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      1 /* $NetBSD: sunxi-h3-h5-nanopi-neo-nas-dock.dts,v 1.1 2021/08/26 00:00:35 thorpej Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2021 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Overlay for the FriendlyARM NanoPi NAS Dock for the NanoPi NEO, NEO Air,
     34  * and NEO2.
     35  */
     36 
     37 /dts-v1/;
     38 /plugin/;
     39 
     40 / {
     41 	compatible = "friendlyarm,nanopi-neo2", "friendlyarm,nanopi-neo-air",
     42 	    "friendlyarm,nanopi-neo";
     43 
     44 	/* ohci1/ehci1 is brought out to a connector on the board. */
     45 	fragment@0 {
     46 		target = <&ehci1>;
     47 		__overlay__ {
     48 			status = "okay";
     49 		};
     50 	};
     51 
     52 	fragment@1 {
     53 		target = <&ohci1>;
     54 		__overlay__ {
     55 			status = "okay";
     56 		};
     57 	};
     58 
     59 	/* ohci2/ehci2 has the JM20329 USB2->SATA bridge. */
     60 	fragment@2 {
     61 		target = <&ehci2>;
     62 		__overlay__ {
     63 			status = "okay";
     64 		};
     65 	};
     66 
     67 	fragment@3 {
     68 		target = <&ohci2>;
     69 		__overlay__ {
     70 			status = "okay";
     71 		};
     72 	};
     73 
     74 	/* i2c0 has the DS1307 real time clock chip. */
     75 	fragment@4 {
     76 		target = <&i2c0>;
     77 		__overlay__ {
     78 			status = "okay";
     79 
     80 			dock_rtc: rtc@68 {
     81 				compatible = "dallas,ds1307";
     82 				reg = <0x68>;
     83 			};
     84 		};
     85 	};
     86 
     87 	/*
     88 	 * Alias rtc0 to the DS1307 so the kernel will use it
     89 	 * instead of the built-in RTC on the SoC (which is not
     90 	 * battery-backed).
     91 	 */
     92 	fragment@5 {
     93 		target-path = "/aliases";
     94 		__overlay__ {
     95 			rtc0 = &dock_rtc;
     96 		};
     97 	};
     98 };
     99