0c36ec3147
Maxim's MAX7301 is an SPI GPIO expander with 28 GPIOs. Note: MAX7301's interrupt feature is not supported yet. [akpm@linux-foundation.org: coding-style fixes] [g.liakhovetski@pengutronix.de: Fix inaccuracies in comments, check spi_setup() return code, mask off high byte in max7301_read()] Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 lines
292 B
Makefile
11 lines
292 B
Makefile
# gpio support: dedicated expander chips, etc
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ccflags-$(CONFIG_DEBUG_GPIO) += -DDEBUG
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obj-$(CONFIG_HAVE_GPIO_LIB) += gpiolib.o
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obj-$(CONFIG_GPIO_MAX7301) += max7301.o
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obj-$(CONFIG_GPIO_MCP23S08) += mcp23s08.o
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obj-$(CONFIG_GPIO_PCA953X) += pca953x.o
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obj-$(CONFIG_GPIO_PCF857X) += pcf857x.o
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