axi@18000000 {
usb2@21000 {
reg = <0x00021000 0x1000>;
+--- a/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
++++ b/arch/arm/boot/dts/bcm47094-netgear-r8500.dts
+@@ -24,6 +24,12 @@
+ reg = <0x00000000 0x08000000
+ 0x88000000 0x18000000>;
+ };
++
++ clocks {
++ clk_periph: periph {
++ clock-frequency = <700000000>;
++ };
++ };
+ };
+
+ &uart0 {