arm64: dts: renesas: r8a77965: Add dmac device nods

Add dmac[0-2] device nodes for R-Car M3-N (r8a77965) SoC.
Signed-off-by: NJacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm64/boot/dts/renesas/r8a77965.dtsi

@@ -233,15 +233,105 @@
 		};
 
 		dmac0: dma-controller@e6700000 {
-			/* placeholder */
+			compatible = "renesas,dmac-r8a77965",
+				     "renesas,rcar-dmac";
+			reg = <0 0xe6700000 0 0x10000>;
+			interrupts = <GIC_SPI 199 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 201 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 210 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 214 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "error",
+					"ch0", "ch1", "ch2", "ch3",
+					"ch4", "ch5", "ch6", "ch7",
+					"ch8", "ch9", "ch10", "ch11",
+					"ch12", "ch13", "ch14", "ch15";
+			clocks = <&cpg CPG_MOD 219>;
+			clock-names = "fck";
+			power-domains = <&sysc 32>;
+			resets = <&cpg 219>;
+			#dma-cells = <1>;
+			dma-channels = <16>;
 		};
 
 		dmac1: dma-controller@e7300000 {
-			/* placeholder */
+			compatible = "renesas,dmac-r8a77965",
+				     "renesas,rcar-dmac";
+			reg = <0 0xe7300000 0 0x10000>;
+			interrupts = <GIC_SPI 220 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 216 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 311 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 314 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 316 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 318 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 319 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "error",
+					"ch0", "ch1", "ch2", "ch3",
+					"ch4", "ch5", "ch6", "ch7",
+					"ch8", "ch9", "ch10", "ch11",
+					"ch12", "ch13", "ch14", "ch15";
+			clocks = <&cpg CPG_MOD 218>;
+			clock-names = "fck";
+			power-domains = <&sysc 32>;
+			resets = <&cpg 218>;
+			#dma-cells = <1>;
+			dma-channels = <16>;
 		};
 
 		dmac2: dma-controller@e7310000 {
-			/* placeholder */
+			compatible = "renesas,dmac-r8a77965",
+				     "renesas,rcar-dmac";
+			reg = <0 0xe7310000 0 0x10000>;
+			interrupts = <GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 417 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 418 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 419 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 420 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 421 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 422 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 423 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 424 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 425 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 426 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 427 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 428 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 429 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 430 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 431 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 397 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "error",
+					"ch0", "ch1", "ch2", "ch3",
+					"ch4", "ch5", "ch6", "ch7",
+					"ch8", "ch9", "ch10", "ch11",
+					"ch12", "ch13", "ch14", "ch15";
+			clocks = <&cpg CPG_MOD 217>;
+			clock-names = "fck";
+			power-domains = <&sysc 32>;
+			resets = <&cpg 217>;
+			#dma-cells = <1>;
+			dma-channels = <16>;
 		};
 
 		scif0: serial@e6e60000 {