diff --git a/target/linux/ramips/dts/mt7628an_hiwifi_hc5661a.dts b/target/linux/ramips/dts/mt7628an_hiwifi_hc5661a.dts
index 9e4068ce8c7..52cd3afac89 100644
--- a/target/linux/ramips/dts/mt7628an_hiwifi_hc5661a.dts
+++ b/target/linux/ramips/dts/mt7628an_hiwifi_hc5661a.dts
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
 #include "mt7628an_hiwifi_hc5x61a.dtsi"
 
 / {
@@ -25,9 +27,25 @@
 	};
 };
 
+&pinctrl {
+	ephy-analog;
+
+	sdxc_router_mode: sdxc_router_mode {
+		groups = "esd", "gpio", "i2c", "sdmode", "uart1";
+		function = "gpio";
+	};
+};
+
+&sdhci {
+	status = "okay";
+
+	pinctrl-0 = <&sdxc_router_mode>;
+	pinctrl-1 = <&sdxc_router_mode>;
+};
+
 &state_default {
 	gpio {
-		groups = "i2c", "refclk", "wdt", "wled_an";
+		groups = "i2s", "refclk", "wdt", "wled_an";
 		function = "gpio";
 	};
 };
diff --git a/target/linux/ramips/dts/mt7628an_hiwifi_hc5761a.dts b/target/linux/ramips/dts/mt7628an_hiwifi_hc5761a.dts
index 5ec041c8048..940df6e19a7 100644
--- a/target/linux/ramips/dts/mt7628an_hiwifi_hc5761a.dts
+++ b/target/linux/ramips/dts/mt7628an_hiwifi_hc5761a.dts
@@ -44,9 +44,25 @@
 	};
 };
 
+&pinctrl {
+	ephy-analog;
+
+	sdxc_router_mode: sdxc_router_mode {
+		groups = "esd", "gpio", "i2c", "sdmode", "uart1";
+		function = "gpio";
+	};
+};
+
+&sdhci {
+	status = "okay";
+
+	pinctrl-0 = <&sdxc_router_mode>;
+	pinctrl-1 = <&sdxc_router_mode>;
+};
+
 &state_default {
 	gpio {
-		groups = "i2c", "refclk", "wdt", "p2led_an", "p3led_an", "wled_an";
+		groups = "i2s", "refclk", "wdt", "p2led_an", "p3led_an", "wled_an";
 		function = "gpio";
 	};
 };
diff --git a/target/linux/ramips/image/mt76x8.mk b/target/linux/ramips/image/mt76x8.mk
index 25a7344afbe..da44b0005c5 100644
--- a/target/linux/ramips/image/mt76x8.mk
+++ b/target/linux/ramips/image/mt76x8.mk
@@ -289,6 +289,7 @@ define Device/hiwifi_hc5661a
   IMAGE_SIZE := 15808k
   DEVICE_VENDOR := HiWiFi
   DEVICE_MODEL := HC5661A
+  DEVICE_PACKAGES := kmod-mmc-mtk
   SUPPORTED_DEVICES += hc5661a
 endef
 TARGET_DEVICES += hiwifi_hc5661a
@@ -297,7 +298,7 @@ define Device/hiwifi_hc5761a
   IMAGE_SIZE := 15808k
   DEVICE_VENDOR := HiWiFi
   DEVICE_MODEL := HC5761A
-  DEVICE_PACKAGES := kmod-mt76x0e kmod-usb2 kmod-usb-ohci
+  DEVICE_PACKAGES := kmod-mmc-mtk kmod-mt76x0e kmod-usb2 kmod-usb-ohci
 endef
 TARGET_DEVICES += hiwifi_hc5761a