target/linux/ramips/dts/mt7620a_hnet_c108.dts

   1 /*
   2  *  BSD LICENSE
   3  *
   4  *  Copyright(c) 2017 Kristian Evensen <kristian.evensen@gmail.com>.
   5  *  All rights reserved.
   6  *
   7  *  Redistribution and use in source and binary forms, with or without
   8  *  modification, are permitted provided that the following conditions
   9  *  are met:
  10  *
  11  *    * Redistributions of source code must retain the above copyright
  12  *      notice, this list of conditions and the following disclaimer.
  13  *    * Redistributions in binary form must reproduce the above copyright
  14  *      notice, this list of conditions and the following disclaimer in
  15  *      the documentation and/or other materials provided with the
  16  *      distribution.
  17  *    * Neither the name of Broadcom Corporation nor the names of its
  18  *      contributors may be used to endorse or promote products derived
  19  *      from this software without specific prior written permission.
  20  *
  21  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 /dts-v1/;
  35
  36 #include "mt7620a.dtsi"
  37
  38 #include <dt-bindings/gpio/gpio.h>
  39 #include <dt-bindings/input/input.h>
  40
  41 / {
  42         compatible = "hnet,c108", "ralink,mt7620a-soc";
  43         model = "HNET C108";
  44
  45         aliases {
  46                 led-boot = &led_lan_green;
  47                 led-failsafe = &led_lan_green;
  48                 led-running = &led_lan_green;
  49                 led-upgrade = &led_lan_green;
  50         };
  51
  52         chosen {
  53                 bootargs = "console=ttyS0,115200";
  54         };
  55
  56         gpio-export {
  57                 compatible = "gpio-export";
  58                 #size-cells = <0>;
  59
  60                 power_modem {
  61                         gpio-export,name = "power_modem";
  62                         gpio-export,output = <1>;
  63                         gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
  64                 };
  65         };
  66
  67         leds {
  68                 compatible = "gpio-leds";
  69
  70                 sdcard {
  71                         label = "c108:green:sdcard";
  72                         gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
  73                 };
  74
  75                 modem_green {
  76                         label = "c108:green:modem";
  77                         gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
  78                 };
  79
  80                 modem_red {
  81                         label = "c108:red:modem";
  82                         gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
  83                 };
  84
  85                 lan_red {
  86                         label = "c108:red:lan";
  87                         gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>;
  88                 };
  89
  90                 led_lan_green: lan_green {
  91                         label = "c108:green:lan";
  92                         gpios = <&gpio2 4 GPIO_ACTIVE_HIGH>;
  93                 };
  94         };
  95
  96         keys {
  97                 compatible = "gpio-keys-polled";
  98                 poll-interval = <20>;
  99
 100                 reset {
 101                         label = "reset";
 102                         gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
 103                         linux,code = <KEY_RESTART>;
 104                 };
 105         };
 106 };
 107
 108 &gpio1 {
 109         status = "okay";
 110 };
 111
 112 &gpio2 {
 113         status = "okay";
 114 };
 115
 116 &spi0 {
 117         status = "okay";
 118
 119         en25q128@0 {
 120                 compatible = "jedec,spi-nor";
 121                 reg = <0>;
 122                 spi-max-frequency = <10000000>;
 123
 124                 partitions {
 125                         compatible = "fixed-partitions";
 126                         #address-cells = <1>;
 127                         #size-cells = <1>;
 128
 129                         partition@0 {
 130                                 label = "u-boot";
 131                                 reg = <0x0 0x30000>;
 132                                 read-only;
 133                         };
 134
 135                         partition@30000 {
 136                                 label = "u-boot-env";
 137                                 reg = <0x30000 0x10000>;
 138                                 read-only;
 139                         };
 140
 141                         factory: partition@40000 {
 142                                 label = "factory";
 143                                 reg = <0x40000 0x10000>;
 144                                 read-only;
 145                         };
 146
 147                         partition@50000 {
 148                                 compatible = "denx,uimage";
 149                                 label = "firmware";
 150                                 reg = <0x50000 0xfb0000>;
 151                         };
 152                 };
 153         };
 154 };
 155
 156 &sdhci {
 157         status = "okay";
 158 };
 159
 160 &ehci {
 161         status = "okay";
 162 };
 163
 164 &ohci {
 165         status = "okay";
 166 };
 167
 168 &ethernet {
 169         mtd-mac-address = <&factory 0x28>;
 170 };
 171
 172 &wmac {
 173         ralink,mtd-eeprom = <&factory 0>;
 174 };
 175
 176 &pinctrl {
 177         state_default: pinctrl0 {
 178                 default {
 179                         ralink,group = "i2c", "uartf", "spi refclk", "ephy";
 180                         ralink,function = "gpio";
 181                 };
 182         };
 183 };
 184
 185 &pcie {
 186         status = "okay";
 187 };