diff --git a/arch/arm/dts/stm32mp15xx-dhcom.dtsi b/arch/arm/dts/stm32mp15xx-dhcom.dtsi
index f022d8395c..9049245c5b 100644
--- a/arch/arm/dts/stm32mp15xx-dhcom.dtsi
+++ b/arch/arm/dts/stm32mp15xx-dhcom.dtsi
@@ -339,6 +339,20 @@
 	status = "okay";
 };
 
+&sdmmc1_b4_pins_a {
+	/*
+	 * SD bus pull-up resistors:
+	 * - optional on SoMs with SD voltage translator
+	 * - mandatory on SoMs without SD voltage translator
+	 */
+	pins1 {
+		bias-pull-up;
+	};
+	pins2 {
+		bias-pull-up;
+	};
+};
+
 &sdmmc2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_a>;