ARM: dts: r8a7745: Add QSPI support

Add the DT node for the QSPI interface to the SoC dtsi.
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7745.dtsi

@@ -25,6 +25,7 @@ aliases {
 		i2c3 = &i2c3;
 		i2c4 = &i2c4;
 		i2c5 = &i2c5;
+		spi0 = &qspi;
 	};
 
 	cpus {
@@ -736,6 +737,22 @@ mmcif0: mmc@ee200000 {
 			status = "disabled";
 		};
 
+		qspi: spi@e6b10000 {
+			compatible = "renesas,qspi-r8a7745", "renesas,qspi";
+			reg = <0 0xe6b10000 0 0x2c>;
+			interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 917>;
+			dmas = <&dmac0 0x17>, <&dmac0 0x18>,
+			       <&dmac1 0x17>, <&dmac1 0x18>;
+			dma-names = "tx", "rx", "tx", "rx";
+			power-domains = <&sysc R8A7745_PD_ALWAYS_ON>;
+			num-cs = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			resets = <&cpg 917>;
+			status = "disabled";
+		};
+
 		sdhi0: sd@ee100000 {
 			compatible = "renesas,sdhi-r8a7745";
 			reg = <0 0xee100000 0 0x328>;