ARM: dts: r8a77470: Add SCIF DMA support

Add SCIF DMA support for R8A77470 SoC.
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a77470.dtsi

@@ -198,6 +198,9 @@ scif0: serial@e6e60000 {
 			clocks = <&cpg CPG_MOD 721>,
 				 <&cpg CPG_CORE 5>, <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac0 0x29>, <&dmac0 0x2a>,
+			       <&dmac1 0x29>, <&dmac1 0x2a>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc 32>;
 			resets = <&cpg 721>;
 			status = "disabled";
@@ -211,6 +214,9 @@ scif1: serial@e6e68000 {
 			clocks = <&cpg CPG_MOD 720>,
 				 <&cpg CPG_CORE 5>, <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac0 0x2d>, <&dmac0 0x2e>,
+			       <&dmac1 0x2d>, <&dmac1 0x2e>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc 32>;
 			resets = <&cpg 720>;
 			status = "disabled";
@@ -224,6 +230,9 @@ scif2: serial@e6e58000 {
 			clocks = <&cpg CPG_MOD 719>,
 				 <&cpg CPG_CORE 5>, <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac0 0x2b>, <&dmac0 0x2c>,
+			       <&dmac1 0x2b>, <&dmac1 0x2c>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc 32>;
 			resets = <&cpg 719>;
 			status = "disabled";
@@ -237,6 +246,9 @@ scif3: serial@e6ea8000 {
 			clocks = <&cpg CPG_MOD 718>,
 				 <&cpg CPG_CORE 5>, <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac0 0x2f>, <&dmac0 0x30>,
+			       <&dmac1 0x2f>, <&dmac1 0x30>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc 32>;
 			resets = <&cpg 718>;
 			status = "disabled";
@@ -250,6 +262,9 @@ scif4: serial@e6ee0000 {
 			clocks = <&cpg CPG_MOD 715>,
 				 <&cpg CPG_CORE 5>, <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac0 0xfb>, <&dmac0 0xfc>,
+			       <&dmac1 0xfb>, <&dmac1 0xfc>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc 32>;
 			resets = <&cpg 715>;
 			status = "disabled";
@@ -263,6 +278,9 @@ scif5: serial@e6ee8000 {
 			clocks = <&cpg CPG_MOD 714>,
 				 <&cpg CPG_CORE 5>, <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac0 0xfd>, <&dmac0 0xfe>,
+			       <&dmac1 0xfd>, <&dmac1 0xfe>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc 32>;
 			resets = <&cpg 714>;
 			status = "disabled";