// SPDX-License-Identifier: GPL-2.0-only /* * STMicroelectronics uvis25 i2c driver * * Copyright 2017 STMicroelectronics Inc. * * Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/i2c.h> #include <linux/slab.h> #include <linux/regmap.h> #include "st_uvis25.h" #define UVIS25_I2C_AUTO_INCREMENT BIT(7) static const struct regmap_config st_uvis25_i2c_regmap_config = { .reg_bits = 8, .val_bits = 8, .write_flag_mask = UVIS25_I2C_AUTO_INCREMENT, .read_flag_mask = UVIS25_I2C_AUTO_INCREMENT, }; static int st_uvis25_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct regmap *regmap; regmap = devm_regmap_init_i2c(client, &st_uvis25_i2c_regmap_config); if (IS_ERR(regmap)) { dev_err(&client->dev, "Failed to register i2c regmap %d\n", (int)PTR_ERR(regmap)); return PTR_ERR(regmap); } return st_uvis25_probe(&client->dev, client->irq, regmap); } static const struct of_device_id st_uvis25_i2c_of_match[] = { { .compatible = "st,uvis25", }, {}, }; MODULE_DEVICE_TABLE(of, st_uvis25_i2c_of_match); static const struct i2c_device_id st_uvis25_i2c_id_table[] = { { ST_UVIS25_DEV_NAME }, {}, }; MODULE_DEVICE_TABLE(i2c, st_uvis25_i2c_id_table); static struct i2c_driver st_uvis25_driver = { .driver = { .name = "st_uvis25_i2c", .pm = &st_uvis25_pm_ops, .of_match_table = of_match_ptr(st_uvis25_i2c_of_match), }, .probe = st_uvis25_i2c_probe, .id_table = st_uvis25_i2c_id_table, }; module_i2c_driver(st_uvis25_driver); MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>"); MODULE_DESCRIPTION("STMicroelectronics uvis25 i2c driver"); MODULE_LICENSE("GPL v2");