CONFIG_GPIO_RASPBERRYPI_EXP: Raspberry Pi 3 GPIO Expander

General informations

The Linux kernel configuration item CONFIG_GPIO_RASPBERRYPI_EXP:

• prompt: Raspberry Pi 3 GPIO Expander
• type: tristate
• depends on: ( CONFIG_OF_GPIO ) && (( CONFIG_ARCH_BCM2835 && CONFIG_RASPBERRYPI_FIRMWARE ) || ( CONFIG_COMPILE_TEST && ! CONFIG_RASPBERRYPI_FIRMWARE ))
• defined in drivers/gpio/Kconfig
• found in Linux kernels: 4.17–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD
• modules built: gpio-raspberrypi-exp

Help text

Turn on GPIO support for the expander on Raspberry Pi 3 boards, using the firmware mailbox to communicate with VideoCore on BCM283x chips.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module gpio-raspberrypi-exp CONFIG_GPIO_RASPBERRYPI_EXP : drivers/gpio/Kconfig : "Raspberry Pi 3 GPIO Expander" # in 4.17–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD
• lkddb of "" "" "raspberrypi,firmware-gpio" : CONFIG_GPIOLIB CONFIG_GPIO_RASPBERRYPI_EXP : drivers/gpio/gpio-raspberrypi-exp.c # in 4.17–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD
• lkddb platform "raspberrypi-exp-gpio" : CONFIG_GPIOLIB CONFIG_GPIO_RASPBERRYPI_EXP : drivers/gpio/gpio-raspberrypi-exp.c # in 4.17–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

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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