imu/st_lsm6dsx/st_lsm6dsx_i3c.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003  * Copyright (c) 2018 Synopsys, Inc. and/or its affiliates.
0004  *
0005  * Author: Vitor Soares <vitor.soares@synopsys.com>
0006  */
0007
0008 #include <linux/kernel.h>
0009 #include <linux/mod_devicetable.h>
0010 #include <linux/module.h>
0011 #include <linux/i3c/device.h>
0012 #include <linux/i3c/master.h>
0013 #include <linux/slab.h>
0014 #include <linux/regmap.h>
0015
0016 #include "st_lsm6dsx.h"
0017
0018 static const struct i3c_device_id st_lsm6dsx_i3c_ids[] = {
0019     I3C_DEVICE(0x0104, 0x006C, (void *)ST_LSM6DSO_ID),
0020     I3C_DEVICE(0x0104, 0x006B, (void *)ST_LSM6DSR_ID),
0021     { /* sentinel */ },
0022 };
0023 MODULE_DEVICE_TABLE(i3c, st_lsm6dsx_i3c_ids);
0024
0025 static int st_lsm6dsx_i3c_probe(struct i3c_device *i3cdev)
0026 {
0027     struct regmap_config st_lsm6dsx_i3c_regmap_config = {
0028         .reg_bits = 8,
0029         .val_bits = 8,
0030     };
0031     const struct i3c_device_id *id = i3c_device_match_id(i3cdev,
0032                                 st_lsm6dsx_i3c_ids);
0033     struct regmap *regmap;
0034
0035     regmap = devm_regmap_init_i3c(i3cdev, &st_lsm6dsx_i3c_regmap_config);
0036     if (IS_ERR(regmap)) {
0037         dev_err(&i3cdev->dev, "Failed to register i3c regmap %ld\n", PTR_ERR(regmap));
0038         return PTR_ERR(regmap);
0039     }
0040
0041     return st_lsm6dsx_probe(&i3cdev->dev, 0, (uintptr_t)id->data, regmap);
0042 }
0043
0044 static struct i3c_driver st_lsm6dsx_driver = {
0045     .driver = {
0046         .name = "st_lsm6dsx_i3c",
0047         .pm = pm_sleep_ptr(&st_lsm6dsx_pm_ops),
0048     },
0049     .probe = st_lsm6dsx_i3c_probe,
0050     .id_table = st_lsm6dsx_i3c_ids,
0051 };
0052 module_i3c_driver(st_lsm6dsx_driver);
0053
0054 MODULE_AUTHOR("Vitor Soares <vitor.soares@synopsys.com>");
0055 MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx i3c driver");
0056 MODULE_LICENSE("GPL v2");
0057 MODULE_IMPORT_NS(IIO_LSM6DSX);