comment "I2C GPIO expanders:"
+config GPIO_PCA953X
+ tristate "PCA953x I/O ports"
+ depends on I2C
+ help
+ Say yes here to support the PCA9534 (8-bit), PCA9535 (16-bit),
+ PCA9536 (4-bit), PCA9537 (4-bit), PCA9538 (8-bit), and PCA9539
+ (16-bit) I/O ports. These parts are made by NXP and TI.
+
+ This driver can also be built as a module. If so, the module
+ will be called pca953x.
+
config GPIO_PCF857X
tristate "PCF857x, PCA857x, and PCA967x I2C GPIO expanders"
depends on I2C
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.
+
endmenu