1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Sophgo SG2044 multi-function system controller driver
4 *
5 * Copyright (C) 2025 Inochi Amaoto <inochiama@gmail.com>
6 */
7
8 #include <linux/mfd/core.h>
9 #include <linux/mod_devicetable.h>
10 #include <linux/module.h>
11 #include <linux/property.h>
12 #include <linux/resource.h>
13
14 static const struct mfd_cell sg2044_topsys_subdev[] = {
15 {
16 .name = "sg2044-pll",
17 },
18 };
19
sg2044_topsys_probe(struct platform_device * pdev)20 static int sg2044_topsys_probe(struct platform_device *pdev)
21 {
22 return devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_AUTO,
23 sg2044_topsys_subdev,
24 ARRAY_SIZE(sg2044_topsys_subdev),
25 NULL, 0, NULL);
26 }
27
28 static const struct of_device_id sg2044_topsys_of_match[] = {
29 { .compatible = "sophgo,sg2044-top-syscon" },
30 { /* sentinel */ }
31 };
32 MODULE_DEVICE_TABLE(of, sg2044_topsys_of_match);
33
34 static struct platform_driver sg2044_topsys_driver = {
35 .probe = sg2044_topsys_probe,
36 .driver = {
37 .name = "sg2044-topsys",
38 .of_match_table = sg2044_topsys_of_match,
39 },
40 };
41 module_platform_driver(sg2044_topsys_driver);
42
43 MODULE_AUTHOR("Inochi Amaoto <inochiama@gmail.com>");
44 MODULE_DESCRIPTION("Sophgo SG2044 multi-function system controller driver");
45 MODULE_LICENSE("GPL");
46