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>
parent
d0ef631d
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