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CONFIG_SENSORS_PCF8574: Philips PCF8574 and PCF8574A (DEPRECATED)

General informations

The Linux kernel configuration item CONFIG_SENSORS_PCF8574 has multiple definitions:

Philips PCF8574 and PCF8574A (DEPRECATED) found in drivers/i2c/chips/Kconfig

The configuration item CONFIG_SENSORS_PCF8574:

Help text

If you say yes here you get support for Philips PCF8574 and PCF8574A chips. These chips are 8-bit I/O expanders for the I2C bus.

This driver can also be built as a module. If so, the module will be called pcf8574.

This driver is deprecated and will be dropped soon. Use drivers/gpio/pcf857x.c instead.

These devices are hard to detect and rarely found on mainstream hardware. If unsure, say N.

Philips PCF8574 and PCF8574A found in drivers/i2c/chips/Kconfig

The configuration item CONFIG_SENSORS_PCF8574:

Help text

If you say yes here you get support for Philips PCF8574 and PCF8574A chips. These chips are 8-bit I/O expanders for the I2C bus.

This driver can also be built as a module. If so, the module will be called pcf8574.

These devices are hard to detect and rarely found on mainstream hardware. If unsure, say N.

Hardware

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