// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
 * Copyright (C) 2023 Jisheng Zhang <jszhang@kernel.org>
 */

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

/ {
	compatible = "sophgo,cv1800b";
	#address-cells = <1>;
	#size-cells = <1>;

	cpus: cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		timebase-frequency = <25000000>;

		cpu0: cpu@0 {
			compatible = "thead,c906", "riscv";
			device_type = "cpu";
			reg = <0>;
			d-cache-block-size = <64>;
			d-cache-sets = <512>;
			d-cache-size = <65536>;
			i-cache-block-size = <64>;
			i-cache-sets = <128>;
			i-cache-size = <32768>;
			mmu-type = "riscv,sv39";
			riscv,isa = "rv64imafdc";
			riscv,isa-base = "rv64i";
			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
					       "zifencei", "zihpm";

			cpu0_intc: interrupt-controller {
				compatible = "riscv,cpu-intc";
				interrupt-controller;
				#interrupt-cells = <1>;
			};
		};
	};

	osc: oscillator {
		compatible = "fixed-clock";
		clock-output-names = "osc_25m";
		#clock-cells = <0>;
	};

	soc {
		compatible = "simple-bus";
		interrupt-parent = <&plic>;
		#address-cells = <1>;
		#size-cells = <1>;
		dma-noncoherent;
		ranges;

		uart0: serial@4140000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x04140000 0x100>;
			interrupts = <44 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&osc>;
			reg-shift = <2>;
			reg-io-width = <4>;
			status = "disabled";
		};

		uart1: serial@4150000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x04150000 0x100>;
			interrupts = <45 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&osc>;
			reg-shift = <2>;
			reg-io-width = <4>;
			status = "disabled";
		};

		uart2: serial@4160000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x04160000 0x100>;
			interrupts = <46 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&osc>;
			reg-shift = <2>;
			reg-io-width = <4>;
			status = "disabled";
		};

		uart3: serial@4170000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x04170000 0x100>;
			interrupts = <47 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&osc>;
			reg-shift = <2>;
			reg-io-width = <4>;
			status = "disabled";
		};

		uart4: serial@41c0000 {
			compatible = "snps,dw-apb-uart";
			reg = <0x041c0000 0x100>;
			interrupts = <48 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&osc>;
			reg-shift = <2>;
			reg-io-width = <4>;
			status = "disabled";
		};

		plic: interrupt-controller@70000000 {
			compatible = "sophgo,cv1800b-plic", "thead,c900-plic";
			reg = <0x70000000 0x4000000>;
			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
			interrupt-controller;
			#address-cells = <0>;
			#interrupt-cells = <2>;
			riscv,ndev = <101>;
		};

		clint: timer@74000000 {
			compatible = "sophgo,cv1800b-clint", "thead,c900-clint";
			reg = <0x74000000 0x10000>;
			interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
		};
	};
};