diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 0648fe451d097f4e63559e07a89a26227a8758d7..1d5e3ac0231ca6ab31a55c1ab7bbdccd7dff002e 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -1076,8 +1076,9 @@ hscif0: serial@e6540000 {
 				 <&cpg CPG_CORE R8A7795_CLK_S3D1>,
 				 <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
-			dmas = <&dmac1 0x31>, <&dmac1 0x30>;
-			dma-names = "tx", "rx";
+			dmas = <&dmac1 0x31>, <&dmac1 0x30>,
+			       <&dmac2 0x31>, <&dmac2 0x30>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			resets = <&cpg 520>;
 			status = "disabled";
@@ -1093,8 +1094,9 @@ hscif1: serial@e6550000 {
 				 <&cpg CPG_CORE R8A7795_CLK_S3D1>,
 				 <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
-			dmas = <&dmac1 0x33>, <&dmac1 0x32>;
-			dma-names = "tx", "rx";
+			dmas = <&dmac1 0x33>, <&dmac1 0x32>,
+			       <&dmac2 0x33>, <&dmac2 0x32>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			resets = <&cpg 519>;
 			status = "disabled";
@@ -1110,8 +1112,9 @@ hscif2: serial@e6560000 {
 				 <&cpg CPG_CORE R8A7795_CLK_S3D1>,
 				 <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
-			dmas = <&dmac1 0x35>, <&dmac1 0x34>;
-			dma-names = "tx", "rx";
+			dmas = <&dmac1 0x35>, <&dmac1 0x34>,
+			       <&dmac2 0x35>, <&dmac2 0x34>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			resets = <&cpg 518>;
 			status = "disabled";
@@ -1222,8 +1225,9 @@ scif0: serial@e6e60000 {
 				 <&cpg CPG_CORE R8A7795_CLK_S3D1>,
 				 <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
-			dmas = <&dmac1 0x51>, <&dmac1 0x50>;
-			dma-names = "tx", "rx";
+			dmas = <&dmac1 0x51>, <&dmac1 0x50>,
+			       <&dmac2 0x51>, <&dmac2 0x50>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			resets = <&cpg 207>;
 			status = "disabled";
@@ -1238,8 +1242,9 @@ scif1: serial@e6e68000 {
 				 <&cpg CPG_CORE R8A7795_CLK_S3D1>,
 				 <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
-			dmas = <&dmac1 0x53>, <&dmac1 0x52>;
-			dma-names = "tx", "rx";
+			dmas = <&dmac1 0x53>, <&dmac1 0x52>,
+			       <&dmac2 0x53>, <&dmac2 0x52>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			resets = <&cpg 206>;
 			status = "disabled";
@@ -1254,8 +1259,9 @@ scif2: serial@e6e88000 {
 				 <&cpg CPG_CORE R8A7795_CLK_S3D1>,
 				 <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
-			dmas = <&dmac1 0x13>, <&dmac1 0x12>;
-			dma-names = "tx", "rx";
+			dmas = <&dmac1 0x13>, <&dmac1 0x12>,
+			       <&dmac2 0x13>, <&dmac2 0x12>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			resets = <&cpg 310>;
 			status = "disabled";
@@ -1302,8 +1308,9 @@ scif5: serial@e6f30000 {
 				 <&cpg CPG_CORE R8A7795_CLK_S3D1>,
 				 <&scif_clk>;
 			clock-names = "fck", "brg_int", "scif_clk";
-			dmas = <&dmac1 0x5b>, <&dmac1 0x5a>;
-			dma-names = "tx", "rx";
+			dmas = <&dmac1 0x5b>, <&dmac1 0x5a>,
+			       <&dmac2 0x5b>, <&dmac2 0x5a>;
+			dma-names = "tx", "rx", "tx", "rx";
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			resets = <&cpg 202>;
 			status = "disabled";
@@ -1335,8 +1342,9 @@ i2c0: i2c@e6500000 {
 			clocks = <&cpg CPG_MOD 931>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			resets = <&cpg 931>;
-			dmas = <&dmac1 0x91>, <&dmac1 0x90>;
-			dma-names = "tx", "rx";
+			dmas = <&dmac1 0x91>, <&dmac1 0x90>,
+			       <&dmac2 0x91>, <&dmac2 0x90>;
+			dma-names = "tx", "rx", "tx", "rx";
 			i2c-scl-internal-delay-ns = <110>;
 			status = "disabled";
 		};
@@ -1351,8 +1359,9 @@ i2c1: i2c@e6508000 {
 			clocks = <&cpg CPG_MOD 930>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			resets = <&cpg 930>;
-			dmas = <&dmac1 0x93>, <&dmac1 0x92>;
-			dma-names = "tx", "rx";
+			dmas = <&dmac1 0x93>, <&dmac1 0x92>,
+			       <&dmac2 0x93>, <&dmac2 0x92>;
+			dma-names = "tx", "rx", "tx", "rx";
 			i2c-scl-internal-delay-ns = <6>;
 			status = "disabled";
 		};
@@ -1367,8 +1376,9 @@ i2c2: i2c@e6510000 {
 			clocks = <&cpg CPG_MOD 929>;
 			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
 			resets = <&cpg 929>;
-			dmas = <&dmac1 0x95>, <&dmac1 0x94>;
-			dma-names = "tx", "rx";
+			dmas = <&dmac1 0x95>, <&dmac1 0x94>,
+			       <&dmac2 0x95>, <&dmac2 0x94>;
+			dma-names = "tx", "rx", "tx", "rx";
 			i2c-scl-internal-delay-ns = <6>;
 			status = "disabled";
 		};