openwrt_lede/target/linux/oxnas/files/arch/arm/boot/dts/ox820.dtsi

/*
 * Copyright (C) 2013 Ma Haijun <mahaijuns@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include "skeleton.dtsi"

/ {
	compatible = "plxtech,nas7820", "plxtech,nas782x";
	interrupt-parent = <&gic>;

	aliases {
		serial0 = &uart0;
		/* alias to determine bank index */
		gpio0 = &GPIOA;
		gpio1 = &GPIOB;

		ethernet0 = &gmac;
	};

	cpus {
		cpu@0 {
			compatible = "arm,arm11mpcore";
		};
		cpu@1 {
			compatible = "arm,arm11mpcore";
		};
	};

	gic: gic@47001000 {
		compatible = "arm,arm11mp-gic";
		interrupt-controller;
		#interrupt-cells = <3>;
		reg = <0x47001000 0x1000>,
		      <0x47000100 0x0100>;
	};

	rst: reset-controller@44E00034 {
		compatible = "plxtech,nas782x-reset";
		#reset-cells = <1>;
		reg = <0x44E00034 0x8>; /* currently not used */
	};

	rps: rps@44400000 {
		compatible = "plxtech,nas782x-rps";
		interrupt-controller;
		#interrupt-cells = <1>;
		reg = <0x44400000 0x14>;
		interrupts = <0 5 0x304>;
	};

	/* external oscillator */
	osc: oscillator {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency  = <25000000>;
	};

	sysclk: sysclk {
		compatible = "fixed-factor-clock";
		#clock-cells = <0>;
		clock-div = <4>;
		clock-mult = <1>;
		clocks = <&osc>;
	};

	plla: plla@44e001f0 {
		compatible = "plxtech,nas782x-plla";
		#clock-cells = <0>;
		clocks = <&osc>;
		reg = <0x44e001f0 0x10>;
	};

	pllb: pllb@44f001f0 {
		compatible = "plxtech,nas782x-pllb";
		#clock-cells = <0>;
		clocks = <&osc>;
		reg = <0x44f001f0 0x10>;
		resets = <&rst 31>;
	};

	stdclk: stdclk {
		compatible = "plxtech,nas782x-stdclk";
		#clock-cells = <1>;
		clocks = <&osc>;
	};

	twdclk: twdclk {
		compatible = "fixed-factor-clock";
		#clock-cells = <0>;
		clock-div = <2>;
		clock-mult = <1>;
		clocks = <&plla>;
	};

	gmacclk: gmacclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency  = <125000000>;
	};

	pinctrl {
		/* act as a simple bus, so children will be probed automatically */
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "plxtech,nas782x-pinctrl", "simple-bus";
		ranges;

		plxtech,mux-mask = <
			 0xFFFFFFFF 0xCC0FFDF9 0xFC000E60 0x0F03F7E0 0xF00C0FE0
			 0x0003FFFF 0x00037FFF 0x0003FFF8 0x00000F00 0x0003F7F3
			>;

		GPIOA: gpio@44000000 {
			compatible = "plxtech,nas782x-gpio";
			reg = <0x44000000 0x100>, <0x44E00000 0x200>;
			interrupts = <0 21 0x304>;
			#gpio-cells = <2>;
			gpio-controller;
			interrupt-controller;
			#interrupt-cells = <2>;
			#gpio-lines = <32>; /* real gpio pin count */
		};

		GPIOB: gpio@44100000 {
			compatible = "plxtech,nas782x-gpio";
			reg = <0x44100000 0x100>, <0x44F00000 0x200>;
			interrupts = <0 22 0x304>;
			#gpio-cells = <2>;
			gpio-controller;
			interrupt-controller;
			#interrupt-cells = <2>;
			#gpio-lines = <18>; /* real gpio pin count */
		};

		uart0 {
			pinctrl_uart0: uart0-0 {
				plxtech,pins =
					<0 30 5 0	/* MF_A30 PINMUX_ALT PINMUX_UARTA_SIN */
					 0 31 5 0>;	/* MF_A31 PINMUX_ALT PINMUX_UARTA_SOUT */
			};
		};

		gmac0 {
			pinctrl_gmac0: gmac0-0 {
				plxtech,pins =
					<0 3 1 0	/* MF_A3 PINMUX_2 PINMUX_MACA_MDC */
					 0 4 1 0>;	/* MF_A4 PINMUX_2 PINMUX_MACA_MDIO */
			};
		};

		nand0 {
			pinctrl_nand0: nand0-0 {
				plxtech,pins =
					<0 12 1 0	/* MF_A12 PINMUX_2 PINMUX_STATIC_DATA0 */
					 0 13 1 0	/* MF_A13 PINMUX_2 PINMUX_STATIC_DATA1 */
					 0 14 1 0	/* MF_A14 PINMUX_2 PINMUX_STATIC_DATA2 */
					 0 15 1 0	/* MF_A15 PINMUX_2 PINMUX_STATIC_DATA3 */
					 0 16 1 0	/* MF_A16 PINMUX_2 PINMUX_STATIC_DATA4 */
					 0 17 1 0	/* MF_A17 PINMUX_2 PINMUX_STATIC_DATA5 */
					 0 18 1 0	/* MF_A18 PINMUX_2 PINMUX_STATIC_DATA6 */
					 0 19 1 0	/* MF_A19 PINMUX_2 PINMUX_STATIC_DATA7 */

					 0 20 1 0	/* MF_A20 PINMUX_2 PINMUX_STATIC_NWE */
					 0 21 1 0	/* MF_A21 PINMUX_2 PINMUX_STATIC_NOE */
					 0 22 1 0	/* MF_A22 PINMUX_2 PINMUX_STATIC_NCS */
					 0 23 1 0	/* MF_A23 PINMUX_2 PINMUX_STATIC_ADDR18 */
					 0 24 1 0>;	/* MF_A24 PINMUX_2 PINMUX_STATIC_ADDR19 */
			};
		};
	};

	pcie-controller@47C00000 {
		compatible = "plxtech,nas782x-pcie";
		device_type = "pci";
		#address-cells = <3>;
		#size-cells = <2>;

		/*		flag & space	bus address	host address	size */
		ranges = <	0x82000000	0 0x48000000	0x48000000	0 0x2000000
				0xC2000000	0 0x4A000000	0x4A000000	0 0x1E00000
				0x81000000	0 0x4BE00000	0x4BE00000	0 0x0100000
				0x80000000	0 0x4BF00000	0x4BF00000	0 0x0100000>;

		bus-range = <0x00 0x7f>;

		/*	cfg			inbound translator	phy*/
		reg =	<0x47C00000 0x1000>,	<0x47D00000 0x100>,	 <0x44A00000 0x10>;

		#interrupt-cells = <1>;
		/* wild card mask, match all bus address & interrupt specifier */
		/* format: bus address mask, interrupt specifier mask */
		/* each bit 1 means need match, 0 means ignored when match */
		interrupt-map-mask = <0 0 0 0>;
		/* format: a list of: bus address, interrupt specifier,
		 * parent interrupt controller & specifier */
		interrupt-map = <0 0 0 0 &gic 0 19 0x304>;

		gpios = <&GPIOB 12 0>;
		clocks = <&stdclk 8>, <&pllb>;
		clock-names = "pcie", "busclk";
		resets = <&rst 7>, <&rst 14>;
		reset-names = "pcie", "phy";

		plxtech,pcie-hcsl-bit = <2>;
		plxtech,pcie-ctrl-offset = <0x120>;
		plxtech,pcie-outbound-offset = <0x138>;
		status = "disabled";
	};

	pcie-controller@47E00000 {
		compatible = "plxtech,nas782x-pcie";
		device_type = "pci";
		#address-cells = <3>;
		#size-cells = <2>;

		/*		flag & space	bus address	host address	size */
		ranges = <	0x82000000	0 0x4C000000	0x4C000000	0 0x2000000
				0xC2000000	0 0x4E000000	0x4E000000	0 0x1E00000
				0x81000000	0 0x4FE00000	0x4FE00000	0 0x0100000
				0x80000000	0 0x4FF00000	0x4FF00000	0 0x0100000>;

		bus-range = <0x80 0xff>;

		/*	cfg			inbound translator	phy*/
		reg =	<0x47E00000 0x1000>,	<0x47F00000 0x100>,	<0x44A00000 0x10>;

		#interrupt-cells = <1>;
		/* wild card mask, match all bus address & interrupt specifier */
		/* format: bus address mask, interrupt specifier mask */
		/* each bit 1 means need match, 0 means ignored when match */
		interrupt-map-mask = <0 0 0 0>;
		/* format: a list of: bus address, interrupt specifier,
		 * parent interrupt controller & specifier */
		interrupt-map = <0 0 0 0 &gic 0 20 0x304>;

		/* gpios = <&GPIOB 12 0>; */
		clocks = <&stdclk 11>, <&pllb>;
		clock-names = "pcie", "busclk";
		resets = <&rst 23>, <&rst 14>;
		reset-names = "pcie", "phy";

		plxtech,pcie-hcsl-bit = <3>;
		plxtech,pcie-ctrl-offset = <0x124>;
		plxtech,pcie-outbound-offset = <0x174>;
		status = "disabled";
	};

	local-timer@47000600 {
		compatible = "arm,arm11mp-twd-timer";
		reg = <0x47000600 0x20>;
		interrupts = <1 13 0x304>;	/* percpu, irq 29, cpu mask 3, level high */
		clocks = <&twdclk>;
	};

	watchdog@47000620 {
		compatible = "mpcore_wdt";
		reg = <0x47000620 0x20>;
		interrupts = <1 14 0x304>;	/* percpu, irq 30, cpu mask 3, level high */
		clocks = <&twdclk>;
	};

	timer@44400200 {
		compatible = "plxtech,nas782x-rps-timer";
		reg = <0x44400200 0x40>;
		clocks = <&sysclk>;
	};

	uart0: uart@44200000 {
		compatible = "ns16550a";
		reg = <0x44200000 0x100>;
		clock-frequency = <6250000>;
		interrupts = <0 23 0x304>;
		reg-shift = <0>;
		fifo-size = <16>;
		reg-io-width = <1>;
		current-speed = <115200>;
		no-loopback-test;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_uart0>;
		status = "disabled";
	};

	sata@45900000 {
		compatible = "plxtech,nas782x-sata";
			/*	ports		dmactl		sgdma	*/
		reg = <0x45900000 0x20000>, <0x459A0000 0x40>, <0x459B0000 0x20>,
			/*	core		phy		descriptors (optional)	*/
			<0x459E0000 0x2000>, <0x44900000 0x0C>, <0x50000000 0x1000>;
		interrupts = <0 18 0x304>;
		clocks = <&stdclk 4>;
		resets = <&rst 11>, <&rst 12>, <&rst 13>;
		reset-names = "sata", "link", "phy";
		nr-ports = <1>;
		status = "disabled";
	};

	nandc: nand-controller@41000000 {
		compatible = "oxsemi,ox820-nand";
		reg = <0x41000000 0x100000>;
		clocks = <&stdclk 9>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_nand0>;
		resets = <&rst 15>;
		#address-cells = <1>;
		#size-cells = <0>;
		status = "disabled";
	};

	gmac: ethernet@40400000 {
		compatible = "plxtech,nas782x-gmac", "snps,dwmac";
		reg = <0x40400000 0x2000>;
		interrupts = <0 8 0x304>, <0 17 0x304>;
		interrupt-names = "macirq", "eth_wake_irq";
		mac-address = [000000000000]; /* Filled in by U-Boot */
		phy-mode = "rgmii";
		clocks = <&stdclk 7>, <&gmacclk>;
		clock-names = "gmac", "stmmaceth";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gmac0>;
		resets = <&rst 6>;
		status = "disabled";
	};

	ehci@40200100 {
		compatible = "plxtech,nas782x-ehci";
		reg = <0x40200100 0xf00>;
		interrupts = <0 7 0x304>;
		clocks = <&stdclk 6>, <&pllb>, <&stdclk 12>;
		clock-names = "usb", "refsrc", "phyref";
		resets = <&rst 4>, <&rst 5>, <&rst 26>;
		reset-names = "host", "phya", "phyb";
		/* Otherwise ref300 is used, which is derived from sata phy
		 * in that case, usb depends on sata initialization */
		/* FIXME: how to make this dependency explicit ? */
		plxtech,ehci_use_pllb;
		status = "disabled";
	};
};