gpio/ml_ioh_gpio: ML7213 GPIO driver

ML7213 is a companion chip for Intel Atom E6xx series.  This driver can be
used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output Hub) which is for
IVI(In-Vehicle Infotainment) use.  This driver can access the IOH's GPIO
device.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Rabin Vincent <rabin.vincent@stericsson.com>
Cc: Marc Zyngier <maz@misterjones.org>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 454e2bc373a8..664660e56335 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -333,6 +333,15 @@ config GPIO_PCH
           which is an IOH(Input/Output Hub) for x86 embedded processor.
           This driver can access PCH GPIO device.
 
+config GPIO_ML_IOH
+        tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
+        depends on PCI
+        help
+          ML7213 is companion chip for Intel Atom E6xx series.
+          This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
+          Hub) which is for IVI(In-Vehicle Infotainment) use.
+          This driver can access the IOH's GPIO device.
+
 config GPIO_TIMBERDALE
         bool "Support for timberdale GPIO IP"
         depends on MFD_TIMBERDALE && GPIOLIB && HAS_IOMEM