Defaults

The defaults block defines properties that apply to all registers unless explicitly overridden at the register or field level. This reduces repetition.

Field	Required	Type	Description
register_width	Yes	Integer	The standard width of a register in bits.
byte_order	Yes	Enum	big (MSB first) or little (LSB first).
access	Recommended	List[AccessCode]	Default read/write permissions (e.g., [r, w]).

Example:

defaults:
  register_width: 16
  byte_order: big
  access: [ r, w ]

Other Fields

Any other field that would typically go in the fields: section can be included. For example, if a device's registers all reset to the same value, the reset: field could be included in the defaults:.