xref: /linux/arch/arm64/boot/dts/amlogic/amlogic-a9.dtsi (revision b2128290c29902315e632ea59e0504d6bc9e9b42)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2026 Amlogic, Inc. All rights reserved.
 */

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

/ {
	interrupt-parent = <&gic>;

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0 0x0>;
			enable-method = "psci";
		};

		cpu1: cpu@100 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0 0x100>;
			enable-method = "psci";
		};

		cpu2: cpu@200 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0 0x200>;
			enable-method = "psci";
		};

		cpu3: cpu@300 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0 0x300>;
			enable-method = "psci";
		};

		cpu4: cpu@400 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0 0x400>;
			enable-method = "psci";
		};

		cpu5: cpu@500 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0 0x500>;
			enable-method = "psci";
		};

		cpu6: cpu@600 {
			device_type = "cpu";
			compatible = "arm,cortex-a78";
			reg = <0x0 0x600>;
			enable-method = "psci";
		};

		cpu7: cpu@700 {
			device_type = "cpu";
			compatible = "arm,cortex-a78";
			reg = <0x0 0x700>;
			enable-method = "psci";
		};
	};

	timer {
		compatible = "arm,armv8-timer";
		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
	};

	psci {
		compatible = "arm,psci-1.0";
		method = "smc";
	};

	xtal: xtal-clk {
		compatible = "fixed-clock";
		clock-frequency = <24000000>;
		clock-output-names = "xtal";
		#clock-cells = <0>;
	};

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

		gic: interrupt-controller@ff800000 {
			compatible = "arm,gic-v3";
			#interrupt-cells = <3>;
			#address-cells = <0>;
			interrupt-controller;
			reg = <0x0 0xff800000 0 0x10000>,
			      <0x0 0xff840000 0 0x100000>;
			interrupts = <GIC_PPI 9 0xf04>;
		};

		aobus: bus@ffa00000 {
			compatible = "simple-bus";
			reg = <0x0 0xffa00000 0x0 0x100000>;
			#address-cells = <2>;
			#size-cells = <2>;
			ranges = <0x0 0x0 0x0 0xffa00000 0x0 0x100000>;

			uart_b: serial@1e000 {
				compatible = "amlogic,a9-uart",
					     "amlogic,meson-s4-uart";
				reg = <0x0 0x1e000 0x0 0x18>;
				interrupts = <GIC_SPI 66 IRQ_TYPE_EDGE_RISING>;
				clocks = <&xtal>, <&xtal>, <&xtal>;
				clock-names = "xtal", "pclk", "baud";
				status = "disabled";
			};
		};
	};
};