diff --git a/boards/arm/nucleo_l552ze_q/nucleo_l552ze_q-common.dtsi b/boards/arm/nucleo_l552ze_q/nucleo_l552ze_q-common.dtsi
index 964c7fb152a..4f248fe5c59 100644
--- a/boards/arm/nucleo_l552ze_q/nucleo_l552ze_q-common.dtsi
+++ b/boards/arm/nucleo_l552ze_q/nucleo_l552ze_q-common.dtsi
@@ -34,6 +34,29 @@
 	};
 };
 
+&clk_msi{
+	status = "okay";
+	msi-range = <6>;
+};
+
+&pll {
+	div-m = <1>;
+	mul-n = <55>;
+	div-p = <7>;
+	div-q = <2>;
+	div-r = <2>;
+	clocks = <&clk_msi>;
+	status = "okay";
+};
+
+&rcc {
+	clocks = <&pll>;
+	clock-frequency = <DT_FREQ_M(110)>;
+	ahb-prescaler = <1>;
+	apb1-prescaler = <1>;
+	apb2-prescaler = <1>;
+};
+
 &rng {
 	status = "okay";
 };
diff --git a/boards/arm/nucleo_l552ze_q/nucleo_l552ze_q_defconfig b/boards/arm/nucleo_l552ze_q/nucleo_l552ze_q_defconfig
index 11ea9125e65..a8cfbb0fd0f 100644
--- a/boards/arm/nucleo_l552ze_q/nucleo_l552ze_q_defconfig
+++ b/boards/arm/nucleo_l552ze_q/nucleo_l552ze_q_defconfig
@@ -2,8 +2,6 @@
 
 CONFIG_SOC_SERIES_STM32L5X=y
 CONFIG_SOC_STM32L552XX=y
-# 110MHz system clock
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=110000000
 
 # enable uart driver
 CONFIG_SERIAL=y
@@ -14,25 +12,8 @@ CONFIG_PINMUX=y
 # enable GPIO
 CONFIG_GPIO=y
 
-# clock configuration
+# Enable clock
 CONFIG_CLOCK_CONTROL=y
-# SYSCLK selection
-CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
-# PLL configuration
-CONFIG_CLOCK_STM32_PLL_SRC_MSI=y
-CONFIG_CLOCK_STM32_MSI_RANGE=6
-#CONFIG_CLOCK_STM32_LSE=y
-#CONFIG_CLOCK_STM32_MSI_PLL_MODE=y
-# produce 110MHz clock at PLL output
-CONFIG_CLOCK_STM32_PLL_M_DIVISOR=1
-CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=55
-CONFIG_CLOCK_STM32_PLL_P_DIVISOR=7
-CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=2
-CONFIG_CLOCK_STM32_PLL_R_DIVISOR=2
-CONFIG_CLOCK_STM32_AHB_PRESCALER=1
-CONFIG_CLOCK_STM32_APB1_PRESCALER=1
-CONFIG_CLOCK_STM32_APB2_PRESCALER=1
-
 
 # console
 CONFIG_CONSOLE=y
diff --git a/boards/arm/nucleo_l552ze_q/nucleo_l552ze_q_ns_defconfig b/boards/arm/nucleo_l552ze_q/nucleo_l552ze_q_ns_defconfig
index 260cded2f25..10441298bfe 100644
--- a/boards/arm/nucleo_l552ze_q/nucleo_l552ze_q_ns_defconfig
+++ b/boards/arm/nucleo_l552ze_q/nucleo_l552ze_q_ns_defconfig
@@ -2,8 +2,6 @@
 
 CONFIG_SOC_SERIES_STM32L5X=y
 CONFIG_SOC_STM32L552XX=y
-# 110MHz system clock
-CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=110000000
 
 # enable uart driver
 CONFIG_SERIAL=y
@@ -14,24 +12,8 @@ CONFIG_PINMUX=y
 # enable GPIO
 CONFIG_GPIO=y
 
-# clock configuration
+# Enable clock
 CONFIG_CLOCK_CONTROL=y
-# SYSCLK selection
-CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
-# PLL configuration
-CONFIG_CLOCK_STM32_PLL_SRC_MSI=y
-CONFIG_CLOCK_STM32_MSI_RANGE=6
-#CONFIG_CLOCK_STM32_LSE=y
-#CONFIG_CLOCK_STM32_MSI_PLL_MODE=y
-# produce 110MHz clock at PLL output
-CONFIG_CLOCK_STM32_PLL_M_DIVISOR=1
-CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=55
-CONFIG_CLOCK_STM32_PLL_P_DIVISOR=7
-CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=2
-CONFIG_CLOCK_STM32_PLL_R_DIVISOR=2
-CONFIG_CLOCK_STM32_AHB_PRESCALER=1
-CONFIG_CLOCK_STM32_APB1_PRESCALER=1
-CONFIG_CLOCK_STM32_APB2_PRESCALER=1
 
 # console
 CONFIG_CONSOLE=y