diff --git a/sys/boot/fdt/dts/arm/armada-38x.dtsi b/sys/boot/fdt/dts/arm/armada-38x.dtsi
index 9c2c6ee138b1..c4673ecc4d09 100644
--- a/sys/boot/fdt/dts/arm/armada-38x.dtsi
+++ b/sys/boot/fdt/dts/arm/armada-38x.dtsi
@@ -154,7 +154,8 @@
 
 			crypto@90000 {
 				compatible = "mrvl,cesa";
-				reg = <0x90000 0x10000>;
+				reg = <0x90000 0x1000   /* tdma base reg chan 0 */
+				       0x9D000 0x1000>;	/* cesa base reg chan 0 */
 				interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
 				interrupt-parent = <&gic>;
 				sram-handle = <&SRAM0>;