1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Driver for NXP FXAS21002C Gyroscope - I2C 4 * 5 * Copyright (C) 2018 Linaro Ltd. 6 */ 7 8 #include <linux/err.h> 9 #include <linux/i2c.h> 10 #include <linux/mod_devicetable.h> 11 #include <linux/module.h> 12 #include <linux/regmap.h> 13 14 #include "fxas21002c.h" 15 16 static const struct regmap_config fxas21002c_regmap_i2c_conf = { 17 .reg_bits = 8, 18 .val_bits = 8, 19 .max_register = FXAS21002C_REG_CTRL3, 20 }; 21 22 static int fxas21002c_i2c_probe(struct i2c_client *i2c) 23 { 24 struct regmap *regmap; 25 26 regmap = devm_regmap_init_i2c(i2c, &fxas21002c_regmap_i2c_conf); 27 if (IS_ERR(regmap)) { 28 dev_err(&i2c->dev, "Failed to register i2c regmap: %ld\n", 29 PTR_ERR(regmap)); 30 return PTR_ERR(regmap); 31 } 32 33 return fxas21002c_core_probe(&i2c->dev, regmap, i2c->irq, i2c->name); 34 } 35 36 static void fxas21002c_i2c_remove(struct i2c_client *i2c) 37 { 38 fxas21002c_core_remove(&i2c->dev); 39 } 40 41 static const struct i2c_device_id fxas21002c_i2c_id[] = { 42 { "fxas21002c", 0 }, 43 { } 44 }; 45 MODULE_DEVICE_TABLE(i2c, fxas21002c_i2c_id); 46 47 static const struct of_device_id fxas21002c_i2c_of_match[] = { 48 { .compatible = "nxp,fxas21002c", }, 49 { } 50 }; 51 MODULE_DEVICE_TABLE(of, fxas21002c_i2c_of_match); 52 53 static struct i2c_driver fxas21002c_i2c_driver = { 54 .driver = { 55 .name = "fxas21002c_i2c", 56 .pm = &fxas21002c_pm_ops, 57 .of_match_table = fxas21002c_i2c_of_match, 58 }, 59 .probe_new = fxas21002c_i2c_probe, 60 .remove = fxas21002c_i2c_remove, 61 .id_table = fxas21002c_i2c_id, 62 }; 63 module_i2c_driver(fxas21002c_i2c_driver); 64 65 MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>"); 66 MODULE_LICENSE("GPL v2"); 67 MODULE_DESCRIPTION("FXAS21002C I2C Gyro driver"); 68