diff --git a/hw/timer/armv7m_systick.c b/hw/timer/armv7m_systick.c
index 2f192011eb..e43f74114e 100644
--- a/hw/timer/armv7m_systick.c
+++ b/hw/timer/armv7m_systick.c
@@ -14,6 +14,7 @@
 #include "migration/vmstate.h"
 #include "hw/irq.h"
 #include "hw/sysbus.h"
+#include "hw/qdev-clock.h"
 #include "qemu/timer.h"
 #include "qemu/log.h"
 #include "qemu/module.h"
@@ -201,6 +202,9 @@ static void systick_instance_init(Object *obj)
     memory_region_init_io(&s->iomem, obj, &systick_ops, s, "systick", 0xe0);
     sysbus_init_mmio(sbd, &s->iomem);
     sysbus_init_irq(sbd, &s->irq);
+
+    s->refclk = qdev_init_clock_in(DEVICE(obj), "refclk", NULL, NULL, 0);
+    s->cpuclk = qdev_init_clock_in(DEVICE(obj), "cpuclk", NULL, NULL, 0);
 }
 
 static void systick_realize(DeviceState *dev, Error **errp)
@@ -215,9 +219,11 @@ static void systick_realize(DeviceState *dev, Error **errp)
 
 static const VMStateDescription vmstate_systick = {
     .name = "armv7m_systick",
-    .version_id = 2,
-    .minimum_version_id = 2,
+    .version_id = 3,
+    .minimum_version_id = 3,
     .fields = (VMStateField[]) {
+        VMSTATE_CLOCK(refclk, SysTickState),
+        VMSTATE_CLOCK(cpuclk, SysTickState),
         VMSTATE_UINT32(control, SysTickState),
         VMSTATE_INT64(tick, SysTickState),
         VMSTATE_PTIMER(ptimer, SysTickState),
diff --git a/include/hw/timer/armv7m_systick.h b/include/hw/timer/armv7m_systick.h
index 685fc5bc0d..38adf8d274 100644
--- a/include/hw/timer/armv7m_systick.h
+++ b/include/hw/timer/armv7m_systick.h
@@ -15,6 +15,7 @@
 #include "hw/sysbus.h"
 #include "qom/object.h"
 #include "hw/ptimer.h"
+#include "hw/clock.h"
 
 #define TYPE_SYSTICK "armv7m_systick"
 
@@ -25,6 +26,10 @@ OBJECT_DECLARE_SIMPLE_TYPE(SysTickState, SYSTICK)
  *  + sysbus MMIO region 0 is the register interface (covering
  *    the registers which are mapped at address 0xE000E010)
  *  + sysbus IRQ 0 is the interrupt line to the NVIC
+ *  + Clock input "refclk" is the external reference clock
+ *    (used when SYST_CSR.CLKSOURCE == 0)
+ *  + Clock input "cpuclk" is the main CPU clock
+ *    (used when SYST_CSR.CLKSOURCE == 1)
  */
 
 struct SysTickState {
@@ -38,6 +43,8 @@ struct SysTickState {
     ptimer_state *ptimer;
     MemoryRegion iomem;
     qemu_irq irq;
+    Clock *refclk;
+    Clock *cpuclk;
 };
 
 /*