linuxdebug/arch/mips/boot/dts/mti/sead3.dts

// SPDX-License-Identifier: GPL-2.0
/dts-v1/;

/memreserve/ 0x00000000 0x00001000;	// reserved
/memreserve/ 0x00001000 0x000ef000;	// ROM data
/memreserve/ 0x000f0000 0x004cc000;	// reserved

#include <dt-bindings/interrupt-controller/mips-gic.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "mti,sead-3";
	model = "MIPS SEAD-3";

	chosen {
		stdout-path = "serial1:115200";
	};

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
	};

	cpus {
		cpu@0 {
			compatible = "mti,mips14KEc", "mti,mips14Kc";
		};
	};

	memory {
		device_type = "memory";
		reg = <0x0 0x08000000>;
	};

	cpu_intc: interrupt-controller {
		compatible = "mti,cpu-interrupt-controller";

		interrupt-controller;
		#interrupt-cells = <1>;
	};

	gic: interrupt-controller@1b1c0000 {
		compatible = "mti,gic";
		reg = <0x1b1c0000 0x20000>;

		interrupt-controller;
		#interrupt-cells = <3>;

		/*
		 * Declare the interrupt-parent even though the mti,gic
		 * binding doesn't require it, such that the kernel can
		 * figure out that cpu_intc is the root interrupt
		 * controller & should be probed first.
		 */
		interrupt-parent = <&cpu_intc>;
	};

	usb@1b200000 {
		compatible = "generic-ehci";
		reg = <0x1b200000 0x1000>;

		interrupt-parent = <&gic>;
		interrupts = <GIC_SHARED 0 IRQ_TYPE_LEVEL_HIGH>; /* GIC 0 or CPU 6 */

		has-transaction-translator;
	};

	flash@1c000000 {
		compatible = "intel,28f128j3", "cfi-flash";
		reg = <0x1c000000 0x2000000>;
		#address-cells = <1>;
		#size-cells = <1>;
		bank-width = <4>;

		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			user-fs@0 {
				label = "User FS";
				reg = <0x0 0x1fc0000>;
			};

			board-config@3e0000 {
				label = "Board Config";
				reg = <0x1fc0000 0x40000>;
			};
		};
	};

	fpga_regs: system-controller@1f000000 {
		compatible = "mti,sead3-fpga", "syscon", "simple-mfd";
		reg = <0x1f000000 0x200>;

		reboot {
			compatible = "syscon-reboot";
			regmap = <&fpga_regs>;
			offset = <0x50>;
			mask = <0x4d>;
		};

		poweroff {
			compatible = "restart-poweroff";
		};
	};

	system-controller@1f000200 {
		compatible = "mti,sead3-cpld", "syscon", "simple-mfd";
		reg = <0x1f000200 0x300>;

		led@10.0 {
			compatible = "register-bit-led";
			offset = <0x10>;
			mask = <0x1>;
			label = "pled0";
		};
		led@10.1 {
			compatible = "register-bit-led";
			offset = <0x10>;
			mask = <0x2>;
			label = "pled1";
		};
		led@10.2 {
			compatible = "register-bit-led";
			offset = <0x10>;
			mask = <0x4>;
			label = "pled2";
		};
		led@10.3 {
			compatible = "register-bit-led";
			offset = <0x10>;
			mask = <0x8>;
			label = "pled3";
		};
		led@10.4 {
			compatible = "register-bit-led";
			offset = <0x10>;
			mask = <0x10>;
			label = "pled4";
		};
		led@10.5 {
			compatible = "register-bit-led";
			offset = <0x10>;
			mask = <0x20>;
			label = "pled5";
		};
		led@10.6 {
			compatible = "register-bit-led";
			offset = <0x10>;
			mask = <0x40>;
			label = "pled6";
		};
		led@10.7 {
			compatible = "register-bit-led";
			offset = <0x10>;
			mask = <0x80>;
			label = "pled7";
		};

		led@18.0 {
			compatible = "register-bit-led";
			offset = <0x18>;
			mask = <0x1>;
			label = "fled0";
		};
		led@18.1 {
			compatible = "register-bit-led";
			offset = <0x18>;
			mask = <0x2>;
			label = "fled1";
		};
		led@18.2 {
			compatible = "register-bit-led";
			offset = <0x18>;
			mask = <0x4>;
			label = "fled2";
		};
		led@18.3 {
			compatible = "register-bit-led";
			offset = <0x18>;
			mask = <0x8>;
			label = "fled3";
		};
		led@18.4 {
			compatible = "register-bit-led";
			offset = <0x18>;
			mask = <0x10>;
			label = "fled4";
		};
		led@18.5 {
			compatible = "register-bit-led";
			offset = <0x18>;
			mask = <0x20>;
			label = "fled5";
		};
		led@18.6 {
			compatible = "register-bit-led";
			offset = <0x18>;
			mask = <0x40>;
			label = "fled6";
		};
		led@18.7 {
			compatible = "register-bit-led";
			offset = <0x18>;
			mask = <0x80>;
			label = "fled7";
		};

		lcd@200 {
			compatible = "mti,sead3-lcd";
			offset = <0x200>;
		};
	};

	/* UART connected to FTDI & miniUSB socket */
	uart0: uart@1f000900 {
		compatible = "ns16550a";
		reg = <0x1f000900 0x20>;
		reg-io-width = <4>;
		reg-shift = <2>;

		clock-frequency = <14745600>;

		interrupt-parent = <&gic>;
		interrupts = <GIC_SHARED 3 IRQ_TYPE_LEVEL_HIGH>; /* GIC 3 or CPU 4 */

		no-loopback-test;
	};

	/* UART connected to RS232 socket */
	uart1: uart@1f000800 {
		compatible = "ns16550a";
		reg = <0x1f000800 0x20>;
		reg-io-width = <4>;
		reg-shift = <2>;

		clock-frequency = <14745600>;

		interrupt-parent = <&gic>;
		interrupts = <GIC_SHARED 2 IRQ_TYPE_LEVEL_HIGH>; /* GIC 2 or CPU 4 */

		no-loopback-test;
	};

	ethernet@1f010000 {
		compatible = "smsc,lan9115";
		reg = <0x1f010000 0x10000>;
		reg-io-width = <4>;

		interrupt-parent = <&gic>;
		interrupts = <GIC_SHARED 0 IRQ_TYPE_LEVEL_HIGH>; /* GIC 0 or CPU 6 */

		phy-mode = "mii";
		smsc,irq-push-pull;
		smsc,save-mac-address;
	};
};