Add devicetree binding documentation for TSC2005 touchscreen.

Signed-off-by: Sebastian Reichel <s...@debian.org>
---
 .../bindings/input/touchscreen/tsc2005.txt         | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 
Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt

diff --git a/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt 
b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt
new file mode 100644
index 0000000..4e7df0b
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt
@@ -0,0 +1,49 @@
+* TSC2005 Touchscreen
+
+Required properties:
+ - compatible                : "ti,tsc2005"
+ - reg                       : SPI device address
+ - spi-max-frequency         : Maximal SPI speed
+ - interrupts                : IRQ specifier
+ - reset-gpio                : GPIO specifier
+
+Optional properties:
+ - ti,fuzz-x                 : integer, X noise value of the touchscreen
+                               (defaults to 4)
+ - ti,fuzz-y                 : integer, Y noise value of the touchscreen
+                               (defaults to 8)
+ - ti,fuzz-pressure          : integer, pressure noise value of the touchscreen
+                               (defaults to 2)
+ - ti,max-x                  : integer, maximum reported x value
+                               (defaults to 4096)
+ - ti,max-y                  : integer, maximum reported y value
+                               (defaults to 4096)
+ - ti,max-pressure           : integer, maximum reported pressure
+                               (defaults to 4096)
+ - ti,x-plate-resistance      : integer, resistance of the touchscreen's X 
plates
+                               in ohm (defaults to 280)
+ - ti,esd-recovery-timeout-ms : integer, if the touchscreen does not respond 
after
+                               the configured time (in milli seconds), the 
driver
+                               will reset it. This is disabled by default.
+
+Example:
+
+&mcspi1 {
+       tsc2005@0 {
+               compatible = "ti,tsc2005";
+               spi-max-frequency = <6000000>;
+               reg = <0>;
+               reset-gpio = <&gpio4 8 GPIO_ACTIVE_HIGH>; /* 104 */
+               interrupt-parent = <&gpio4>;
+               interrupts = <4 IRQ_TYPE_NONE>; /* gpio line 100 */
+
+               ti,fuzz-x = <4>;
+               ti,fuzz-y = <7>;
+               ti,fuzz-pressure = <2>;
+               ti,max-x = <4096>;
+               ti,max-y = <4096>;
+               ti,max-pressure = <2048>;
+               ti,x-plate-resistance = <280>;
+               ti,esd-recovery-timeout-ms = <8000>;
+       };
+}
-- 
1.8.4.3

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