meson3.dtsi

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    1 /*-
    2  * Copyright (c) 2015 John Wehle <john@feith.com>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD$
   27  */
   28 
   29 /*
   30  * The basic single core aml8726 (aka meson) uses an Amlogic interrupt
   31  * controller, however meson.dtsi specifies GIC (which is present on
   32  * the multicore aml8726) so we need to override things here.
   33  */
   34 
   35 /include/ "meson.dtsi"
   36 
   37 / {
   38         model = "Amlogic Meson3 SoC";
   39         compatible = "amlogic,meson3";
   40 
   41         interrupt-parent = <&pic>;
   42 
   43         pic: pic@c1109a40 {
   44                 device_type = "interrupt-controller";
   45                 compatible = "amlogic,aml8726-pic";
   46                 reg = <0xc1109a40 128>; /* cbus 0x2690 */
   47 
   48                 interrupt-controller;
   49                 #interrupt-cells = <3>;
   50         };
   51 
   52         cpus {
   53                 #address-cells = <1>;
   54                 #size-cells = <0>;
   55 
   56                 cpu@200 {
   57                         device_type = "cpu";
   58                         compatible = "arm,cortex-a9";
   59                         next-level-cache = <&L2>;
   60                         reg = <0x200>;
   61                 };
   62         };
   63 
   64         clk81: clk@0 {
   65                 #clock-cells = <0>;
   66                 compatible = "fixed-clock";
   67                 clock-frequency = <0>;
   68         };
   69 };
   70 
   71 &gic {
   72         status = "disabled";
   73 };
   74 
   75 &L2 {
   76         interrupts = <0 61 1>;
   77 };

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sys/dts/arm/meson3.dtsi