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         aliases {
  46                 led-status = &led_lan_green;
  47         };
  48
  49         chosen {
  50                 bootargs = "console=ttyS0,115200";
  51         };
  52
  53         gpio-export {
  54                 compatible = "gpio-export";
  55                 #size-cells = <0>;
  56
  57                 power_modem {
  58                         gpio-export,name = "power_modem";
  59                         gpio-export,output = <1>;
  60                         gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
  61                 };
  62         };
  63
  64         gpio-leds {
  65                 compatible = "gpio-leds";
  66
  67                 sdcard {
  68                         label = "c108:green:sdcard";
  69                         gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
  70                 };
  71
  72                 modem_green {
  73                         label = "c108:green:modem";
  74                         gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
  75                 };
  76
  77                 modem_red {
  78                         label = "c108:red:modem";
  79                         gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
  80                 };
  81
  82                 lan_red {
  83                         label = "c108:red:lan";
  84                         gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>;
  85                 };
  86
  87                 led_lan_green: lan_green {
  88                         label = "c108:green:lan";
  89                         gpios = <&gpio2 4 GPIO_ACTIVE_HIGH>;
  90                 };
  91         };
  92
  93         gpio-keys-polled {
  94                 compatible = "gpio-keys-polled";
  95                 poll-interval = <20>;
  96
  97                 reset {
  98                         label = "reset";
  99                         gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
 100                         linux,code = <KEY_RESTART>;
 101                 };
 102         };
 103 };
 104
 105 &gpio1 {
 106         status = "okay";
 107 };
 108
 109 &gpio2 {
 110         status = "okay";
 111 };
 112
 113 &spi0 {
 114         status = "okay";
 115
 116         en25q128@0 {
 117                 compatible = "jedec,spi-nor";
 118                 reg = <0>;
 119                 spi-max-frequency = <10000000>;
 120
 121                 partitions {
 122                         compatible = "fixed-partitions";
 123                         #address-cells = <1>;
 124                         #size-cells = <1>;
 125
 126                         partition@0 {
 127                                 label = "u-boot";
 128                                 reg = <0x0 0x30000>;
 129                                 read-only;
 130                         };
 131
 132                         partition@30000 {
 133                                 label = "u-boot-env";
 134                                 reg = <0x30000 0x10000>;
 135                                 read-only;
 136                         };
 137
 138                         factory: partition@40000 {
 139                                 label = "factory";
 140                                 reg = <0x40000 0x10000>;
 141                                 read-only;
 142                         };
 143
 144                         partition@50000 {
 145                                 label = "firmware";
 146                                 reg = <0x50000 0xfb0000>;
 147                         };
 148                 };
 149         };
 150 };
 151
 152 &sdhci {
 153         status = "okay";
 154 };
 155
 156 &ehci {
 157         status = "okay";
 158 };
 159
 160 &ohci {
 161         status = "okay";
 162 };
 163
 164 &ethernet {
 165         mtd-mac-address = <&factory 0x28>;
 166 };
 167
 168 &wmac {
 169         ralink,mtd-eeprom = <&factory 0>;
 170 };
 171
 172 &pinctrl {
 173         state_default: pinctrl0 {
 174                 default {
 175                         ralink,group = "i2c", "uartf", "spi refclk", "ephy";
 176                         ralink,function = "gpio";
 177                 };
 178         };
 179 };
 180
 181 &pcie {
 182         status = "okay";
 183 };