arch/arm/boot/dts/meson8.dtsi

   1 /*
   2  * Copyright 2014 Carlo Caione <carlo@caione.org>
   3  *
   4  * This file is dual-licensed: you can use it either under the terms
   5  * of the GPL or the X11 license, at your option. Note that this dual
   6  * licensing only applies to this file, and not this project as a
   7  * whole.
   8  *
   9  *  a) This library is free software; you can redistribute it and/or
  10  *     modify it under the terms of the GNU General Public License as
  11  *     published by the Free Software Foundation; either version 2 of the
  12  *     License, or (at your option) any later version.
  13  *
  14  *     This library is distributed in the hope that it will be useful,
  15  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *     GNU General Public License for more details.
  18  *
  19  *     You should have received a copy of the GNU General Public License
  20  *     along with this program. If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  * Or, alternatively,
  23  *
  24  *  b) Permission is hereby granted, free of charge, to any person
  25  *     obtaining a copy of this software and associated documentation
  26  *     files (the "Software"), to deal in the Software without
  27  *     restriction, including without limitation the rights to use,
  28  *     copy, modify, merge, publish, distribute, sublicense, and/or
  29  *     sell copies of the Software, and to permit persons to whom the
  30  *     Software is furnished to do so, subject to the following
  31  *     conditions:
  32  *
  33  *     The above copyright notice and this permission notice shall be
  34  *     included in all copies or substantial portions of the Software.
  35  *
  36  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  37  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  38  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  39  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  40  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  41  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  42  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  43  *     OTHER DEALINGS IN THE SOFTWARE.
  44  */
  45
  46 #include <dt-bindings/clock/meson8b-clkc.h>
  47 #include <dt-bindings/gpio/meson8-gpio.h>
  48 #include "meson.dtsi"
  49
  50 / {
  51         model = "Amlogic Meson8 SoC";
  52         compatible = "amlogic,meson8";
  53
  54         cpus {
  55                 #address-cells = <1>;
  56                 #size-cells = <0>;
  57
  58                 cpu@200 {
  59                         device_type = "cpu";
  60                         compatible = "arm,cortex-a9";
  61                         next-level-cache = <&L2>;
  62                         reg = <0x200>;
  63                 };
  64
  65                 cpu@201 {
  66                         device_type = "cpu";
  67                         compatible = "arm,cortex-a9";
  68                         next-level-cache = <&L2>;
  69                         reg = <0x201>;
  70                 };
  71
  72                 cpu@202 {
  73                         device_type = "cpu";
  74                         compatible = "arm,cortex-a9";
  75                         next-level-cache = <&L2>;
  76                         reg = <0x202>;
  77                 };
  78
  79                 cpu@203 {
  80                         device_type = "cpu";
  81                         compatible = "arm,cortex-a9";
  82                         next-level-cache = <&L2>;
  83                         reg = <0x203>;
  84                 };
  85         };
  86
  87         reserved-memory {
  88                 #address-cells = <1>;
  89                 #size-cells = <1>;
  90                 ranges;
  91
  92                 /* 2 MiB reserved for Hardware ROM Firmware? */
  93                 hwrom@0 {
  94                         reg = <0x0 0x200000>;
  95                         no-map;
  96                 };
  97
  98                 /*
  99                  * 1 MiB reserved for the "ARM Power Firmware": this is ARM
 100                  * code which is responsible for system suspend. It loads a
 101                  * piece of ARC code ("arc_power" in the vendor u-boot tree)
 102                  * into SRAM, executes that and shuts down the (last) ARM core.
 103                  * The arc_power firmware then checks various wakeup sources
 104                  * (IR remote receiver, HDMI CEC, WIFI and Bluetooth wakeup or
 105                  * simply the power key) and re-starts the ARM core once it
 106                  * detects a wakeup request.
 107                  */
 108                 power-firmware@4f00000 {
 109                         reg = <0x4f00000 0x100000>;
 110                         no-map;
 111                 };
 112         };
 113 }; /* end of / */
 114
 115 &aobus {
 116         pinctrl_aobus: pinctrl@84 {
 117                 compatible = "amlogic,meson8-aobus-pinctrl";
 118                 reg = <0x84 0xc>;
 119                 #address-cells = <1>;
 120                 #size-cells = <1>;
 121                 ranges;
 122
 123                 gpio_ao: ao-bank@14 {
 124                         reg = <0x14 0x4>,
 125                               <0x2c 0x4>,
 126                               <0x24 0x8>;
 127                         reg-names = "mux", "pull", "gpio";
 128                         gpio-controller;
 129                         #gpio-cells = <2>;
 130                         gpio-ranges = <&pinctrl_aobus 0 120 16>;
 131                 };
 132
 133                 uart_ao_a_pins: uart_ao_a {
 134                         mux {
 135                                 groups = "uart_tx_ao_a", "uart_rx_ao_a";
 136                                 function = "uart_ao";
 137                         };
 138                 };
 139
 140                 i2c_ao_pins: i2c_mst_ao {
 141                         mux {
 142                                 groups = "i2c_mst_sck_ao", "i2c_mst_sda_ao";
 143                                 function = "i2c_mst_ao";
 144                         };
 145                 };
 146
 147                 ir_recv_pins: remote {
 148                         mux {
 149                                 groups = "remote_input";
 150                                 function = "remote";
 151                         };
 152                 };
 153
 154                 pwm_f_ao_pins: pwm-f-ao {
 155                         mux {
 156                                 groups = "pwm_f_ao";
 157                                 function = "pwm_f_ao";
 158                         };
 159                 };
 160         };
 161 };
 162
 163 &cbus {
 164         clkc: clock-controller@4000 {
 165                 #clock-cells = <1>;
 166                 compatible = "amlogic,meson8-clkc";
 167                 reg = <0x8000 0x4>, <0x4000 0x460>;
 168         };
 169
 170         pinctrl_cbus: pinctrl@9880 {
 171                 compatible = "amlogic,meson8-cbus-pinctrl";
 172                 reg = <0x9880 0x10>;
 173                 #address-cells = <1>;
 174                 #size-cells = <1>;
 175                 ranges;
 176
 177                 gpio: banks@80b0 {
 178                         reg = <0x80b0 0x28>,
 179                               <0x80e8 0x18>,
 180                               <0x8120 0x18>,
 181                               <0x8030 0x30>;
 182                         reg-names = "mux", "pull", "pull-enable", "gpio";
 183                         gpio-controller;
 184                         #gpio-cells = <2>;
 185                         gpio-ranges = <&pinctrl_cbus 0 0 120>;
 186                 };
 187
 188                 sd_a_pins: sd-a {
 189                         mux {
 190                                 groups = "sd_d0_a", "sd_d1_a", "sd_d2_a",
 191                                         "sd_d3_a", "sd_clk_a", "sd_cmd_a";
 192                                 function = "sd_a";
 193                         };
 194                 };
 195
 196                 sd_b_pins: sd-b {
 197                         mux {
 198                                 groups = "sd_d0_b", "sd_d1_b", "sd_d2_b",
 199                                         "sd_d3_b", "sd_clk_b", "sd_cmd_b";
 200                                 function = "sd_b";
 201                         };
 202                 };
 203
 204                 sd_c_pins: sd-c {
 205                         mux {
 206                                 groups = "sd_d0_c", "sd_d1_c", "sd_d2_c",
 207                                         "sd_d3_c", "sd_clk_c", "sd_cmd_c";
 208                                 function = "sd_c";
 209                         };
 210                 };
 211
 212                 spi_nor_pins: nor {
 213                         mux {
 214                                 groups = "nor_d", "nor_q", "nor_c", "nor_cs";
 215                                 function = "nor";
 216                         };
 217                 };
 218
 219                 eth_pins: ethernet {
 220                         mux {
 221                                 groups = "eth_tx_clk_50m", "eth_tx_en",
 222                                          "eth_txd1", "eth_txd0",
 223                                          "eth_rx_clk_in", "eth_rx_dv",
 224                                          "eth_rxd1", "eth_rxd0", "eth_mdio",
 225                                          "eth_mdc";
 226                                 function = "ethernet";
 227                         };
 228                 };
 229
 230                 pwm_e_pins: pwm-e {
 231                         mux {
 232                                 groups = "pwm_e";
 233                                 function = "pwm_e";
 234                         };
 235                 };
 236         };
 237 };
 238
 239 &ethmac {
 240         clocks = <&clkc CLKID_CLK81>;
 241         clock-names = "stmmaceth";
 242 };
 243
 244 &hwrng {
 245         compatible = "amlogic,meson8-rng", "amlogic,meson-rng";
 246         clocks = <&clkc CLKID_RNG0>;
 247         clock-names = "core";
 248 };
 249
 250 &i2c_AO {
 251         clocks = <&clkc CLKID_CLK81>;
 252 };
 253
 254 &i2c_A {
 255         clocks = <&clkc CLKID_CLK81>;
 256 };
 257
 258 &i2c_B {
 259         clocks = <&clkc CLKID_CLK81>;
 260 };
 261
 262 &L2 {
 263         arm,data-latency = <3 3 3>;
 264         arm,tag-latency = <2 2 2>;
 265         arm,filter-ranges = <0x100000 0xc0000000>;
 266 };
 267
 268 &saradc {
 269         compatible = "amlogic,meson8-saradc", "amlogic,meson-saradc";
 270         clocks = <&clkc CLKID_XTAL>,
 271                 <&clkc CLKID_SAR_ADC>,
 272                 <&clkc CLKID_SANA>;
 273         clock-names = "clkin", "core", "sana";
 274 };
 275
 276 &spifc {
 277         clocks = <&clkc CLKID_CLK81>;
 278 };
 279
 280 &uart_AO {
 281         clocks = <&clkc CLKID_CLK81>;
 282 };
 283
 284 &uart_A {
 285         clocks = <&clkc CLKID_CLK81>;
 286 };
 287
 288 &uart_B {
 289         clocks = <&clkc CLKID_CLK81>;
 290 };
 291
 292 &uart_C {
 293         clocks = <&clkc CLKID_CLK81>;
 294 };
 295
 296 &usb0 {
 297         compatible = "amlogic,meson8-usb", "snps,dwc2";
 298         clocks = <&clkc CLKID_USB0_DDR_BRIDGE>;
 299         clock-names = "otg";
 300 };
 301
 302 &usb1 {
 303         compatible = "amlogic,meson8-usb", "snps,dwc2";
 304         clocks = <&clkc CLKID_USB1_DDR_BRIDGE>;
 305         clock-names = "otg";
 306 };
 307
 308 &usb0_phy {
 309         compatible = "amlogic,meson8-usb2-phy", "amlogic,meson-mx-usb2-phy";
 310         clocks = <&clkc CLKID_USB>, <&clkc CLKID_USB0>;
 311         clock-names = "usb_general", "usb";
 312 };
 313
 314 &usb1_phy {
 315         compatible = "amlogic,meson8-usb2-phy", "amlogic,meson-mx-usb2-phy";
 316         clocks = <&clkc CLKID_USB>, <&clkc CLKID_USB1>;
 317         clock-names = "usb_general", "usb";
 318 };