extern struct regmap *syscon_regmap_lookup_by_phandle_args(
					struct device_node *np,
					const char *property,
					int arg_count,
					unsigned int *out_args)
struct regmap *syscon_regmap_lookup_by_phandle_args(struct device_node *np,
						    const char *property,
						    int arg_count,
						    unsigned int *out_args)