diff --git a/soc/arm/nxp_lpc/lpc54xxx/soc.c b/soc/arm/nxp_lpc/lpc54xxx/soc.c
index fe1d123a5c2..3b94ce658d7 100644
--- a/soc/arm/nxp_lpc/lpc54xxx/soc.c
+++ b/soc/arm/nxp_lpc/lpc54xxx/soc.c
@@ -49,10 +49,10 @@ static ALWAYS_INLINE void clkInit(void)
 	CLOCK_AttachClk(kFRO12M_to_MAIN_CLK);
 
 	/* Set FLASH wait states for core */
-	CLOCK_SetFLASHAccessCyclesForFreq(CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC);
+	CLOCK_SetFLASHAccessCyclesForFreq(DT_ARM_CORTEX_M4F_0_CLOCK_FREQUENCY);
 
 	/* Set up high frequency FRO output to selected frequency */
-	CLOCK_SetupFROClocking(CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC);
+	CLOCK_SetupFROClocking(DT_ARM_CORTEX_M4F_0_CLOCK_FREQUENCY);
 
 	/* Set up dividers */
 	/* Set AHBCLKDIV divider to value 1 */