+/**
+ * struct phandle_2_arg - hold a phandle record with up to two arguments
+ *
+ * This holds a phandle pointing to another device. See 'Indexes' in the
+ * of-plat-rst documentation.
+ *
+ * @idx: udevice index (or driver_info index if !OF_PLATDATA_INST)
+ * @arg: arguments
+ */