xref: /src/sys/arch/arm/dts/overlays/sunxi-h3-h5-nanopi-neo-nas-dock.dts

/* $NetBSD: sunxi-h3-h5-nanopi-neo-nas-dock.dts,v 1.1 2021/08/26 00:00:35 thorpej Exp $ */

/*-
 * Copyright (c) 2021 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jason R. Thorpe.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * Overlay for the FriendlyARM NanoPi NAS Dock for the NanoPi NEO, NEO Air,
 * and NEO2.
 */

/dts-v1/;
/plugin/;

/ {
	compatible = "friendlyarm,nanopi-neo2", "friendlyarm,nanopi-neo-air",
	    "friendlyarm,nanopi-neo";

	/* ohci1/ehci1 is brought out to a connector on the board. */
	fragment@0 {
		target = <&ehci1>;
		__overlay__ {
			status = "okay";
		};
	};

	fragment@1 {
		target = <&ohci1>;
		__overlay__ {
			status = "okay";
		};
	};

	/* ohci2/ehci2 has the JM20329 USB2->SATA bridge. */
	fragment@2 {
		target = <&ehci2>;
		__overlay__ {
			status = "okay";
		};
	};

	fragment@3 {
		target = <&ohci2>;
		__overlay__ {
			status = "okay";
		};
	};

	/* i2c0 has the DS1307 real time clock chip. */
	fragment@4 {
		target = <&i2c0>;
		__overlay__ {
			status = "okay";

			dock_rtc: rtc@68 {
				compatible = "dallas,ds1307";
				reg = <0x68>;
			};
		};
	};

	/*
	 * Alias rtc0 to the DS1307 so the kernel will use it
	 * instead of the built-in RTC on the SoC (which is not
	 * battery-backed).
	 */
	fragment@5 {
		target-path = "/aliases";
		__overlay__ {
			rtc0 = &dock_rtc;
		};
	};
};