diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
index c4851271e810..9ec4694e93a7 100644
--- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
@@ -246,6 +246,13 @@ pins2 {
 				};
 			};
 
+			m_can1_sleep_pins_a: m_can1-sleep@0 {
+				pins {
+					pinmux = <STM32_PINMUX('H', 13, ANALOG)>, /* CAN1_TX */
+						 <STM32_PINMUX('I', 9, ANALOG)>; /* CAN1_RX */
+				};
+			};
+
 			pwm2_pins_a: pwm2-0 {
 				pins {
 					pinmux = <STM32_PINMUX('A', 3, AF1)>; /* TIM2_CH4 */