diff --git a/arch/x86/dts/bayleybay.dts b/arch/x86/dts/bayleybay.dts
index aa86387..d3380de 100644
--- a/arch/x86/dts/bayleybay.dts
+++ b/arch/x86/dts/bayleybay.dts
@@ -13,6 +13,7 @@
 /include/ "keyboard.dtsi"
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Intel Bayley Bay";
diff --git a/arch/x86/dts/broadwell_som-6896.dts b/arch/x86/dts/broadwell_som-6896.dts
index a6b5d0f..194f0eb 100644
--- a/arch/x86/dts/broadwell_som-6896.dts
+++ b/arch/x86/dts/broadwell_som-6896.dts
@@ -3,6 +3,7 @@
 /include/ "skeleton.dtsi"
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Advantech SOM-6896";
diff --git a/arch/x86/dts/chromebook_link.dts b/arch/x86/dts/chromebook_link.dts
index 7870bb1..c4469a9 100644
--- a/arch/x86/dts/chromebook_link.dts
+++ b/arch/x86/dts/chromebook_link.dts
@@ -4,6 +4,7 @@
 /include/ "keyboard.dtsi"
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Google Link";
diff --git a/arch/x86/dts/chromebox_panther.dts b/arch/x86/dts/chromebox_panther.dts
index 61e8f2f..4e2b517 100644
--- a/arch/x86/dts/chromebox_panther.dts
+++ b/arch/x86/dts/chromebox_panther.dts
@@ -3,6 +3,7 @@
 /include/ "skeleton.dtsi"
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Google Panther";
diff --git a/arch/x86/dts/crownbay.dts b/arch/x86/dts/crownbay.dts
index eb8421c..e17ce71 100644
--- a/arch/x86/dts/crownbay.dts
+++ b/arch/x86/dts/crownbay.dts
@@ -12,6 +12,7 @@
 /include/ "serial.dtsi"
 /include/ "keyboard.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Intel Crown Bay";
diff --git a/arch/x86/dts/efi.dts b/arch/x86/dts/efi.dts
index 1f50428..6cd8116 100644
--- a/arch/x86/dts/efi.dts
+++ b/arch/x86/dts/efi.dts
@@ -7,6 +7,7 @@
 /dts-v1/;
 
 /include/ "skeleton.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "EFI";
@@ -16,6 +17,10 @@
 		stdout-path = &serial;
 	};
 
+	tsc-timer {
+		clock-frequency = <1000000000>;
+	};
+
 	serial: serial {
 		compatible = "efi,uart";
 	};
diff --git a/arch/x86/dts/galileo.dts b/arch/x86/dts/galileo.dts
index b49b1f5..2342de7 100644
--- a/arch/x86/dts/galileo.dts
+++ b/arch/x86/dts/galileo.dts
@@ -11,6 +11,7 @@
 
 /include/ "skeleton.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Intel Galileo";
@@ -28,6 +29,10 @@
 		stdout-path = &pciuart0;
 	};
 
+	tsc-timer {
+		clock-frequency = <400000000>;
+	};
+
 	mrc {
 		compatible = "intel,quark-mrc";
 		flags = <MRC_FLAG_SCRAMBLE_EN>;
diff --git a/arch/x86/dts/minnowmax.dts b/arch/x86/dts/minnowmax.dts
index b03f987..bbfd6d4 100644
--- a/arch/x86/dts/minnowmax.dts
+++ b/arch/x86/dts/minnowmax.dts
@@ -12,6 +12,7 @@
 /include/ "skeleton.dtsi"
 /include/ "serial.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "Intel Minnowboard Max";
diff --git a/arch/x86/dts/qemu-x86_i440fx.dts b/arch/x86/dts/qemu-x86_i440fx.dts
index 8da7e52..8a06229 100644
--- a/arch/x86/dts/qemu-x86_i440fx.dts
+++ b/arch/x86/dts/qemu-x86_i440fx.dts
@@ -12,6 +12,7 @@
 /include/ "serial.dtsi"
 /include/ "keyboard.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "QEMU x86 (I440FX)";
@@ -44,6 +45,10 @@
 		};
 	};
 
+	tsc-timer {
+		clock-frequency = <1000000000>;
+	};
+
 	pci {
 		compatible = "pci-x86";
 		#address-cells = <3>;
diff --git a/arch/x86/dts/qemu-x86_q35.dts b/arch/x86/dts/qemu-x86_q35.dts
index df30c89..0b685c8 100644
--- a/arch/x86/dts/qemu-x86_q35.dts
+++ b/arch/x86/dts/qemu-x86_q35.dts
@@ -22,6 +22,7 @@
 /include/ "serial.dtsi"
 /include/ "keyboard.dtsi"
 /include/ "rtc.dtsi"
+/include/ "tsc_timer.dtsi"
 
 / {
 	model = "QEMU x86 (Q35)";
@@ -55,6 +56,10 @@
 		};
 	};
 
+	tsc-timer {
+		clock-frequency = <1000000000>;
+	};
+
 	pci {
 		compatible = "pci-x86";
 		#address-cells = <3>;
diff --git a/arch/x86/dts/tsc_timer.dtsi b/arch/x86/dts/tsc_timer.dtsi
new file mode 100644
index 0000000..4f5021d
--- /dev/null
+++ b/arch/x86/dts/tsc_timer.dtsi
@@ -0,0 +1,6 @@
+/ {
+	tsc-timer {
+		compatible = "x86,tsc-timer";
+		u-boot,dm-pre-reloc;
+	};
+};