65 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
 | |
| /*
 | |
|  * I2C bus interface for ATC260x PMICs
 | |
|  *
 | |
|  * Copyright (C) 2019 Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
 | |
|  * Copyright (C) 2020 Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
 | |
|  */
 | |
| 
 | |
| #include <linux/i2c.h>
 | |
| #include <linux/mfd/atc260x/core.h>
 | |
| #include <linux/module.h>
 | |
| #include <linux/of.h>
 | |
| #include <linux/regmap.h>
 | |
| 
 | |
| static int atc260x_i2c_probe(struct i2c_client *client,
 | |
| 			     const struct i2c_device_id *id)
 | |
| {
 | |
| 	struct atc260x *atc260x;
 | |
| 	struct regmap_config regmap_cfg;
 | |
| 	int ret;
 | |
| 
 | |
| 	atc260x = devm_kzalloc(&client->dev, sizeof(*atc260x), GFP_KERNEL);
 | |
| 	if (!atc260x)
 | |
| 		return -ENOMEM;
 | |
| 
 | |
| 	atc260x->dev = &client->dev;
 | |
| 	atc260x->irq = client->irq;
 | |
| 
 | |
| 	ret = atc260x_match_device(atc260x, ®map_cfg);
 | |
| 	if (ret)
 | |
| 		return ret;
 | |
| 
 | |
| 	i2c_set_clientdata(client, atc260x);
 | |
| 
 | |
| 	atc260x->regmap = devm_regmap_init_i2c(client, ®map_cfg);
 | |
| 	if (IS_ERR(atc260x->regmap)) {
 | |
| 		ret = PTR_ERR(atc260x->regmap);
 | |
| 		dev_err(&client->dev, "failed to init regmap: %d\n", ret);
 | |
| 		return ret;
 | |
| 	}
 | |
| 
 | |
| 	return atc260x_device_probe(atc260x);
 | |
| }
 | |
| 
 | |
| static const struct of_device_id atc260x_i2c_of_match[] = {
 | |
| 	{ .compatible = "actions,atc2603c", .data = (void *)ATC2603C },
 | |
| 	{ .compatible = "actions,atc2609a", .data = (void *)ATC2609A },
 | |
| 	{ }
 | |
| };
 | |
| MODULE_DEVICE_TABLE(of, atc260x_i2c_of_match);
 | |
| 
 | |
| static struct i2c_driver atc260x_i2c_driver = {
 | |
| 	.driver = {
 | |
| 		.name = "atc260x",
 | |
| 		.of_match_table	= of_match_ptr(atc260x_i2c_of_match),
 | |
| 	},
 | |
| 	.probe = atc260x_i2c_probe,
 | |
| };
 | |
| module_i2c_driver(atc260x_i2c_driver);
 | |
| 
 | |
| MODULE_DESCRIPTION("ATC260x PMICs I2C bus interface");
 | |
| MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");
 | |
| MODULE_AUTHOR("Cristian Ciocaltea <cristian.ciocaltea@gmail.com>");
 | |
| MODULE_LICENSE("GPL");
 |