diff --git a/fdts/stm32mp135f-dk.dts b/fdts/stm32mp135f-dk.dts
index 6240381..e58be40 100644
--- a/fdts/stm32mp135f-dk.dts
+++ b/fdts/stm32mp135f-dk.dts
@@ -303,7 +303,7 @@
 
 &sdmmc1 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&sdmmc1_b4_pins_a>;
+	pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_clk_pins_a>;
 	disable-wp;
 	st,neg-edge;
 	bus-width = <4>;