[PATCH v2 5/7] Input: dt-bindings: tm2-touchkey: Document new keycodes property

["Paweł Chmiel" <pawel.mikolaj.chmiel@gmail.com>]

From: Jonathan Bakker <xc-racer2@live.ca>

Document new optional property for setting custom keycodes.

Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
---
Changes from v1:
  - Because key codes could be bigger than 255, use ints for keycodes
---
 .../devicetree/bindings/input/cypress,tm2-touchkey.txt        | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt b/Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt
index dfb3b9f0ee40..15d4bf4f307e 100644
--- a/Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt
+++ b/Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt
@@ -10,6 +10,9 @@ Required properties:
 - vcc-supply : internal regulator output. 1.8V
 - vdd-supply : power supply for IC 3.3V
 
+Optional properties:
+- keycodes: array of keycodes (max 4), default KEY_PHONE and KEY_BACK
+
 [0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
 
 Example:
@@ -23,5 +26,6 @@ Example:
 			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
 			vcc-supply=<&ldo32_reg>;
 			vdd-supply=<&ldo33_reg>;
+			keycodes = <KEY_PHONE KEY_BACK>;
 		};
 	};
-- 
2.17.1