gpio: atmel: Add the PIO4 driver support
The PIO4 is introduced from SAMA5D2, as a new version
for Atmel PIO controller.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 9e49471..e60e9fd 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -28,6 +28,17 @@
help
Support for the Designware APB GPIO driver.
+config ATMEL_PIO4
+ bool "ATMEL PIO4 driver"
+ depends on DM
+ default n
+ help
+ Say yes here to support the Atmel PIO4 driver.
+ The PIO4 is new version of Atmel PIO controller, which manages
+ up to 128 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.
+
config LPC32XX_GPIO
bool "LPC32XX GPIO driver"
depends on DM