18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Driver for NXP FXAS21002C Gyroscope - I2C 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (C) 2018 Linaro Ltd. 68c2ecf20Sopenharmony_ci */ 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci#include <linux/err.h> 98c2ecf20Sopenharmony_ci#include <linux/i2c.h> 108c2ecf20Sopenharmony_ci#include <linux/mod_devicetable.h> 118c2ecf20Sopenharmony_ci#include <linux/module.h> 128c2ecf20Sopenharmony_ci#include <linux/regmap.h> 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ci#include "fxas21002c.h" 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_cistatic const struct regmap_config fxas21002c_regmap_i2c_conf = { 178c2ecf20Sopenharmony_ci .reg_bits = 8, 188c2ecf20Sopenharmony_ci .val_bits = 8, 198c2ecf20Sopenharmony_ci .max_register = FXAS21002C_REG_CTRL3, 208c2ecf20Sopenharmony_ci}; 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_cistatic int fxas21002c_i2c_probe(struct i2c_client *i2c) 238c2ecf20Sopenharmony_ci{ 248c2ecf20Sopenharmony_ci struct regmap *regmap; 258c2ecf20Sopenharmony_ci 268c2ecf20Sopenharmony_ci regmap = devm_regmap_init_i2c(i2c, &fxas21002c_regmap_i2c_conf); 278c2ecf20Sopenharmony_ci if (IS_ERR(regmap)) { 288c2ecf20Sopenharmony_ci dev_err(&i2c->dev, "Failed to register i2c regmap: %ld\n", 298c2ecf20Sopenharmony_ci PTR_ERR(regmap)); 308c2ecf20Sopenharmony_ci return PTR_ERR(regmap); 318c2ecf20Sopenharmony_ci } 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ci return fxas21002c_core_probe(&i2c->dev, regmap, i2c->irq, i2c->name); 348c2ecf20Sopenharmony_ci} 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_cistatic int fxas21002c_i2c_remove(struct i2c_client *i2c) 378c2ecf20Sopenharmony_ci{ 388c2ecf20Sopenharmony_ci fxas21002c_core_remove(&i2c->dev); 398c2ecf20Sopenharmony_ci 408c2ecf20Sopenharmony_ci return 0; 418c2ecf20Sopenharmony_ci} 428c2ecf20Sopenharmony_ci 438c2ecf20Sopenharmony_cistatic const struct i2c_device_id fxas21002c_i2c_id[] = { 448c2ecf20Sopenharmony_ci { "fxas21002c", 0 }, 458c2ecf20Sopenharmony_ci { } 468c2ecf20Sopenharmony_ci}; 478c2ecf20Sopenharmony_ciMODULE_DEVICE_TABLE(i2c, fxas21002c_i2c_id); 488c2ecf20Sopenharmony_ci 498c2ecf20Sopenharmony_cistatic const struct of_device_id fxas21002c_i2c_of_match[] = { 508c2ecf20Sopenharmony_ci { .compatible = "nxp,fxas21002c", }, 518c2ecf20Sopenharmony_ci { } 528c2ecf20Sopenharmony_ci}; 538c2ecf20Sopenharmony_ciMODULE_DEVICE_TABLE(of, fxas21002c_i2c_of_match); 548c2ecf20Sopenharmony_ci 558c2ecf20Sopenharmony_cistatic struct i2c_driver fxas21002c_i2c_driver = { 568c2ecf20Sopenharmony_ci .driver = { 578c2ecf20Sopenharmony_ci .name = "fxas21002c_i2c", 588c2ecf20Sopenharmony_ci .pm = &fxas21002c_pm_ops, 598c2ecf20Sopenharmony_ci .of_match_table = fxas21002c_i2c_of_match, 608c2ecf20Sopenharmony_ci }, 618c2ecf20Sopenharmony_ci .probe_new = fxas21002c_i2c_probe, 628c2ecf20Sopenharmony_ci .remove = fxas21002c_i2c_remove, 638c2ecf20Sopenharmony_ci .id_table = fxas21002c_i2c_id, 648c2ecf20Sopenharmony_ci}; 658c2ecf20Sopenharmony_cimodule_i2c_driver(fxas21002c_i2c_driver); 668c2ecf20Sopenharmony_ci 678c2ecf20Sopenharmony_ciMODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>"); 688c2ecf20Sopenharmony_ciMODULE_LICENSE("GPL v2"); 698c2ecf20Sopenharmony_ciMODULE_DESCRIPTION("FXAS21002C I2C Gyro driver"); 70