diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts
index aae8d3512f4bd8729ad5f8eb03c7a8be10c5fe7e..ee100d108ea2116f8492515e0252b58dee2280bc 100644
--- a/arch/arm/boot/dts/stm32mp135f-dk.dts
+++ b/arch/arm/boot/dts/stm32mp135f-dk.dts
@@ -38,9 +38,10 @@
 };
 
 &sdmmc1 {
-	pinctrl-names = "default", "opendrain";
+	pinctrl-names = "default", "opendrain", "sleep";
 	pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_clk_pins_a>;
 	pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_clk_pins_a>;
+	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
 	broken-cd;
 	disable-wp;
 	st,neg-edge;