ARM: dts: r8a77470: Add SDHI2 support

Add SoC specific device tree definitions for the SDHI2 interface.
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a77470.dtsi

@@ -412,6 +412,21 @@ scif5: serial@e6ee8000 {
 			status = "disabled";
 		};
 
+		sdhi2: sd@ee160000 {
+			compatible = "renesas,sdhi-r8a77470",
+				     "renesas,rcar-gen2-sdhi";
+			reg = <0 0xee160000 0 0x328>;
+			interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 312>;
+			dmas = <&dmac0 0xd3>, <&dmac0 0xd4>,
+			       <&dmac1 0xd3>, <&dmac1 0xd4>;
+			dma-names = "tx", "rx", "tx", "rx";
+			max-frequency = <97500000>;
+			power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
+			resets = <&cpg 312>;
+			status = "disabled";
+		};
+
 		gic: interrupt-controller@f1001000 {
 			compatible = "arm,gic-400";
 			#interrupt-cells = <3>;