1 // SPDX-License-Identifier: GPL-2.0
2
3 #include <linux/array_size.h>
4 #include <linux/of.h>
5 #include <linux/mfd/core.h>
6 #include <linux/mfd/syscon.h>
7 #include <linux/of_platform.h>
8 #include <linux/platform_device.h>
9
10 static const struct mfd_cell mpfs_mss_top_sysreg_devs[] = {
11 MFD_CELL_NAME("mpfs-reset"),
12 };
13
mpfs_mss_top_sysreg_probe(struct platform_device * pdev)14 static int mpfs_mss_top_sysreg_probe(struct platform_device *pdev)
15 {
16 struct device *dev = &pdev->dev;
17 int ret;
18
19 ret = mfd_add_devices(dev, PLATFORM_DEVID_NONE, mpfs_mss_top_sysreg_devs,
20 ARRAY_SIZE(mpfs_mss_top_sysreg_devs) , NULL, 0, NULL);
21 if (ret)
22 return ret;
23
24 return devm_of_platform_populate(dev);
25 }
26
27 static const struct of_device_id mpfs_mss_top_sysreg_of_match[] = {
28 { .compatible = "microchip,mpfs-mss-top-sysreg", },
29 {},
30 };
31 MODULE_DEVICE_TABLE(of, mpfs_mss_top_sysreg_of_match);
32
33 static struct platform_driver mpfs_mss_top_sysreg_driver = {
34 .driver = {
35 .name = "mpfs-mss-top-sysreg",
36 .of_match_table = mpfs_mss_top_sysreg_of_match,
37 },
38 .probe = mpfs_mss_top_sysreg_probe,
39 };
40 module_platform_driver(mpfs_mss_top_sysreg_driver);
41
42 MODULE_LICENSE("GPL");
43 MODULE_AUTHOR("Conor Dooley <conor.dooley@microchip.com>");
44 MODULE_DESCRIPTION("PolarFire SoC mss top sysreg driver");
45