arch/arm64/boot/dts/apple/t8103.dtsi

// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
 * Apple T8103 "M1" SoC
 *
 * Other names: H13G, "Tonga"
 *
 * Copyright The Asahi Linux Contributors
 */

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

/ {
	compatible = "apple,t8103", "apple,arm-platform";

	interrupt-parent = <&aic>;
	#address-cells = <2>;
	#size-cells = <2>;

	cpus {
		#address-cells = <2>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			compatible = "apple,icestorm";
			device_type = "cpu";
			reg = <0x0 0x0>;
			enable-method = "spin-table";
			cpu-release-addr = <0 0>; /* To be filled by loader */
		};

		cpu1: cpu@1 {
			compatible = "apple,icestorm";
			device_type = "cpu";
			reg = <0x0 0x1>;
			enable-method = "spin-table";
			cpu-release-addr = <0 0>; /* To be filled by loader */
		};

		cpu2: cpu@2 {
			compatible = "apple,icestorm";
			device_type = "cpu";
			reg = <0x0 0x2>;
			enable-method = "spin-table";
			cpu-release-addr = <0 0>; /* To be filled by loader */
		};

		cpu3: cpu@3 {
			compatible = "apple,icestorm";
			device_type = "cpu";
			reg = <0x0 0x3>;
			enable-method = "spin-table";
			cpu-release-addr = <0 0>; /* To be filled by loader */
		};

		cpu4: cpu@10100 {
			compatible = "apple,firestorm";
			device_type = "cpu";
			reg = <0x0 0x10100>;
			enable-method = "spin-table";
			cpu-release-addr = <0 0>; /* To be filled by loader */
		};

		cpu5: cpu@10101 {
			compatible = "apple,firestorm";
			device_type = "cpu";
			reg = <0x0 0x10101>;
			enable-method = "spin-table";
			cpu-release-addr = <0 0>; /* To be filled by loader */
		};

		cpu6: cpu@10102 {
			compatible = "apple,firestorm";
			device_type = "cpu";
			reg = <0x0 0x10102>;
			enable-method = "spin-table";
			cpu-release-addr = <0 0>; /* To be filled by loader */
		};

		cpu7: cpu@10103 {
			compatible = "apple,firestorm";
			device_type = "cpu";
			reg = <0x0 0x10103>;
			enable-method = "spin-table";
			cpu-release-addr = <0 0>; /* To be filled by loader */
		};
	};

	timer {
		compatible = "arm,armv8-timer";
		interrupt-parent = <&aic>;
		interrupt-names = "phys", "virt", "hyp-phys", "hyp-virt";
		interrupts = <AIC_FIQ AIC_TMR_GUEST_PHYS IRQ_TYPE_LEVEL_HIGH>,
			     <AIC_FIQ AIC_TMR_GUEST_VIRT IRQ_TYPE_LEVEL_HIGH>,
			     <AIC_FIQ AIC_TMR_HV_PHYS IRQ_TYPE_LEVEL_HIGH>,
			     <AIC_FIQ AIC_TMR_HV_VIRT IRQ_TYPE_LEVEL_HIGH>;
	};

	clk24: clock-24m {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <24000000>;
		clock-output-names = "clk24";
	};

	soc {
		compatible = "simple-bus";
		#address-cells = <2>;
		#size-cells = <2>;

		ranges;
		nonposted-mmio;

		aic: interrupt-controller@23b100000 {
			compatible = "apple,t8103-aic", "apple,aic";
			#interrupt-cells = <3>;
			interrupt-controller;
			reg = <0x2 0x3b100000 0x0 0x8000>;
		};

		serial0: serial@235200000 {
			compatible = "apple,s5l-uart";
			reg = <0x2 0x35200000 0x0 0x1000>;
			reg-io-width = <4>;
			interrupt-parent = <&aic>;
			interrupts = <AIC_IRQ 605 IRQ_TYPE_LEVEL_HIGH>;
			/*
			 * TODO: figure out the clocking properly, there may
			 * be a third selectable clock.
			 */
			clocks = <&clk24>, <&clk24>;
			clock-names = "uart", "clk_uart_baud0";
			status = "disabled";
		};

		dart0: dart@681008000 {
			compatible = "apple,t8103-dart";
			reg = <0x6 0x81008000 0x0 0x4000>;
			#iommu-cells = <1>;
			interrupts = <AIC_IRQ 696 IRQ_TYPE_LEVEL_HIGH>;
		};

		dart1: dart@682008000 {
			compatible = "apple,t8103-dart";
			reg = <0x6 0x82008000 0x0 0x4000>;
			#iommu-cells = <1>;
			interrupts = <AIC_IRQ 699 IRQ_TYPE_LEVEL_HIGH>;
		};

		dart2: dart@683008000 {
			compatible = "apple,t8103-dart";
			reg = <0x6 0x83008000 0x0 0x4000>;
			#iommu-cells = <1>;
			interrupts = <AIC_IRQ 702 IRQ_TYPE_LEVEL_HIGH>;
		};

		pcie0: pcie@690000000 {
			compatible = "apple,pcie-m1";
			reg = <0x6 0x90000000 0x0 0x1000000>,
			      <0x6 0x80000000 0x0 0x100000>,
			      <0x6 0x8c000000 0x0 0x100000>,
			      <0x6 0x81000000 0x0 0x20000>,
			      <0x6 0x82000000 0x0 0x20000>,
			      <0x6 0x83000000 0x0 0x20000>;

			interrupts = <AIC_IRQ 695 IRQ_TYPE_LEVEL_HIGH>,
				     <AIC_IRQ 698 IRQ_TYPE_LEVEL_HIGH>,
				     <AIC_IRQ 701 IRQ_TYPE_LEVEL_HIGH>;

			msi-controller;
			msi-interrupts = <704 32>;

			iommu-map = <0x0 &dart0 0x0 0x100>,
				    <0x100 &dart0 0x1 0x100>,
				    <0x200 &dart1 0x2 0x100>,
				    <0x300 &dart2 0x3 0x100>;
			iommu-map-mask = <0xfff8>;

			bus-range = <0 15>;
			#address-cells = <3>;
			#size-cells = <2>;
			ranges = <0x43000000 0x6 0xa0000000 0x6 0xa0000000
			          0x0 0x20000000>,
				 <0x02000000 0x0 0xc0000000 0x6 0xc0000000
				  0x0 0x40000000>;

			device_type = "pci";
		};
	};
};