dm: button: add a driver for button driven by gpio
Add a simple driver which allows use of buttons attached to GPIOs.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
diff --git a/drivers/button/Kconfig b/drivers/button/Kconfig
index 8301858..6b3ec7e 100644
--- a/drivers/button/Kconfig
+++ b/drivers/button/Kconfig
@@ -9,4 +9,13 @@
can provide access to board-specific buttons. Use of the device tree
for configuration is encouraged.
+config BUTTON_GPIO
+ bool "Button gpio"
+ depends on BUTTON
+ help
+ Enable support for buttons which are connected to GPIO lines. These
+ GPIOs may be on the SoC or some other device which provides GPIOs.
+ The GPIO driver must used driver model. Buttons are configured using
+ the device tree.
+
endmenu