1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (c) 2020 Rockchip Electronics Co. Ltd.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Author: Algea Cao <algea.cao@rock-chips.com>
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <linux/device.h>
9*4882a593Smuzhiyun #include <linux/err.h>
10*4882a593Smuzhiyun #include <linux/i2c.h>
11*4882a593Smuzhiyun #include <linux/input.h>
12*4882a593Smuzhiyun #include <linux/module.h>
13*4882a593Smuzhiyun #include <linux/mfd/rk630.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun static int
rk630_i2c_probe(struct i2c_client * client,const struct i2c_device_id * id)16*4882a593Smuzhiyun rk630_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun struct device *dev = &client->dev;
19*4882a593Smuzhiyun struct rk630 *rk630;
20*4882a593Smuzhiyun int ret;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun rk630 = devm_kzalloc(dev, sizeof(*rk630), GFP_KERNEL);
23*4882a593Smuzhiyun if (!rk630)
24*4882a593Smuzhiyun return -ENOMEM;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun rk630->dev = dev;
27*4882a593Smuzhiyun rk630->client = client;
28*4882a593Smuzhiyun i2c_set_clientdata(client, rk630);
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun rk630->grf = devm_regmap_init_i2c(client, &rk630_grf_regmap_config);
31*4882a593Smuzhiyun if (IS_ERR(rk630->grf)) {
32*4882a593Smuzhiyun ret = PTR_ERR(rk630->grf);
33*4882a593Smuzhiyun dev_err(dev, "failed to allocate grf register map: %d\n", ret);
34*4882a593Smuzhiyun return ret;
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun rk630->cru = devm_regmap_init_i2c(client, &rk630_cru_regmap_config);
38*4882a593Smuzhiyun if (IS_ERR(rk630->cru)) {
39*4882a593Smuzhiyun ret = PTR_ERR(rk630->cru);
40*4882a593Smuzhiyun dev_err(dev, "failed to allocate cru register map: %d\n", ret);
41*4882a593Smuzhiyun return ret;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun rk630->tve = devm_regmap_init_i2c(client, &rk630_tve_regmap_config);
45*4882a593Smuzhiyun if (IS_ERR(rk630->tve)) {
46*4882a593Smuzhiyun ret = PTR_ERR(rk630->tve);
47*4882a593Smuzhiyun dev_err(rk630->dev, "Failed to initialize tve regmap: %d\n",
48*4882a593Smuzhiyun ret);
49*4882a593Smuzhiyun return ret;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun return rk630_core_probe(rk630);
53*4882a593Smuzhiyun }
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun static const struct of_device_id rk630_i2c_of_match[] = {
56*4882a593Smuzhiyun { .compatible = "rockchip,rk630", },
57*4882a593Smuzhiyun {}
58*4882a593Smuzhiyun };
59*4882a593Smuzhiyun MODULE_DEVICE_TABLE(of, rk630_i2c_of_match);
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun static const struct i2c_device_id rk630_i2c_id[] = {
62*4882a593Smuzhiyun { "rk630", 0 },
63*4882a593Smuzhiyun {}
64*4882a593Smuzhiyun };
65*4882a593Smuzhiyun MODULE_DEVICE_TABLE(i2c, rk630_i2c_id);
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun static struct i2c_driver rk630_i2c_driver = {
68*4882a593Smuzhiyun .driver = {
69*4882a593Smuzhiyun .name = "rk630",
70*4882a593Smuzhiyun .of_match_table = of_match_ptr(rk630_i2c_of_match),
71*4882a593Smuzhiyun },
72*4882a593Smuzhiyun .probe = rk630_i2c_probe,
73*4882a593Smuzhiyun .id_table = rk630_i2c_id,
74*4882a593Smuzhiyun };
75*4882a593Smuzhiyun module_i2c_driver(rk630_i2c_driver);
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun MODULE_AUTHOR("Algea Cao <Algea.cao@rock-chips.com>");
78*4882a593Smuzhiyun MODULE_DESCRIPTION("Rockchip rk630 MFD I2C driver");
79*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
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