arm64: dts: renesas: r8a779a0: Add HSCIF support

Define the generic parts of the HSCIF[0-3] device nodes.
Signed-off-by: Linh Phung <linh.phung.jy@renesas.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Link: https://lore.kernel.org/r/20210121110008.15894-4-wsa+renesas@sang-engineering.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/r8a779a0.dtsi

@@ -372,6 +372,70 @@ i2c6: i2c@e66e8000 {
 			status = "disabled";
 		};
 
+		hscif0: serial@e6540000 {
+			compatible = "renesas,hscif-r8a779a0",
+				     "renesas,rcar-gen3-hscif", "renesas,hscif";
+			reg = <0 0xe6540000 0 0x60>;
+			interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 514>,
+				 <&cpg CPG_CORE R8A779A0_CLK_S1D2>,
+				 <&scif_clk>;
+			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac1 0x31>, <&dmac1 0x30>;
+			dma-names = "tx", "rx";
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 514>;
+			status = "disabled";
+		};
+
+		hscif1: serial@e6550000 {
+			compatible = "renesas,hscif-r8a779a0",
+				     "renesas,rcar-gen3-hscif", "renesas,hscif";
+			reg = <0 0xe6550000 0 0x60>;
+			interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 515>,
+				 <&cpg CPG_CORE R8A779A0_CLK_S1D2>,
+				 <&scif_clk>;
+			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac1 0x33>, <&dmac1 0x32>;
+			dma-names = "tx", "rx";
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 515>;
+			status = "disabled";
+		};
+
+		hscif2: serial@e6560000 {
+			compatible = "renesas,hscif-r8a779a0",
+				     "renesas,rcar-gen3-hscif", "renesas,hscif";
+			reg = <0 0xe6560000 0 0x60>;
+			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 516>,
+				 <&cpg CPG_CORE R8A779A0_CLK_S1D2>,
+				 <&scif_clk>;
+			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac1 0x35>, <&dmac1 0x34>;
+			dma-names = "tx", "rx";
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 516>;
+			status = "disabled";
+		};
+
+		hscif3: serial@e66a0000 {
+			compatible = "renesas,hscif-r8a779a0",
+				     "renesas,rcar-gen3-hscif", "renesas,hscif";
+			reg = <0 0xe66a0000 0 0x60>;
+			interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 517>,
+				 <&cpg CPG_CORE R8A779A0_CLK_S1D2>,
+				 <&scif_clk>;
+			clock-names = "fck", "brg_int", "scif_clk";
+			dmas = <&dmac1 0x37>, <&dmac1 0x36>;
+			dma-names = "tx", "rx";
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 517>;
+			status = "disabled";
+		};
+
 		avb0: ethernet@e6800000 {
 			compatible = "renesas,etheravb-r8a779a0",
 				     "renesas,etheravb-rcar-gen3";