arm64: dts: r8a7796: Enable SCIF DMA

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm64/boot/dts/renesas/r8a7796.dtsi

@@ -568,6 +568,9 @@ scif0: serial@e6e60000 {
 				 <&cpg CPG_CORE R8A7796_CLK_S3D1>,
 				 <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac1 0x51>, <&dmac1 0x50>,
+			       <&dmac2 0x51>, <&dmac2 0x50>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
 			status = "disabled";
 		};
@@ -581,6 +584,9 @@ scif1: serial@e6e68000 {
 				 <&cpg CPG_CORE R8A7796_CLK_S3D1>,
 				 <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac1 0x53>, <&dmac1 0x52>,
+			       <&dmac2 0x53>, <&dmac2 0x52>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
 			status = "disabled";
 		};
@@ -607,6 +613,8 @@ scif3: serial@e6c50000 {
 				 <&cpg CPG_CORE R8A7796_CLK_S3D1>,
 				 <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac0 0x57>, <&dmac0 0x56>;
+			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
 			status = "disabled";
 		};
@@ -620,6 +628,8 @@ scif4: serial@e6c40000 {
 				 <&cpg CPG_CORE R8A7796_CLK_S3D1>,
 				 <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac0 0x59>, <&dmac0 0x58>;
+			dma-names = "tx", "rx";
 			power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
 			status = "disabled";
 		};
@@ -633,6 +643,9 @@ scif5: serial@e6f30000 {
 				 <&cpg CPG_CORE R8A7796_CLK_S3D1>,
 				 <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac1 0x5b>, <&dmac1 0x5a>,
+			       <&dmac2 0x5b>, <&dmac2 0x5a>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
 			status = "disabled";
 		};