diff --git a/dts/arm/st/mp1/stm32mp1-pinctrl.dtsi b/dts/arm/st/mp1/stm32mp1-pinctrl.dtsi
index a0c0ae026c..03c6ddaf8c 100644
--- a/dts/arm/st/mp1/stm32mp1-pinctrl.dtsi
+++ b/dts/arm/st/mp1/stm32mp1-pinctrl.dtsi
@@ -19,6 +19,16 @@
 						STM32_PUSHPULL_PULLUP)>;
 				};
 			};
+			uart4_pins_a: usart4_a {
+				rx_tx {
+					rx = <STM32_PIN_PB2
+						(STM32_PINMUX_ALT_FUNC_8 |
+						STM32_PUPDR_PULL_DOWN)>;
+					tx = <STM32_PIN_PD1
+						(STM32_PINMUX_ALT_FUNC_8 |
+						STM32_PUSHPULL_PULLUP)>;
+				};
+			};
 			uart7_pins_a: uart7_a {
 				rx_tx {
 					rx = <STM32_PIN_PE7
@@ -29,6 +39,16 @@
 						STM32_PUSHPULL_PULLUP)>;
 				};
 			};
+			uart7_pins_rts_cts_a: uart7_rts_cts_a {
+				rts_cts {
+					rts = <STM32_PIN_PE9
+						(STM32_PINMUX_ALT_FUNC_7 |
+						STM32_PUPDR_PULL_DOWN)>;
+					cts = <STM32_PIN_PE10
+						(STM32_PINMUX_ALT_FUNC_7 |
+						STM32_PUSHPULL_PULLUP)>;
+				};
+			};
 		};
 	};
 };