diff options
Diffstat (limited to 'drivers/hwmon/ltc2947-i2c.c')
| -rw-r--r-- | drivers/hwmon/ltc2947-i2c.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/hwmon/ltc2947-i2c.c b/drivers/hwmon/ltc2947-i2c.c new file mode 100644 index 000000000..96852bc8a --- /dev/null +++ b/drivers/hwmon/ltc2947-i2c.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Analog Devices LTC2947 high precision power and energy monitor over I2C + * + * Copyright 2019 Analog Devices Inc. + */ +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/regmap.h> + +#include "ltc2947.h" + +static const struct regmap_config ltc2947_regmap_config = { + .reg_bits = 8, + .val_bits = 8, +}; + +static int ltc2947_probe(struct i2c_client *i2c) +{ + struct regmap *map; + + map = devm_regmap_init_i2c(i2c, <c2947_regmap_config); + if (IS_ERR(map)) + return PTR_ERR(map); + + return ltc2947_core_probe(map, i2c->name); +} + +static const struct i2c_device_id ltc2947_id[] = { + {"ltc2947", 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, ltc2947_id); + +static struct i2c_driver ltc2947_driver = { + .driver = { + .name = "ltc2947", + .of_match_table = ltc2947_of_match, + .pm = pm_sleep_ptr(<c2947_pm_ops), + }, + .probe_new = ltc2947_probe, + .id_table = ltc2947_id, +}; +module_i2c_driver(ltc2947_driver); + +MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>"); +MODULE_DESCRIPTION("LTC2947 I2C power and energy monitor driver"); +MODULE_LICENSE("GPL"); |