arm64: dts: renesas: Add HiHope RZ/G2N Rev.3.0/4.0 main board support

Add support for HiHope RZ/G2N Rev.3.0/4.0 main board support based on
r8a774b1 SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1593004330-5039-10-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/Makefile

@@ -5,7 +5,8 @@ dtb-$(CONFIG_ARCH_R8A774A1) += r8a774a1-hihope-rzg2m-ex.dtb \
 			       r8a774a1-hihope-rzg2m-rev2-ex.dtb
 dtb-$(CONFIG_ARCH_R8A774A1) += r8a774a1-hihope-rzg2m-ex-idk-1110wr.dtb \
 			       r8a774a1-hihope-rzg2m-rev2-ex-idk-1110wr.dtb
-dtb-$(CONFIG_ARCH_R8A774B1) += r8a774b1-hihope-rzg2n-rev2.dtb
+dtb-$(CONFIG_ARCH_R8A774B1) += r8a774b1-hihope-rzg2n.dtb \
+			       r8a774b1-hihope-rzg2n-rev2.dtb
 dtb-$(CONFIG_ARCH_R8A774B1) += r8a774b1-hihope-rzg2n-rev2-ex.dtb
 dtb-$(CONFIG_ARCH_R8A774C0) += r8a774c0-cat874.dtb r8a774c0-ek874.dtb \
 			       r8a774c0-ek874-idk-2121wr.dtb \

arch/arm64/boot/dts/renesas/r8a774b1-hihope-rzg2n.dts

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the HiHope RZ/G2N main board Rev.3.0/4.0
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+#include "r8a774b1.dtsi"
+#include "hihope-rev4.dtsi"
+
+/ {
+	model = "HopeRun HiHope RZ/G2N main board based on r8a774b1";
+	compatible = "hoperun,hihope-rzg2n", "renesas,r8a774b1";
+
+	memory@48000000 {
+		device_type = "memory";
+		/* first 128MB is reserved for secure area. */
+		reg = <0x0 0x48000000 0x0 0x78000000>;
+	};
+
+	memory@480000000 {
+		device_type = "memory";
+		reg = <0x4 0x80000000 0x0 0x80000000>;
+	};
+};
+
+&du {
+	clocks = <&cpg CPG_MOD 724>,
+		 <&cpg CPG_MOD 723>,
+		 <&cpg CPG_MOD 721>,
+		 <&versaclock5 1>,
+		 <&x302_clk>,
+		 <&versaclock5 2>;
+	clock-names = "du.0", "du.1", "du.3",
+		      "dclkin.0", "dclkin.1", "dclkin.3";
+};
+
+&sdhi3 {
+	mmc-hs400-1_8v;
+};

arch/arm64/boot/dts/renesas/r8a774b1.dtsi

@@ -10,6 +10,8 @@
 #include <dt-bindings/clock/r8a774b1-cpg-mssr.h>
 #include <dt-bindings/power/r8a774b1-sysc.h>
 
+#define CPG_AUDIO_CLK_I		R8A774B1_CLK_S0D4
+
 / {
 	compatible = "renesas,r8a774b1";
 	#address-cells = <2>;