[PATCH 1/4] dt-bindings: Input: da9062 - add key-opmode documentation

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The onkey behaviour can be changed by programming the NONKEY_PIN
bitfield. Since the driver supports the reconfiguration we need to add
the documentation here.

Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/input/da9062-onkey.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/da9062-onkey.txt b/Documentation/devicetree/bindings/input/da9062-onkey.txt
index 5f9fbc68e58a..d1792452ceff 100644
--- a/Documentation/devicetree/bindings/input/da9062-onkey.txt
+++ b/Documentation/devicetree/bindings/input/da9062-onkey.txt
@@ -19,6 +19,12 @@ Optional properties:
     entry exists the OnKey driver will remove support for the KEY_POWER key
     press when triggered using a long press of the OnKey.
 
+- dlg,key-opmode : Set the nONKEY behaviour. This value is initial set by the
+    otp values. Check [1] for more details. Valid value range: 0x0..0x3
+
+[1] https://www.dialog-semiconductor.com/sites/default/files/ \
+    da9062_datasheet_3v6.pdf
+
 Example: DA9063
 
 	pmic0: da9063@58 {
-- 
2.20.1




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