MCP23S17GPIO(4)         NetBSD Kernel Interfaces Manual        MCP23S17GPIO(4)

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
     The mcp23s17gpio 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
     gpio(4), intro(4), spi(4)

HISTORY
     The mcp23s17gpio driver first appeared in NetBSD 7.0.

AUTHORS
     The mcp23s17gpio driver was written by Frank Kardel <kardel@NetBSD.org>.

NetBSD 7.0                       April 6, 2014                      NetBSD 7.0

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©1996-2014 Modified for NetBSD by Kimmo Suominen