ep93xx_controller_register
ret = ep93xx_controller_register(dev, pinctrl_names[model], map_info);
ret = ep93xx_controller_register(dev, "clk-ep93xx.e2", map_info);
ret = ep93xx_controller_register(dev, "clk-ep93xx", map_info);
ret = ep93xx_controller_register(dev, "reset-ep93xx", map_info);