arm64: dts: renesas: r8a779f0: Add SDHI0 support

Extracted from a larger BSP patch made by Linh Phung.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20220711134656.277730-3-wsa+renesas@sang-engineering.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/r8a779f0.dtsi

@@ -670,6 +670,19 @@ dmac1: dma-controller@e7351000 {
 				 <&ipmmu_ds0 30>, <&ipmmu_ds0 31>;
 		};
 
+		mmc0: mmc@ee140000 {
+			compatible = "renesas,sdhi-r8a779f0",
+				     "renesas,rcar-gen4-sdhi";
+			reg = <0 0xee140000 0 0x2000>;
+			interrupts = <GIC_SPI 236 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 706>, <&cpg CPG_CORE R8A779F0_CLK_SD0H>;
+			clock-names = "core", "clkh";
+			power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
+			resets = <&cpg 706>;
+			max-frequency = <200000000>;
+			status = "disabled";
+		};
+
 		ipmmu_rt0: iommu@ee480000 {
 			compatible = "renesas,ipmmu-r8a779f0",
 				     "renesas,rcar-gen4-ipmmu-vmsa";