gpio/rc5t583: add gpio driver for RICOH PMIC RC5T583

The PMIC device RC5T583 from RICOH supports 8 gpios.
Adding gpio driver for this device to access the pins
control through gpio library.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
[grant.likely: slight cosmetic changes]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 25535ebf4f90..7028f7bee7fc 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -301,6 +301,15 @@ config GPIO_PCF857X
           This driver provides an in-kernel interface to those GPIOs using
           platform-neutral GPIO calls.
 
+config GPIO_RC5T583
+        bool "RICOH RC5T583 GPIO"
+        depends on MFD_RC5T583
+        help
+          Select this option to enable GPIO driver for the Ricoh RC5T583
+          chip family.
+          This driver provides the support for driving/reading the gpio pins
+          of RC5T583 device through standard gpio library.
+
 config GPIO_SX150X
         bool "Semtech SX150x I2C GPIO expander"
         depends on I2C=y