diff --git a/include/dt-bindings/mfd/stm32f7-rcc.h b/include/dt-bindings/mfd/stm32f7-rcc.h
index a90f3613c584..8d73a9c51e2b 100644
--- a/include/dt-bindings/mfd/stm32f7-rcc.h
+++ b/include/dt-bindings/mfd/stm32f7-rcc.h
@@ -64,6 +64,7 @@
 #define STM32F7_RCC_APB1_TIM14		8
 #define STM32F7_RCC_APB1_LPTIM1		9
 #define STM32F7_RCC_APB1_WWDG		11
+#define STM32F7_RCC_APB1_CAN3		13
 #define STM32F7_RCC_APB1_SPI2		14
 #define STM32F7_RCC_APB1_SPI3		15
 #define STM32F7_RCC_APB1_SPDIFRX	16