+    gpio1: gpio@8012e080 {

The gpio1 label is not used and can be removed.

Otherwise,
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Cheers,
Conor.

+        compatible = "st,nomadik-gpio";
+        reg =  <0x8012e080 0x80>;
+        interrupts = <0 120 0x4>;
+        #gpio-cells = <2>;
+        gpio-controller;
+        interrupt-controller;
+        st,supports-sleepmode;
+        gpio-bank = <1>;
+    };