Input: add AD7879 Touchscreen driver

[randy.dunlap@oracle.com: don't use bus_id]
[dtor@mail.ru: locking and other fixups]
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 32 insertions, 0 deletions

diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index afeb7554bfe2..b01fd61dadcc 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -42,6 +42,38 @@ config TOUCHSCREEN_AD7877
           To compile this driver as a module, choose M here: the
           module will be called ad7877.
 
+config TOUCHSCREEN_AD7879_I2C
+        tristate "AD7879 based touchscreens: AD7879-1 I2C Interface"
+        depends on I2C
+        select TOUCHSCREEN_AD7879
+        help
+          Say Y here if you have a touchscreen interface using the
+          AD7879-1 controller, and your board-specific initialization
+          code includes that in its table of I2C devices.
+
+          If unsure, say N (but it's safe to say "Y").
+
+          To compile this driver as a module, choose M here: the
+          module will be called ad7879.
+
+config TOUCHSCREEN_AD7879_SPI
+        tristate "AD7879 based touchscreens: AD7879 SPI Interface"
+        depends on SPI_MASTER && TOUCHSCREEN_AD7879_I2C = n
+        select TOUCHSCREEN_AD7879
+        help
+          Say Y here if you have a touchscreen interface using the
+          AD7879 controller, and your board-specific initialization
+          code includes that in its table of SPI devices.
+
+          If unsure, say N (but it's safe to say "Y").
+
+          To compile this driver as a module, choose M here: the
+          module will be called ad7879.
+
+config TOUCHSCREEN_AD7879
+        tristate
+        default n
+
 config TOUCHSCREEN_BITSY
         tristate "Compaq iPAQ H3600 (Bitsy) touchscreen"
         depends on SA1100_BITSY