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   1 /*
   2  * at91-sama5d4_xplained.dts - Device Tree file for SAMA5D4 Xplained board
   3  *
   4  *  Copyright (C) 2015 Atmel,
   5  *                2015 Josh Wu <josh.wu@atmel.com>
   6  *
   7  * This file is dual-licensed: you can use it either under the terms
   8  * of the GPL or the X11 license, at your option. Note that this dual
   9  * licensing only applies to this file, and not this project as a
  10  * whole.
  11  *
  12  *  a) This file is free software; you can redistribute it and/or
  13  *     modify it under the terms of the GNU General Public License as
  14  *     published by the Free Software Foundation; either version 2 of the
  15  *     License, or (at your option) any later version.
  16  *
  17  *     This file is distributed in the hope that it will be useful,
  18  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *     GNU General Public License for more details.
  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 /dts-v1/;
  46 #include "sama5d4.dtsi"
  47
  48 / {
  49         model = "Atmel SAMA5D4 Xplained";
  50         compatible = "atmel,sama5d4-xplained", "atmel,sama5d4", "atmel,sama5";
  51
  52         aliases {
  53                 spi0 = &spi0;
  54         };
  55
  56         chosen {
  57                 u-boot,dm-pre-reloc;
  58                 stdout-path = &usart3;
  59         };
  60
  61         memory {
  62                 reg = <0x20000000 0x20000000>;
  63         };
  64
  65         clocks {
  66                 slow_xtal {
  67                         clock-frequency = <32768>;
  68                 };
  69
  70                 main_xtal {
  71                         clock-frequency = <12000000>;
  72                 };
  73         };
  74
  75         ahb {
  76                 apb {
  77                         spi0: spi@f8010000 {
  78                                 u-boot,dm-pre-reloc;
  79                                 cs-gpios = <&pioC 3 0>, <0>, <0>, <0>;
  80                                 status = "okay";
  81                                 spi_flash@0 {
  82                                         u-boot,dm-pre-reloc;
  83                                         compatible = "spi-flash";
  84                                         spi-max-frequency = <50000000>;
  85                                         reg = <0>;
  86                                 };
  87                         };
  88
  89                         i2c0: i2c@f8014000 {
  90                                 status = "okay";
  91                         };
  92
  93                         macb0: ethernet@f8020000 {
  94                                 phy-mode = "rmii";
  95                                 status = "okay";
  96                                 pinctrl-names = "default";
  97                                 pinctrl-0 = <&pinctrl_macb0_rmii &pinctrl_macb0_phy_irq>;
  98
  99                                 phy0: ethernet-phy@1 {
 100                                         interrupt-parent = <&pioE>;
 101                                         interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
 102                                         reg = <1>;
 103                                 };
 104                         };
 105
 106                         mmc1: mmc@fc000000 {
 107                                 u-boot,dm-pre-reloc;
 108                                 pinctrl-names = "default";
 109                                 pinctrl-0 = <&pinctrl_mmc1_clk_cmd_dat0 &pinctrl_mmc1_dat1_3 &pinctrl_mmc1_cd>;
 110                                 vmmc-supply = <&vcc_mmc1_reg>;
 111                                 vqmmc-supply = <&vcc_3v3_reg>;
 112                                 status = "okay";
 113                                 slot@0 {
 114                                         reg = <0>;
 115                                         bus-width = <4>;
 116                                         cd-gpios = <&pioE 3 0>;
 117                                 };
 118                         };
 119
 120                         usart3: serial@fc00c000 {
 121                                 u-boot,dm-pre-reloc;
 122                                 status = "okay";
 123                         };
 124
 125                         usart4: serial@fc010000 {
 126                                 status = "okay";
 127                         };
 128
 129                         spi1: spi@fc018000 {
 130                                 cs-gpios = <&pioB 21 0>;
 131                                 status = "okay";
 132                         };
 133
 134                         adc0: adc@fc034000 {
 135                                 pinctrl-names = "default";
 136                                 pinctrl-0 = <
 137                                         /* external trigger conflicts with USBA_VBUS */
 138                                         &pinctrl_adc0_ad0
 139                                         &pinctrl_adc0_ad1
 140                                         &pinctrl_adc0_ad2
 141                                         &pinctrl_adc0_ad3
 142                                         &pinctrl_adc0_ad4
 143                                         >;
 144                                 atmel,adc-vref = <3300>;
 145                                 status = "okay";
 146                         };
 147
 148                         watchdog@fc068640 {
 149                                 status = "okay";
 150                         };
 151
 152                         pinctrl@fc06a000 {
 153                                 board {
 154                                         u-boot,dm-pre-reloc;
 155                                         pinctrl_mmc1_cd: mmc1_cd {
 156                                                 u-boot,dm-pre-reloc;
 157                                                 atmel,pins =
 158                                                         <AT91_PIOE 3 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
 159                                         };
 160                                         pinctrl_usba_vbus: usba_vbus {
 161                                                 atmel,pins =
 162                                                         <AT91_PIOE 31 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
 163                                         };
 164                                         pinctrl_key_gpio: key_gpio_0 {
 165                                                 atmel,pins =
 166                                                         <AT91_PIOE 8 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
 167                                         };
 168                                         pinctrl_macb0_phy_irq: macb0_phy_irq_0 {
 169                                                 atmel,pins =
 170                                                         <AT91_PIOE 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
 171                                         };
 172                                 };
 173                         };
 174                 };
 175
 176                 usb0: gadget@00400000 {
 177                         atmel,vbus-gpio = <&pioE 31 GPIO_ACTIVE_HIGH>;
 178                         pinctrl-names = "default";
 179                         pinctrl-0 = <&pinctrl_usba_vbus>;
 180                         status = "okay";
 181                 };
 182
 183                 usb1: ohci@00500000 {
 184                         num-ports = <3>;
 185                         atmel,vbus-gpio = <0
 186                                            &pioE 11 GPIO_ACTIVE_HIGH
 187                                            &pioE 14 GPIO_ACTIVE_HIGH
 188                                           >;
 189                         status = "okay";
 190                 };
 191
 192                 usb2: ehci@00600000 {
 193                         status = "okay";
 194                 };
 195
 196                 nand0: nand@80000000 {
 197                         nand-bus-width = <8>;
 198                         nand-ecc-mode = "hw";
 199                         nand-on-flash-bbt;
 200                         atmel,has-pmecc;
 201                         status = "okay";
 202
 203                         at91bootstrap@0 {
 204                                 label = "at91bootstrap";
 205                                 reg = <0x0 0x40000>;
 206                         };
 207
 208                         bootloader@40000 {
 209                                 label = "bootloader";
 210                                 reg = <0x40000 0x80000>;
 211                         };
 212
 213                         bootloaderenv@c0000 {
 214                                 label = "bootloader env";
 215                                 reg = <0xc0000 0xc0000>;
 216                         };
 217
 218                         dtb@180000 {
 219                                 label = "device tree";
 220                                 reg = <0x180000 0x80000>;
 221                         };
 222
 223                         kernel@200000 {
 224                                 label = "kernel";
 225                                 reg = <0x200000 0x600000>;
 226                         };
 227
 228                         rootfs@800000 {
 229                                 label = "rootfs";
 230                                 reg = <0x800000 0x0f800000>;
 231                         };
 232                 };
 233         };
 234
 235         gpio_keys {
 236                 compatible = "gpio-keys";
 237
 238                 pinctrl-names = "default";
 239                 pinctrl-0 = <&pinctrl_key_gpio>;
 240
 241                 pb_user1 {
 242                         label = "pb_user1";
 243                         gpios = <&pioE 8 GPIO_ACTIVE_HIGH>;
 244                         linux,code = <0x100>;
 245                         wakeup-source;
 246                 };
 247         };
 248
 249         leds {
 250                 compatible = "gpio-leds";
 251                 status = "okay";
 252
 253                 d8 {
 254                         label = "d8";
 255                         gpios = <&pioD 30 GPIO_ACTIVE_HIGH>;
 256                         default-state = "on";
 257                 };
 258
 259                 d10 {
 260                         label = "d10";
 261                         gpios = <&pioE 15 GPIO_ACTIVE_LOW>;
 262                         linux,default-trigger = "heartbeat";
 263                 };
 264         };
 265
 266         vcc_3v3_reg: fixedregulator@0 {
 267                 compatible = "regulator-fixed";
 268                 regulator-name = "VCC 3V3";
 269                 regulator-min-microvolt = <3300000>;
 270                 regulator-max-microvolt = <3300000>;
 271                 regulator-boot-on;
 272                 regulator-always-on;
 273                 reg = <0 1>;
 274         };
 275
 276         vcc_mmc1_reg: fixedregulator@1 {
 277                 compatible = "regulator-fixed";
 278                 gpio = <&pioE 4 GPIO_ACTIVE_LOW>;
 279                 regulator-name = "VDD MCI1";
 280                 regulator-min-microvolt = <3300000>;
 281                 regulator-max-microvolt = <3300000>;
 282                 vin-supply = <&vcc_3v3_reg>;
 283                 regulator-always-on;
 284                 reg = <1 1>;
 285         };
 286 };