1*4aac11c9SConor Dooley // SPDX-License-Identifier: GPL-2.0
2*4aac11c9SConor Dooley
3*4aac11c9SConor Dooley #include <linux/array_size.h>
4*4aac11c9SConor Dooley #include <linux/of.h>
5*4aac11c9SConor Dooley #include <linux/mfd/core.h>
6*4aac11c9SConor Dooley #include <linux/mfd/syscon.h>
7*4aac11c9SConor Dooley #include <linux/of_platform.h>
8*4aac11c9SConor Dooley #include <linux/platform_device.h>
9*4aac11c9SConor Dooley
10*4aac11c9SConor Dooley static const struct mfd_cell mpfs_mss_top_sysreg_devs[] = {
11*4aac11c9SConor Dooley MFD_CELL_NAME("mpfs-reset"),
12*4aac11c9SConor Dooley };
13*4aac11c9SConor Dooley
mpfs_mss_top_sysreg_probe(struct platform_device * pdev)14*4aac11c9SConor Dooley static int mpfs_mss_top_sysreg_probe(struct platform_device *pdev)
15*4aac11c9SConor Dooley {
16*4aac11c9SConor Dooley struct device *dev = &pdev->dev;
17*4aac11c9SConor Dooley int ret;
18*4aac11c9SConor Dooley
19*4aac11c9SConor Dooley ret = mfd_add_devices(dev, PLATFORM_DEVID_NONE, mpfs_mss_top_sysreg_devs,
20*4aac11c9SConor Dooley ARRAY_SIZE(mpfs_mss_top_sysreg_devs) , NULL, 0, NULL);
21*4aac11c9SConor Dooley if (ret)
22*4aac11c9SConor Dooley return ret;
23*4aac11c9SConor Dooley
24*4aac11c9SConor Dooley return devm_of_platform_populate(dev);
25*4aac11c9SConor Dooley }
26*4aac11c9SConor Dooley
27*4aac11c9SConor Dooley static const struct of_device_id mpfs_mss_top_sysreg_of_match[] = {
28*4aac11c9SConor Dooley { .compatible = "microchip,mpfs-mss-top-sysreg", },
29*4aac11c9SConor Dooley {},
30*4aac11c9SConor Dooley };
31*4aac11c9SConor Dooley MODULE_DEVICE_TABLE(of, mpfs_mss_top_sysreg_of_match);
32*4aac11c9SConor Dooley
33*4aac11c9SConor Dooley static struct platform_driver mpfs_mss_top_sysreg_driver = {
34*4aac11c9SConor Dooley .driver = {
35*4aac11c9SConor Dooley .name = "mpfs-mss-top-sysreg",
36*4aac11c9SConor Dooley .of_match_table = mpfs_mss_top_sysreg_of_match,
37*4aac11c9SConor Dooley },
38*4aac11c9SConor Dooley .probe = mpfs_mss_top_sysreg_probe,
39*4aac11c9SConor Dooley };
40*4aac11c9SConor Dooley module_platform_driver(mpfs_mss_top_sysreg_driver);
41*4aac11c9SConor Dooley
42*4aac11c9SConor Dooley MODULE_LICENSE("GPL");
43*4aac11c9SConor Dooley MODULE_AUTHOR("Conor Dooley <conor.dooley@microchip.com>");
44*4aac11c9SConor Dooley MODULE_DESCRIPTION("PolarFire SoC mss top sysreg driver");
45