| Kconfig (e7f758fa9b7fda8b91f2e429b2be93ae0b88ac33) | Kconfig (1454a928b637bd169d99fc91a46b3b36cea76f9f) |
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| 1# SPDX-License-Identifier: GPL-2.0-only 2# 3# GPIO infrastructure and drivers 4# 5 6config ARCH_HAVE_CUSTOM_GPIO_H 7 bool 8 help --- 1670 unchanged lines hidden (view full) --- 1679 aggregate existing GPIO lines into a new virtual GPIO chip. 1680 This can serve the following purposes: 1681 - Assign permissions for a collection of GPIO lines to a user, 1682 - Export a collection of GPIO lines to a virtual machine, 1683 - Provide a generic driver for a GPIO-operated device in an 1684 industrial control context, to be operated from userspace using 1685 the GPIO chardev interface. 1686 | 1# SPDX-License-Identifier: GPL-2.0-only 2# 3# GPIO infrastructure and drivers 4# 5 6config ARCH_HAVE_CUSTOM_GPIO_H 7 bool 8 help --- 1670 unchanged lines hidden (view full) --- 1679 aggregate existing GPIO lines into a new virtual GPIO chip. 1680 This can serve the following purposes: 1681 - Assign permissions for a collection of GPIO lines to a user, 1682 - Export a collection of GPIO lines to a virtual machine, 1683 - Provide a generic driver for a GPIO-operated device in an 1684 industrial control context, to be operated from userspace using 1685 the GPIO chardev interface. 1686 |
| 1687config GPIO_LATCH 1688 tristate "GPIO latch driver" 1689 help 1690 Say yes here to enable a driver for GPIO multiplexers based on latches 1691 connected to other GPIOs. 1692 |
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| 1687config GPIO_MOCKUP 1688 tristate "GPIO Testing Driver" 1689 select IRQ_SIM 1690 help 1691 This enables GPIO Testing driver, which provides a way to test GPIO 1692 subsystem through sysfs (or char device) and debugfs. 1693 User could use it through the script in 1694 tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in --- 23 unchanged lines hidden --- | 1693config GPIO_MOCKUP 1694 tristate "GPIO Testing Driver" 1695 select IRQ_SIM 1696 help 1697 This enables GPIO Testing driver, which provides a way to test GPIO 1698 subsystem through sysfs (or char device) and debugfs. 1699 User could use it through the script in 1700 tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in --- 23 unchanged lines hidden --- |