leds {
compatible = "gpio-leds";
+--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
++++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
+@@ -24,6 +24,18 @@
+ 0x88000000 0x18000000>;
+ };
+
++ chipcommonA {
++ uart0: serial@0300 {
++ status = "okay";
++ clock-frequency = <125000000>;
++ };
++
++ uart1: serial@0400 {
++ status = "okay";
++ clock-frequency = <125000000>;
++ };
++ };
++
+ clocks {
+ clk_periph: periph {
+ clock-frequency = <500000000>;