Input: add support for TI Touchscreen controller

This patch adds support for TI's touchscreen
controller for a 4/5/8 wire resistive panel
that is directly fed to the ADC.

This touchscreen controller will be part of
AM335x TI SoC. The TRM can be found at:
http://www.ti.com/lit/ug/spruh73a/spruh73a.pdf

Signed-off-by: Patil, Rachna <rachna@ti.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 2b21a7066d36..5df719b591c3 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -460,6 +460,18 @@ config TOUCHSCREEN_TOUCHWIN
           To compile this driver as a module, choose M here: the
           module will be called touchwin.
 
+config TOUCHSCREEN_TI_TSCADC
+        tristate "TI Touchscreen Interface"
+        depends on ARCH_OMAP2PLUS
+        help
+          Say Y here if you have 4/5/8 wire touchscreen controller
+          to be connected to the ADC controller on your TI AM335x SoC.
+
+          If unsure, say N.
+
+          To compile this driver as a module, choose M here: the
+          module will be called ti_tscadc.
+
 config TOUCHSCREEN_ATMEL_TSADCC
         tristate "Atmel Touchscreen Interface"
         depends on ARCH_AT91SAM9RL || ARCH_AT91SAM9G45