^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Analog Devices LTC2947 high precision power and energy monitor over I2C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2019 Analog Devices Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "ltc2947.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) static const struct regmap_config ltc2947_regmap_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) .reg_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) .val_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) static int ltc2947_probe(struct i2c_client *i2c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct regmap *map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) map = devm_regmap_init_i2c(i2c, <c2947_regmap_config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) if (IS_ERR(map))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) return PTR_ERR(map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) return ltc2947_core_probe(map, i2c->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static const struct i2c_device_id ltc2947_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {"ltc2947", 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) MODULE_DEVICE_TABLE(i2c, ltc2947_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static struct i2c_driver ltc2947_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) .name = "ltc2947",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) .of_match_table = ltc2947_of_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) .pm = <c2947_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) .probe_new = ltc2947_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) .id_table = ltc2947_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) module_i2c_driver(ltc2947_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) MODULE_DESCRIPTION("LTC2947 I2C power and energy monitor driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) MODULE_LICENSE("GPL");