diff --git a/arch/arm/boot/dts/ccu9540.dts b/arch/arm/boot/dts/ccu9540.dts
index c72d7aa333e4cf5889182fd87883219f8fbeffcf..b657d71bc4fa92be49e7f8079cb82c26b77d83c2 100644
--- a/arch/arm/boot/dts/ccu9540.dts
+++ b/arch/arm/boot/dts/ccu9540.dts
@@ -52,7 +52,7 @@
 		// WLAN SDIO channel
 		sdi1_per2@80118000 {
 			arm,primecell-periphid = <0x10480180>;
-			max-frequency = <50000000>;
+			max-frequency = <100000000>;
 			bus-width = <4>;
 
 			status = "okay";
diff --git a/arch/arm/boot/dts/href.dtsi b/arch/arm/boot/dts/href.dtsi
index e3154296c39a85767326aaa76cdf09915e6a5be7..567a18b51d5ecee1e981df2b90280d6e69acac21 100644
--- a/arch/arm/boot/dts/href.dtsi
+++ b/arch/arm/boot/dts/href.dtsi
@@ -108,7 +108,7 @@
 		// External Micro SD slot
 		sdi0_per1@80126000 {
 			arm,primecell-periphid = <0x10480180>;
-			max-frequency = <50000000>;
+			max-frequency = <100000000>;
 			bus-width = <4>;
 			mmc-cap-sd-highspeed;
 			mmc-cap-mmc-highspeed;
@@ -123,7 +123,7 @@
 		// WLAN SDIO channel
 		sdi1_per2@80118000 {
 			arm,primecell-periphid = <0x10480180>;
-			max-frequency = <50000000>;
+			max-frequency = <100000000>;
 			bus-width = <4>;
 
 			status = "okay";
@@ -132,7 +132,7 @@
 		// PoP:ed eMMC
 		sdi2_per3@80005000 {
 			arm,primecell-periphid = <0x10480180>;
-			max-frequency = <50000000>;
+			max-frequency = <100000000>;
 			bus-width = <8>;
 			mmc-cap-mmc-highspeed;
 
@@ -142,7 +142,7 @@
 		// On-board eMMC
 		sdi4_per2@80114000 {
 			arm,primecell-periphid = <0x10480180>;
-		        max-frequency = <50000000>;
+		        max-frequency = <100000000>;
 			bus-width = <8>;
 			mmc-cap-mmc-highspeed;
 			vmmc-supply = <&ab8500_ldo_aux2_reg>;
diff --git a/arch/arm/boot/dts/hrefv60plus.dts b/arch/arm/boot/dts/hrefv60plus.dts
index 5dfc73a22232ecaffa452d5f45fd86ef167c15aa..26f33a6fd3e4d2e6b009896cdce3974a430c47f4 100644
--- a/arch/arm/boot/dts/hrefv60plus.dts
+++ b/arch/arm/boot/dts/hrefv60plus.dts
@@ -34,7 +34,7 @@
 		// External Micro SD slot
 		sdi0_per1@80126000 {
 			arm,primecell-periphid = <0x10480180>;
-			max-frequency = <50000000>;
+			max-frequency = <100000000>;
 			bus-width = <4>;
 			mmc-cap-sd-highspeed;
 			mmc-cap-mmc-highspeed;
@@ -48,7 +48,7 @@
 		// WLAN SDIO channel
 		sdi1_per2@80118000 {
 			arm,primecell-periphid = <0x10480180>;
-			max-frequency = <50000000>;
+			max-frequency = <100000000>;
 			bus-width = <4>;
 
 			status = "okay";
@@ -57,7 +57,7 @@
 		// PoP:ed eMMC
 		sdi2_per3@80005000 {
 			arm,primecell-periphid = <0x10480180>;
-			max-frequency = <50000000>;
+			max-frequency = <100000000>;
 			bus-width = <8>;
 			mmc-cap-mmc-highspeed;
 
@@ -67,7 +67,7 @@
 		// On-board eMMC
 		sdi4_per2@80114000 {
 			arm,primecell-periphid = <0x10480180>;
-		        max-frequency = <50000000>;
+		        max-frequency = <100000000>;
 			bus-width = <8>;
 			mmc-cap-mmc-highspeed;
 			vmmc-supply = <&ab8500_ldo_aux2_reg>;
diff --git a/arch/arm/boot/dts/snowball.dts b/arch/arm/boot/dts/snowball.dts
index e8219cc7683e0c8d6818a5c6a0a18519eb27ee29..829a65f9529573aeb8a503991906509ecc65d600 100644
--- a/arch/arm/boot/dts/snowball.dts
+++ b/arch/arm/boot/dts/snowball.dts
@@ -129,7 +129,7 @@
 		// External Micro SD slot
 		sdi0_per1@80126000 {
 			arm,primecell-periphid = <0x10480180>;
-			max-frequency = <50000000>;
+			max-frequency = <100000000>;
 			bus-width = <4>;
 			mmc-cap-mmc-highspeed;
 			vmmc-supply = <&ab8500_ldo_aux3_reg>;
@@ -144,7 +144,7 @@
 		// On-board eMMC
 		sdi4_per2@80114000 {
 			arm,primecell-periphid = <0x10480180>;
-		        max-frequency = <50000000>;
+		        max-frequency = <100000000>;
 			bus-width = <8>;
 			mmc-cap-mmc-highspeed;
 			vmmc-supply = <&ab8500_ldo_aux2_reg>;