ST_ISM330IS_DEV_NAME, ST_ISM330IS_ID }, + { ST_ASM330LHB_DEV_NAME, ST_ASM330LHB_ID }, + {}, +}; +MODULE_DEVICE_TABLE(i2c, st_lsm6dsx_i2c_id_table); + +static struct i2c_driver st_lsm6dsx_driver = { + .driver = { + .name = "st_lsm6dsx_i2c", + .pm = pm_sleep_ptr(&st_lsm6dsx_pm_ops), + .of_match_table = st_lsm6dsx_i2c_of_match, + .acpi_match_table = st_lsm6dsx_i2c_acpi_match, + }, + .probe = st_lsm6dsx_i2c_probe, + .id_table = st_lsm6dsx_i2c_id_table, +}; +module_i2c_driver(st_lsm6dsx_driver); + +MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>"); +MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); +MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx i2c driver"); +MODULE_LICENSE("GPL v2"); +MODULE_IMPORT_NS(IIO_LSM6DSX); |