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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:

• prompt: Philips PCF8574 and PCF8574A (DEPRECATED)
• type: tristate
• depends on: CONFIG_EXPERIMENTAL && CONFIG_GPIO_PCF857X = "n"
• defined in drivers/i2c/chips/Kconfig
• found in Linux kernels: 2.6.27–2.6.31
• modules built: 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:

• prompt: Philips PCF8574 and PCF8574A
• type: tristate
• depends on: CONFIG_I2C && CONFIG_EXPERIMENTAL
• defined in drivers/i2c/chips/Kconfig
• found in Linux kernels: 2.6.6–2.6.26
• modules built: pcf8574

Help text

If you say yes here you get support for Philips PCF8574 and PCF8574A chips.

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

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module pcf8574 CONFIG_SENSORS_PCF8574 : drivers/i2c/chips/Kconfig : "Philips PCF8574 and PCF8574A"

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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