arm64: dts: renesas: r8a77961: Add SDHI nodes

Add device nodes for the SDHI Interfaces on the Renesas R-Car M3-W+
(r8a77961) SoC.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Tested-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Link: https://lore.kernel.org/r/20191216124740.16647-7-geert+renesas@glider.be

arch/arm64/boot/dts/renesas/r8a77961.dtsi

@@ -905,18 +905,51 @@ usb2_phy1: usb-phy@ee0a0200 {
 		};
 
 		sdhi0: sd@ee100000 {
+			compatible = "renesas,sdhi-r8a77961",
+				     "renesas,rcar-gen3-sdhi";
 			reg = <0 0xee100000 0 0x2000>;
-			/* placeholder */
+			interrupts = <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 314>;
+			max-frequency = <200000000>;
+			power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+			resets = <&cpg 314>;
+			status = "disabled";
+		};
+
+		sdhi1: sd@ee120000 {
+			compatible = "renesas,sdhi-r8a77961",
+				     "renesas,rcar-gen3-sdhi";
+			reg = <0 0xee120000 0 0x2000>;
+			interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 313>;
+			max-frequency = <200000000>;
+			power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+			resets = <&cpg 313>;
+			status = "disabled";
 		};
 
 		sdhi2: sd@ee140000 {
+			compatible = "renesas,sdhi-r8a77961",
+				     "renesas,rcar-gen3-sdhi";
 			reg = <0 0xee140000 0 0x2000>;
-			/* placeholder */
+			interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 312>;
+			max-frequency = <200000000>;
+			power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+			resets = <&cpg 312>;
+			status = "disabled";
 		};
 
 		sdhi3: sd@ee160000 {
+			compatible = "renesas,sdhi-r8a77961",
+				     "renesas,rcar-gen3-sdhi";
 			reg = <0 0xee160000 0 0x2000>;
-			/* placeholder */
+			interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 311>;
+			max-frequency = <200000000>;
+			power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+			resets = <&cpg 311>;
+			status = "disabled";
 		};
 
 		gic: interrupt-controller@f1010000 {