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 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