xref: /linux/arch/arm64/boot/dts/renesas/r8a774a1.dtsi (revision 90493b09df41a9c1dd0bf315e81d03b4212384f9)

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree Source for the r8a774a1 SoC
 *
 * Copyright (C) 2018 Renesas Electronics Corp.
 */

#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/renesas-cpg-mssr.h>

/ {
	compatible = "renesas,r8a774a1";
	#address-cells = <2>;
	#size-cells = <2>;

	/*
	 * The external audio clocks are configured as 0 Hz fixed frequency
	 * clocks by default.
	 * Boards that provide audio clocks should override them.
	 */
	audio_clk_a: audio_clk_a {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <0>;
	};

	audio_clk_b: audio_clk_b {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <0>;
	};

	audio_clk_c: audio_clk_c {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <0>;
	};

	/* External CAN clock - to be overridden by boards that provide it */
	can_clk: can {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <0>;
	};

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

		a57_0: cpu@0 {
			compatible = "arm,cortex-a57", "arm,armv8";
			reg = <0x0>;
			device_type = "cpu";
			power-domains = <&sysc 0>;
			next-level-cache = <&L2_CA57>;
			enable-method = "psci";
			clocks =<&cpg CPG_CORE 0>;
		};

		a57_1: cpu@1 {
			compatible = "arm,cortex-a57", "arm,armv8";
			reg = <0x1>;
			device_type = "cpu";
			power-domains = <&sysc 1>;
			next-level-cache = <&L2_CA57>;
			enable-method = "psci";
			clocks =<&cpg CPG_CORE 0>;
		};

		L2_CA57: cache-controller-0 {
			compatible = "cache";
			power-domains = <&sysc 12>;
			cache-unified;
			cache-level = <2>;
		};
	};

	extal_clk: extal {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		/* This value must be overridden by the board */
		clock-frequency = <0>;
	};

	extalr_clk: extalr {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		/* This value must be overridden by the board */
		clock-frequency = <0>;
	};

	/* External PCIe clock - can be overridden by the board */
	pcie_bus_clk: pcie_bus {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <0>;
	};

	pmu_a57 {
		compatible = "arm,cortex-a57-pmu";
		interrupts-extended = <&gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
				      <&gic GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-affinity = <&a57_0>, <&a57_1>;
	};

	psci {
		compatible = "arm,psci-1.0", "arm,psci-0.2";
		method = "smc";
	};

	/* External SCIF clock - to be overridden by boards that provide it */
	scif_clk: scif {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <0>;
	};

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

		cpg: clock-controller@e6150000 {
			compatible = "renesas,r8a774a1-cpg-mssr";
			reg = <0 0xe6150000 0 0x0bb0>;
			clocks = <&extal_clk>, <&extalr_clk>;
			clock-names = "extal", "extalr";
			#clock-cells = <2>;
			#power-domain-cells = <0>;
			#reset-cells = <1>;
		};

		rst: reset-controller@e6160000 {
			compatible = "renesas,r8a774a1-rst";
			reg = <0 0xe6160000 0 0x018c>;
		};

		sysc: system-controller@e6180000 {
			compatible = "renesas,r8a774a1-sysc";
			reg = <0 0xe6180000 0 0x0400>;
			#power-domain-cells = <1>;
		};

		gic: interrupt-controller@f1010000 {
			compatible = "arm,gic-400";
			#interrupt-cells = <3>;
			#address-cells = <0>;
			interrupt-controller;
			reg = <0x0 0xf1010000 0 0x1000>,
			      <0x0 0xf1020000 0 0x20000>,
			      <0x0 0xf1040000 0 0x20000>,
			      <0x0 0xf1060000 0 0x20000>;
			interrupts = <GIC_PPI 9
					(GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
			clocks = <&cpg CPG_MOD 408>;
			clock-names = "clk";
			power-domains = <&sysc 32>;
			resets = <&cpg 408>;
		};

		prr: chipid@fff00044 {
			compatible = "renesas,prr";
			reg = <0 0xfff00044 0 4>;
		};
	};

	timer {
		compatible = "arm,armv8-timer";
		interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
				      <&gic GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
				      <&gic GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
				      <&gic GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
	};

	/* External USB clocks - can be overridden by the board */
	usb3s0_clk: usb3s0 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <0>;
	};

	usb_extal_clk: usb_extal {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <0>;
	};
};