1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * STMicroelectronics st_lsm6dsx i2c driver 4 * 5 * Copyright 2016 STMicroelectronics Inc. 6 * 7 * Lorenzo Bianconi <lorenzo.bianconi@st.com> 8 * Denis Ciocca <denis.ciocca@st.com> 9 */ 10 11 #include <linux/kernel.h> 12 #include <linux/module.h> 13 #include <linux/i2c.h> 14 #include <linux/slab.h> 15 #include <linux/of.h> 16 #include <linux/regmap.h> 17 18 #include "st_lsm6dsx.h" 19 20 static const struct regmap_config st_lsm6dsx_i2c_regmap_config = { 21 .reg_bits = 8, 22 .val_bits = 8, 23 }; 24 25 static int st_lsm6dsx_i2c_probe(struct i2c_client *client, 26 const struct i2c_device_id *id) 27 { 28 int hw_id = id->driver_data; 29 struct regmap *regmap; 30 31 regmap = devm_regmap_init_i2c(client, &st_lsm6dsx_i2c_regmap_config); 32 if (IS_ERR(regmap)) { 33 dev_err(&client->dev, "Failed to register i2c regmap %d\n", 34 (int)PTR_ERR(regmap)); 35 return PTR_ERR(regmap); 36 } 37 38 return st_lsm6dsx_probe(&client->dev, client->irq, 39 hw_id, id->name, regmap); 40 } 41 42 static const struct of_device_id st_lsm6dsx_i2c_of_match[] = { 43 { 44 .compatible = "st,lsm6ds3", 45 .data = (void *)ST_LSM6DS3_ID, 46 }, 47 { 48 .compatible = "st,lsm6ds3h", 49 .data = (void *)ST_LSM6DS3H_ID, 50 }, 51 { 52 .compatible = "st,lsm6dsl", 53 .data = (void *)ST_LSM6DSL_ID, 54 }, 55 { 56 .compatible = "st,lsm6dsm", 57 .data = (void *)ST_LSM6DSM_ID, 58 }, 59 { 60 .compatible = "st,ism330dlc", 61 .data = (void *)ST_ISM330DLC_ID, 62 }, 63 { 64 .compatible = "st,lsm6dso", 65 .data = (void *)ST_LSM6DSO_ID, 66 }, 67 { 68 .compatible = "st,asm330lhh", 69 .data = (void *)ST_ASM330LHH_ID, 70 }, 71 { 72 .compatible = "st,lsm6dsox", 73 .data = (void *)ST_LSM6DSOX_ID, 74 }, 75 { 76 .compatible = "st,lsm6dsr", 77 .data = (void *)ST_LSM6DSR_ID, 78 }, 79 {}, 80 }; 81 MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match); 82 83 static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = { 84 { ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID }, 85 { ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID }, 86 { ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID }, 87 { ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID }, 88 { ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID }, 89 { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID }, 90 { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID }, 91 { ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID }, 92 { ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID }, 93 {}, 94 }; 95 MODULE_DEVICE_TABLE(i2c, st_lsm6dsx_i2c_id_table); 96 97 static struct i2c_driver st_lsm6dsx_driver = { 98 .driver = { 99 .name = "st_lsm6dsx_i2c", 100 .pm = &st_lsm6dsx_pm_ops, 101 .of_match_table = of_match_ptr(st_lsm6dsx_i2c_of_match), 102 }, 103 .probe = st_lsm6dsx_i2c_probe, 104 .id_table = st_lsm6dsx_i2c_id_table, 105 }; 106 module_i2c_driver(st_lsm6dsx_driver); 107 108 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>"); 109 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); 110 MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx i2c driver"); 111 MODULE_LICENSE("GPL v2"); 112