1*cb626376SJames Ogletree // SPDX-License-Identifier: GPL-2.0
2*cb626376SJames Ogletree /*
3*cb626376SJames Ogletree * CS40L50 Advanced Haptic Driver with waveform memory,
4*cb626376SJames Ogletree * integrated DSP, and closed-loop algorithms
5*cb626376SJames Ogletree *
6*cb626376SJames Ogletree * Copyright 2024 Cirrus Logic, Inc.
7*cb626376SJames Ogletree *
8*cb626376SJames Ogletree * Author: James Ogletree <james.ogletree@cirrus.com>
9*cb626376SJames Ogletree */
10*cb626376SJames Ogletree
11*cb626376SJames Ogletree #include <linux/i2c.h>
12*cb626376SJames Ogletree #include <linux/mfd/cs40l50.h>
13*cb626376SJames Ogletree
cs40l50_i2c_probe(struct i2c_client * i2c)14*cb626376SJames Ogletree static int cs40l50_i2c_probe(struct i2c_client *i2c)
15*cb626376SJames Ogletree {
16*cb626376SJames Ogletree struct cs40l50 *cs40l50;
17*cb626376SJames Ogletree
18*cb626376SJames Ogletree cs40l50 = devm_kzalloc(&i2c->dev, sizeof(*cs40l50), GFP_KERNEL);
19*cb626376SJames Ogletree if (!cs40l50)
20*cb626376SJames Ogletree return -ENOMEM;
21*cb626376SJames Ogletree
22*cb626376SJames Ogletree i2c_set_clientdata(i2c, cs40l50);
23*cb626376SJames Ogletree
24*cb626376SJames Ogletree cs40l50->dev = &i2c->dev;
25*cb626376SJames Ogletree cs40l50->irq = i2c->irq;
26*cb626376SJames Ogletree
27*cb626376SJames Ogletree cs40l50->regmap = devm_regmap_init_i2c(i2c, &cs40l50_regmap);
28*cb626376SJames Ogletree if (IS_ERR(cs40l50->regmap))
29*cb626376SJames Ogletree return dev_err_probe(cs40l50->dev, PTR_ERR(cs40l50->regmap),
30*cb626376SJames Ogletree "Failed to initialize register map\n");
31*cb626376SJames Ogletree
32*cb626376SJames Ogletree return cs40l50_probe(cs40l50);
33*cb626376SJames Ogletree }
34*cb626376SJames Ogletree
cs40l50_i2c_remove(struct i2c_client * i2c)35*cb626376SJames Ogletree static void cs40l50_i2c_remove(struct i2c_client *i2c)
36*cb626376SJames Ogletree {
37*cb626376SJames Ogletree struct cs40l50 *cs40l50 = i2c_get_clientdata(i2c);
38*cb626376SJames Ogletree
39*cb626376SJames Ogletree cs40l50_remove(cs40l50);
40*cb626376SJames Ogletree }
41*cb626376SJames Ogletree
42*cb626376SJames Ogletree static const struct i2c_device_id cs40l50_id_i2c[] = {
43*cb626376SJames Ogletree { "cs40l50" },
44*cb626376SJames Ogletree {}
45*cb626376SJames Ogletree };
46*cb626376SJames Ogletree MODULE_DEVICE_TABLE(i2c, cs40l50_id_i2c);
47*cb626376SJames Ogletree
48*cb626376SJames Ogletree static const struct of_device_id cs40l50_of_match[] = {
49*cb626376SJames Ogletree { .compatible = "cirrus,cs40l50" },
50*cb626376SJames Ogletree {}
51*cb626376SJames Ogletree };
52*cb626376SJames Ogletree MODULE_DEVICE_TABLE(of, cs40l50_of_match);
53*cb626376SJames Ogletree
54*cb626376SJames Ogletree static struct i2c_driver cs40l50_i2c_driver = {
55*cb626376SJames Ogletree .driver = {
56*cb626376SJames Ogletree .name = "cs40l50",
57*cb626376SJames Ogletree .of_match_table = cs40l50_of_match,
58*cb626376SJames Ogletree .pm = pm_ptr(&cs40l50_pm_ops),
59*cb626376SJames Ogletree },
60*cb626376SJames Ogletree .id_table = cs40l50_id_i2c,
61*cb626376SJames Ogletree .probe = cs40l50_i2c_probe,
62*cb626376SJames Ogletree .remove = cs40l50_i2c_remove,
63*cb626376SJames Ogletree };
64*cb626376SJames Ogletree module_i2c_driver(cs40l50_i2c_driver);
65*cb626376SJames Ogletree
66*cb626376SJames Ogletree MODULE_DESCRIPTION("CS40L50 I2C Driver");
67*cb626376SJames Ogletree MODULE_AUTHOR("James Ogletree, Cirrus Logic Inc. <james.ogletree@cirrus.com>");
68*cb626376SJames Ogletree MODULE_LICENSE("GPL");
69