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MCP23S17GPIO(4) NetBSD Kernel Interfaces Manual MCP23S17GPIO(4)
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Maintained for NetBSD
by Kimmo Suominen.
Based on man-cgi by Panagiotis Christias.
mcp23s17gpio -- Driver for MCP23S17 gpio chip via SPI bus
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?
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
gpio(4), intro(4), spi(4)
The mcp23s17gpio driver first appeared in NetBSD 7.0.
The mcp23s17gpio driver was written by Frank Kardel <kardel@NetBSD.org>.
NetBSD 9.3 April 6, 2014 NetBSD 9.3