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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * STMicroelectronics uvis25 i2c driver4 *5 * Copyright 2017 STMicroelectronics Inc.6 *7 * Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>8 */9 10#include <linux/kernel.h>11#include <linux/module.h>12#include <linux/mod_devicetable.h>13#include <linux/i2c.h>14#include <linux/slab.h>15#include <linux/regmap.h>16 17#include "st_uvis25.h"18 19#define UVIS25_I2C_AUTO_INCREMENT BIT(7)20 21static const struct regmap_config st_uvis25_i2c_regmap_config = {22 .reg_bits = 8,23 .val_bits = 8,24 .write_flag_mask = UVIS25_I2C_AUTO_INCREMENT,25 .read_flag_mask = UVIS25_I2C_AUTO_INCREMENT,26};27 28static int st_uvis25_i2c_probe(struct i2c_client *client)29{30 struct regmap *regmap;31 32 regmap = devm_regmap_init_i2c(client, &st_uvis25_i2c_regmap_config);33 if (IS_ERR(regmap)) {34 dev_err(&client->dev, "Failed to register i2c regmap %ld\n",35 PTR_ERR(regmap));36 return PTR_ERR(regmap);37 }38 39 return st_uvis25_probe(&client->dev, client->irq, regmap);40}41 42static const struct of_device_id st_uvis25_i2c_of_match[] = {43 { .compatible = "st,uvis25", },44 {},45};46MODULE_DEVICE_TABLE(of, st_uvis25_i2c_of_match);47 48static const struct i2c_device_id st_uvis25_i2c_id_table[] = {49 { ST_UVIS25_DEV_NAME },50 {},51};52MODULE_DEVICE_TABLE(i2c, st_uvis25_i2c_id_table);53 54static struct i2c_driver st_uvis25_driver = {55 .driver = {56 .name = "st_uvis25_i2c",57 .pm = pm_sleep_ptr(&st_uvis25_pm_ops),58 .of_match_table = st_uvis25_i2c_of_match,59 },60 .probe = st_uvis25_i2c_probe,61 .id_table = st_uvis25_i2c_id_table,62};63module_i2c_driver(st_uvis25_driver);64 65MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");66MODULE_DESCRIPTION("STMicroelectronics uvis25 i2c driver");67MODULE_LICENSE("GPL v2");68MODULE_IMPORT_NS(IIO_UVIS25);69