1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * ScioSense ENS160 multi-gas sensor I2C driver 4 * 5 * Copyright (c) 2024 Gustavo Silva <gustavograzs@gmail.com> 6 * 7 * 7-Bit I2C slave address is: 8 * - 0x52 if ADDR pin LOW 9 * - 0x53 if ADDR pin HIGH 10 */ 11 12 #include <linux/i2c.h> 13 #include <linux/module.h> 14 #include <linux/regmap.h> 15 16 #include "ens160.h" 17 18 static const struct regmap_config ens160_regmap_i2c_conf = { 19 .reg_bits = 8, 20 .val_bits = 8, 21 }; 22 23 static int ens160_i2c_probe(struct i2c_client *client) 24 { 25 struct regmap *regmap; 26 27 regmap = devm_regmap_init_i2c(client, &ens160_regmap_i2c_conf); 28 if (IS_ERR(regmap)) 29 return dev_err_probe(&client->dev, PTR_ERR(regmap), 30 "Failed to register i2c regmap\n"); 31 32 return devm_ens160_core_probe(&client->dev, regmap, client->irq, 33 "ens160"); 34 } 35 36 static const struct i2c_device_id ens160_i2c_id[] = { 37 { "ens160" }, 38 { } 39 }; 40 MODULE_DEVICE_TABLE(i2c, ens160_i2c_id); 41 42 static const struct of_device_id ens160_of_i2c_match[] = { 43 { .compatible = "sciosense,ens160" }, 44 { } 45 }; 46 MODULE_DEVICE_TABLE(of, ens160_of_i2c_match); 47 48 static struct i2c_driver ens160_i2c_driver = { 49 .driver = { 50 .name = "ens160", 51 .of_match_table = ens160_of_i2c_match, 52 .pm = pm_sleep_ptr(&ens160_pm_ops), 53 }, 54 .probe = ens160_i2c_probe, 55 .id_table = ens160_i2c_id, 56 }; 57 module_i2c_driver(ens160_i2c_driver); 58 59 MODULE_AUTHOR("Gustavo Silva <gustavograzs@gmail.com>"); 60 MODULE_DESCRIPTION("ScioSense ENS160 I2C driver"); 61 MODULE_LICENSE("GPL v2"); 62 MODULE_IMPORT_NS(IIO_ENS160); 63