arch/arm/boot/dts/kirkwood-linkstation.dtsi

   1 /*
   2  * Device Tree common file for kirkwood based Buffalo Linkstation
   3  *
   4  * Copyright (C) 2015, 2016
   5  * Roger Shimizu <rogershimizu@gmail.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
  46 / {
  47         chosen {
  48                 bootargs = "console=ttyS0,115200n8 earlyprintk";
  49                 stdout-path = &uart0;
  50         };
  51
  52         ocp@f1000000 {
  53                 pinctrl: pin-controller@10000 {
  54                         pmx_power_hdd0: pmx-power-hdd0 {
  55                                 marvell,function = "gpio";
  56                         };
  57                         pmx_usb_vbus: pmx-usb-vbus {
  58                                 marvell,function = "gpio";
  59                         };
  60                         pmx_led_alarm: pmx-led-alarm {
  61                                 marvell,function = "gpio";
  62                         };
  63                         pmx_led_function_red: pmx-led-function-red {
  64                                 marvell,function = "gpio";
  65                         };
  66                         pmx_led_function_blue: pmx-led-function-blue {
  67                                 marvell,function = "gpio";
  68                         };
  69                         pmx_led_info: pmx-led-info {
  70                                 marvell,function = "gpio";
  71                         };
  72                         pmx_led_power: pmx-led-power {
  73                                 marvell,function = "gpio";
  74                         };
  75                         pmx_button_function: pmx-button-function {
  76                                 marvell,function = "gpio";
  77                         };
  78                         pmx_power_switch: pmx-power-switch {
  79                                 marvell,function = "gpio";
  80                         };
  81                         pmx_power_auto_switch: pmx-power-auto-switch {
  82                                 marvell,function = "gpio";
  83                         };
  84                 };
  85
  86                 serial@12000 {
  87                         status = "okay";
  88                 };
  89
  90                 sata@80000 {
  91                         status = "okay";
  92                         nr-ports = <1>;
  93                 };
  94
  95                 spi@10600 {
  96                         status = "okay";
  97
  98                         m25p40@0 {
  99                                 #address-cells = <1>;
 100                                 #size-cells = <1>;
 101                                 compatible = "st,m25p40", "jedec,spi-nor";
 102                                 reg = <0>;
 103                                 spi-max-frequency = <25000000>;
 104                                 mode = <0>;
 105
 106                                 partition@0 {
 107                                         reg = <0x0 0x60000>;
 108                                         label = "uboot";
 109                                         read-only;
 110                                 };
 111
 112                                 partition@60000 {
 113                                         reg = <0x60000 0x10000>;
 114                                         label = "dtb";
 115                                         read-only;
 116                                 };
 117
 118                                 partition@70000 {
 119                                         reg = <0x70000 0x10000>;
 120                                         label = "uboot_env";
 121                                 };
 122                         };
 123                 };
 124         };
 125
 126         gpio_keys {
 127                 compatible = "gpio-keys";
 128                 #address-cells = <1>;
 129                 #size-cells = <0>;
 130                 pinctrl-0 = <&pmx_button_function &pmx_power_switch
 131                              &pmx_power_auto_switch>;
 132                 pinctrl-names = "default";
 133
 134                 function-button {
 135                         label = "Function Button";
 136                         linux,code = <KEY_OPTION>;
 137                 };
 138
 139                 power-on-switch {
 140                         label = "Power-on Switch";
 141                         linux,code = <KEY_RESERVED>;
 142                         linux,input-type = <5>;
 143                 };
 144
 145                 power-auto-switch {
 146                         label = "Power-auto Switch";
 147                         linux,code = <KEY_ESC>;
 148                         linux,input-type = <5>;
 149                 };
 150         };
 151
 152         gpio_leds {
 153                 compatible = "gpio-leds";
 154                 pinctrl-0 = <&pmx_led_function_red &pmx_led_alarm
 155                              &pmx_led_info &pmx_led_power
 156                              &pmx_led_function_blue>;
 157                 pinctrl-names = "default";
 158         };
 159
 160         restart_poweroff {
 161                 compatible = "restart-poweroff";
 162         };
 163
 164         regulators {
 165                 compatible = "simple-bus";
 166                 #address-cells = <1>;
 167                 #size-cells = <0>;
 168                 pinctrl-0 = <&pmx_power_hdd0 &pmx_usb_vbus>;
 169                 pinctrl-names = "default";
 170
 171                 usb_power: regulator@1 {
 172                         compatible = "regulator-fixed";
 173                         reg = <1>;
 174                         regulator-name = "USB Power";
 175                         regulator-min-microvolt = <5000000>;
 176                         regulator-max-microvolt = <5000000>;
 177                         enable-active-high;
 178                         regulator-always-on;
 179                         regulator-boot-on;
 180                 };
 181
 182                 hdd_power0: regulator@2 {
 183                         compatible = "regulator-fixed";
 184                         reg = <2>;
 185                         regulator-name = "HDD0 Power";
 186                         regulator-min-microvolt = <5000000>;
 187                         regulator-max-microvolt = <5000000>;
 188                         enable-active-high;
 189                         regulator-always-on;
 190                         regulator-boot-on;
 191                 };
 192         };
 193 };
 194
 195 &pciec {
 196         status = "okay";
 197 };
 198
 199 &pcie0 {
 200         status = "okay";
 201 };