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[karo-tx-linux.git] / 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
index 09089a6d69ed8d1c9b29115e6abce75a6d1a2fcd..b80c04b0e5c028a45ae85f3ba77230b509318037 100644 (file)
--- a/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt
@@ -1,14 +1,15 @@
-* Texas Instruments tsc2005 touchscreen controller
+* Texas Instruments tsc2004 and tsc2005 touchscreen controllers
 
 Required properties:
- - compatible                : "ti,tsc2005"
- - reg                       : SPI device address
- - spi-max-frequency         : Maximal SPI speed
+ - compatible                : "ti,tsc2004" or "ti,tsc2005"
+ - reg                       : Device address
  - interrupts                : IRQ specifier
- - reset-gpios               : GPIO specifier
- - vio-supply                 : Regulator specifier
+ - spi-max-frequency         : Maximum SPI clocking speed of the device
+                               (for tsc2005)
 
 Optional properties:
+ - vio-supply                : Regulator specifier
+ - reset-gpios               : GPIO specifier for the controller reset line
  - ti,x-plate-ohms           : 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
@@ -18,6 +19,27 @@ Optional properties:
 
 Example:
 
+&i2c3 {
+       tsc2004@48 {
+               compatible = "ti,tsc2004";
+               reg = <0x48>;
+               vio-supply = <&vio>;
+
+               reset-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>;
+               interrupts-extended = <&gpio1 27 IRQ_TYPE_EDGE_RISING>;
+
+               touchscreen-fuzz-x = <4>;
+               touchscreen-fuzz-y = <7>;
+               touchscreen-fuzz-pressure = <2>;
+               touchscreen-size-x = <4096>;
+               touchscreen-size-y = <4096>;
+               touchscreen-max-pressure = <2048>;
+
+               ti,x-plate-ohms = <280>;
+               ti,esd-recovery-timeout-ms = <8000>;
+       };
+}
+
 &mcspi1 {
        tsc2005@0 {
                compatible = "ti,tsc2005";