diff --git a/arch/arm/boot/dts/bcm2836.dtsi b/arch/arm/boot/dts/bcm2836.dtsi
index da3deeb42592926f36b49770b50b549abcb6ece7..2c26d0be8b0316792188890ed677e87fc1fb13ea 100644
--- a/arch/arm/boot/dts/bcm2836.dtsi
+++ b/arch/arm/boot/dts/bcm2836.dtsi
@@ -36,6 +36,7 @@
 	cpus: cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		enable-method = "brcm,bcm2836-smp";
 
 		v7_cpu0: cpu@0 {
 			device_type = "cpu";
diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi
index 2d5de6f0f78d5be78559477f18f0940bba3e5a15..bc1cca5cf43c41b8dad3902ce1a627b625883cb3 100644
--- a/arch/arm/boot/dts/bcm2837.dtsi
+++ b/arch/arm/boot/dts/bcm2837.dtsi
@@ -30,6 +30,7 @@
 	cpus: cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		enable-method = "brcm,bcm2836-smp"; // for ARM 32-bit
 
 		cpu0: cpu@0 {
 			device_type = "cpu";