xref: /openbmc/linux/drivers/hwmon/ltc2947-i2c.c (revision 1975d167)
19f90fd65SNuno Sá // SPDX-License-Identifier: GPL-2.0
29f90fd65SNuno Sá /*
39f90fd65SNuno Sá  * Analog Devices LTC2947 high precision power and energy monitor over I2C
49f90fd65SNuno Sá  *
59f90fd65SNuno Sá  * Copyright 2019 Analog Devices Inc.
69f90fd65SNuno Sá  */
79f90fd65SNuno Sá #include <linux/i2c.h>
89f90fd65SNuno Sá #include <linux/module.h>
99f90fd65SNuno Sá #include <linux/regmap.h>
109f90fd65SNuno Sá 
119f90fd65SNuno Sá #include "ltc2947.h"
129f90fd65SNuno Sá 
139f90fd65SNuno Sá static const struct regmap_config ltc2947_regmap_config = {
149f90fd65SNuno Sá 	.reg_bits = 8,
159f90fd65SNuno Sá 	.val_bits = 8,
169f90fd65SNuno Sá };
179f90fd65SNuno Sá 
ltc2947_probe(struct i2c_client * i2c)18c1e60c0dSStephen Kitt static int ltc2947_probe(struct i2c_client *i2c)
199f90fd65SNuno Sá {
209f90fd65SNuno Sá 	struct regmap *map;
219f90fd65SNuno Sá 
229f90fd65SNuno Sá 	map = devm_regmap_init_i2c(i2c, &ltc2947_regmap_config);
239f90fd65SNuno Sá 	if (IS_ERR(map))
249f90fd65SNuno Sá 		return PTR_ERR(map);
259f90fd65SNuno Sá 
269f90fd65SNuno Sá 	return ltc2947_core_probe(map, i2c->name);
279f90fd65SNuno Sá }
289f90fd65SNuno Sá 
299f90fd65SNuno Sá static const struct i2c_device_id ltc2947_id[] = {
309f90fd65SNuno Sá 	{"ltc2947", 0},
319f90fd65SNuno Sá 	{}
329f90fd65SNuno Sá };
339f90fd65SNuno Sá MODULE_DEVICE_TABLE(i2c, ltc2947_id);
349f90fd65SNuno Sá 
359f90fd65SNuno Sá static struct i2c_driver ltc2947_driver = {
369f90fd65SNuno Sá 	.driver = {
379f90fd65SNuno Sá 		.name = "ltc2947",
389f90fd65SNuno Sá 		.of_match_table = ltc2947_of_match,
39ca19f965SJonathan Cameron 		.pm = pm_sleep_ptr(&ltc2947_pm_ops),
409f90fd65SNuno Sá 	},
41*1975d167SUwe Kleine-König 	.probe = ltc2947_probe,
429f90fd65SNuno Sá 	.id_table = ltc2947_id,
439f90fd65SNuno Sá };
449f90fd65SNuno Sá module_i2c_driver(ltc2947_driver);
459f90fd65SNuno Sá 
469f90fd65SNuno Sá MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>");
479f90fd65SNuno Sá MODULE_DESCRIPTION("LTC2947 I2C power and energy monitor driver");
489f90fd65SNuno Sá MODULE_LICENSE("GPL");
49