--- zzzz-none-000/linux-3.10.107/Documentation/devicetree/bindings/serio/altera_ps2.txt	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/Documentation/devicetree/bindings/serio/altera_ps2.txt	2021-02-04 17:41:59.000000000 +0000
@@ -1,4 +1,5 @@
 Altera UP PS/2 controller
 
 Required properties:
-- compatible : should be "ALTR,ps2-1.0".
+- compatible : should be "ALTR,ps2-1.0". <DEPRECATED>
+- compatible : should be "altr,ps2-1.0".