diff --git a/boards/intel/ish/Kconfig.defconfig b/boards/intel/ish/Kconfig.defconfig
index fdedc70fd29b5..6112d43c0499e 100644
--- a/boards/intel/ish/Kconfig.defconfig
+++ b/boards/intel/ish/Kconfig.defconfig
@@ -9,4 +9,5 @@ config TEST_EXTRA_STACK_SIZE
 endif # TEST
 
 config SYS_CLOCK_TICKS_PER_SEC
-	default 2048 if HPET_TIMER # HPET is 32768 HZ
+	default 2048 if HPET_TIMER # HPET timer's frequency is 32768 HZ
+	default 2000 if APIC_TIMER_TSC # APIC timer's frequency is 19.2 MHZ or 100 MHZ
diff --git a/soc/intel/intel_ish/Kconfig.defconfig b/soc/intel/intel_ish/Kconfig.defconfig
index e944782809e84..9b58aa8f4526e 100644
--- a/soc/intel/intel_ish/Kconfig.defconfig
+++ b/soc/intel/intel_ish/Kconfig.defconfig
@@ -8,6 +8,8 @@ if SOC_FAMILY_INTEL_ISH
 
 config SYS_CLOCK_HW_CYCLES_PER_SEC
 	default 32768 if HPET_TIMER
+	default 96000000 if APIC_TIMER_TSC && SOC_INTEL_ISH_5_4_1
+	default 100000000 if APIC_TIMER_TSC && !SOC_INTEL_ISH_5_4_1
 
 config X86_VERY_EARLY_CONSOLE
 	default n
@@ -21,6 +23,21 @@ config SRAM_OFFSET
 config X86_PC_COMPATIBLE
 	default n
 
+if APIC_TIMER_TSC
+
+config DYNAMIC_INTERRUPTS
+	default y
+
+if SOC_INTEL_ISH_5_4_1
+
+config APIC_TIMER_TSC_N
+	default 1280
+
+config APIC_TIMER_TSC_M
+	default 256
+endif
+endif
+
 rsource "*/Kconfig.defconfig.series"
 
 endif # SOC_FAMILY_INTEL_ISH