xref: /linux/arch/loongarch/boot/dts/loongson-2k0500.dtsi (revision 36ec807b627b4c0a0a382f0ae48eac7187d14b2b)

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2023 Loongson Technology Corporation Limited
 */

/dts-v1/;

#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/loongson,ls2k-clk.h>

/ {
	#address-cells = <2>;
	#size-cells = <2>;

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

		cpu0: cpu@0 {
			compatible = "loongson,la264";
			device_type = "cpu";
			reg = <0x0>;
			clocks = <&clk LOONGSON2_NODE_CLK>;
		};
	};

	ref_100m: clock-ref-100m {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <100000000>;
		clock-output-names = "ref_100m";
	};

	cpuintc: interrupt-controller {
		compatible = "loongson,cpu-interrupt-controller";
		#interrupt-cells = <1>;
		interrupt-controller;
	};

	thermal-zones {
		cpu-thermal {
			polling-delay-passive = <1000>;
			polling-delay = <5000>;
			thermal-sensors = <&tsensor 0>;

			trips {
				cpu-alert {
					temperature = <33000>;
					hysteresis = <2000>;
					type = "active";
				};

				cpu-crit {
					temperature = <85000>;
					hysteresis = <5000>;
					type = "critical";
				};
			};
		};
	};

	bus@10000000 {
		compatible = "simple-bus";
		ranges = <0x0 0x10000000 0x0 0x10000000 0x0 0x10000000>,
			 <0x0 0x02000000 0x0 0x02000000 0x0 0x02000000>,
			 <0x0 0x20000000 0x0 0x20000000 0x0 0x10000000>,
			 <0x0 0x40000000 0x0 0x40000000 0x0 0x40000000>,
			 <0xfe 0x0 0xfe 0x0 0x0 0x40000000>;
		#address-cells = <2>;
		#size-cells = <2>;

		isa@16400000 {
			compatible = "isa";
			#size-cells = <1>;
			#address-cells = <2>;
			ranges = <1 0x0 0x0 0x16400000 0x4000>;
		};

		clk: clock-controller@1fe10400 {
			compatible = "loongson,ls2k0500-clk";
			reg = <0x0 0x1fe10400 0x0 0x2c>;
			#clock-cells = <1>;
			clocks = <&ref_100m>;
			clock-names = "ref_100m";
		};

		dma-controller@1fe10c00 {
			compatible = "loongson,ls2k0500-apbdma", "loongson,ls2k1000-apbdma";
			reg = <0 0x1fe10c00 0 0x8>;
			interrupt-parent = <&eiointc>;
			interrupts = <67>;
			clocks = <&clk LOONGSON2_APB_CLK>;
			#dma-cells = <1>;
			status = "disabled";
		};

		dma-controller@1fe10c10 {
			compatible = "loongson,ls2k0500-apbdma", "loongson,ls2k1000-apbdma";
			reg = <0 0x1fe10c10 0 0x8>;
			interrupt-parent = <&eiointc>;
			interrupts = <68>;
			clocks = <&clk LOONGSON2_APB_CLK>;
			#dma-cells = <1>;
			status = "disabled";
		};

		dma-controller@1fe10c20 {
			compatible = "loongson,ls2k0500-apbdma", "loongson,ls2k1000-apbdma";
			reg = <0 0x1fe10c20 0 0x8>;
			interrupt-parent = <&eiointc>;
			interrupts = <69>;
			clocks = <&clk LOONGSON2_APB_CLK>;
			#dma-cells = <1>;
			status = "disabled";
		};

		dma-controller@1fe10c30 {
			compatible = "loongson,ls2k0500-apbdma", "loongson,ls2k1000-apbdma";
			reg = <0 0x1fe10c30 0 0x8>;
			interrupt-parent = <&eiointc>;
			interrupts = <70>;
			clocks = <&clk LOONGSON2_APB_CLK>;
			#dma-cells = <1>;
			status = "disabled";
		};

		liointc0: interrupt-controller@1fe11400 {
			compatible = "loongson,liointc-2.0";
			reg = <0x0 0x1fe11400 0x0 0x40>,
			      <0x0 0x1fe11040 0x0 0x8>;
			reg-names = "main", "isr0";

			interrupt-controller;
			#interrupt-cells = <2>;
			interrupt-parent = <&cpuintc>;
			interrupts = <2>;
			interrupt-names = "int0";

			loongson,parent_int_map = <0xffffffff>, /* int0 */
						  <0x00000000>, /* int1 */
						  <0x00000000>, /* int2 */
						  <0x00000000>; /* int3 */
		};

		liointc1: interrupt-controller@1fe11440 {
			compatible = "loongson,liointc-2.0";
			reg = <0x0 0x1fe11440 0x0 0x40>,
			      <0x0 0x1fe11048 0x0 0x8>;
			reg-names = "main", "isr0";

			interrupt-controller;
			#interrupt-cells = <2>;
			interrupt-parent = <&cpuintc>;
			interrupts = <4>;
			interrupt-names = "int2";

			loongson,parent_int_map = <0x00000000>, /* int0 */
						  <0x00000000>, /* int1 */
						  <0xffffffff>, /* int2 */
						  <0x00000000>; /* int3 */
		};

		eiointc: interrupt-controller@1fe11600 {
			compatible = "loongson,ls2k0500-eiointc";
			reg = <0x0 0x1fe11600 0x0 0xea00>;
			interrupt-controller;
			#interrupt-cells = <1>;
			interrupt-parent = <&cpuintc>;
			interrupts = <3>;
		};

		gmac0: ethernet@1f020000 {
			compatible = "snps,dwmac-3.70a";
			reg = <0x0 0x1f020000 0x0 0x10000>;
			interrupt-parent = <&liointc0>;
			interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-names = "macirq";
			status = "disabled";
		};

		gmac1: ethernet@1f030000 {
			compatible = "snps,dwmac-3.70a";
			reg = <0x0 0x1f030000 0x0 0x10000>;
			interrupt-parent = <&liointc0>;
			interrupts = <14 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-names = "macirq";
			status = "disabled";
		};

		sata: sata@1f040000 {
			compatible = "snps,spear-ahci";
			reg = <0x0 0x1f040000 0x0 0x10000>;
			interrupt-parent = <&eiointc>;
			interrupts = <75>;
			status = "disabled";
		};

		ehci0: usb@1f050000 {
			compatible = "generic-ehci";
			reg = <0x0 0x1f050000 0x0 0x8000>;
			interrupt-parent = <&eiointc>;
			interrupts = <71>;
			status = "disabled";
		};

		ohci0: usb@1f058000 {
			compatible = "generic-ohci";
			reg = <0x0 0x1f058000 0x0 0x8000>;
			interrupt-parent = <&eiointc>;
			interrupts = <72>;
			status = "disabled";
		};

		tsensor: thermal-sensor@1fe11500 {
			compatible = "loongson,ls2k0500-thermal", "loongson,ls2k1000-thermal";
			reg = <0x0 0x1fe11500 0x0 0x30>;
			interrupt-parent = <&liointc0>;
			interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
			#thermal-sensor-cells = <1>;
		};

		uart0: serial@1ff40800 {
			compatible = "ns16550a";
			reg = <0x0 0x1ff40800 0x0 0x10>;
			clock-frequency = <100000000>;
			interrupt-parent = <&eiointc>;
			interrupts = <2>;
			no-loopback-test;
			status = "disabled";
		};

		i2c0: i2c@1ff48000 {
			compatible = "loongson,ls2k-i2c";
			reg = <0x0 0x1ff48000 0x0 0x0800>;
			interrupt-parent = <&eiointc>;
			interrupts = <14>;
			status = "disabled";
		};

		i2c@1ff48800 {
			compatible = "loongson,ls2k-i2c";
			reg = <0x0 0x1ff48800 0x0 0x0800>;
			interrupt-parent = <&eiointc>;
			interrupts = <15>;
			status = "disabled";
		};

		i2c@1ff49000 {
			compatible = "loongson,ls2k-i2c";
			reg = <0x0 0x1ff49000 0x0 0x0800>;
			interrupt-parent = <&eiointc>;
			interrupts = <16>;
			status = "disabled";
		};

		i2c@1ff49800 {
			compatible = "loongson,ls2k-i2c";
			reg = <0x0 0x1ff49800 0x0 0x0800>;
			interrupt-parent = <&eiointc>;
			interrupts = <17>;
			status = "disabled";
		};

		i2c@1ff4a000 {
			compatible = "loongson,ls2k-i2c";
			reg = <0x0 0x1ff4a000 0x0 0x0800>;
			interrupt-parent = <&eiointc>;
			interrupts = <18>;
			status = "disabled";
		};

		i2c@1ff4a800 {
			compatible = "loongson,ls2k-i2c";
			reg = <0x0 0x1ff4a800 0x0 0x0800>;
			interrupt-parent = <&eiointc>;
			interrupts = <19>;
			status = "disabled";
		};

		pmc: power-management@1ff6c000 {
			compatible = "loongson,ls2k0500-pmc", "syscon";
			reg = <0x0 0x1ff6c000 0x0 0x58>;
			interrupt-parent = <&eiointc>;
			interrupts = <56>;
			loongson,suspend-address = <0x0 0x1c000500>;

			syscon-reboot {
				compatible = "syscon-reboot";
				offset = <0x30>;
				mask = <0x1>;
			};

			syscon-poweroff {
				compatible = "syscon-poweroff";
				regmap = <&pmc>;
				offset = <0x14>;
				mask = <0x3c00>;
				value = <0x3c00>;
			};
		};

		rtc0: rtc@1ff6c100 {
			compatible = "loongson,ls2k0500-rtc", "loongson,ls7a-rtc";
			reg = <0x0 0x1ff6c100 0x0 0x100>;
			interrupt-parent = <&eiointc>;
			interrupts = <35>;
			status = "disabled";
		};

		pcie@1a000000 {
			compatible = "loongson,ls2k-pci";
			reg = <0x0 0x1a000000 0x0 0x02000000>,
			      <0xfe 0x0 0x0 0x20000000>;
			#address-cells = <3>;
			#size-cells = <2>;
			device_type = "pci";
			bus-range = <0x0 0x5>;
			ranges = <0x01000000 0x0 0x00004000 0x0 0x16404000 0x0 0x00004000>,
				 <0x02000000 0x0 0x40000000 0x0 0x40000000 0x0 0x40000000>;

			pcie@0,0 {
				reg = <0x0000 0x0 0x0 0x0 0x0>;
				#address-cells = <3>;
				#size-cells = <2>;
				device_type = "pci";
				interrupt-parent = <&eiointc>;
				#interrupt-cells = <1>;
				interrupt-map-mask = <0x0 0x0 0x0 0x0>;
				interrupt-map = <0x0 0x0 0x0 0x0 &eiointc 81>;
				ranges;
			};

			pcie@1,0 {
				reg = <0x0800 0x0 0x0 0x0 0x0>;
				#address-cells = <3>;
				#size-cells = <2>;
				device_type = "pci";
				interrupt-parent = <&eiointc>;
				#interrupt-cells = <1>;
				interrupt-map-mask = <0x0 0x0 0x0 0x0>;
				interrupt-map = <0x0 0x0 0x0 0x0 &eiointc 82>;
				ranges;
			};
		};
	};
};