arm64: dts: renesas: Add initial device tree for RZ/V2M EVK

Add basic support for RZ/V2M EVK (based on R9A09G011):
- memory
- External input clock
- UART

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220503115557.53370-13-phil.edworthy@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/Makefile

@@ -83,3 +83,5 @@ dtb-$(CONFIG_ARCH_R9A07G044) += r9a07g044c2-smarc.dtb
 dtb-$(CONFIG_ARCH_R9A07G044) += r9a07g044l2-smarc.dtb
 
 dtb-$(CONFIG_ARCH_R9A07G054) += r9a07g054l2-smarc.dtb
+
+dtb-$(CONFIG_ARCH_R9A09G011) += r9a09g011-v2mevk2.dtb

arch/arm64/boot/dts/renesas/r9a09g011-v2mevk2.dts

@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the RZ/V2M (r9a09g011) Evaluation Kit Board
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+#include "r9a09g011.dtsi"
+
+/ {
+	model = "RZ/V2M Evaluation Kit 2.0";
+	compatible = "renesas,rzv2mevk2", "renesas,r9a09g011";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@58000000 {
+		device_type = "memory";
+		/*
+		 * first 1.25GiB is reserved for ISP Firmware,
+		 * next 128MiB is reserved for secure area.
+		 */
+		reg = <0x0 0x58000000 0x0 0x28000000>;
+	};
+
+	memory@180000000 {
+		device_type = "memory";
+		reg = <0x1 0x80000000 0x0 0x80000000>;
+	};
+};
+
+&extal_clk {
+	clock-frequency = <48000000>;
+};
+
+&uart0 {
+	status = "okay";
+};