xref: /linux/arch/arm64/boot/dts/renesas/r8a774a1.dtsi (revision 3698dbd02c93545f08dd309d159ef20956e07355)

// 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;

		rwdt: watchdog@e6020000 {
			compatible = "renesas,r8a774a1-wdt",
				     "renesas,rcar-gen3-wdt";
			reg = <0 0xe6020000 0 0x0c>;
			clocks = <&cpg CPG_MOD 402>;
			power-domains = <&sysc 32>;
			resets = <&cpg 402>;
			status = "disabled";
		};

		pfc: pin-controller@e6060000 {
			compatible = "renesas,pfc-r8a774a1";
			reg = <0 0xe6060000 0 0x50c>;
		};

		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>;
		};

		intc_ex: interrupt-controller@e61c0000 {
			compatible = "renesas,intc-ex-r8a774a1", "renesas,irqc";
			#interrupt-cells = <2>;
			interrupt-controller;
			reg = <0 0xe61c0000 0 0x200>;
			interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cpg CPG_MOD 407>;
			power-domains = <&sysc 32>;
			resets = <&cpg 407>;
		};

		hscif0: serial@e6540000 {
			compatible = "renesas,hscif-r8a774a1",
				     "renesas,rcar-gen3-hscif",
				     "renesas,hscif";
			reg = <0 0xe6540000 0 0x60>;
			interrupts = <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cpg CPG_MOD 520>,
				 <&cpg CPG_CORE 19>,
				 <&scif_clk>;
			clock-names = "fck", "brg_int", "scif_clk";
			dmas = <&dmac1 0x31>, <&dmac1 0x30>,
			       <&dmac2 0x31>, <&dmac2 0x30>;
			dma-names = "tx", "rx", "tx", "rx";
			power-domains = <&sysc 32>;
			resets = <&cpg 520>;
			status = "disabled";
		};

		hscif1: serial@e6550000 {
			compatible = "renesas,hscif-r8a774a1",
				     "renesas,rcar-gen3-hscif",
				     "renesas,hscif";
			reg = <0 0xe6550000 0 0x60>;
			interrupts = <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cpg CPG_MOD 519>,
				 <&cpg CPG_CORE 19>,
				 <&scif_clk>;
			clock-names = "fck", "brg_int", "scif_clk";
			dmas = <&dmac1 0x33>, <&dmac1 0x32>,
			       <&dmac2 0x33>, <&dmac2 0x32>;
			dma-names = "tx", "rx", "tx", "rx";
			power-domains = <&sysc 32>;
			resets = <&cpg 519>;
			status = "disabled";
		};

		hscif2: serial@e6560000 {
			compatible = "renesas,hscif-r8a774a1",
				     "renesas,rcar-gen3-hscif",
				     "renesas,hscif";
			reg = <0 0xe6560000 0 0x60>;
			interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cpg CPG_MOD 518>,
				 <&cpg CPG_CORE 19>,
				 <&scif_clk>;
			clock-names = "fck", "brg_int", "scif_clk";
			dmas = <&dmac1 0x35>, <&dmac1 0x34>,
			       <&dmac2 0x35>, <&dmac2 0x34>;
			dma-names = "tx", "rx", "tx", "rx";
			power-domains = <&sysc 32>;
			resets = <&cpg 518>;
			status = "disabled";
		};

		hscif3: serial@e66a0000 {
			compatible = "renesas,hscif-r8a774a1",
				     "renesas,rcar-gen3-hscif",
				     "renesas,hscif";
			reg = <0 0xe66a0000 0 0x60>;
			interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cpg CPG_MOD 517>,
				 <&cpg CPG_CORE 19>,
				 <&scif_clk>;
			clock-names = "fck", "brg_int", "scif_clk";
			dmas = <&dmac0 0x37>, <&dmac0 0x36>;
			dma-names = "tx", "rx";
			power-domains = <&sysc 32>;
			resets = <&cpg 517>;
			status = "disabled";
		};

		hscif4: serial@e66b0000 {
			compatible = "renesas,hscif-r8a774a1",
				     "renesas,rcar-gen3-hscif",
				     "renesas,hscif";
			reg = <0 0xe66b0000 0 0x60>;
			interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cpg CPG_MOD 516>,
				 <&cpg CPG_CORE 19>,
				 <&scif_clk>;
			clock-names = "fck", "brg_int", "scif_clk";
			dmas = <&dmac0 0x39>, <&dmac0 0x38>;
			dma-names = "tx", "rx";
			power-domains = <&sysc 32>;
			resets = <&cpg 516>;
			status = "disabled";
		};

		dmac0: dma-controller@e6700000 {
			compatible = "renesas,dmac-r8a774a1",
				     "renesas,rcar-dmac";
			reg = <0 0xe6700000 0 0x10000>;
			interrupts = <GIC_SPI 199 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 201 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 210 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 214 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-names = "error",
					"ch0", "ch1", "ch2", "ch3",
					"ch4", "ch5", "ch6", "ch7",
					"ch8", "ch9", "ch10", "ch11",
					"ch12", "ch13", "ch14", "ch15";
			clocks = <&cpg CPG_MOD 219>;
			clock-names = "fck";
			power-domains = <&sysc 32>;
			resets = <&cpg 219>;
			#dma-cells = <1>;
			dma-channels = <16>;
		};

		dmac1: dma-controller@e7300000 {
			compatible = "renesas,dmac-r8a774a1",
				     "renesas,rcar-dmac";
			reg = <0 0xe7300000 0 0x10000>;
			interrupts = <GIC_SPI 220 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 216 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 311 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 314 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 316 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 318 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 319 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-names = "error",
					"ch0", "ch1", "ch2", "ch3",
					"ch4", "ch5", "ch6", "ch7",
					"ch8", "ch9", "ch10", "ch11",
					"ch12", "ch13", "ch14", "ch15";
			clocks = <&cpg CPG_MOD 218>;
			clock-names = "fck";
			power-domains = <&sysc 32>;
			resets = <&cpg 218>;
			#dma-cells = <1>;
			dma-channels = <16>;
		};

		dmac2: dma-controller@e7310000 {
			compatible = "renesas,dmac-r8a774a1",
				     "renesas,rcar-dmac";
			reg = <0 0xe7310000 0 0x10000>;
			interrupts = <GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 417 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 418 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 419 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 420 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 421 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 422 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 423 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 424 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 425 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 426 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 427 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 428 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 429 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 430 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 431 IRQ_TYPE_LEVEL_HIGH
				      GIC_SPI 397 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-names = "error",
					"ch0", "ch1", "ch2", "ch3",
					"ch4", "ch5", "ch6", "ch7",
					"ch8", "ch9", "ch10", "ch11",
					"ch12", "ch13", "ch14", "ch15";
			clocks = <&cpg CPG_MOD 217>;
			clock-names = "fck";
			power-domains = <&sysc 32>;
			resets = <&cpg 217>;
			#dma-cells = <1>;
			dma-channels = <16>;
		};

		avb: ethernet@e6800000 {
			compatible = "renesas,etheravb-r8a774a1",
				     "renesas,etheravb-rcar-gen3";
			reg = <0 0xe6800000 0 0x800>;
			interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>;
			interrupt-names = "ch0", "ch1", "ch2", "ch3",
					  "ch4", "ch5", "ch6", "ch7",
					  "ch8", "ch9", "ch10", "ch11",
					  "ch12", "ch13", "ch14", "ch15",
					  "ch16", "ch17", "ch18", "ch19",
					  "ch20", "ch21", "ch22", "ch23",
					  "ch24";
			clocks = <&cpg CPG_MOD 812>;
			power-domains = <&sysc 32>;
			resets = <&cpg 812>;
			phy-mode = "rgmii";
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
		};

		scif0: serial@e6e60000 {
			compatible = "renesas,scif-r8a774a1",
				     "renesas,rcar-gen3-scif", "renesas,scif";
			reg = <0 0xe6e60000 0 0x40>;
			interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cpg CPG_MOD 207>,
				 <&cpg CPG_CORE 19>,
				 <&scif_clk>;
			clock-names = "fck", "brg_int", "scif_clk";
			dmas = <&dmac1 0x51>, <&dmac1 0x50>,
			       <&dmac2 0x51>, <&dmac2 0x50>;
			dma-names = "tx", "rx", "tx", "rx";
			power-domains = <&sysc 32>;
			resets = <&cpg 207>;
			status = "disabled";
		};

		scif1: serial@e6e68000 {
			compatible = "renesas,scif-r8a774a1",
				     "renesas,rcar-gen3-scif", "renesas,scif";
			reg = <0 0xe6e68000 0 0x40>;
			interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cpg CPG_MOD 206>,
				 <&cpg CPG_CORE 19>,
				 <&scif_clk>;
			clock-names = "fck", "brg_int", "scif_clk";
			dmas = <&dmac1 0x53>, <&dmac1 0x52>,
			       <&dmac2 0x53>, <&dmac2 0x52>;
			dma-names = "tx", "rx", "tx", "rx";
			power-domains = <&sysc 32>;
			resets = <&cpg 206>;
			status = "disabled";
		};

		scif2: serial@e6e88000 {
			compatible = "renesas,scif-r8a774a1",
				     "renesas,rcar-gen3-scif", "renesas,scif";
			reg = <0 0xe6e88000 0 0x40>;
			interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cpg CPG_MOD 310>,
				 <&cpg CPG_CORE 19>,
				 <&scif_clk>;
			clock-names = "fck", "brg_int", "scif_clk";
			power-domains = <&sysc 32>;
			resets = <&cpg 310>;
			status = "disabled";
		};

		scif3: serial@e6c50000 {
			compatible = "renesas,scif-r8a774a1",
				     "renesas,rcar-gen3-scif", "renesas,scif";
			reg = <0 0xe6c50000 0 0x40>;
			interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cpg CPG_MOD 204>,
				 <&cpg CPG_CORE 19>,
				 <&scif_clk>;
			clock-names = "fck", "brg_int", "scif_clk";
			dmas = <&dmac0 0x57>, <&dmac0 0x56>;
			dma-names = "tx", "rx";
			power-domains = <&sysc 32>;
			resets = <&cpg 204>;
			status = "disabled";
		};

		scif4: serial@e6c40000 {
			compatible = "renesas,scif-r8a774a1",
				     "renesas,rcar-gen3-scif", "renesas,scif";
			reg = <0 0xe6c40000 0 0x40>;
			interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cpg CPG_MOD 203>,
				 <&cpg CPG_CORE 19>,
				 <&scif_clk>;
			clock-names = "fck", "brg_int", "scif_clk";
			dmas = <&dmac0 0x59>, <&dmac0 0x58>;
			dma-names = "tx", "rx";
			power-domains = <&sysc 32>;
			resets = <&cpg 203>;
			status = "disabled";
		};

		scif5: serial@e6f30000 {
			compatible = "renesas,scif-r8a774a1",
				     "renesas,rcar-gen3-scif", "renesas,scif";
			reg = <0 0xe6f30000 0 0x40>;
			interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&cpg CPG_MOD 202>,
				 <&cpg CPG_CORE 19>,
				 <&scif_clk>;
			clock-names = "fck", "brg_int", "scif_clk";
			dmas = <&dmac1 0x5b>, <&dmac1 0x5a>,
			       <&dmac2 0x5b>, <&dmac2 0x5a>;
			dma-names = "tx", "rx", "tx", "rx";
			power-domains = <&sysc 32>;
			resets = <&cpg 202>;
			status = "disabled";
		};

		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>;
	};
};