diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts
index c4729d0e6c19..66fcadf0ba91 100644
--- a/arch/arm/boot/dts/da850-lego-ev3.dts
+++ b/arch/arm/boot/dts/da850-lego-ev3.dts
@@ -352,7 +352,8 @@
 		compatible = "ti,ads7957";
 		reg = <3>;
 		#io-channel-cells = <1>;
-		spi-max-frequency = <10000000>;
+		spi-max-frequency = <1000000>;
+		ti,spi-wdelay = <63>;
 		vref-supply = <&adc_ref>;
 	};
 };