target/linux/ramips/dts/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 /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 = "sanlinking,d240", "ralink,mt7620a-soc";
  43         model = "Sanlinking Technologies D240";
  44
  45         aliases {
  46                 led-boot = &led_power;
  47                 led-failsafe = &led_power;
  48                 led-running = &led_power;
  49                 led-upgrade = &led_power;
  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_mpcie2 {
  61                         gpio-export,name = "power_mpcie2";
  62                         gpio-export,output = <1>;
  63                         gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
  64                 };
  65
  66                 power_mpcie1 {
  67                         gpio-export,name = "power_mpcie1";
  68                         gpio-export,output = <1>;
  69                         gpios = <&gpio2 6 GPIO_ACTIVE_HIGH>;
  70                 };
  71         };
  72
  73         gpio-leds {
  74                 compatible = "gpio-leds";
  75
  76                 led_power: power {
  77                         label = "d240:blue:power";
  78                         gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>;
  79                 };
  80
  81                 usb {
  82                         label = "d240:blue:usb";
  83                         gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
  84                         trigger-sources = <&ohci_port1>, <&ehci_port1>;
  85                         linux,default-trigger = "usbport";
  86                 };
  87
  88                 air {
  89                         label = "d240:blue:wifi";
  90                         gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
  91                 };
  92         };
  93
  94         gpio-keys-polled {
  95                 compatible = "gpio-keys-polled";
  96                 poll-interval = <20>;
  97
  98                 reset {
  99                         label = "reset";
 100                         gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
 101                         linux,code = <KEY_RESTART>;
 102                 };
 103         };
 104 };
 105
 106 &gpio1 {
 107         status = "okay";
 108 };
 109
 110 &gpio2 {
 111         status = "okay";
 112 };
 113
 114 &gpio3 {
 115         status = "okay";
 116 };
 117
 118 &spi0 {
 119         status = "okay";
 120
 121         en25q128@0 {
 122                 compatible = "jedec,spi-nor";
 123                 reg = <0>;
 124                 spi-max-frequency = <10000000>;
 125
 126                 partitions {
 127                         compatible = "fixed-partitions";
 128                         #address-cells = <1>;
 129                         #size-cells = <1>;
 130
 131                         partition@0 {
 132                                 label = "u-boot";
 133                                 reg = <0x0 0x30000>;
 134                                 read-only;
 135                         };
 136
 137                         partition@30000 {
 138                                 label = "u-boot-env";
 139                                 reg = <0x30000 0x10000>;
 140                                 read-only;
 141                         };
 142
 143                         factory: partition@40000 {
 144                                 label = "factory";
 145                                 reg = <0x40000 0x10000>;
 146                                 read-only;
 147                         };
 148
 149                         partition@50000 {
 150                                 label = "firmware";
 151                                 reg = <0x50000 0xfb0000>;
 152                         };
 153                 };
 154         };
 155 };
 156
 157 &sdhci {
 158         status = "okay";
 159         /* the pins function is already set during pinmux driver load */
 160         /delete-property/ pinctrl-0;
 161 };
 162
 163 &ehci {
 164         status = "okay";
 165 };
 166
 167 &ohci {
 168         status = "okay";
 169 };
 170
 171 &ethernet {
 172         mtd-mac-address = <&factory 0x4>;
 173         mediatek,portmap = "wllll";
 174 };
 175
 176 &wmac {
 177         ralink,mtd-eeprom = <&factory 0>;
 178 };
 179
 180 &pinctrl {
 181         state_default: pinctrl0 {
 182                 default {
 183                         ralink,group = "i2c", "uartf", "wled", "spi refclk", "pa";
 184                         ralink,function = "gpio";
 185                 };
 186
 187                 /*
 188                  * The sd function of the nd_sd group configures two of the
 189                  * groups pins as gpios. The pins are used as PCIe reset/power.
 190                  * Due to the driver load order, the pins are configured way to
 191                  * late if triggered by the sd-card driver.
 192                  * To not introduce another kind of driver load order
 193                  * dependency and configure the pins as early as possible,
 194                  * means during pinmux driver load.
 195                  */
 196                 gpio_sd {
 197                         ralink,group = "nd_sd";
 198                         ralink,function = "sd";
 199                 };
 200         };
 201 };
 202
 203 &pcie {
 204         status = "okay";
 205 };