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CONFIG_GPIO_MCP23S08: Microchip MCP23Sxx I/O expander

General informations

The Linux kernel configuration item CONFIG_GPIO_MCP23S08 has multiple definitions:

Microchip MCP23S08 I/O expander found in drivers/gpio/Kconfig

The configuration item CONFIG_GPIO_MCP23S08:

Help text

SPI driver for Microchip MCP23S08 I/O expander. This provides a GPIO interface supporting inputs and outputs.

Microchip MCP23Sxx I/O expander found in drivers/gpio/Kconfig

The configuration item CONFIG_GPIO_MCP23S08:

Help text

SPI driver for Microchip MCP23S08/MPC23S17 I/O expanders. This provides a GPIO interface supporting inputs and outputs.

Microchip MCP23xxx I/O expander found in drivers/gpio/Kconfig

The configuration item CONFIG_GPIO_MCP23S08:

Help text

SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017 I/O expanders. This provides a GPIO interface supporting inputs and outputs. The I2C versions of the chips can be used as interrupt-controller.

Hardware

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