diff --git a/target/linux/lantiq/dts/VGV7510KW22.dtsi b/target/linux/lantiq/dts/VGV7510KW22.dtsi
index 370ef57e06..9bc034d9d6 100644
--- a/target/linux/lantiq/dts/VGV7510KW22.dtsi
+++ b/target/linux/lantiq/dts/VGV7510KW22.dtsi
@@ -6,7 +6,7 @@
 	model = "VGV7510KW22 - o2 Box 6431";
 
 	chosen {
-		bootargs = "console=ttyLTQ0,115200 init=/etc/preinit";
+		bootargs = "console=ttyLTQ0,115200 init=/etc/preinit mem=62M vpe1_load_addr=0x83e00000 vpe1_mem=2M maxvpes=1 maxtcs=1";
 	};
 
 	aliases {
@@ -19,6 +19,15 @@
 		led-wifi = &wifi;
 	};
 
+	sram@1F000000 {
+		vmmc@107000 {
+			status = "okay";
+			gpios = <&gpio 30 GPIO_ACTIVE_HIGH  //fxs relay
+					 &gpio 31 GPIO_ACTIVE_HIGH  //still unknown
+					 &gpio 3  GPIO_ACTIVE_HIGH>; //reset_slic?
+		};
+	};
+
 	memory@0 {
 		reg = <0x0 0x4000000>;
 	};