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 , 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         mbus {
  53                 pcie-controller {
  54                         status = "okay";
  55                         pcie@1,0 {
  56                                 status = "okay";
  57                         };
  58                 };
  59         };
  60
  61         ocp@f1000000 {
  62                 pinctrl: pin-controller@10000 {
  63                         pmx_power_hdd0: pmx-power-hdd0 {
  64                                 marvell,function = "gpio";
  65                         };
  66                         pmx_usb_vbus: pmx-usb-vbus {
  67                                 marvell,function = "gpio";
  68                         };
  69                         pmx_led_alarm: pmx-led-alarm {
  70                                 marvell,function = "gpio";
  71                         };
  72                         pmx_led_function_red: pmx-led-function-red {
  73                                 marvell,function = "gpio";
  74                         };
  75                         pmx_led_function_blue: pmx-led-function-blue {
  76                                 marvell,function = "gpio";
  77                         };
  78                         pmx_led_info: pmx-led-info {
  79                                 marvell,function = "gpio";
  80                         };
  81                         pmx_led_power: pmx-led-power {
  82                                 marvell,function = "gpio";
  83                         };
  84                         pmx_button_function: pmx-button-function {
  85                                 marvell,function = "gpio";
  86                         };
  87                         pmx_power_switch: pmx-power-switch {
  88                                 marvell,function = "gpio";
  89                         };
  90                         pmx_power_auto_switch: pmx-power-auto-switch {
  91                                 marvell,function = "gpio";
  92                         };
  93                 };
  94
  95                 serial@12000 {
  96                         status = "okay";
  97                 };
  98
  99                 sata@80000 {
 100                         status = "okay";
 101                         nr-ports = <1>;
 102                 };
 103
 104                 spi@10600 {
 105                         status = "okay";
 106
 107                         m25p40@0 {
 108                                 #address-cells = <1>;
 109                                 #size-cells = <1>;
 110                                 compatible = "st,m25p40", "jedec,spi-nor";
 111                                 reg = <0>;
 112                                 spi-max-frequency = <25000000>;
 113                                 mode = <0>;
 114
 115                                 partition@0 {
 116                                         reg = <0x0 0x60000>;
 117                                         label = "uboot";
 118                                         read-only;
 119                                 };
 120
 121                                 partition@60000 {
 122                                         reg = <0x60000 0x10000>;
 123                                         label = "dtb";
 124                                         read-only;
 125                                 };
 126
 127                                 partition@70000 {
 128                                         reg = <0x70000 0x10000>;
 129                                         label = "uboot_env";
 130                                 };
 131                         };
 132                 };
 133         };
 134
 135         gpio_keys {
 136                 compatible = "gpio-keys";
 137                 #address-cells = <1>;
 138                 #size-cells = <0>;
 139                 pinctrl-0 = <&pmx_button_function &pmx_power_switch
 140                              &pmx_power_auto_switch>;
 141                 pinctrl-names = "default";
 142
 143                 function-button {
 144                         label = "Function Button";
 145                         linux,code = <KEY_OPTION>;
 146                 };
 147
 148                 power-on-switch {
 149                         label = "Power-on Switch";
 150                         linux,code = <KEY_RESERVED>;
 151                         linux,input-type = <5>;
 152                 };
 153
 154                 power-auto-switch {
 155                         label = "Power-auto Switch";
 156                         linux,code = <KEY_ESC>;
 157                         linux,input-type = <5>;
 158                 };
 159         };
 160
 161         gpio_leds {
 162                 compatible = "gpio-leds";
 163                 pinctrl-0 = <&pmx_led_function_red &pmx_led_alarm
 164                              &pmx_led_info &pmx_led_power
 165                              &pmx_led_function_blue>;
 166                 pinctrl-names = "default";
 167         };
 168
 169         restart_poweroff {
 170                 compatible = "restart-poweroff";
 171         };
 172
 173         regulators {
 174                 compatible = "simple-bus";
 175                 #address-cells = <1>;
 176                 #size-cells = <0>;
 177                 pinctrl-0 = <&pmx_power_hdd0 &pmx_usb_vbus>;
 178                 pinctrl-names = "default";
 179
 180                 usb_power: regulator@1 {
 181                         compatible = "regulator-fixed";
 182                         reg = <1>;
 183                         regulator-name = "USB Power";
 184                         regulator-min-microvolt = <5000000>;
 185                         regulator-max-microvolt = <5000000>;
 186                         enable-active-high;
 187                         regulator-always-on;
 188                         regulator-boot-on;
 189                 };
 190
 191                 hdd_power0: regulator@2 {
 192                         compatible = "regulator-fixed";
 193                         reg = <2>;
 194                         regulator-name = "HDD0 Power";
 195                         regulator-min-microvolt = <5000000>;
 196                         regulator-max-microvolt = <5000000>;
 197                         enable-active-high;
 198                         regulator-always-on;
 199                         regulator-boot-on;
 200                 };
 201         };
 202 };