linux/arch/arm/boot/dts/r8a77470.dtsi

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree Source for the r8a77470 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,r8a77470";
	#address-cells = <2>;
	#size-cells = <2>;

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			reg = <0>;
			clock-frequency = <1000000000>;
			clocks = <&cpg CPG_CORE 0>;
			power-domains = <&sysc 5>;
			next-level-cache = <&L2_CA7>;
		};


		L2_CA7: cache-controller-0 {
			compatible = "cache";
			cache-unified;
			cache-level = <2>;
			power-domains = <&sysc 21>;
		};
	};

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

	/* External SCIF clock */
	scif_clk: scif {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		/* This value must be overridden by the board. */
		clock-frequency = <0>;
	};

	soc {
		compatible = "simple-bus";
		interrupt-parent = <&gic>;

		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		cpg: clock-controller@e6150000 {
			compatible = "renesas,r8a77470-cpg-mssr";
			reg = <0 0xe6150000 0 0x1000>;
			clocks = <&extal_clk>, <&usb_extal_clk>;
			clock-names = "extal", "usb_extal";
			#clock-cells = <2>;
			#power-domain-cells = <0>;
			#reset-cells = <1>;
		};

		rst: reset-controller@e6160000 {
			compatible = "renesas,r8a77470-rst";
			reg = <0 0xe6160000 0 0x100>;
		};

		sysc: system-controller@e6180000 {
			compatible = "renesas,r8a77470-sysc";
			reg = <0 0xe6180000 0 0x200>;
			#power-domain-cells = <1>;
		};

		icram0:	sram@e63a0000 {
			compatible = "mmio-sram";
			reg = <0 0xe63a0000 0 0x12000>;
		};

		icram1:	sram@e63c0000 {
			compatible = "mmio-sram";
			reg = <0 0xe63c0000 0 0x1000>;
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0 0 0xe63c0000 0x1000>;

			smp-sram@0 {
				compatible = "renesas,smp-sram";
				reg = <0 0x100>;
			};
		};

		icram2:	sram@e6300000 {
			compatible = "mmio-sram";
			reg = <0 0xe6300000 0 0x20000>;
		};

		scif1: serial@e6e68000 {
			compatible = "renesas,scif-r8a77470",
				     "renesas,rcar-gen2-scif", "renesas,scif";
			reg = <0 0xe6e68000 0 0x40>;
			interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>;
				clocks = <&cpg CPG_MOD 720>,
				 <&cpg CPG_CORE 6>, <&scif_clk>;
			clock-names = "fck", "brg_int", "scif_clk";
			power-domains = <&sysc 32>;
			resets = <&cpg 720>;
			status = "disabled";
		};

		gic: interrupt-controller@f1001000 {
			compatible = "arm,gic-400";
			#interrupt-cells = <3>;
			#address-cells = <0>;
			interrupt-controller;
			reg = <0 0xf1001000 0 0x1000>, <0 0xf1002000 0 0x2000>,
			      <0 0xf1004000 0 0x2000>, <0 0xf1006000 0 0x2000>;
			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@ff000044 {
			compatible = "renesas,prr";
			reg = <0 0xff000044 0 4>;
		};
	};

	timer {
		compatible = "arm,armv7-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 clock - can be overridden by the board */
	usb_extal_clk: usb_extal {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <48000000>;
	};
};