diff --git a/arch/arm/boot/dts/rk3288-p977_8846.dts b/arch/arm/boot/dts/rk3288-p977_8846.dts
index 453c86972a7d..64a6a362b011 100755
--- a/arch/arm/boot/dts/rk3288-p977_8846.dts
+++ b/arch/arm/boot/dts/rk3288-p977_8846.dts
@@ -196,7 +196,7 @@
     
 &sdmmc {
 	clock-frequency = <50000000>;
-	lock-freq-min-max = <400000 50000000>;	            
+	clock-freq-min-max = <400000 50000000>;	            
 	    
 	supports-highspeed;
 	supports-sd;