xref: /kernel/linux/linux-6.6/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi

// SPDX-License-Identifier: (GPL-2.0+ or MIT)
// Copyright (C) 2021-2022 Samuel Holland <samuel@sholland.org>

#define SOC_PERIPHERAL_IRQ(nr)	(nr + 16)

#include "sunxi-d1s-t113.dtsi"

/ {
	cpus {
		timebase-frequency = <24000000>;
		#address-cells = <1>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			compatible = "thead,c906", "riscv";
			device_type = "cpu";
			reg = <0>;
			clocks = <&ccu CLK_RISCV>;
			d-cache-block-size = <64>;
			d-cache-sets = <256>;
			d-cache-size = <32768>;
			i-cache-block-size = <64>;
			i-cache-sets = <128>;
			i-cache-size = <32768>;
			mmu-type = "riscv,sv39";
			operating-points-v2 = <&opp_table_cpu>;
			riscv,isa = "rv64imafdc";
			#cooling-cells = <2>;

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

	opp_table_cpu: opp-table-cpu {
		compatible = "operating-points-v2";

		opp-408000000 {
			opp-hz = /bits/ 64 <408000000>;
			opp-microvolt = <900000 900000 1100000>;
		};

		opp-1080000000 {
			opp-hz = /bits/ 64 <1008000000>;
			opp-microvolt = <900000 900000 1100000>;
		};
	};

	soc {
		interrupt-parent = <&plic>;

		riscv_wdt: watchdog@6011000 {
			compatible = "allwinner,sun20i-d1-wdt";
			reg = <0x6011000 0x20>;
			interrupts = <SOC_PERIPHERAL_IRQ(131) IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&dcxo>, <&rtc CLK_OSC32K>;
			clock-names = "hosc", "losc";
		};

		plic: interrupt-controller@10000000 {
			compatible = "allwinner,sun20i-d1-plic",
				     "thead,c900-plic";
			reg = <0x10000000 0x4000000>;
			interrupts-extended = <&cpu0_intc 11>,
					      <&cpu0_intc 9>;
			interrupt-controller;
			riscv,ndev = <175>;
			#address-cells = <0>;
			#interrupt-cells = <2>;
		};
	};
};