Input: add st-keyscan driver

This patch adds ST Keyscan driver to use the keypad hw a subset of ST
boards provide. Specific board setup will be put in the given dt.

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Giuseppe Condorelli <giuseppe.condorelli@st.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 76842d7dc2e3..948a30304870 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -524,6 +524,17 @@ config KEYBOARD_STOWAWAY
           To compile this driver as a module, choose M here: the
           module will be called stowaway.
 
+config KEYBOARD_ST_KEYSCAN
+        tristate "STMicroelectronics keyscan support"
+        depends on ARCH_STI || COMPILE_TEST
+        select INPUT_MATRIXKMAP
+        help
+          Say Y here if you want to use a keypad attached to the keyscan block
+          on some STMicroelectronics SoC devices.
+
+          To compile this driver as a module, choose M here: the
+          module will be called st-keyscan.
+
 config KEYBOARD_SUNKBD
         tristate "Sun Type 4 and Type 5 keyboard"
         select SERIO