diff --git a/arch/arm/boot/dts/ste-dbx5x0.dtsi b/arch/arm/boot/dts/ste-dbx5x0.dtsi
index e41eedca3ce3..9d2323020d34 100644
--- a/arch/arm/boot/dts/ste-dbx5x0.dtsi
+++ b/arch/arm/boot/dts/ste-dbx5x0.dtsi
@@ -875,6 +875,10 @@ sdi3_per2@80119000 {
 			reg = <0x80119000 0x1000>;
 			interrupts = <0 59 IRQ_TYPE_LEVEL_HIGH>;
 
+			dmas = <&dma 41 0 0x2>, /* Logical - DevToMem */
+			       <&dma 41 0 0x0>; /* Logical - MemToDev */
+			dma-names = "rx", "tx";
+
 			clocks = <&prcc_kclk 2 5>, <&prcc_pclk 2 7>;
 			clock-names = "sdi", "apb_pclk";
 
@@ -901,6 +905,10 @@ sdi5_per3@80008000 {
 			reg = <0x80008000 0x1000>;
 			interrupts = <0 100 IRQ_TYPE_LEVEL_HIGH>;
 
+			dmas = <&dma 43 0 0x2>, /* Logical - DevToMem */
+			       <&dma 43 0 0x0>; /* Logical - MemToDev */
+			dma-names = "rx", "tx";
+
 			clocks = <&prcc_kclk 3 7>, <&prcc_pclk 3 7>;
 			clock-names = "sdi", "apb_pclk";
 
@@ -929,6 +937,7 @@ msp1: msp@80124000 {
 			interrupts = <0 62 IRQ_TYPE_LEVEL_HIGH>;
 			v-ape-supply = <&db8500_vape_reg>;
 
+			/* This DMA channel only exist on DB8500 v1 */
 			dmas = <&dma 30 0 0x10>; /* Logical - MemToDev - HighPrio */
 			dma-names = "tx";
 
@@ -962,6 +971,7 @@ msp3: msp@80125000 {
 			interrupts = <0 62 IRQ_TYPE_LEVEL_HIGH>;
 			v-ape-supply = <&db8500_vape_reg>;
 
+			/* This DMA channel only exist on DB8500 v2 */
 			dmas = <&dma 30 0 0x12>; /* Logical - DevToMem - HighPrio */
 			dma-names = "rx";