1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * FXOS8700 - NXP IMU, I2C bits 4 * 5 * 7-bit I2C slave address determined by SA1 and SA0 logic level 6 * inputs represented in the following table: 7 * SA1 | SA0 | Slave Address 8 * 0 | 0 | 0x1E 9 * 0 | 1 | 0x1D 10 * 1 | 0 | 0x1C 11 * 1 | 1 | 0x1F 12 */ 13 #include <linux/acpi.h> 14 #include <linux/i2c.h> 15 #include <linux/module.h> 16 #include <linux/mod_devicetable.h> 17 #include <linux/regmap.h> 18 19 #include "fxos8700.h" 20 21 static int fxos8700_i2c_probe(struct i2c_client *client) 22 { 23 const struct i2c_device_id *id = i2c_client_get_device_id(client); 24 struct regmap *regmap; 25 const char *name = NULL; 26 27 regmap = devm_regmap_init_i2c(client, &fxos8700_regmap_config); 28 if (IS_ERR(regmap)) { 29 dev_err(&client->dev, "Failed to register i2c regmap %ld\n", PTR_ERR(regmap)); 30 return PTR_ERR(regmap); 31 } 32 33 if (id) 34 name = id->name; 35 36 return fxos8700_core_probe(&client->dev, regmap, name, false); 37 } 38 39 static const struct i2c_device_id fxos8700_i2c_id[] = { 40 {"fxos8700", 0}, 41 { } 42 }; 43 MODULE_DEVICE_TABLE(i2c, fxos8700_i2c_id); 44 45 static const struct acpi_device_id fxos8700_acpi_match[] = { 46 {"FXOS8700", 0}, 47 { } 48 }; 49 MODULE_DEVICE_TABLE(acpi, fxos8700_acpi_match); 50 51 static const struct of_device_id fxos8700_of_match[] = { 52 { .compatible = "nxp,fxos8700" }, 53 { } 54 }; 55 MODULE_DEVICE_TABLE(of, fxos8700_of_match); 56 57 static struct i2c_driver fxos8700_i2c_driver = { 58 .driver = { 59 .name = "fxos8700_i2c", 60 .acpi_match_table = ACPI_PTR(fxos8700_acpi_match), 61 .of_match_table = fxos8700_of_match, 62 }, 63 .probe = fxos8700_i2c_probe, 64 .id_table = fxos8700_i2c_id, 65 }; 66 module_i2c_driver(fxos8700_i2c_driver); 67 68 MODULE_AUTHOR("Robert Jones <rjones@gateworks.com>"); 69 MODULE_DESCRIPTION("FXOS8700 I2C driver"); 70 MODULE_LICENSE("GPL v2"); 71