64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* I2C bus interface for ATC260x PMICs
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*
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* Copyright (C) 2019 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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* Copyright (C) 2020 Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
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*/
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#include <linux/i2c.h>
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#include <linux/mfd/atc260x/core.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/regmap.h>
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static int atc260x_i2c_probe(struct i2c_client *client)
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{
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struct atc260x *atc260x;
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struct regmap_config regmap_cfg;
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int ret;
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atc260x = devm_kzalloc(&client->dev, sizeof(*atc260x), GFP_KERNEL);
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if (!atc260x)
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return -ENOMEM;
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atc260x->dev = &client->dev;
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atc260x->irq = client->irq;
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ret = atc260x_match_device(atc260x, ®map_cfg);
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if (ret)
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return ret;
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i2c_set_clientdata(client, atc260x);
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atc260x->regmap = devm_regmap_init_i2c(client, ®map_cfg);
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if (IS_ERR(atc260x->regmap)) {
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ret = PTR_ERR(atc260x->regmap);
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dev_err(&client->dev, "failed to init regmap: %d\n", ret);
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return ret;
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}
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return atc260x_device_probe(atc260x);
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}
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static const struct of_device_id atc260x_i2c_of_match[] = {
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{ .compatible = "actions,atc2603c", .data = (void *)ATC2603C },
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{ .compatible = "actions,atc2609a", .data = (void *)ATC2609A },
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{ }
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};
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MODULE_DEVICE_TABLE(of, atc260x_i2c_of_match);
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static struct i2c_driver atc260x_i2c_driver = {
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.driver = {
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.name = "atc260x",
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.of_match_table = of_match_ptr(atc260x_i2c_of_match),
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},
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.probe_new = atc260x_i2c_probe,
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};
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module_i2c_driver(atc260x_i2c_driver);
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MODULE_DESCRIPTION("ATC260x PMICs I2C bus interface");
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MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");
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MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@gmail.com>");
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MODULE_LICENSE("GPL");
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