arch: arm: Agilex5 enablement

This patch is to enable Agilex5 platform for Intel
product. Changes, modification and new files are
created for board, dts, configs and makefile to
create the base for Agilex5.

Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
Reviewed-by: Tien Fong Chee <tien.fong.chee@intel.com>
diff --git a/arch/arm/dts/socfpga_agilex5_socdk.dts b/arch/arm/dts/socfpga_agilex5_socdk.dts
new file mode 100644
index 0000000..852e1e5
--- /dev/null
+++ b/arch/arm/dts/socfpga_agilex5_socdk.dts
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier:     GPL-2.0
+/*
+ * Copyright (C) 2024 Intel Corporation <www.intel.com>
+ */
+#include "socfpga_agilex5.dtsi"
+
+/ {
+	model = "SoCFPGA Agilex5 SoCDK";
+
+	aliases {
+		serial0 = &uart0;
+		ethernet0 = &gmac0;
+		ethernet2 = &gmac2;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		hps0 {
+			label = "hps_led0";
+			gpios = <&portb 20 GPIO_ACTIVE_HIGH>;
+		};
+
+		hps1 {
+			label = "hps_led1";
+			gpios = <&portb 19 GPIO_ACTIVE_HIGH>;
+		};
+
+		hps2 {
+			label = "hps_led2";
+			gpios = <&portb 21 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		/* We expect the bootloader to fill in the reg */
+		reg = <0 0 0 0>;
+	};
+
+	soc {
+		clocks {
+			osc1 {
+				clock-frequency = <25000000>;
+			};
+		};
+	};
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+};
+
+&i2c1 {
+	status = "okay";
+};
+
+&i3c0 {
+	status = "okay";
+};
+
+&i3c1 {
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&usbphy0 {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+	disable-over-current;
+};
+
+&watchdog0 {
+	status = "okay";
+};
+
+&watchdog1 {
+	status = "okay";
+};
+
+&watchdog2 {
+	status = "okay";
+};
+
+&watchdog3 {
+	status = "okay";
+};
+
+&watchdog4 {
+	status = "okay";
+};
+
+&timer0 {
+	status = "okay";
+};
+
+&timer1 {
+	status = "okay";
+};
+
+&timer2 {
+	status = "okay";
+};
+
+&timer3 {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+};
+
+&spi1 {
+	status = "okay";
+};
+
+&qspi {
+	flash0: flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "mt25qu02g";
+		reg = <0>;
+		spi-max-frequency = <100000000>;
+
+		m25p,fast-read;
+		cdns,page-size = <256>;
+		cdns,block-size = <16>;
+		cdns,read-delay = <1>;
+		cdns,tshsl-ns = <50>;
+		cdns,tsd2d-ns = <50>;
+		cdns,tchsh-ns = <4>;
+		cdns,tslch-ns = <4>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			qspi_boot: partition@0 {
+				label = "u-boot";
+				reg = <0x0 0x04200000>;
+			};
+
+			root: partition@4200000 {
+				label = "root";
+				reg = <0x04200000 0x0BE00000>;
+			};
+		};
+	};
+};