dt-bindings: input: ektf2127: Add elan,ektf2132 compatible string

The eKTF2132 is a touchscreen controller found, for example, in the Kobo
Aura ebook reader. It is similar to the ektf2127, but it uses a different
packet type to report touch events.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20201106112412.390724-2-j.neuschaefer@gmx.net
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/Documentation/devicetree/bindings/input/touchscreen/ektf2127.txt b/Documentation/devicetree/bindings/input/touchscreen/ektf2127.txt
index 94c4fc6..5eef5e7 100644 (file)
--- a/Documentation/devicetree/bindings/input/touchscreen/ektf2127.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/ektf2127.txt
@@ -1,7 +1,7 @@
 * Elan eKTF2127 I2C touchscreen controller
 
 Required properties:
- - compatible            : "elan,ektf2127"
+ - compatible            : "elan,ektf2127" or "elan,ektf2132"
  - reg                   : I2C slave address of the chip (0x40)
  - interrupts            : interrupt specification for the ektf2127 interrupt
  - power-gpios           : GPIO specification for the pin connected to the