diff options
| author | Viresh Kumar <viresh.kumar@linaro.org> | 2021-08-19 07:30:22 +0300 |
|---|---|---|
| committer | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2021-08-23 10:55:44 +0300 |
| commit | 3a29355a22c0275fe864100794fee58a73175d93 (patch) | |
| tree | 06f1f7fbf4c7394fc4277229c736ba76095b58dd /drivers/gpio/Kconfig | |
| parent | d0ef631d40baa2be1951d122ca59d0cf6e39cf46 (diff) | |
| download | linux-3a29355a22c0275fe864100794fee58a73175d93.tar.xz | |
gpio: Add virtio-gpio driver
This patch adds a new driver for Virtio based GPIO devices.
This allows a guest VM running Linux to access GPIO lines provided by
the host. It supports all basic operations, except interrupts for the
GPIO lines.
Based on the initial work posted by:
"Enrico Weigelt, metux IT consult" <lkml@metux.net>.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Diffstat (limited to 'drivers/gpio/Kconfig')
| -rw-r--r-- | drivers/gpio/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index fab571016adf..e5993d6864fb 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -1669,6 +1669,15 @@ config GPIO_MOCKUP tools/testing/selftests/gpio/gpio-mockup.sh. Reference the usage in it. +config GPIO_VIRTIO + tristate "VirtIO GPIO support" + depends on VIRTIO + help + Say Y here to enable guest support for virtio-based GPIO controllers. + + These virtual GPIOs can be routed to real GPIOs or attached to + simulators on the host (like QEMU). + endmenu endif |