sys/dts/arm/yyhd18-m3.dts

   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 };