diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 1efe033a..aafea7b2 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -172,6 +172,7 @@
 				pins = "PF0", "PF1", "PF2", "PF3", "PF4", "PF5";
 				function = "mmc0";
 				drive-strength = <30>;
+				bias-pull-up;
 			};
 
 			mmc0_default_cd_pin: mmc0_cd_pin@0 {
@@ -192,6 +193,7 @@
 				       "PC15", "PC16";
 				function = "mmc2";
 				drive-strength = <30>;
+				bias-pull-up;
 			};
 
 			emac_rmii_pins: emac0@0 {