linux/linux-5.4.31/arch/nios2/boot/dts/10m50_devboard.dts

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2015 Altera Corporation. All rights reserved.
 */

/dts-v1/;

/ {
	model = "Altera NiosII Max10";
	compatible = "altr,niosii-max10";
	#address-cells = <1>;
	#size-cells = <1>;

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu: cpu@0 {
			device_type = "cpu";
			compatible = "altr,nios2-1.1";
			reg = <0x00000000>;
			interrupt-controller;
			#interrupt-cells = <1>;
			altr,exception-addr = <0xc8000120>;
			altr,fast-tlb-miss-addr = <0xc0000100>;
			altr,has-div = <1>;
			altr,has-initda = <1>;
			altr,has-mmu = <1>;
			altr,has-mul = <1>;
			altr,implementation = "fast";
			altr,pid-num-bits = <8>;
			altr,reset-addr = <0xd4000000>;
			altr,tlb-num-entries = <256>;
			altr,tlb-num-ways = <16>;
			altr,tlb-ptr-sz = <8>;
			clock-frequency = <75000000>;
			dcache-line-size = <32>;
			dcache-size = <32768>;
			icache-line-size = <32>;
			icache-size = <32768>;
		};
	};

	memory {
		device_type = "memory";
		reg = <0x08000000 0x08000000>,
			<0x00000000 0x00000400>;
	};

	sopc0: sopc@0 {
		device_type = "soc";
		ranges;
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "altr,avalon", "simple-bus";
		bus-frequency = <75000000>;

		jtag_uart: serial@18001530 {
			compatible = "altr,juart-1.0";
			reg = <0x18001530 0x00000008>;
			interrupt-parent = <&cpu>;
			interrupts = <7>;
		};

		a_16550_uart_0: serial@18001600 {
			compatible = "altr,16550-FIFO32", "ns16550a";
			reg = <0x18001600 0x00000200>;
			interrupt-parent = <&cpu>;
			interrupts = <1>;
			auto-flow-control = <1>;
			clock-frequency = <50000000>;
			fifo-size = <32>;
			reg-io-width = <4>;
			reg-shift = <2>;
			tx-threshold = <16>;
		};

		sysid: sysid@18001528 {
			compatible = "altr,sysid-1.0";
			reg = <0x18001528 0x00000008>;
			id = <4207856382>;
			timestamp = <1431309290>;
		};

		rgmii_0_eth_tse_0: ethernet@400 {
			compatible = "altr,tse-msgdma-1.0", "altr,tse-1.0";
			reg = <0x00000400 0x00000400>,
				<0x00000820 0x00000020>,
				<0x00000800 0x00000020>,
				<0x000008c0 0x00000008>,
				<0x00000840 0x00000020>,
				<0x00000860 0x00000020>;
			reg-names = "control_port", "rx_csr", "rx_desc", "rx_resp", "tx_csr", "tx_desc";
			interrupt-parent = <&cpu>;
			interrupts = <2 3>;
			interrupt-names = "rx_irq", "tx_irq";
			rx-fifo-depth = <8192>;
			tx-fifo-depth = <8192>;
			address-bits = <48>;
			max-frame-size = <1518>;
			local-mac-address = [00 00 00 00 00 00];
			altr,has-supplementary-unicast;
			altr,enable-sup-addr = <1>;
			altr,has-hash-multicast-filter;
			altr,enable-hash = <1>;
			phy-mode = "rgmii-id";
			phy-handle = <&phy0>;
			rgmii_0_eth_tse_0_mdio: mdio {
				compatible = "altr,tse-mdio";
				#address-cells = <1>;
				#size-cells = <0>;
				phy0: ethernet-phy@0 {
					reg = <0>;
					device_type = "ethernet-phy";
				};
			};
		};

		enet_pll: clock@0 {
			compatible = "altr,pll-1.0";
			#clock-cells = <1>;

			enet_pll_c0: enet_pll_c0 {
				compatible = "fixed-clock";
				#clock-cells = <0>;
				clock-frequency = <125000000>;
				clock-output-names = "enet_pll-c0";
			};

			enet_pll_c1: enet_pll_c1 {
				compatible = "fixed-clock";
				#clock-cells = <0>;
				clock-frequency = <25000000>;
				clock-output-names = "enet_pll-c1";
			};

			enet_pll_c2: enet_pll_c2 {
				compatible = "fixed-clock";
				#clock-cells = <0>;
				clock-frequency = <2500000>;
				clock-output-names = "enet_pll-c2";
			};
		};

		sys_pll: clock@1 {
			compatible = "altr,pll-1.0";
			#clock-cells = <1>;

			sys_pll_c0: sys_pll_c0 {
				compatible = "fixed-clock";
				#clock-cells = <0>;
				clock-frequency = <100000000>;
				clock-output-names = "sys_pll-c0";
			};

			sys_pll_c1: sys_pll_c1 {
				compatible = "fixed-clock";
				#clock-cells = <0>;
				clock-frequency = <50000000>;
				clock-output-names = "sys_pll-c1";
			};

			sys_pll_c2: sys_pll_c2 {
				compatible = "fixed-clock";
				#clock-cells = <0>;
				clock-frequency = <75000000>;
				clock-output-names = "sys_pll-c2";
			};
		};

		sys_clk_timer: timer@18001440 {
			compatible = "altr,timer-1.0";
			reg = <0x18001440 0x00000020>;
			interrupt-parent = <&cpu>;
			interrupts = <0>;
			clock-frequency = <75000000>;
		};

		led_pio: gpio@180014d0 {
			compatible = "altr,pio-1.0";
			reg = <0x180014d0 0x00000010>;
			altr,gpio-bank-width = <4>;
			resetvalue = <15>;
			#gpio-cells = <2>;
			gpio-controller;
		};

		button_pio: gpio@180014c0 {
			compatible = "altr,pio-1.0";
			reg = <0x180014c0 0x00000010>;
			interrupt-parent = <&cpu>;
			interrupts = <6>;
			altr,gpio-bank-width = <3>;
			altr,interrupt-type = <2>;
			edge_type = <1>;
			level_trigger = <0>;
			resetvalue = <0>;
			#gpio-cells = <2>;
			gpio-controller;
		};

		sys_clk_timer_1: timer@880 {
			compatible = "altr,timer-1.0";
			reg = <0x00000880 0x00000020>;
			interrupt-parent = <&cpu>;
			interrupts = <5>;
			clock-frequency = <75000000>;
		};

		fpga_leds: leds {
			compatible = "gpio-leds";

			led_fpga0: fpga0 {
				label = "fpga_led0";
				gpios = <&led_pio 0 1>;
			};

			led_fpga1: fpga1 {
				label = "fpga_led1";
				gpios = <&led_pio 1 1>;
			};

			led_fpga2: fpga2 {
				label = "fpga_led2";
				gpios = <&led_pio 2 1>;
			};

			led_fpga3: fpga3 {
				label = "fpga_led3";
				gpios = <&led_pio 3 1>;
			};
		};
	};

	chosen {
		bootargs = "debug earlycon console=ttyS0,115200";
		stdout-path = &a_16550_uart_0;
	};
};