diff --git a/arch/arm/dts/stm32429i-eval.dts b/arch/arm/dts/stm32429i-eval.dts
index 1eec951..bd41ae3 100644
--- a/arch/arm/dts/stm32429i-eval.dts
+++ b/arch/arm/dts/stm32429i-eval.dts
@@ -20,6 +20,7 @@
 	};
 
 	memory {
+		device_type = "memory";
 		reg = <0x00000000 0x2000000>;
 	};
 
@@ -72,6 +73,7 @@
 
 	gpio_keys {
 		compatible = "gpio-keys";
+		#address-cells = <1>;
 		#size-cells = <0>;
 		autorepeat;
 		button@0 {
@@ -227,7 +229,7 @@
 	pinctrl-0 = <&sdio_pins>;
 	pinctrl-1 = <&sdio_pins_od>;
 	bus-width = <4>;
-	max-frequency = <14000000>;
+	max-frequency = <12500000>;
 };
 
 &timers1 {