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-rw-r--r--drivers/gpio/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 36d5d6a..d924a32 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -52,4 +52,11 @@ config GPIO_PCF857X
comment "SPI GPIO expanders:"
+config GPIO_MCP23S08
+ tristate "Microchip MCP23S08 I/O expander"
+ depends on SPI_MASTER
+ help
+ SPI driver for Microchip MCP23S08 I/O expander. This provides
+ a GPIO interface supporting inputs and outputs.
+
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