gpio: Kconfig: add CONFIG_AT91_GPIO option
The CONFIG_AT91_GPIO option is used to select AT91 PIO GPIO driver.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index dc4108f..c95e9ac 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -28,6 +28,19 @@
help
Support for the Designware APB GPIO driver.
+config AT91_GPIO
+ bool "AT91 PIO GPIO driver"
+ depends on DM_GPIO
+ default n
+ help
+ Say yes here to select AT91 PIO GPIO driver. AT91 PIO
+ controller manages up to 32 fully programmable input/output
+ lines. Each I/O line may be dedicated as a general-purpose
+ I/O or be assigned to a function of an embedded peripheral.
+ The assignment to a function of an embedded peripheral is
+ the responsibility of AT91 Pinctrl driver. This driver is
+ responsible for the general-purpose I/O.
+
config ATMEL_PIO4
bool "ATMEL PIO4 driver"
depends on DM_GPIO