arm64: dts: agilex5: add initial support for Intel Agilex5 SoCFPGA

Add the initial device tree files for Intel Agilex5 SoCFPGA platform.
Reviewed-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Niravkumar L Rabara <niravkumar.l.rabara@intel.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

arch/arm64/boot/dts/intel/Makefile

@@ -2,5 +2,6 @@
 dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga_agilex_n6000.dtb \
 				socfpga_agilex_socdk.dtb \
 				socfpga_agilex_socdk_nand.dtb \
+				socfpga_agilex5_socdk.dtb \
 				socfpga_n5x_socdk.dtb
 dtb-$(CONFIG_ARCH_KEEMBAY) += keembay-evm.dtb

arch/arm64/boot/dts/intel/socfpga_agilex5_socdk.dts

+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2023, Intel Corporation
+ */
+#include "socfpga_agilex5.dtsi"
+
+/ {
+	model = "SoCFPGA Agilex5 SoCDK";
+	compatible = "intel,socfpga-agilex5-socdk", "intel,socfpga-agilex5";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&osc1 {
+	clock-frequency = <25000000>;
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+	disable-over-current;
+};
+
+&watchdog0 {
+	status = "okay";
+};