diff --git a/dts/Bindings/input/touchscreen/silead_gsl1680.txt b/dts/Bindings/input/touchscreen/silead_gsl1680.txt
index 1112e0d..820fee4 100644
--- a/dts/Bindings/input/touchscreen/silead_gsl1680.txt
+++ b/dts/Bindings/input/touchscreen/silead_gsl1680.txt
@@ -13,6 +13,7 @@
 - touchscreen-size-y	  : See touchscreen.txt
 
 Optional properties:
+- firmware-name		  : File basename (string) for board specific firmware
 - touchscreen-inverted-x  : See touchscreen.txt
 - touchscreen-inverted-y  : See touchscreen.txt
 - touchscreen-swapped-x-y : See touchscreen.txt