diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index ad779a7dfefd..fee4fe51a97e 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -433,7 +433,9 @@ clk32k: slck {
 			};
 
 			tcb0: timer@f8008000 {
-				compatible = "atmel,at91sam9x5-tcb";
+				compatible = "atmel,at91sam9x5-tcb", "simple-mfd", "syscon";
+				#address-cells = <1>;
+				#size-cells = <0>;
 				reg = <0xf8008000 0x100>;
 				interrupts = <17 IRQ_TYPE_LEVEL_HIGH 0>;
 				clocks = <&tcb0_clk>, <&clk32k>;
@@ -441,7 +443,9 @@ tcb0: timer@f8008000 {
 			};
 
 			tcb1: timer@f800c000 {
-				compatible = "atmel,at91sam9x5-tcb";
+				compatible = "atmel,at91sam9x5-tcb", "simple-mfd", "syscon";
+				#address-cells = <1>;
+				#size-cells = <0>;
 				reg = <0xf800c000 0x100>;
 				interrupts = <17 IRQ_TYPE_LEVEL_HIGH 0>;
 				clocks = <&tcb0_clk>, <&clk32k>;