target/linux/ramips/dts/mt7620a_sanlinking_d240.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 #include "mt7620a.dtsi"
  35
  36 #include <dt-bindings/gpio/gpio.h>
  37 #include <dt-bindings/input/input.h>
  38
  39 / {
  40         compatible = "sanlinking,d240", "ralink,mt7620a-soc";
  41         model = "Sanlinking Technologies D240";
  42
  43         aliases {
  44                 led-boot = &led_power;
  45                 led-failsafe = &led_power;
  46                 led-running = &led_power;
  47                 led-upgrade = &led_power;
  48         };
  49
  50         chosen {
  51                 bootargs = "console=ttyS0,115200";
  52         };
  53
  54         gpio-export {
  55                 compatible = "gpio-export";
  56                 #size-cells = <0>;
  57
  58                 power_mpcie2 {
  59                         gpio-export,name = "power_mpcie2";
  60                         gpio-export,output = <1>;
  61                         gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
  62                 };
  63
  64                 power_mpcie1 {
  65                         gpio-export,name = "power_mpcie1";
  66                         gpio-export,output = <1>;
  67                         gpios = <&gpio2 6 GPIO_ACTIVE_HIGH>;
  68                 };
  69         };
  70
  71         leds {
  72                 compatible = "gpio-leds";
  73
  74                 led_power: power {
  75                         label = "d240:blue:power";
  76                         gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>;
  77                 };
  78
  79                 usb {
  80                         label = "d240:blue:usb";
  81                         gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
  82                         trigger-sources = <&ohci_port1>, <&ehci_port1>;
  83                         linux,default-trigger = "usbport";
  84                 };
  85
  86                 air {
  87                         label = "d240:blue:wifi";
  88                         gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
  89                 };
  90         };
  91
  92         keys {
  93                 compatible = "gpio-keys";
  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 &gpio3 {
 112         status = "okay";
 113 };
 114
 115 &spi0 {
 116         status = "okay";
 117
 118         flash@0 {
 119                 compatible = "jedec,spi-nor";
 120                 reg = <0>;
 121                 spi-max-frequency = <10000000>;
 122
 123                 partitions {
 124                         compatible = "fixed-partitions";
 125                         #address-cells = <1>;
 126                         #size-cells = <1>;
 127
 128                         partition@0 {
 129                                 label = "u-boot";
 130                                 reg = <0x0 0x30000>;
 131                                 read-only;
 132                         };
 133
 134                         partition@30000 {
 135                                 label = "u-boot-env";
 136                                 reg = <0x30000 0x10000>;
 137                                 read-only;
 138                         };
 139
 140                         factory: partition@40000 {
 141                                 label = "factory";
 142                                 reg = <0x40000 0x10000>;
 143                                 read-only;
 144                         };
 145
 146                         partition@50000 {
 147                                 compatible = "denx,uimage";
 148                                 label = "firmware";
 149                                 reg = <0x50000 0xfb0000>;
 150                         };
 151                 };
 152         };
 153 };
 154
 155 &sdhci {
 156         status = "okay";
 157         /* the pins function is already set during pinmux driver load */
 158         /delete-property/ pinctrl-0;
 159 };
 160
 161 &ehci {
 162         status = "okay";
 163 };
 164
 165 &ohci {
 166         status = "okay";
 167 };
 168
 169 &ethernet {
 170         mtd-mac-address = <&factory 0x4>;
 171
 172         mediatek,portmap = "llllw";
 173 };
 174
 175 &wmac {
 176         ralink,mtd-eeprom = <&factory 0x0>;
 177 };
 178
 179 &state_default {
 180         default {
 181                 groups = "i2c", "uartf", "wled", "spi refclk", "pa";
 182                 function = "gpio";
 183         };
 184
 185         /*
 186          * The sd function of the nd_sd group configures two of the
 187          * groups pins as gpios. The pins are used as PCIe reset/power.
 188          * Due to the driver load order, the pins are configured way to
 189          * late if triggered by the sd-card driver.
 190          * To not introduce another kind of driver load order
 191          * dependency and configure the pins as early as possible,
 192          * means during pinmux driver load.
 193          */
 194         gpio_sd {
 195                 groups = "nd_sd";
 196                 function = "sd";
 197         };
 198 };
 199
 200 &pcie {
 201         status = "okay";
 202 };