gpio-keys {
compatible = "gpio-keys-polled";
#address-cells = <1>;
+--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
++++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+@@ -23,4 +23,16 @@
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x08000000>;
+ };
++
++ chipcommonA {
++ uart0: serial@0300 {
++ status = "okay";
++ clock-frequency = <130000000>;
++ };
++
++ uart1: serial@0400 {
++ status = "okay";
++ clock-frequency = <130000000>;
++ };
++ };
+ };