GPIO: DA9052 GPIO module v3

DA9052 PMIC has 16 bit GPIO bus for peripheral control.

This patch add support for the GPIO pins on the DA9052.

Signed-off-by: David Dajun Chen <dchen@diasemi.com>
Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 9f06e63..a4ac78b 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -68,6 +68,12 @@
 
 # put drivers in the right section, in alphabetical order
 
+config GPIO_DA9052
+	tristate "Dialog DA9052 GPIO"
+	depends on PMIC_DA9052
+	help
+	  Say yes here to enable the GPIO driver for the DA9052 chip.
+
 config GPIO_MAX730X
 	tristate