Input: Add touchscreen support for Colibri VF50

The Colibri Vybrid VF50 module supports 4-wire touchscreens using
FETs and ADC inputs. This driver uses the IIO consumer interface
and relies on the vf610_adc driver based on the IIO framework.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 059edeb7f04a..a6d7a4d8dbb7 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -1040,4 +1040,16 @@ config TOUCHSCREEN_ZFORCE
           To compile this driver as a module, choose M here: the
           module will be called zforce_ts.
 
+config TOUCHSCREEN_COLIBRI_VF50
+        tristate "Toradex Colibri on board touchscreen driver"
+        depends on GPIOLIB && IIO && VF610_ADC
+        help
+          Say Y here if you have a Colibri VF50 and plan to use
+          the on-board provided 4-wire touchscreen driver.
+
+          If unsure, say N.
+
+          To compile this driver as a module, choose M here: the
+          module will be called colibri_vf50_ts.
+
 endif