~sircmpwn/linux

linux/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi -rw-r--r-- 4.4 KiB
a99d8080 — Linus Torvalds Linux 5.4-rc6 11 months ago
                                                                                
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// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2018 Nuvoton Technology tomer.maimon@nuvoton.com
// Copyright 2018 Google, Inc.

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

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	interrupt-parent = <&gic>;

	/* external reference clock */
	clk_refclk: clk_refclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <25000000>;
		clock-output-names = "refclk";
	};

	/* external reference clock for cpu. float in normal operation */
	clk_sysbypck: clk_sysbypck {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <800000000>;
		clock-output-names = "sysbypck";
	};

	/* external reference clock for MC. float in normal operation */
	clk_mcbypck: clk_mcbypck {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <800000000>;
		clock-output-names = "mcbypck";
	};

	 /* external clock signal rg1refck, supplied by the phy */
	clk_rg1refck: clk_rg1refck {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <125000000>;
		clock-output-names = "clk_rg1refck";
	};

	 /* external clock signal rg2refck, supplied by the phy */
	clk_rg2refck: clk_rg2refck {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <125000000>;
		clock-output-names = "clk_rg2refck";
	};

	clk_xin: clk_xin {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <50000000>;
		clock-output-names = "clk_xin";
	};

	soc {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "simple-bus";
		interrupt-parent = <&gic>;
		ranges = <0x0 0xf0000000 0x00900000>;

		gcr: gcr@800000 {
			compatible = "nuvoton,npcm750-gcr", "syscon",
				"simple-mfd";
			reg = <0x800000 0x1000>;
		};

		scu: scu@3fe000 {
			compatible = "arm,cortex-a9-scu";
			reg = <0x3fe000 0x1000>;
		};

		l2: cache-controller@3fc000 {
			compatible = "arm,pl310-cache";
			reg = <0x3fc000 0x1000>;
			interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
			cache-unified;
			cache-level = <2>;
			clocks = <&clk 10>;
			arm,shared-override;
		};

		gic: interrupt-controller@3ff000 {
			compatible = "arm,cortex-a9-gic";
			interrupt-controller;
			#interrupt-cells = <3>;
			reg = <0x3ff000 0x1000>,
				<0x3fe100 0x100>;
		};
	};

	ahb {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "simple-bus";
		interrupt-parent = <&gic>;
		ranges;

		clk: clock-controller@f0801000 {
			compatible = "nuvoton,npcm750-clk", "syscon";
			#clock-cells = <1>;
			clock-controller;
			reg = <0xf0801000 0x1000>;
			clock-names = "refclk", "sysbypck", "mcbypck";
			clocks = <&clk_refclk>, <&clk_sysbypck>, <&clk_mcbypck>;
		};

		apb {
			#address-cells = <1>;
			#size-cells = <1>;
			compatible = "simple-bus";
			interrupt-parent = <&gic>;
			ranges = <0x0 0xf0000000 0x00300000>;

			timer0: timer@8000 {
				compatible = "nuvoton,npcm750-timer";
				interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
				reg = <0x8000 0x50>;
				clocks = <&clk 5>;
			};

			watchdog0: watchdog@801C {
				compatible = "nuvoton,npcm750-wdt";
				interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
				reg = <0x801C 0x4>;
				status = "disabled";
				clocks = <&clk 5>;
			};

			watchdog1: watchdog@901C {
				compatible = "nuvoton,npcm750-wdt";
				interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
				reg = <0x901C 0x4>;
				status = "disabled";
				clocks = <&clk 5>;
			};

			watchdog2: watchdog@a01C {
				compatible = "nuvoton,npcm750-wdt";
				interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
				reg = <0xa01C 0x4>;
				status = "disabled";
				clocks = <&clk 5>;
			};

			serial0: serial@1000 {
				compatible = "nuvoton,npcm750-uart";
				reg = <0x1000 0x1000>;
				clocks = <&clk 6>;
				interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
				reg-shift = <2>;
				status = "disabled";
			};

			serial1: serial@2000 {
				compatible = "nuvoton,npcm750-uart";
				reg = <0x2000 0x1000>;
				clocks = <&clk 6>;
				interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
				reg-shift = <2>;
				status = "disabled";
			};

			serial2: serial@3000 {
				compatible = "nuvoton,npcm750-uart";
				reg = <0x3000 0x1000>;
				clocks = <&clk 6>;
				interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
				reg-shift = <2>;
				status = "disabled";
			};

			serial3: serial@4000 {
				compatible = "nuvoton,npcm750-uart";
				reg = <0x4000 0x1000>;
				clocks = <&clk 6>;
				interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
				reg-shift = <2>;
				status = "disabled";
			};
		};
	};
};