arch/arm/boot/dts/gemini-dlink-dir-685.dts

   1 /*
   2  * Device Tree file for D-Link DIR-685 Xtreme N Storage Router
   3  */
   4
   5 /dts-v1/;
   6
   7 #include "gemini.dtsi"
   8 #include <dt-bindings/input/input.h>
   9
  10 / {
  11         model = "D-Link DIR-685 Xtreme N Storage Router";
  12         compatible = "dlink,dir-685", "cortina,gemini";
  13         #address-cells = <1>;
  14         #size-cells = <1>;
  15
  16         memory {
  17                 /* 128 MB SDRAM in 2 x Hynix HY5DU121622DTP-D43 */
  18                 device_type = "memory";
  19                 reg = <0x00000000 0x8000000>;
  20         };
  21
  22         chosen {
  23                 stdout-path = "uart0:115200n8";
  24         };
  25
  26         gpio_keys {
  27                 compatible = "gpio-keys";
  28                 #address-cells = <1>;
  29                 #size-cells = <0>;
  30                 button-esc {
  31                         debounce_interval = <50>;
  32                         wakeup-source;
  33                         linux,code = <KEY_ESC>;
  34                         label = "reset";
  35                         /* Collides with LPC_LAD[0], UART DCD, SSP 97RST */
  36                         gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
  37                 };
  38                 button-eject {
  39                         debounce_interval = <50>;
  40                         wakeup-source;
  41                         linux,code = <KEY_EJECTCD>;
  42                         label = "unmount";
  43                         /* Collides with LPC LFRAME, UART RTS, SSP TXD */
  44                         gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
  45                 };
  46         };
  47
  48         leds {
  49                 compatible = "gpio-leds";
  50                 led-wps {
  51                         label = "dir685:blue:WPS";
  52                         /* Collides with ICE */
  53                         gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
  54                         default-state = "on";
  55                         linux,default-trigger = "heartbeat";
  56                 };
  57                 /*
  58                  * These two LEDs are on the side of the device.
  59                  * For electrical reasons, both LEDs cannot be active
  60                  * at the same time so only blue or orange can on at
  61                  * one time. Enabling both makes the LED go dark.
  62                  * The LEDs both sit inside the unmount button and the
  63                  * label on the case says "unmount".
  64                  */
  65                 led-blue-hd {
  66                         label = "dir685:blue:HD";
  67                         /* Collides with LPC_SERIRQ, UART DTR, SSP FSC pins */
  68                         gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
  69                         default-state = "off";
  70                 };
  71                 led-orange-hd {
  72                         label = "dir685:orange:HD";
  73                         /* Collides with LPC_LAD[2], UART DSR, SSP ECLK pins */
  74                         gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
  75                         default-state = "off";
  76                 };
  77         };
  78
  79         /*
  80          * This is a Sunon Maglev GM0502PFV2-8 cooling fan @10000 RPM.
  81          * Since the platform has no temperature sensor, this is controlled
  82          * from userspace by using the hard disks S.M.A.R.T. temperature
  83          * sensor. It is turned on when the temperature exceeds 46 degrees
  84          * and turned off when the temperatures goes below 41 degrees
  85          * (celsius).
  86          */
  87         gpio-fan {
  88                 compatible = "gpio-fan";
  89                 /* Collides with IDE */
  90                 gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
  91                 gpio-fan,speed-map = <0 0>, <10000 1>;
  92                 #cooling-cells = <2>;
  93         };
  94
  95         /*
  96          * The touchpad input is connected to a GPIO bit-banged
  97          * I2C bus.
  98          */
  99         gpio-i2c {
 100                 compatible = "i2c-gpio";
 101                 /* Collides with ICE */
 102                 gpios = <&gpio0 5 0>, /* SDA */
 103                         <&gpio0 6 0>; /* SCL */
 104                 #address-cells = <1>;
 105                 #size-cells = <0>;
 106
 107                 touchkeys@26 {
 108                         compatible = "dlink,dir685-touchkeys";
 109                         reg = <0x26>;
 110                         interrupt-parent = <&gpio0>;
 111                         /* Collides with NAND flash */
 112                         interrupts = <17 IRQ_TYPE_EDGE_FALLING>;
 113                 };
 114         };
 115
 116         soc {
 117                 flash@30000000 {
 118                         status = "okay";
 119                         /* 32MB of flash */
 120                         reg = <0x30000000 0x02000000>;
 121
 122                         /*
 123                          * This "RedBoot" is the Storlink derivative.
 124                          */
 125                         partition@0 {
 126                                 label = "RedBoot";
 127                                 reg = <0x00000000 0x00040000>;
 128                                 read-only;
 129                         };
 130                         /*
 131                          * This firmware image contains the kernel catenated
 132                          * with the squashfs root filesystem. For some reason
 133                          * this is called "upgrade" on the vendor system.
 134                          */
 135                         partition@40000 {
 136                                 label = "upgrade";
 137                                 reg = <0x00040000 0x01f40000>;
 138                                 read-only;
 139                         };
 140                         /* RGDB, Residental Gateway Database? */
 141                         partition@1f80000 {
 142                                 label = "rgdb";
 143                                 reg = <0x01f80000 0x00040000>;
 144                                 read-only;
 145                         };
 146                         /*
 147                          * This partition contains MAC addresses for WAN,
 148                          * WLAN and LAN, and the country code (for wireless
 149                          * I guess).
 150                          */
 151                         partition@1fc0000 {
 152                                 label = "nvram";
 153                                 reg = <0x01fc0000 0x00020000>;
 154                                 read-only;
 155                         };
 156                         partition@1fe0000 {
 157                                 label = "LangPack";
 158                                 reg = <0x01fe0000 0x00020000>;
 159                                 read-only;
 160                         };
 161                 };
 162
 163                 syscon: syscon@40000000 {
 164                         pinctrl {
 165                                 /*
 166                                  * gpio0bgrp cover line 5, 6 used by TK I2C
 167                                  * gpio0bgrp cover line 7 used by WPS LED
 168                                  * gpio0cgrp cover line 8, 13 used by keys
 169                                  *           and 11, 12 used by the HD LEDs
 170                                  * gpio0egrp cover line 16 used by VDISP
 171                                  * gpio0fgrp cover line 17 used by TK IRQ
 172                                  * gpio0ggrp cover line 20 used by panel CS
 173                                  * gpio0hgrp cover line 21,22 used by RTL8366RB
 174                                  */
 175                                 gpio0_default_pins: pinctrl-gpio0 {
 176                                         mux {
 177                                                 function = "gpio0";
 178                                                 groups = "gpio0bgrp",
 179                                                 "gpio0cgrp",
 180                                                 "gpio0egrp",
 181                                                 "gpio0fgrp",
 182                                                 "gpio0ggrp",
 183                                                 "gpio0hgrp";
 184                                         };
 185                                 };
 186                                 /*
 187                                  * gpio1bgrp cover line 5,8,7 used by panel SPI
 188                                  * also line 6 used by the fan
 189                                  *
 190                                  */
 191                                 gpio1_default_pins: pinctrl-gpio1 {
 192                                         mux {
 193                                                 function = "gpio1";
 194                                                 groups = "gpio1bgrp";
 195                                         };
 196                                 };
 197                         };
 198                 };
 199
 200                 sata: sata@46000000 {
 201                         cortina,gemini-ata-muxmode = <0>;
 202                         cortina,gemini-enable-sata-bridge;
 203                         status = "okay";
 204                 };
 205
 206                 gpio0: gpio@4d000000 {
 207                         pinctrl-names = "default";
 208                         pinctrl-0 = <&gpio0_default_pins>;
 209                 };
 210
 211                 gpio1: gpio@4e000000 {
 212                         pinctrl-names = "default";
 213                         pinctrl-0 = <&gpio1_default_pins>;
 214                 };
 215
 216                 pci@50000000 {
 217                         status = "okay";
 218                         interrupt-map-mask = <0xf800 0 0 7>;
 219                         interrupt-map =
 220                                 <0x4800 0 0 1 &pci_intc 0>, /* Slot 9 */
 221                                 <0x4800 0 0 2 &pci_intc 1>,
 222                                 <0x4800 0 0 3 &pci_intc 2>,
 223                                 <0x4800 0 0 4 &pci_intc 3>,
 224                                 <0x5000 0 0 1 &pci_intc 1>, /* Slot 10 */
 225                                 <0x5000 0 0 2 &pci_intc 2>,
 226                                 <0x5000 0 0 3 &pci_intc 3>,
 227                                 <0x5000 0 0 4 &pci_intc 0>,
 228                                 <0x5800 0 0 1 &pci_intc 2>, /* Slot 11 */
 229                                 <0x5800 0 0 2 &pci_intc 3>,
 230                                 <0x5800 0 0 3 &pci_intc 0>,
 231                                 <0x5800 0 0 4 &pci_intc 1>,
 232                                 <0x6000 0 0 1 &pci_intc 3>, /* Slot 12 */
 233                                 <0x6000 0 0 2 &pci_intc 0>,
 234                                 <0x6000 0 0 3 &pci_intc 1>,
 235                                 <0x6000 0 0 4 &pci_intc 2>;
 236                 };
 237
 238                 ata@63000000 {
 239                         status = "okay";
 240                 };
 241         };
 242 };