target/linux/ramips/dts/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         chosen {
  46                 bootargs = "console=ttyS0,115200";
  47         };
  48
  49         gpio-export {
  50                 compatible = "gpio-export";
  51                 #size-cells = <0>;
  52
  53                 power_modem {
  54                         gpio-export,name = "power_modem";
  55                         gpio-export,output = <1>;
  56                         gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
  57                 };
  58         };
  59
  60         gpio-leds {
  61                 compatible = "gpio-leds";
  62
  63                 sdcard {
  64                         label = "c108:green:sdcard";
  65                         gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
  66                 };
  67
  68                 modem_green {
  69                         label = "c108:green:modem";
  70                         gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
  71                 };
  72
  73                 modem_red {
  74                         label = "c108:red:modem";
  75                         gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
  76                 };
  77
  78                 lan_red {
  79                         label = "c108:red:lan";
  80                         gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>;
  81                 };
  82
  83                 lan_green {
  84                         label = "c108:green:lan";
  85                         gpios = <&gpio2 4 GPIO_ACTIVE_HIGH>;
  86                 };
  87         };
  88
  89         gpio-keys-polled {
  90                 compatible = "gpio-keys-polled";
  91                 #address-cells = <1>;
  92                 #size-cells = <0>;
  93                 poll-interval = <20>;
  94
  95                 reset {
  96                         label = "reset";
  97                         gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
  98                         linux,code = <KEY_RESTART>;
  99                 };
 100         };
 101 };
 102
 103 &gpio1 {
 104         status = "okay";
 105 };
 106
 107 &gpio2 {
 108         status = "okay";
 109 };
 110
 111 &spi0 {
 112         status = "okay";
 113
 114         en25q128@0 {
 115                 #address-cells = <1>;
 116                 #size-cells = <1>;
 117                 compatible = "jedec,spi-nor";
 118                 reg = <0>;
 119                 spi-max-frequency = <10000000>;
 120
 121                 partition@0 {
 122                         label = "u-boot";
 123                         reg = <0x0 0x30000>;
 124                         read-only;
 125                 };
 126
 127                 partition@30000 {
 128                         label = "u-boot-env";
 129                         reg = <0x30000 0x10000>;
 130                         read-only;
 131                 };
 132
 133                 factory: partition@40000 {
 134                         label = "factory";
 135                         reg = <0x40000 0x10000>;
 136                         read-only;
 137                 };
 138
 139                 partition@50000 {
 140                         label = "firmware";
 141                         reg = <0x50000 0xfb0000>;
 142                 };
 143         };
 144 };
 145
 146 &sdhci {
 147         status = "okay";
 148 };
 149
 150 &ehci {
 151         status = "okay";
 152 };
 153
 154 &ohci {
 155         status = "okay";
 156 };
 157
 158 &ethernet {
 159         mtd-mac-address = <&factory 0x28>;
 160 };
 161
 162 &wmac {
 163         ralink,mtd-eeprom = <&factory 0>;
 164 };
 165
 166 &pinctrl {
 167         state_default: pinctrl0 {
 168                 default {
 169                         ralink,group = "i2c", "uartf", "spi refclk", "ephy";
 170                         ralink,function = "gpio";
 171                 };
 172         };
 173 };
 174
 175 &pcie {
 176         status = "okay";
 177 };