ARM: dts: r7s9210-rza2mevb: Add support for RZ/A2M EVB

Add support for Renesas RZ/A2M evaluation board.
Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/Makefile

@@ -843,6 +843,7 @@ dtb-$(CONFIG_ARCH_RENESAS) += \
 	r7s72100-genmai.dtb \
 	r7s72100-gr-peach.dtb \
 	r7s72100-rskrza1.dtb \
+	r7s9210-rza2mevb.dtb \
 	r8a73a4-ape6evm.dtb \
 	r8a7740-armadillo800eva.dtb \
 	r8a7743-iwg20d-q7.dtb \

arch/arm/boot/dts/r7s9210-rza2mevb.dts

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the RZA2MEVB board
+ *
+ * Copyright (C) 2018 Renesas Electronics
+ *
+ */
+
+/dts-v1/;
+#include "r7s9210.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/r7s9210-pinctrl.h>
+
+/ {
+	model = "RZA2MEVB";
+	compatible = "renesas,rza2mevb", "renesas,r7s9210";
+
+	aliases {
+		serial0 = &scif4;
+	};
+
+	chosen {
+		bootargs = "ignore_loglevel";
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0x40000000 0x00800000>;	 /* HyperRAM */
+	};
+
+	lbsc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		red {
+			gpios = <&pinctrl RZA2_PIN(PORT6, 0) GPIO_ACTIVE_HIGH>;
+		};
+		green {
+			gpios = <&pinctrl RZA2_PIN(PORTC, 1) GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
+
+/* EXTAL */
+&extal_clk {
+	clock-frequency = <24000000>;	/* 24MHz */
+};
+
+/* RTC_X1 */
+&rtc_x1_clk {
+	clock-frequency = <32768>;
+};
+
+&pinctrl {
+	/* Serial Console */
+	scif4_pins: serial4 {
+		pinmux = <RZA2_PINMUX(PORT9, 0, 4)>,	/* TxD4 */
+			 <RZA2_PINMUX(PORT9, 1, 4)>;	/* RxD4 */
+	};
+};
+
+/* High resolution System tick timers */
+&ostm0 {
+	status = "okay";
+};
+
+&ostm1 {
+	status = "okay";
+};
+
+/* Serial Console */
+&scif4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&scif4_pins>;
+
+	status = "okay";
+};