gudt/docs/E8_gpio.md

General Purpose I/O

Node format

Offset	Size	Description
0	1	type = 0xe8
1	1	flags (bit 0..3: alignment, bit 4..7: 0)
2	2	parent node
4	4	GPIO size
8	8	GPIO address

JSON format

{
    "type": "GPIO",
    "parent": (string) parent device's name,
    "unit": "byte" / "word" / "dword" / "qword",
    "size": (number) GPIO size,
    "base": (number) GPIO address
}