NAME
mcp23s17gpio —
Driver for MCP23S17 gpio chip via SPI
bus
SYNOPSIS
mcp23s17gpio0 at spi? slave 0 flags 0
mcp23s17gpio1 at spi? slave 0 flags 1
mcp23s17gpio2 at spi? slave 0 flags 2
mcp23s17gpio3 at spi? slave 0 flags 3
gpio* at gpiobus?
DESCRIPTION
Themcp23s17gpio driver supports up to 8 instances of
the MCP23S17 16-bit GPIO chips. Access to the pins is provided by the
gpio(4) interface. The mcp23s17gpio
flags argument selects the hardware address of the chip
instance.
SEE ALSO
HISTORY
The mcp23s17gpio driver first appeared in
NetBSD 7.0.
AUTHORS
The mcp23s17gpio driver was written by
Frank Kardel
<kardel@NetBSD.org>.