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/regmap.h> 16 17 #include "st_lsm6dsx.h" 18 19 static const struct regmap_config st_lsm6dsx_i2c_regmap_config = { 20 .reg_bits = 8, 21 .val_bits = 8, 22 }; 23 24 static int st_lsm6dsx_i2c_probe(struct i2c_client *client, 25 const struct i2c_device_id *id) 26 { 27 int hw_id = id->driver_data; 28 struct regmap *regmap; 29 30 regmap = devm_regmap_init_i2c(client, &st_lsm6dsx_i2c_regmap_config); 31 if (IS_ERR(regmap)) { 32 dev_err(&client->dev, "Failed to register i2c regmap %ld\n", PTR_ERR(regmap)); 33 return PTR_ERR(regmap); 34 } 35 36 return st_lsm6dsx_probe(&client->dev, client->irq, hw_id, regmap); 37 } 38 39 static const struct of_device_id st_lsm6dsx_i2c_of_match[] = { 40 { 41 .compatible = "st,lsm6ds3", 42 .data = (void *)ST_LSM6DS3_ID, 43 }, 44 { 45 .compatible = "st,lsm6ds3h", 46 .data = (void *)ST_LSM6DS3H_ID, 47 }, 48 { 49 .compatible = "st,lsm6dsl", 50 .data = (void *)ST_LSM6DSL_ID, 51 }, 52 { 53 .compatible = "st,lsm6dsm", 54 .data = (void *)ST_LSM6DSM_ID, 55 }, 56 { 57 .compatible = "st,ism330dlc", 58 .data = (void *)ST_ISM330DLC_ID, 59 }, 60 { 61 .compatible = "st,lsm6dso", 62 .data = (void *)ST_LSM6DSO_ID, 63 }, 64 { 65 .compatible = "st,asm330lhh", 66 .data = (void *)ST_ASM330LHH_ID, 67 }, 68 { 69 .compatible = "st,lsm6dsox", 70 .data = (void *)ST_LSM6DSOX_ID, 71 }, 72 { 73 .compatible = "st,lsm6dsr", 74 .data = (void *)ST_LSM6DSR_ID, 75 }, 76 { 77 .compatible = "st,lsm6ds3tr-c", 78 .data = (void *)ST_LSM6DS3TRC_ID, 79 }, 80 { 81 .compatible = "st,ism330dhcx", 82 .data = (void *)ST_ISM330DHCX_ID, 83 }, 84 { 85 .compatible = "st,lsm9ds1-imu", 86 .data = (void *)ST_LSM9DS1_ID, 87 }, 88 { 89 .compatible = "st,lsm6ds0", 90 .data = (void *)ST_LSM6DS0_ID, 91 }, 92 { 93 .compatible = "st,lsm6dsrx", 94 .data = (void *)ST_LSM6DSRX_ID, 95 }, 96 { 97 .compatible = "st,lsm6dst", 98 .data = (void *)ST_LSM6DST_ID, 99 }, 100 { 101 .compatible = "st,lsm6dsop", 102 .data = (void *)ST_LSM6DSOP_ID, 103 }, 104 { 105 .compatible = "st,asm330lhhx", 106 .data = (void *)ST_ASM330LHHX_ID, 107 }, 108 { 109 .compatible = "st,lsm6dstx", 110 .data = (void *)ST_LSM6DSTX_ID, 111 }, 112 {}, 113 }; 114 MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match); 115 116 static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = { 117 { ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID }, 118 { ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID }, 119 { ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID }, 120 { ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID }, 121 { ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID }, 122 { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID }, 123 { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID }, 124 { ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID }, 125 { ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID }, 126 { ST_LSM6DS3TRC_DEV_NAME, ST_LSM6DS3TRC_ID }, 127 { ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID }, 128 { ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID }, 129 { ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID }, 130 { ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID }, 131 { ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID }, 132 { ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID }, 133 { ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID }, 134 { ST_LSM6DSTX_DEV_NAME, ST_LSM6DSTX_ID }, 135 {}, 136 }; 137 MODULE_DEVICE_TABLE(i2c, st_lsm6dsx_i2c_id_table); 138 139 static struct i2c_driver st_lsm6dsx_driver = { 140 .driver = { 141 .name = "st_lsm6dsx_i2c", 142 .pm = pm_sleep_ptr(&st_lsm6dsx_pm_ops), 143 .of_match_table = st_lsm6dsx_i2c_of_match, 144 }, 145 .probe = st_lsm6dsx_i2c_probe, 146 .id_table = st_lsm6dsx_i2c_id_table, 147 }; 148 module_i2c_driver(st_lsm6dsx_driver); 149 150 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>"); 151 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); 152 MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx i2c driver"); 153 MODULE_LICENSE("GPL v2"); 154 MODULE_IMPORT_NS(IIO_LSM6DSX); 155