milkymist_one.dts

/* Device Tree Source for Milkymist One
 *
 * Author: Michael Walle <michael@walle.cc>
 *
 * 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.
 */

/dts-v1/;

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	model = "One";
	compatible = "milkymist,one";

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

		cpu@0 {
			device_type = "cpu";
			compatible = "lattice,mico32";
			reg = <0>;
			clock-frequency = <83333333>;	/* 83.3333 MHz */
			i-cache-line-size = <16>;
			d-cache-line-size = <16>;
			i-cache-size = <4096>;
			d-cache-size = <4096>;

			pic: pic {
				#interrupt-cells = <1>;
				#address-cells = <0>;
				compatible = "lattice,mico32-pic";
				interrupt-controller;
			};
		};
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0x40000000 0x08000000>;	/* 128MB */
	};

	flash@0 {
		compatible = "cfi-flash";
		reg = <0x80000000 0x02000000>;	/* 32MB */
		bank-width = <4>;
		device-width = <1>;
		#address-cells = <1>;
		#size-cells = <1>;
		partition@0 {
			label = "bitstream";
			reg = <0x00000000 0x00180000>;
			read-only;
		};
		partition@180000 {
			label = "unused";
			reg = <0x000a0000 0x02360000>;
			read-only;
		};
	};

	softusb@0 {
		reg = <0xa0000000 0x02000000>;
	};

	csr-bus@e0000000 {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x0 0xe0000000 0x100000>;
		compatible = "milkymist,csr-bus";

		uart@0 {
			device_type = "serial";
			compatible = "milkymist,uart";
			clock-frequency = <83333333>;
			reg = <0x0 0x1000>;
			interrupts = <0 1>;
			interrupt-parent = <&pic>;
		};

		sysctl: sysctl@1000 {
			compatible = "milkymist,sysctl";
			reg = <0x1000 0x1000>;
			interrupts = <2 3 4>;
			#gpio-cells = <2>;
			gpio-controller;
			num-gpi = <7>;
			num-gpo = <2>;
		};

		gpio-leds {
			compatible = "gpio-leds";
			led1 {
				gpios = <&sysctl 0 0>;
				default-state = "keep";
			};
			led2 {
				gpios = <&sysctl 1 0>;
				default-state = "keep";
			};
		};

		memctrl@2000 {
			compatible = "milkymist,hpdmc";
			reg = <0x2000 0x1000>;
		};

		vgafb@3000 {
			compatible = "milkymist,vgafb";
			reg = <0x3000 0x1000>;
			video-mem-size = <1572864>; /* 1024*768*2 */
		};

		memcard@4000 {
			compatible = "milkymist,memcard";
			reg = <0x4000 0x1000>;
		};

		ac97@5000 {
			compatible = "milkymist,ac97";
			reg = <0x5000 0x1000>;
			interrupts = <5 6 7 8>;
			interrupt-parent = <&pic>;
		};

		pfpu@6000 {
			compatible = "milkymist,pfpu";
			reg = <0x6000 0x1000>;
			interrupts = <9>;
			interrupt-parent = <&pic>;
		};

		tmu@7000 {
			compatible = "milkymist,tmu2";
			reg = <0x7000 0x1000>;
			interrupts = <10>;
			interrupt-parent = <&pic>;
		};

		ethernet@8000 {
			#address-cells = <1>;
			#size-cells = <0>;
			compatible = "milkymist,minimac2";
			reg = <0x8000 0x1000>;
			interrupts = <11 12>;
			interrupt-parent = <&pic>;

			phy0: ethernet-phy@0 {
				device_type = "ethernet-phy";
				reg = <0>;
				phy = <&phy0>;
				local-mac-address = [ 00 00 00 00 00 00 ];
			};
		};

		video-capture@a000 {
			compatible = "milkymist,bt656cap";
			reg = <0xa000 0x1000>;
			interrupts = <13>;
			interrupt-parent = <&pic>;
		};

		midi@b000 {
			compatible = "milkymist,midi";
			reg = <0xb000 0x1000>;
			interrupts = <14 15>;
			interrupt-parent = <&pic>;
		};

		dmx@c000 {
			compatible = "milkymist,dmx";
			reg = <0xc000 0x2000>;
		};

		ir-receiver@e000 {
			compatible = "milkymist,rc5";
			reg = <0xe000 0x1000>;
			interrupts = <16>;
			interrupt-parent = <&pic>;
		};

		usb-ctrl@f000 {
			compatible = "milkymist,softusb";
			reg = <0xf000 0x1000>;
			interrupts = <17>;
			interrupt-parent = <&pic>;
		};
	};
	chosen {
		bootargs = "root=/dev/ram0 rootfstype=ext2";
	};
};