diff --git a/boards/arm/lpcxpresso55s06/lpcxpresso55s06_defconfig b/boards/arm/lpcxpresso55s06/lpcxpresso55s06_defconfig
index b239a73b8c0..a743b67e2fd 100644
--- a/boards/arm/lpcxpresso55s06/lpcxpresso55s06_defconfig
+++ b/boards/arm/lpcxpresso55s06/lpcxpresso55s06_defconfig
@@ -13,7 +13,6 @@ CONFIG_SERIAL=y
 CONFIG_UART_INTERRUPT_DRIVEN=y
 CONFIG_GPIO=y
 CONFIG_PINCTRL=y
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
 CONFIG_ARM_MPU=y
 
 CONFIG_RUNTIME_NMI=y
diff --git a/boards/arm/lpcxpresso55s16/lpcxpresso55s16_defconfig b/boards/arm/lpcxpresso55s16/lpcxpresso55s16_defconfig
index 1c7617436ce..44af7c468e1 100644
--- a/boards/arm/lpcxpresso55s16/lpcxpresso55s16_defconfig
+++ b/boards/arm/lpcxpresso55s16/lpcxpresso55s16_defconfig
@@ -13,7 +13,6 @@ CONFIG_SERIAL=y
 CONFIG_UART_INTERRUPT_DRIVEN=y
 CONFIG_GPIO=y
 CONFIG_PINCTRL=y
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
 CONFIG_ARM_MPU=y
 
 CONFIG_RUNTIME_NMI=y
diff --git a/boards/arm/lpcxpresso55s28/lpcxpresso55s28_defconfig b/boards/arm/lpcxpresso55s28/lpcxpresso55s28_defconfig
index d99a3d01c55..8ce8f718d7e 100644
--- a/boards/arm/lpcxpresso55s28/lpcxpresso55s28_defconfig
+++ b/boards/arm/lpcxpresso55s28/lpcxpresso55s28_defconfig
@@ -13,7 +13,6 @@ CONFIG_SERIAL=y
 CONFIG_UART_INTERRUPT_DRIVEN=y
 CONFIG_GPIO=y
 CONFIG_PINCTRL=y
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
 CONFIG_ARM_MPU=y
 CONFIG_HW_STACK_PROTECTION=y
 
diff --git a/boards/arm/lpcxpresso55s36/lpcxpresso55s36_defconfig b/boards/arm/lpcxpresso55s36/lpcxpresso55s36_defconfig
index 40c1b5fec75..4bf154138af 100644
--- a/boards/arm/lpcxpresso55s36/lpcxpresso55s36_defconfig
+++ b/boards/arm/lpcxpresso55s36/lpcxpresso55s36_defconfig
@@ -13,7 +13,6 @@ CONFIG_SERIAL=y
 CONFIG_UART_INTERRUPT_DRIVEN=y
 CONFIG_GPIO=y
 CONFIG_PINCTRL=y
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
 CONFIG_ARM_MPU=y
 
 CONFIG_RUNTIME_NMI=y
diff --git a/boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu0_defconfig b/boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu0_defconfig
index f6bfb945eec..ece94dd0b6f 100644
--- a/boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu0_defconfig
+++ b/boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu0_defconfig
@@ -12,7 +12,6 @@ CONFIG_UART_CONSOLE=y
 CONFIG_SERIAL=y
 CONFIG_UART_INTERRUPT_DRIVEN=y
 CONFIG_GPIO=y
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
 CONFIG_ARM_MPU=y
 CONFIG_HW_STACK_PROTECTION=y
 CONFIG_PINCTRL=y
diff --git a/boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu1_defconfig b/boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu1_defconfig
index 63d74806221..d93ccd89329 100644
--- a/boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu1_defconfig
+++ b/boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu1_defconfig
@@ -8,7 +8,6 @@ CONFIG_SOC_SERIES_LPC55XXX=y
 CONFIG_SOC_LPC55S69_CPU1=y
 CONFIG_BOARD_LPCXPRESSO55S69_CPU1=y
 CONFIG_GPIO=y
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
 CONFIG_PINCTRL=y
 
 CONFIG_RUNTIME_NMI=y
diff --git a/boards/arm/lpcxpresso55s69/lpcxpresso55s69_ns_defconfig b/boards/arm/lpcxpresso55s69/lpcxpresso55s69_ns_defconfig
index a82f0241fed..451a92a74a6 100644
--- a/boards/arm/lpcxpresso55s69/lpcxpresso55s69_ns_defconfig
+++ b/boards/arm/lpcxpresso55s69/lpcxpresso55s69_ns_defconfig
@@ -12,7 +12,6 @@ CONFIG_UART_CONSOLE=y
 CONFIG_SERIAL=y
 CONFIG_UART_INTERRUPT_DRIVEN=y
 CONFIG_GPIO=y
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=96000000
 CONFIG_PINCTRL=y
 
 # TFM sets up MPU_NS, can't correctly change this configuration yet
diff --git a/soc/arm/nxp_lpc/lpc55xxx/Kconfig.soc b/soc/arm/nxp_lpc/lpc55xxx/Kconfig.soc
index a1531b8ede4..c0341a8e9c5 100644
--- a/soc/arm/nxp_lpc/lpc55xxx/Kconfig.soc
+++ b/soc/arm/nxp_lpc/lpc55xxx/Kconfig.soc
@@ -130,6 +130,10 @@ config INIT_PLL1
 	  Note that flash programming operations are limited to 100MHz, and
 	  this PLL should not be used as the core clock in those cases.
 
+config SYS_CLOCK_HW_CYCLES_PER_SEC
+	default 144000000 if INIT_PLL1
+	default 96000000
+
 config SECOND_CORE_MCUX
 	bool "LPC55xxx's second core"
 	depends on HAS_MCUX