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1// SPDX-License-Identifier: GPL-2.0+2/*3 * I2C bus interface for ATC260x PMICs4 *5 * Copyright (C) 2019 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>6 * Copyright (C) 2020 Cristian Ciocaltea <cristian.ciocaltea@gmail.com>7 */8 9#include <linux/i2c.h>10#include <linux/mfd/atc260x/core.h>11#include <linux/module.h>12#include <linux/of.h>13#include <linux/regmap.h>14 15static int atc260x_i2c_probe(struct i2c_client *client)16{17 struct atc260x *atc260x;18 struct regmap_config regmap_cfg;19 int ret;20 21 atc260x = devm_kzalloc(&client->dev, sizeof(*atc260x), GFP_KERNEL);22 if (!atc260x)23 return -ENOMEM;24 25 atc260x->dev = &client->dev;26 atc260x->irq = client->irq;27 28 ret = atc260x_match_device(atc260x, ®map_cfg);29 if (ret)30 return ret;31 32 i2c_set_clientdata(client, atc260x);33 34 atc260x->regmap = devm_regmap_init_i2c(client, ®map_cfg);35 if (IS_ERR(atc260x->regmap)) {36 ret = PTR_ERR(atc260x->regmap);37 dev_err(&client->dev, "failed to init regmap: %d\n", ret);38 return ret;39 }40 41 return atc260x_device_probe(atc260x);42}43 44static const struct of_device_id atc260x_i2c_of_match[] = {45 { .compatible = "actions,atc2603c", .data = (void *)ATC2603C },46 { .compatible = "actions,atc2609a", .data = (void *)ATC2609A },47 { }48};49MODULE_DEVICE_TABLE(of, atc260x_i2c_of_match);50 51static struct i2c_driver atc260x_i2c_driver = {52 .driver = {53 .name = "atc260x",54 .of_match_table = atc260x_i2c_of_match,55 },56 .probe = atc260x_i2c_probe,57};58module_i2c_driver(atc260x_i2c_driver);59 60MODULE_DESCRIPTION("ATC260x PMICs I2C bus interface");61MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");62MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@gmail.com>");63MODULE_LICENSE("GPL");64