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-rw-r--r--dts/Bindings/input/gpio-matrix-keypad.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/dts/Bindings/input/gpio-matrix-keypad.txt b/dts/Bindings/input/gpio-matrix-keypad.txt
index d0ea09ba24..570dc10f0c 100644
--- a/dts/Bindings/input/gpio-matrix-keypad.txt
+++ b/dts/Bindings/input/gpio-matrix-keypad.txt
@@ -24,6 +24,8 @@ Optional Properties:
- debounce-delay-ms: debounce interval in milliseconds
- col-scan-delay-us: delay, measured in microseconds, that is needed
before we can scan keypad after activating column gpio
+- drive-inactive-cols: drive inactive columns during scan,
+ default is to turn inactive columns into inputs.
Example:
matrix-keypad {