diff --git a/arch/arm/boot/dts/mmp2.dtsi b/arch/arm/boot/dts/mmp2.dtsi
index 46984d4c5224f0044318c60ec1086487a59eff70..987d792f67eafb74328af33a960bf317e1aa2e49 100644
--- a/arch/arm/boot/dts/mmp2.dtsi
+++ b/arch/arm/boot/dts/mmp2.dtsi
@@ -275,7 +275,9 @@
 				compatible = "marvell,pdma-1.0";
 				reg = <0xd4000000 0x10000>;
 				interrupts = <48>;
+				/* For backwards compatibility: */
 				#dma-channels = <16>;
+				dma-channels = <16>;
 				status = "disabled";
 			};
 
diff --git a/arch/arm/boot/dts/pxa25x.dtsi b/arch/arm/boot/dts/pxa25x.dtsi
index a248bf0380333518e6f9ddfcc41c250ed308d4bb..5f8300e356adf68f1fff3ad9cf19e87c50c02b5a 100644
--- a/arch/arm/boot/dts/pxa25x.dtsi
+++ b/arch/arm/boot/dts/pxa25x.dtsi
@@ -38,9 +38,12 @@
 			compatible = "marvell,pdma-1.0";
 			reg = <0x40000000 0x10000>;
 			interrupts = <25>;
-			#dma-channels = <16>;
 			#dma-cells = <2>;
+			/* For backwards compatibility: */
+			#dma-channels = <16>;
+			dma-channels = <16>;
 			#dma-requests = <40>;
+			dma-requests = <40>;
 			status = "okay";
 		};
 
diff --git a/arch/arm/boot/dts/pxa27x.dtsi b/arch/arm/boot/dts/pxa27x.dtsi
index ccbecad9c5c7c45c67d6fab36daa38a4806c3c97..a2cbfb3be6090b0281ca400d826a6c56d19823d1 100644
--- a/arch/arm/boot/dts/pxa27x.dtsi
+++ b/arch/arm/boot/dts/pxa27x.dtsi
@@ -12,9 +12,12 @@
 			compatible = "marvell,pdma-1.0";
 			reg = <0x40000000 0x10000>;
 			interrupts = <25>;
-			#dma-channels = <32>;
 			#dma-cells = <2>;
+			/* For backwards compatibility: */
+			#dma-channels = <32>;
+			dma-channels = <32>;
 			#dma-requests = <75>;
+			dma-requests = <75>;
 			status = "okay";
 		};
 
diff --git a/arch/arm/boot/dts/pxa3xx.dtsi b/arch/arm/boot/dts/pxa3xx.dtsi
index d19674812cd2d9b3e1ca0594202862309e65ff72..f9c216f918653d7415500aa94355e0166450a00d 100644
--- a/arch/arm/boot/dts/pxa3xx.dtsi
+++ b/arch/arm/boot/dts/pxa3xx.dtsi
@@ -122,9 +122,12 @@
 			compatible = "marvell,pdma-1.0";
 			reg = <0x40000000 0x10000>;
 			interrupts = <25>;
-			#dma-channels = <32>;
 			#dma-cells = <2>;
+			/* For backwards compatibility: */
+			#dma-channels = <32>;
+			dma-channels = <32>;
 			#dma-requests = <100>;
+			dma-requests = <100>;
 			status = "okay";
 		};