yyhd18-m3.dts

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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 ordering of certain devices is significant (e.g. usb depends on
   31  * usb-phy which depends on gpio, also the timer should appear early on
   32  * to provide a reasonably accurate DELAY implementation).
   33  */
   34 
   35 /dts-v1/;
   36 
   37 /memreserve/ 0x84900000 0x00600000;                     /* 6MB frame buffer */
   38 
   39 #include "meson3.dtsi"
   40 
   41 / {
   42         /*
   43          * My development unit is a Yiyate Android TV Box containing
   44          * a HD18 motherboard and an aml8726-m3 SoC ... later versions
   45          * shipped with an aml8726-m6.  Printenv in uboot shows m3-oplay
   46          * as the boardname supplied as part of mmcargs.
   47          */
   48 
   49         model = "yiyate,hd18-m3";
   50         compatible = "yiyate,hd18-m3", "amlogic,meson3";
   51 
   52         #address-cells = <1>;
   53         #size-cells = <1>;
   54 
   55         aliases {
   56                 soc = &soc;
   57                 screen = &screen;
   58                 uart0 = &uart_AO;
   59         };
   60 
   61         memory {
   62                 device_type = "memory";
   63                 reg = <0x80000000 0x40000000>;          /* 1GB RAM */
   64         };
   65 
   66         soc: soc {
   67                 device_type = "soc";
   68                 bus-frequency = <0>;
   69 
   70                 ccm@c1104140 {
   71                         compatible = "amlogic,aml8726-ccm";
   72                         reg = <0xc1104140 20>;  /* cbus 0x1050 */
   73 
   74                         functions = "ethernet", "i2c", "rng", "sdio",
   75                                     "uart-a", "uart-b", "uart-c",
   76                                     "usb-a", "usb-b";
   77                 };
   78 
   79                 pinctrl: pinctrl@c11080b0 {
   80                         compatible = "amlogic,aml8726-pinctrl";
   81                         reg = <0xc11080b0 40>,  /* mux */
   82                               <0xc11080e8 24>,  /* pu/pd */
   83                               <0xc11080e8 24>,  /* pull enable */
   84                               <0xc8100014 4>,   /* ao mux */
   85                               <0xc810002c 4>,   /* ao pu/pd */
   86                               <0xc810002c 4>;   /* ao pull enable */
   87 
   88                         /*
   89                          * Currently only pin muxing that deviates
   90                          * from the power on default of gpio is
   91                          * specified here.
   92                          */
   93 
   94                         pinctrl-names = "default";
   95                         pinctrl-0 = <&pins_uartao &pins_ethernet &pins_hdmi>;
   96 
   97                         pins_ethernet: ethernet {
   98                                 amlogic,pins = "clk_out", "tx_en",
   99                                                "tx_d0",  "tx_d1",
  100                                                "crs_dv", "rx_err",
  101                                                "rx_d0",  "rx_d1",
  102                                                "mdc",    "mdio";
  103                                 amlogic,function = "ethernet";
  104                         };
  105 
  106                         pins_hdmi: hdmi {
  107                                 amlogic,pins = "cec", "hpd",
  108                                                "scl", "sda";
  109                                 amlogic,function = "hdmi";
  110                         };
  111 
  112                         pins_sdio_b: sdio_b {
  113                                 amlogic,pins = "clk", "cmd",
  114                                                "d0",  "d1",
  115                                                "d2",  "d3";
  116                                 amlogic,function = "sdio-b";
  117                         };
  118 
  119                         pins_uartao: uartao {
  120                                 amlogic,pins = "tx", "rx";
  121                                 amlogic,function = "uart-ao";
  122                         };
  123                 };
  124 
  125                 rtc@c8100740 {
  126                         compatible = "amlogic,aml8726-rtc";
  127                         reg = <0xc8100740 20>;  /* aobus 0x1d0 */
  128                         interrupts = <0 72 1>;  /* AM_IRQ2(8) */
  129                 };
  130 
  131                 clkmsr: clkmsr@c1108758 {
  132                         compatible = "amlogic,aml8726-clkmsr";
  133                         reg = <0xc1108758 16>;  /* cbus 0x21d6 */
  134 
  135                         clocks = <&clk81>;
  136                 };
  137 
  138                 gpio5: gpio@c110806c {
  139                         compatible = "amlogic,aml8726-gpio";
  140                         reg = <0xc110806c 4>,   /* oen cbus 0x201b */
  141                               <0xc1108070 4>,   /* out */
  142                               <0xc1108074 4>;   /* in */
  143 
  144                         gpio-controller;
  145                         #gpio-cells = <1>;
  146                         pin-count = <32>;
  147                 };
  148 
  149                 mmc@c1108c20 {
  150                         compatible = "amlogic,aml8726-mmc";
  151                         reg = <0xc1108c20 32>;  /* cbus 0x2308 */
  152                         interrupts = <0 28 1>;  /* AM_IRQ0(28) */
  153 
  154                         clocks = <&clk81>;
  155 
  156                         pinctrl-names = "default";
  157                         pinctrl-0 = <&pins_sdio_b>;
  158 
  159                         mmc-voltages = "3.3";
  160 
  161                         mmc-pwr-en = <&gpio5 31 0>;     /* card_8 */
  162                         ins-detect = <&gpio5 29 0>;     /* card_6 */
  163                 };
  164 
  165                 rng@c1108100 {
  166                         compatible = "amlogic,aml8726-rng";
  167                         reg = <0xc1108100 8>;   /* cbus 0x2040 */
  168                 };
  169 
  170                 usb-phy@c1108400 {
  171                         /* usb-a and usb-b phy */
  172                         compatible = "amlogic,aml8726-m3-usb-phy";
  173                         reg = <0xc1108400 32>;  /* cbus 0x2100 */
  174                 };
  175 
  176                 usb@c9040000 {
  177                         /* usb-a */
  178                         compatible = "synopsys,designware-hs-otg2";
  179                         reg = <0xc9040000 0x40000>;     /* ahbbus 0x40000*/
  180                         interrupts = <0 30 4>;          /* AM_IRQ0(30) */
  181                         #address-cells = <1>;
  182                         #size-cells = <0>;
  183                 };
  184 
  185                 usb@c90c0000 {
  186                         /* usb-b */
  187                         compatible = "synopsys,designware-hs-otg2";
  188                         reg = <0xc90c0000 0x40000>;     /* ahbbus 0xc0000 */
  189                         interrupts = <0 31 4>;          /* AM_IRQ0(31) */
  190                         #address-cells = <1>;
  191                         #size-cells = <0>;
  192 
  193                         dr_mode = "host";
  194                 };
  195 
  196                 eth@c9410000 {
  197                         /* ethernet */
  198                         compatible = "snps,dwmac";
  199                         reg = <0xc9410000 0x2000>;      /* ahbbus 0x410000 */
  200                         interrupts = <0 8 1>;           /* AM_IRQ0(8) */
  201                         #address-cells = <1>;
  202                         #size-cells = <0>;
  203                 };
  204 
  205                 screen: fb@c8001324 {
  206                         device_type = "display";
  207                         compatible = "amlogic,aml8726-fb";
  208                         reg = <0xc8001324 12>,          /* CANVAS */
  209                               <0xc1106800 1024>,        /* VIU */
  210                               <0xc1107400 1024>;        /* VPP */
  211                         interrupts = <0 2 1>,           /* AM_IRQ0(2) */
  212                                      <0 3 1>,           /* AM_IRQ0(3) */
  213                                      <0 12 1>,          /* AM_IRQ0(12) */
  214                                      <0 13 1>;          /* AM_IRQ0(13) */
  215 
  216                         address = <0x84900000>; /* match memreserve */
  217                         width = <720>;
  218                         height = <480>;
  219                         depth = <24>;
  220                         linebytes = <2160>;
  221                 };
  222         };
  223 
  224         chosen {
  225                 stdin = "uart0";
  226                 stdout = "uart0";
  227         };
  228 };
  229 
  230 &clk81 {
  231         clock-frequency = <0>;
  232 };
  233 
  234 &uart_AO {
  235         status = "okay";
  236         current-speed = <115200>;
  237 };

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FreeBSD/Linux Kernel Cross Reference sys/dts/arm/yyhd18-m3.dts

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sys/dts/arm/yyhd18-m3.dts