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";
			riscv,isa-base = "rv64i";
			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
					       "zifencei", "zihpm";
			#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>;
		};
	};

	pmu {
		compatible = "riscv,pmu";
		riscv,event-to-mhpmcounters =
			<0x00003 0x00003 0x00000008>,
			<0x00004 0x00004 0x00000010>,
			<0x00005 0x00005 0x00000200>,
			<0x00006 0x00006 0x00000100>,
			<0x10000 0x10000 0x00004000>,
			<0x10001 0x10001 0x00008000>,
			<0x10002 0x10002 0x00010000>,
			<0x10003 0x10003 0x00020000>,
			<0x10019 0x10019 0x00000040>,
			<0x10021 0x10021 0x00000020>;
		riscv,event-to-mhpmevent =
			<0x00003 0x00000000 0x00000001>,
			<0x00004 0x00000000 0x00000002>,
			<0x00005 0x00000000 0x00000007>,
			<0x00006 0x00000000 0x00000006>,
			<0x10000 0x00000000 0x0000000c>,
			<0x10001 0x00000000 0x0000000d>,
			<0x10002 0x00000000 0x0000000e>,
			<0x10003 0x00000000 0x0000000f>,
			<0x10019 0x00000000 0x00000004>,
			<0x10021 0x00000000 0x00000003>;
		riscv,raw-event-to-mhpmcounters =
			<0x00000000 0x00000001 0xffffffff 0xffffffff 0x00000008>,
			<0x00000000 0x00000002 0xffffffff 0xffffffff 0x00000010>,
			<0x00000000 0x00000003 0xffffffff 0xffffffff 0x00000020>,
			<0x00000000 0x00000004 0xffffffff 0xffffffff 0x00000040>,
			<0x00000000 0x00000005 0xffffffff 0xffffffff 0x00000080>,
			<0x00000000 0x00000006 0xffffffff 0xffffffff 0x00000100>,
			<0x00000000 0x00000007 0xffffffff 0xffffffff 0x00000200>,
			<0x00000000 0x0000000b 0xffffffff 0xffffffff 0x00002000>,
			<0x00000000 0x0000000c 0xffffffff 0xffffffff 0x00004000>,
			<0x00000000 0x0000000d 0xffffffff 0xffffffff 0x00008000>,
			<0x00000000 0x0000000e 0xffffffff 0xffffffff 0x00010000>,
			<0x00000000 0x0000000f 0xffffffff 0xffffffff 0x00020000>;
	};
};